From ec2e0b664af1609747fb8a2e49907abdf6b8a307 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 6 Feb 2018 22:31:48 -0800
Subject: [PATCH 001/140] Properly allow undefined ignore patterns for
 test/include/exclude.

---
 packages/babel-core/src/config/validation/option-assertions.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/babel-core/src/config/validation/option-assertions.js b/packages/babel-core/src/config/validation/option-assertions.js
index c6330e717630..97b860f016b3 100644
--- a/packages/babel-core/src/config/validation/option-assertions.js
+++ b/packages/babel-core/src/config/validation/option-assertions.js
@@ -140,6 +140,8 @@ export function assertConfigApplicableTest(
   key: string,
   value: mixed,
 ): ConfigApplicableTest | void {
+  if (value === undefined) return value;
+
   if (Array.isArray(value)) {
     value.forEach((item, i) => {
       if (!checkValidTest(item)) {

From 85174b6ce132e8e323381f6fd4acb9330604088d Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 6 Feb 2018 22:35:02 -0800
Subject: [PATCH 002/140] Remove unneeded param from buildRootConfig.

---
 packages/babel-core/src/config/config-chain.js | 1 -
 packages/babel-core/src/config/index.js        | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/babel-core/src/config/config-chain.js b/packages/babel-core/src/config/config-chain.js
index 60e062d3f8f8..3316ce1c3bc6 100644
--- a/packages/babel-core/src/config/config-chain.js
+++ b/packages/babel-core/src/config/config-chain.js
@@ -108,7 +108,6 @@ const loadPresetOverridesEnvDescriptors = makeWeakCache(
  * Build a config chain for Babel's full root configuration.
  */
 export function buildRootChain(
-  cwd: string,
   opts: ValidatedOptions,
   context: ConfigContext,
 ): ConfigChain | null {
diff --git a/packages/babel-core/src/config/index.js b/packages/babel-core/src/config/index.js
index 6a770e5aca31..ef5d5c4a667d 100644
--- a/packages/babel-core/src/config/index.js
+++ b/packages/babel-core/src/config/index.js
@@ -62,7 +62,7 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
     envName,
   };
 
-  const configChain = buildRootChain(absoluteCwd, args, context);
+  const configChain = buildRootChain(args, context);
   if (!configChain) return null;
 
   const optionDefaults = {};

From d88173b9f82dd46a5659181525948cd0c43ffa76 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 6 Feb 2018 23:12:19 -0800
Subject: [PATCH 003/140] Ensure that tests don't leave mutated global state in
 the environment.

---
 packages/babel-node/test/index.js                      | 10 ++++++++++
 packages/babel-preset-env/test/debug-fixtures.js       | 10 ++++++++++
 .../preset-options/browserslist-config/options.json    |  2 +-
 .../preset-options/browserslist-package/options.json   |  2 +-
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/packages/babel-node/test/index.js b/packages/babel-node/test/index.js
index 6e48f0f2abb2..4643475255e8 100644
--- a/packages/babel-node/test/index.js
+++ b/packages/babel-node/test/index.js
@@ -177,6 +177,16 @@ fs.readdirSync(fixtureLoc).forEach(function(binName) {
 
   const suiteLoc = path.join(fixtureLoc, binName);
   describe("bin/" + binName, function() {
+    let cwd;
+
+    beforeEach(() => {
+      cwd = process.cwd();
+    });
+
+    afterEach(() => {
+      process.chdir(cwd);
+    });
+
     fs.readdirSync(suiteLoc).forEach(function(testName) {
       if (testName[0] === ".") return;
 
diff --git a/packages/babel-preset-env/test/debug-fixtures.js b/packages/babel-preset-env/test/debug-fixtures.js
index 288407f8b346..4b4fcb256978 100644
--- a/packages/babel-preset-env/test/debug-fixtures.js
+++ b/packages/babel-preset-env/test/debug-fixtures.js
@@ -76,6 +76,16 @@ const buildTest = opts => {
 };
 
 describe("debug output", () => {
+  let cwd;
+
+  beforeEach(() => {
+    cwd = process.cwd();
+  });
+
+  afterEach(() => {
+    process.chdir(cwd);
+  });
+
   fs.readdirSync(fixtureLoc).forEach(testName => {
     if (testName.slice(0, 1) === ".") return;
     const testLoc = path.join(fixtureLoc, testName);
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/options.json b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/options.json
index f048ce5e36d8..1545c51ee962 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/options.json
+++ b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/options.json
@@ -1,7 +1,7 @@
 {
   "presets": [
     ["../../../../lib", {
-      "configPath": "../fixtures/preset-options/browserslist-config",
+      "configPath": "packages/babel-preset-env/test/fixtures/preset-options/browserslist-config",
       "modules": false
     }]
   ]
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/options.json b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/options.json
index 04183bdbd1b5..c10fd049d797 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/options.json
+++ b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/options.json
@@ -1,7 +1,7 @@
 {
   "presets": [
     ["../../../../lib", {
-      "configPath": "../fixtures/preset-options/browserslist-package",
+      "configPath": "packages/babel-preset-env/test/fixtures/preset-options/browserslist-package",
       "targets": {
         "chrome": 55
       },

From 9a8ba76e1f8e3c74b93c785559f87e06bf07b400 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 6 Feb 2018 22:27:03 -0800
Subject: [PATCH 004/140] Merge .babelrc and .babelignore searching into a
 single pass.

---
 .../babel-core/src/config/config-chain.js     | 26 ++----
 .../src/config/files/configuration.js         | 83 +++++++++----------
 .../src/config/files/index-browser.js         | 16 ++--
 3 files changed, 55 insertions(+), 70 deletions(-)

diff --git a/packages/babel-core/src/config/config-chain.js b/packages/babel-core/src/config/config-chain.js
index 3316ce1c3bc6..81adcdff79af 100644
--- a/packages/babel-core/src/config/config-chain.js
+++ b/packages/babel-core/src/config/config-chain.js
@@ -12,12 +12,7 @@ import {
 
 const debug = buildDebug("babel:config:config-chain");
 
-import {
-  findBabelrc,
-  findBabelignore,
-  loadConfig,
-  type ConfigFile,
-} from "./files";
+import { findRelativeConfig, loadConfig, type ConfigFile } from "./files";
 
 import { makeWeakCache, makeStrongCache } from "./caching";
 
@@ -124,22 +119,15 @@ export function buildRootChain(
   // resolve all .babelrc files
   if (opts.babelrc !== false && context.filename !== null) {
     const filename = context.filename;
-    const babelignoreFile = findBabelignore(filename);
-    if (
-      babelignoreFile &&
-      shouldIgnore(
-        context,
-        babelignoreFile.ignore,
-        null,
-        babelignoreFile.dirname,
-      )
-    ) {
+
+    const { ignore, config } = findRelativeConfig(filename, context.envName);
+
+    if (ignore && shouldIgnore(context, ignore.ignore, null, ignore.dirname)) {
       return null;
     }
 
-    const babelrcFile = findBabelrc(filename, context.envName);
-    if (babelrcFile) {
-      const result = loadFileChain(babelrcFile, context);
+    if (config) {
+      const result = loadFileChain(config, context);
       if (!result) return null;
 
       mergeChain(fileChain, result);
diff --git a/packages/babel-core/src/config/files/configuration.js b/packages/babel-core/src/config/files/configuration.js
index 5617f3e4738b..73786b89fb79 100644
--- a/packages/babel-core/src/config/files/configuration.js
+++ b/packages/babel-core/src/config/files/configuration.js
@@ -21,61 +21,58 @@ export type IgnoreFile = {
   ignore: Array<string>,
 };
 
+export type RelativeConfig = {
+  config: ConfigFile | null,
+  ignore: IgnoreFile | null,
+};
+
 const BABELRC_FILENAME = ".babelrc";
 const BABELRC_JS_FILENAME = ".babelrc.js";
 const PACKAGE_FILENAME = "package.json";
 const BABELIGNORE_FILENAME = ".babelignore";
 
-export function findBabelrc(
+export function findRelativeConfig(
   filepath: string,
   envName: string,
-): ConfigFile | null {
+): RelativeConfig {
+  let config = null;
+  let ignore = null;
+
   const dirname = path.dirname(filepath);
   let loc = dirname;
   while (true) {
-    const conf = [
-      BABELRC_FILENAME,
-      BABELRC_JS_FILENAME,
-      PACKAGE_FILENAME,
-    ].reduce((previousConfig: ConfigFile | null, name) => {
-      const filepath = path.join(loc, name);
-      const config = readConfig(filepath, envName);
-
-      if (config && previousConfig) {
-        throw new Error(
-          `Multiple configuration files found. Please remove one:\n` +
-            ` - ${path.basename(previousConfig.filepath)}\n` +
-            ` - ${name}\n` +
-            `from ${loc}`,
-        );
-      }
-
-      return config || previousConfig;
-    }, null);
+    if (!config) {
+      config = [BABELRC_FILENAME, BABELRC_JS_FILENAME, PACKAGE_FILENAME].reduce(
+        (previousConfig: ConfigFile | null, name) => {
+          const filepath = path.join(loc, name);
+          const config = readConfig(filepath, envName);
+
+          if (config && previousConfig) {
+            throw new Error(
+              `Multiple configuration files found. Please remove one:\n` +
+                ` - ${path.basename(previousConfig.filepath)}\n` +
+                ` - ${name}\n` +
+                `from ${loc}`,
+            );
+          }
+
+          return config || previousConfig;
+        },
+        null,
+      );
 
-    if (conf) {
-      debug("Found configuration %o from %o.", conf.filepath, dirname);
-      return conf;
+      if (config) {
+        debug("Found configuration %o from %o.", config.filepath, dirname);
+      }
     }
 
-    const nextLoc = path.dirname(loc);
-    if (loc === nextLoc) break;
-    loc = nextLoc;
-  }
-
-  return null;
-}
-
-export function findBabelignore(filepath: string): IgnoreFile | null {
-  const dirname = path.dirname(filepath);
-  let loc = dirname;
-  while (true) {
-    const ignoreLoc = path.join(loc, BABELIGNORE_FILENAME);
-    const ignore = readIgnoreConfig(ignoreLoc);
+    if (!ignore) {
+      const ignoreLoc = path.join(loc, BABELIGNORE_FILENAME);
+      ignore = readIgnoreConfig(ignoreLoc);
 
-    if (ignore) {
-      debug("Found ignore %o from %o.", ignore.filepath, dirname);
-      return ignore;
+      if (ignore) {
+        debug("Found ignore %o from %o.", ignore.filepath, dirname);
+      }
     }
 
     const nextLoc = path.dirname(loc);
@@ -83,7 +80,7 @@ export function findBabelignore(filepath: string): IgnoreFile | null {
     loc = nextLoc;
   }
 
-  return null;
+  return { config, ignore };
 }
 
 export function loadConfig(
@@ -106,7 +103,7 @@ export function loadConfig(
  * Read the given config file, returning the result. Returns null if no config was found, but will
  * throw if there are parsing errors while loading a config.
  */
-function readConfig(filepath, envName) {
+function readConfig(filepath, envName): ConfigFile | null {
   return path.extname(filepath) === ".js"
     ? readConfigJS(filepath, { envName })
     : readConfigFile(filepath);
diff --git a/packages/babel-core/src/config/files/index-browser.js b/packages/babel-core/src/config/files/index-browser.js
index bcd6b439a029..07b807956869 100644
--- a/packages/babel-core/src/config/files/index-browser.js
+++ b/packages/babel-core/src/config/files/index-browser.js
@@ -12,16 +12,16 @@ export type IgnoreFile = {
   ignore: Array<string>,
 };
 
-export function findBabelrc(
+export type RelativeConfig = {
+  config: ConfigFile | null,
+  ignore: IgnoreFile | null,
+};
+
+export function findRelativeConfig(
   filepath: string,
   envName: string, // eslint-disable-line no-unused-vars
-): ConfigFile | null {
-  return null;
-}
-
-// eslint-disable-next-line no-unused-vars
-export function findBabelignore(filepath: string): IgnoreFile | null {
-  return null;
+): RelativeConfig {
+  return { config: null, ignore: null };
 }
 
 export function loadConfig(name: string, dirname: string): ConfigFile {

From 28d13cb09b454c842a0fef10d8248dd29ef6fc23 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 6 Feb 2018 23:37:42 -0800
Subject: [PATCH 005/140] Fix small bug in the new .parse function.

---
 packages/babel-core/src/parse.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-core/src/parse.js b/packages/babel-core/src/parse.js
index 1a7e2231a306..94e7284520eb 100644
--- a/packages/babel-core/src/parse.js
+++ b/packages/babel-core/src/parse.js
@@ -1,6 +1,6 @@
 // @flow
 
-import loadConfig, { InputOptions } from "./config";
+import loadConfig, { type InputOptions } from "./config";
 import normalizeFile from "./transformation/normalize-file";
 import normalizeOptions from "./transformation/normalize-opts";
 

From 213805f21ec5e7a181485d809369e23689bd32c4 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 8 Feb 2018 09:19:16 -0800
Subject: [PATCH 006/140] Avoid duplicating types in index-browser.

---
 .../src/config/files/index-browser.js           | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/packages/babel-core/src/config/files/index-browser.js b/packages/babel-core/src/config/files/index-browser.js
index 07b807956869..4e5cb5fe6218 100644
--- a/packages/babel-core/src/config/files/index-browser.js
+++ b/packages/babel-core/src/config/files/index-browser.js
@@ -1,21 +1,8 @@
 // @flow
 
-export type ConfigFile = {
-  filepath: string,
-  dirname: string,
-  options: {},
-};
-
-export type IgnoreFile = {
-  filepath: string,
-  dirname: string,
-  ignore: Array<string>,
-};
+import type { ConfigFile, IgnoreFile, RelativeConfig } from "./configuration";
 
-export type RelativeConfig = {
-  config: ConfigFile | null,
-  ignore: IgnoreFile | null,
-};
+export type { ConfigFile, IgnoreFile, RelativeConfig };
 
 export function findRelativeConfig(
   filepath: string,

From 92580e750dae899e6b12c5057b98322f88c2eeee Mon Sep 17 00:00:00 2001
From: Naveen jain <nveenjain@gmail.com>
Date: Fri, 9 Feb 2018 01:01:47 +0530
Subject: [PATCH 007/140] Fixes issues regarding super in optionalChain (#7356)

---
 .../optional-super-property-class/input.js    |   5 +
 .../options.json                              |   4 +
 .../optional-super-property/input.js          |   5 +
 .../optional-super-property/options.json      |   4 +
 .../super-method-class/input.js               |   5 +
 .../super-method-class/options.json           |   3 +
 .../super-method-class/output.json            | 221 ++++++++++++++++++
 7 files changed, 247 insertions(+)
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/output.json

diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/input.js b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/input.js
new file mode 100644
index 000000000000..7af8cadabc11
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/input.js
@@ -0,0 +1,5 @@
+class A{
+    b(){
+        return super?.b;
+    }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/options.json b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/options.json
new file mode 100644
index 000000000000..0bbb2f11bae6
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property-class/options.json
@@ -0,0 +1,4 @@
+{
+    "plugins":["optionalChaining"],
+    "throws": "Unexpected token (3:20)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/input.js b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/input.js
new file mode 100644
index 000000000000..dafc54712f08
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/input.js
@@ -0,0 +1,5 @@
+const a = {
+    b(){
+        return super?.c;
+    }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/options.json b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/options.json
new file mode 100644
index 000000000000..0bbb2f11bae6
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/optional-super-property/options.json
@@ -0,0 +1,4 @@
+{
+    "plugins":["optionalChaining"],
+    "throws": "Unexpected token (3:20)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/input.js b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/input.js
new file mode 100644
index 000000000000..31dcb716ca78
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/input.js
@@ -0,0 +1,5 @@
+class A{
+    constructor(){
+        super()?.b;
+    }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/options.json b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/options.json
new file mode 100644
index 000000000000..165583885813
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/options.json
@@ -0,0 +1,3 @@
+{
+    "plugins":["optionalChaining"]
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/output.json b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/output.json
new file mode 100644
index 000000000000..b6c5a510c4ad
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/optional-chaining/super-method-class/output.json
@@ -0,0 +1,221 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 55,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 5,
+      "column": 1
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 55,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 5,
+        "column": 1
+      }
+    },
+    "sourceType": "script",
+    "body": [
+      {
+        "type": "ClassDeclaration",
+        "start": 0,
+        "end": 55,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 5,
+            "column": 1
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 6,
+          "end": 7,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 6
+            },
+            "end": {
+              "line": 1,
+              "column": 7
+            },
+            "identifierName": "A"
+          },
+          "name": "A"
+        },
+        "superClass": null,
+        "body": {
+          "type": "ClassBody",
+          "start": 7,
+          "end": 55,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 7
+            },
+            "end": {
+              "line": 5,
+              "column": 1
+            }
+          },
+          "body": [
+            {
+              "type": "ClassMethod",
+              "start": 13,
+              "end": 53,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 4
+                },
+                "end": {
+                  "line": 4,
+                  "column": 5
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 13,
+                "end": 24,
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 4
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 15
+                  },
+                  "identifierName": "constructor"
+                },
+                "name": "constructor"
+              },
+              "computed": false,
+              "kind": "constructor",
+              "id": null,
+              "generator": false,
+              "async": false,
+              "params": [],
+              "body": {
+                "type": "BlockStatement",
+                "start": 26,
+                "end": 53,
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 17
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 5
+                  }
+                },
+                "body": [
+                  {
+                    "type": "ExpressionStatement",
+                    "start": 36,
+                    "end": 47,
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 8
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 19
+                      }
+                    },
+                    "expression": {
+                      "type": "OptionalMemberExpression",
+                      "start": 36,
+                      "end": 46,
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 8
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 18
+                        }
+                      },
+                      "object": {
+                        "type": "CallExpression",
+                        "start": 36,
+                        "end": 43,
+                        "loc": {
+                          "start": {
+                            "line": 3,
+                            "column": 8
+                          },
+                          "end": {
+                            "line": 3,
+                            "column": 15
+                          }
+                        },
+                        "callee": {
+                          "type": "Super",
+                          "start": 36,
+                          "end": 41,
+                          "loc": {
+                            "start": {
+                              "line": 3,
+                              "column": 8
+                            },
+                            "end": {
+                              "line": 3,
+                              "column": 13
+                            }
+                          }
+                        },
+                        "arguments": []
+                      },
+                      "property": {
+                        "type": "Identifier",
+                        "start": 45,
+                        "end": 46,
+                        "loc": {
+                          "start": {
+                            "line": 3,
+                            "column": 17
+                          },
+                          "end": {
+                            "line": 3,
+                            "column": 18
+                          },
+                          "identifierName": "b"
+                        },
+                        "name": "b"
+                      },
+                      "computed": false,
+                      "optional": true
+                    }
+                  }
+                ],
+                "directives": []
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file

From c03a34e50946c36f5fe2bd6356786a1e7252213c Mon Sep 17 00:00:00 2001
From: Justin Ridgewell <justin@ridgewell.name>
Date: Thu, 8 Feb 2018 14:34:41 -0500
Subject: [PATCH 008/140] Typo in nullish-coalescing-operator README.md

---
 .../babel-plugin-proposal-nullish-coalescing-operator/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/README.md b/packages/babel-plugin-proposal-nullish-coalescing-operator/README.md
index d433354f269b..2b01b5f2a864 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/README.md
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/README.md
@@ -60,7 +60,7 @@ require("@babel/core").transform("code", {
 `boolean`, defaults to `false`.
 
 When `true`, this transform will pretend `document.all` does not exist,
-and perform loose equality checks with `null` instead of string equality checks
+and perform loose equality checks with `null` instead of strict equality checks
 against both `null` and `undefined`.
 
 #### Example

From a01007a3d32ae39c892f498bcd425272637bc3e2 Mon Sep 17 00:00:00 2001
From: Steven Hargrove <hulkish@users.noreply.github.com>
Date: Thu, 8 Feb 2018 16:52:12 -0500
Subject: [PATCH 009/140] Allow falsey, yet valid options for
 codeFrameColumns() (#7341)

Allow for overriding default linesAbove/linesBelow values.
---
 packages/babel-code-frame/src/index.js  |  4 +-
 packages/babel-code-frame/test/index.js | 51 +++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/packages/babel-code-frame/src/index.js b/packages/babel-code-frame/src/index.js
index c8da91a5ae8c..17924b5692d4 100644
--- a/packages/babel-code-frame/src/index.js
+++ b/packages/babel-code-frame/src/index.js
@@ -127,9 +127,7 @@ function getMarkerLines(
     loc.start,
   );
   const endLoc: Location = Object.assign({}, startLoc, loc.end);
-  const linesAbove = opts.linesAbove || 2;
-  const linesBelow = opts.linesBelow || 3;
-
+  const { linesAbove = 2, linesBelow = 3 } = opts || {};
   const startLine = startLoc.line;
   const startColumn = startLoc.column;
   const endLine = endLoc.line;
diff --git a/packages/babel-code-frame/test/index.js b/packages/babel-code-frame/test/index.js
index 7f097ce77396..d157ff45d0ad 100644
--- a/packages/babel-code-frame/test/index.js
+++ b/packages/babel-code-frame/test/index.js
@@ -184,6 +184,57 @@ describe("@babel/code-frame", function() {
     );
   });
 
+  it("opts.linesAbove no lines above", function() {
+    const rawLines = [
+      "class Foo {",
+      "  constructor() {",
+      "    console.log(arguments);",
+      "  }",
+      "};",
+    ].join("\n");
+    assert.equal(
+      codeFrameColumns(rawLines, { start: { line: 2 } }, { linesAbove: 0 }),
+      [
+        "> 2 |   constructor() {",
+        "  3 |     console.log(arguments);",
+        "  4 |   }",
+        "  5 | };",
+      ].join("\n"),
+    );
+  });
+
+  it("opts.linesBelow no lines below", function() {
+    const rawLines = [
+      "class Foo {",
+      "  constructor() {",
+      "    console.log(arguments);",
+      "  }",
+      "};",
+    ].join("\n");
+    assert.equal(
+      codeFrameColumns(rawLines, { start: { line: 2 } }, { linesBelow: 0 }),
+      ["  1 | class Foo {", "> 2 |   constructor() {"].join("\n"),
+    );
+  });
+
+  it("opts.linesBelow single line", function() {
+    const rawLines = [
+      "class Foo {",
+      "  constructor() {",
+      "    console.log(arguments);",
+      "  }",
+      "};",
+    ].join("\n");
+    assert.equal(
+      codeFrameColumns(
+        rawLines,
+        { start: { line: 2 } },
+        { linesAbove: 0, linesBelow: 0 },
+      ),
+      ["> 2 |   constructor() {"].join("\n"),
+    );
+  });
+
   it("opts.forceColor", function() {
     const marker = chalk.red.bold;
     const gutter = chalk.grey;

From 534ee4734cf278d0aa64b7f71a6452ed6ccf6bba Mon Sep 17 00:00:00 2001
From: Suchipi Izumi <me@suchipi.com>
Date: Wed, 7 Feb 2018 21:20:35 -0700
Subject: [PATCH 010/140] Extract @babel/highlight package from
 @babel/code-frame

This creates a new package called @babel/highlight which syntax highlights
JavaScript code for terminal output. This functionality was already
present in @babel/code-frame, but exposing it as a separate package lets
other projects leverage it. @babel/code-frame has been refactored
slightly so that it uses @babel/highlight to do its syntax highlighting.
---
 packages/babel-code-frame/package.json |   5 +-
 packages/babel-code-frame/src/index.js |  98 ++-----------------
 packages/babel-highlight/.npmignore    |   3 +
 packages/babel-highlight/README.md     |  41 ++++++++
 packages/babel-highlight/package.json  |  18 ++++
 packages/babel-highlight/src/index.js  | 127 +++++++++++++++++++++++++
 packages/babel-highlight/test/index.js | 118 +++++++++++++++++++++++
 7 files changed, 315 insertions(+), 95 deletions(-)
 create mode 100644 packages/babel-highlight/.npmignore
 create mode 100644 packages/babel-highlight/README.md
 create mode 100644 packages/babel-highlight/package.json
 create mode 100644 packages/babel-highlight/src/index.js
 create mode 100644 packages/babel-highlight/test/index.js

diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index 3f376522abb5..6b217b4f942f 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -8,11 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-code-frame",
   "main": "lib/index.js",
   "dependencies": {
-    "chalk": "^2.0.0",
-    "esutils": "^2.0.2",
-    "js-tokens": "^3.0.0"
+    "@babel/highlight": "7.0.0-beta.39"
   },
   "devDependencies": {
+    "chalk": "^2.0.0",
     "strip-ansi": "^4.0.0"
   }
 }
diff --git a/packages/babel-code-frame/src/index.js b/packages/babel-code-frame/src/index.js
index 17924b5692d4..f47ac52f2a88 100644
--- a/packages/babel-code-frame/src/index.js
+++ b/packages/babel-code-frame/src/index.js
@@ -1,6 +1,4 @@
-import jsTokens, { matchToToken } from "js-tokens";
-import esutils from "esutils";
-import Chalk from "chalk";
+import highlight, { shouldHighlight, getChalk } from "@babel/highlight";
 
 let deprecationWarningShown = false;
 
@@ -15,21 +13,10 @@ type NodeLocation = {
 };
 
 /**
- * Chalk styles for token types.
+ * Chalk styles for code frame token types.
  */
-
 function getDefs(chalk) {
   return {
-    keyword: chalk.cyan,
-    capitalized: chalk.yellow,
-    jsx_tag: chalk.yellow,
-    punctuator: chalk.yellow,
-    // bracket:  intentionally omitted.
-    number: chalk.magenta,
-    string: chalk.green,
-    regex: chalk.magenta,
-    comment: chalk.grey,
-    invalid: chalk.white.bgRed.bold,
     gutter: chalk.grey,
     marker: chalk.red.bold,
     message: chalk.red.bold,
@@ -42,76 +29,6 @@ function getDefs(chalk) {
 
 const NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
 
-/**
- * RegExp to test for what seems to be a JSX tag name.
- */
-
-const JSX_TAG = /^[a-z][\w-]*$/i;
-
-/**
- * RegExp to test for the three types of brackets.
- */
-
-const BRACKET = /^[()[\]{}]$/;
-
-/**
- * Get the type of token, specifying punctuator type.
- */
-
-function getTokenType(match) {
-  const [offset, text] = match.slice(-2);
-  const token = matchToToken(match);
-
-  if (token.type === "name") {
-    if (esutils.keyword.isReservedWordES6(token.value)) {
-      return "keyword";
-    }
-
-    if (
-      JSX_TAG.test(token.value) &&
-      (text[offset - 1] === "<" || text.substr(offset - 2, 2) == "</")
-    ) {
-      return "jsx_tag";
-    }
-
-    if (token.value[0] !== token.value[0].toLowerCase()) {
-      return "capitalized";
-    }
-  }
-
-  if (token.type === "punctuator" && BRACKET.test(token.value)) {
-    return "bracket";
-  }
-
-  if (
-    token.type === "invalid" &&
-    (token.value === "@" || token.value === "#")
-  ) {
-    return "punctuator";
-  }
-
-  return token.type;
-}
-
-/**
- * Highlight `text`.
- */
-
-function highlight(defs: Object, text: string) {
-  return text.replace(jsTokens, function(...args) {
-    const type = getTokenType(args);
-    const colorize = defs[type];
-    if (colorize) {
-      return args[0]
-        .split(NEWLINE)
-        .map(str => colorize(str))
-        .join("\n");
-    } else {
-      return args[0];
-    }
-  });
-}
-
 /**
  * Extract what lines should be marked and highlighted.
  */
@@ -186,16 +103,13 @@ export function codeFrameColumns(
   opts: Object = {},
 ): string {
   const highlighted =
-    (opts.highlightCode && Chalk.supportsColor) || opts.forceColor;
-  let chalk = Chalk;
-  if (opts.forceColor) {
-    chalk = new Chalk.constructor({ enabled: true, level: 1 });
-  }
+    (opts.highlightCode || opts.forceColor) && shouldHighlight(opts);
+  const chalk = getChalk(opts);
+  const defs = getDefs(chalk);
   const maybeHighlight = (chalkFn, string) => {
     return highlighted ? chalkFn(string) : string;
   };
-  const defs = getDefs(chalk);
-  if (highlighted) rawLines = highlight(defs, rawLines);
+  if (highlighted) rawLines = highlight(rawLines, opts);
 
   const lines = rawLines.split(NEWLINE);
   const { start, end, markerLines } = getMarkerLines(loc, lines, opts);
diff --git a/packages/babel-highlight/.npmignore b/packages/babel-highlight/.npmignore
new file mode 100644
index 000000000000..f9806945836e
--- /dev/null
+++ b/packages/babel-highlight/.npmignore
@@ -0,0 +1,3 @@
+src
+test
+*.log
diff --git a/packages/babel-highlight/README.md b/packages/babel-highlight/README.md
new file mode 100644
index 000000000000..36143844eb01
--- /dev/null
+++ b/packages/babel-highlight/README.md
@@ -0,0 +1,41 @@
+# @babel/highlight
+
+> Syntax highlight JavaScript strings for output in terminals.
+
+## Install
+
+```sh
+npm install --save @babel/highlight
+```
+
+## Usage
+
+```js
+import highlight from "@babel/highlight";
+
+const code = `class Foo {
+  constructor()
+}`;
+
+const result = highlight(code);
+
+console.log(result);
+```
+
+```js
+class Foo {
+  constructor()
+}
+```
+
+By default, `highlight` will not highlight your code if your terminal does not support color. To force colors, pass `{ forceColor: true }` as the second argument to `highlight`.
+
+```js
+import highlight from "@babel/highlight";
+
+const code = `class Foo {
+  constructor()
+}`;
+
+const result = highlight(code, { forceColor: true });
+```
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
new file mode 100644
index 000000000000..f40486e93654
--- /dev/null
+++ b/packages/babel-highlight/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@babel/highlight",
+  "version": "7.0.0-beta.39",
+  "description": "Syntax highlight JavaScript strings for output in terminals.",
+  "author": "suchipi <me@suchipi.com>",
+  "homepage": "https://babeljs.io/",
+  "license": "MIT",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-highlight",
+  "main": "lib/index.js",
+  "dependencies": {
+    "chalk": "^2.0.0",
+    "esutils": "^2.0.2",
+    "js-tokens": "^3.0.0"
+  },
+  "devDependencies": {
+    "strip-ansi": "^4.0.0"
+  }
+}
diff --git a/packages/babel-highlight/src/index.js b/packages/babel-highlight/src/index.js
new file mode 100644
index 000000000000..cc98a49f85a3
--- /dev/null
+++ b/packages/babel-highlight/src/index.js
@@ -0,0 +1,127 @@
+import jsTokens, { matchToToken } from "js-tokens";
+import esutils from "esutils";
+import Chalk from "chalk";
+
+/**
+ * Chalk styles for token types.
+ */
+function getDefs(chalk) {
+  return {
+    keyword: chalk.cyan,
+    capitalized: chalk.yellow,
+    jsx_tag: chalk.yellow,
+    punctuator: chalk.yellow,
+    // bracket:  intentionally omitted.
+    number: chalk.magenta,
+    string: chalk.green,
+    regex: chalk.magenta,
+    comment: chalk.grey,
+    invalid: chalk.white.bgRed.bold,
+  };
+}
+
+/**
+ * RegExp to test for newlines in terminal.
+ */
+const NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
+
+/**
+ * RegExp to test for what seems to be a JSX tag name.
+ */
+const JSX_TAG = /^[a-z][\w-]*$/i;
+
+/**
+ * RegExp to test for the three types of brackets.
+ */
+const BRACKET = /^[()[\]{}]$/;
+
+/**
+ * Get the type of token, specifying punctuator type.
+ */
+function getTokenType(match) {
+  const [offset, text] = match.slice(-2);
+  const token = matchToToken(match);
+
+  if (token.type === "name") {
+    if (esutils.keyword.isReservedWordES6(token.value)) {
+      return "keyword";
+    }
+
+    if (
+      JSX_TAG.test(token.value) &&
+      (text[offset - 1] === "<" || text.substr(offset - 2, 2) == "</")
+    ) {
+      return "jsx_tag";
+    }
+
+    if (token.value[0] !== token.value[0].toLowerCase()) {
+      return "capitalized";
+    }
+  }
+
+  if (token.type === "punctuator" && BRACKET.test(token.value)) {
+    return "bracket";
+  }
+
+  if (
+    token.type === "invalid" &&
+    (token.value === "@" || token.value === "#")
+  ) {
+    return "punctuator";
+  }
+
+  return token.type;
+}
+
+/**
+ * Highlight `text` using the token definitions in `defs`.
+ */
+function highlightTokens(defs: Object, text: string) {
+  return text.replace(jsTokens, function(...args) {
+    const type = getTokenType(args);
+    const colorize = defs[type];
+    if (colorize) {
+      return args[0]
+        .split(NEWLINE)
+        .map(str => colorize(str))
+        .join("\n");
+    } else {
+      return args[0];
+    }
+  });
+}
+
+type Options = {
+  forceColor?: boolean,
+};
+
+/**
+ * Whether the code should be highlighted given the passed options.
+ */
+export function shouldHighlight(options: Options): boolean {
+  return Chalk.supportsColor || options.forceColor;
+}
+
+/**
+ * The Chalk instance that should be used given the passed options.
+ */
+export function getChalk(options: Options) {
+  let chalk = Chalk;
+  if (options.forceColor) {
+    chalk = new Chalk.constructor({ enabled: true, level: 1 });
+  }
+  return chalk;
+}
+
+/**
+ * Highlight `code`.
+ */
+export default function highlight(code: string, options: Options = {}): string {
+  if (shouldHighlight(options)) {
+    const chalk = getChalk(options);
+    const defs = getDefs(chalk);
+    return highlightTokens(defs, code);
+  } else {
+    return code;
+  }
+}
diff --git a/packages/babel-highlight/test/index.js b/packages/babel-highlight/test/index.js
new file mode 100644
index 000000000000..774fbcd669b3
--- /dev/null
+++ b/packages/babel-highlight/test/index.js
@@ -0,0 +1,118 @@
+import assert from "assert";
+import chalk from "chalk";
+import stripAnsi from "strip-ansi";
+import highlight, { shouldHighlight, getChalk } from "..";
+
+describe("@babel/highlight", function() {
+  function stubColorSupport(supported) {
+    let originalSupportsColor;
+    beforeEach(function() {
+      originalSupportsColor = chalk.supportsColor;
+      chalk.supportsColor = supported;
+    });
+
+    afterEach(function() {
+      chalk.supportsColor = originalSupportsColor;
+    });
+  }
+
+  describe("highlight", function() {
+    describe("when colors are supported", function() {
+      stubColorSupport(true);
+
+      it("highlights code", function() {
+        const code = "console.log('hi')";
+        const result = highlight(code);
+        const stripped = stripAnsi(result);
+        assert.ok(result.length > stripped.length);
+        assert.equal(stripped, code);
+      });
+    });
+
+    describe("when colors are not supported", function() {
+      stubColorSupport(false);
+
+      it("does not attempt to highlight code", function() {
+        const code = "console.log('hi')";
+        const result = highlight(code);
+        const stripped = stripAnsi(result);
+        assert.ok(result.length === stripped.length);
+        assert.equal(result, code);
+      });
+
+      describe("and the forceColor option is passed", function() {
+        it("highlights the code anyway", function() {
+          const code = "console.log('hi')";
+          const result = highlight(code, { forceColor: true });
+          const stripped = stripAnsi(result);
+          assert.ok(result.length > stripped.length);
+          assert.equal(stripped, code);
+        });
+      });
+    });
+  });
+
+  describe("shouldHighlight", function() {
+    describe("when colors are supported", function() {
+      stubColorSupport(true);
+
+      it("returns true", function() {
+        assert.ok(shouldHighlight({}));
+      });
+    });
+
+    describe("when colors are not supported", function() {
+      stubColorSupport(false);
+
+      it("returns false", function() {
+        assert.ok(!shouldHighlight({}));
+      });
+
+      describe("and the forceColor option is passed", function() {
+        it("returns true", function() {
+          assert.ok(shouldHighlight({ forceColor: true }));
+        });
+      });
+    });
+  });
+
+  describe("getChalk", function() {
+    describe("when colors are supported", function() {
+      stubColorSupport(true);
+
+      describe("when forceColor is not passed", function() {
+        it("returns a Chalk instance", function() {
+          assert.equal(getChalk({}).constructor, chalk.constructor);
+        });
+      });
+
+      describe("when forceColor is passed", function() {
+        it("returns a Chalk instance", function() {
+          assert.equal(
+            getChalk({ forceColor: true }).constructor,
+            chalk.constructor,
+          );
+        });
+      });
+    });
+
+    describe("when colors are supported", function() {
+      stubColorSupport(true);
+
+      describe("when forceColor is not passed", function() {
+        it("returns a Chalk instance", function() {
+          assert.equal(getChalk({}).constructor, chalk.constructor);
+        });
+      });
+
+      describe("when forceColor is passed", function() {
+        it("returns a Chalk instance", function() {
+          assert.equal(
+            getChalk({ forceColor: true }).constructor,
+            chalk.constructor,
+          );
+        });
+      });
+    });
+  });
+});

From 2979dd99ac06a5cd8206146274b5266d7b53e8ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Clar=20Ro=CA=92e?= <clar@charr.xyz>
Date: Sun, 11 Feb 2018 02:57:50 -0500
Subject: [PATCH 011/140] Update browserslist for babel-preset-env. (#7365)

---
 packages/babel-preset-env/package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index e9438cad0a7a..d6cbb08bb07b 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -45,7 +45,7 @@
     "@babel/plugin-transform-template-literals": "7.0.0-beta.39",
     "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.39",
     "@babel/plugin-transform-unicode-regex": "7.0.0-beta.39",
-    "browserslist": "^2.4.0",
+    "browserslist": "^3.0.0",
     "invariant": "^2.2.2",
     "semver": "^5.3.0"
   },

From 4a2e1dbbc3aa094b02aea4793a63f9fba8ad8a28 Mon Sep 17 00:00:00 2001
From: Yeonghoon Park <me@yhpark.io>
Date: Sun, 11 Feb 2018 21:04:31 +0900
Subject: [PATCH 012/140] Fix stage-3 name in README.md (#7363)

[skip-ci] Fix a typo in preset-env doc: `@babel/preset-stage-3` package name.
---
 packages/babel-preset-env/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-preset-env/README.md b/packages/babel-preset-env/README.md
index 1e968236c895..945752b72f63 100644
--- a/packages/babel-preset-env/README.md
+++ b/packages/babel-preset-env/README.md
@@ -405,7 +405,7 @@ Toggles whether or not [browserslist config sources](https://github.com/ai/brows
 
 `boolean`, defaults to `false`
 
-Toggles enabling support for builtin/feature proposals that have shipped in browsers. If your target environments have native support for a feature proposal, its matching parser syntax plugin is enabled instead of performing any transform. Note that this _does not_ enable the same transformations as [`@babel/preset-stage3`](https://babeljs.io/docs/plugins/preset-stage-3/), since proposals can continue to change before landing in browsers.
+Toggles enabling support for builtin/feature proposals that have shipped in browsers. If your target environments have native support for a feature proposal, its matching parser syntax plugin is enabled instead of performing any transform. Note that this _does not_ enable the same transformations as [`@babel/preset-stage-3`](https://babeljs.io/docs/plugins/preset-stage-3/), since proposals can continue to change before landing in browsers.
 
 The following are currently supported:
 

From 88a0f522300145f01ede292209d11063cdd1d342 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vojt=C4=9Bch=20=C5=A0t=C4=9Bpan=C4=8D=C3=ADk?=
 <vojtechstepancik@outlook.com>
Date: Mon, 12 Feb 2018 14:10:35 +0100
Subject: [PATCH 013/140] Fix CLI compilation callback calling (#7366)

---
 packages/babel-cli/src/babel/util.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-cli/src/babel/util.js b/packages/babel-cli/src/babel/util.js
index a08580578a49..dc57791458cc 100644
--- a/packages/babel-cli/src/babel/util.js
+++ b/packages/babel-cli/src/babel/util.js
@@ -63,7 +63,7 @@ export function compile(filename, opts, callback) {
     if (err) {
       if (commander.watch) {
         console.error(err);
-        return callback(null, { ignored: true });
+        return callback(null, null);
       } else {
         return callback(err);
       }

From ea3f2d929997d39d74b9a32da16340c88c53a3e7 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Mon, 12 Feb 2018 11:41:13 -0500
Subject: [PATCH 014/140] v7.0.0-beta.40

---
 .../package.json                              |  10 +-
 lerna.json                                    |   2 +-
 packages/babel-cli/package.json               |   8 +-
 packages/babel-code-frame/package.json        |   4 +-
 packages/babel-core/package.json              |  20 +-
 packages/babel-generator/package.json         |   8 +-
 .../package.json                              |   4 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   4 +-
 .../babel-helper-call-delegate/package.json   |   8 +-
 packages/babel-helper-define-map/package.json |   6 +-
 .../package.json                              |   6 +-
 .../babel-helper-explode-class/package.json   |   8 +-
 packages/babel-helper-fixtures/package.json   |   2 +-
 .../babel-helper-function-name/package.json   |   8 +-
 .../package.json                              |   4 +-
 .../babel-helper-hoist-variables/package.json |   4 +-
 .../babel-helper-module-imports/package.json  |   6 +-
 .../package.json                              |  10 +-
 .../package.json                              |   4 +-
 .../package.json                              |   4 +-
 packages/babel-helper-regex/package.json      |   2 +-
 .../package.json                              |  12 +-
 .../babel-helper-replace-supers/package.json  |  10 +-
 .../babel-helper-simple-access/package.json   |   6 +-
 .../package.json                              |  10 +-
 .../babel-helper-wrap-function/package.json   |  10 +-
 packages/babel-helpers/package.json           |  10 +-
 packages/babel-highlight/package.json         |   2 +-
 packages/babel-node/package.json              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../babel-plugin-syntax-flow/package.json     |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 packages/babel-plugin-syntax-jsx/package.json |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  18 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 packages/babel-polyfill/package.json          |   2 +-
 .../babel-preset-env-standalone/package.json  |   8 +-
 packages/babel-preset-env/package.json        |  80 ++++----
 packages/babel-preset-es2015/package.json     |  58 +++---
 packages/babel-preset-es2016/package.json     |   8 +-
 packages/babel-preset-es2017/package.json     |   8 +-
 packages/babel-preset-flow/package.json       |  10 +-
 packages/babel-preset-react/package.json      |  20 +-
 packages/babel-preset-stage-0/package.json    |  10 +-
 packages/babel-preset-stage-1/package.json    |  20 +-
 packages/babel-preset-stage-2/package.json    |  16 +-
 packages/babel-preset-stage-3/package.json    |  20 +-
 packages/babel-preset-typescript/package.json |   8 +-
 packages/babel-register/package.json          |   6 +-
 packages/babel-runtime/package.json           |  12 +-
 packages/babel-standalone/package.json        | 174 +++++++++---------
 packages/babel-template/package.json          |   8 +-
 packages/babel-traverse/package.json          |  14 +-
 packages/babel-types/package.json             |   6 +-
 packages/babylon/package.json                 |   4 +-
 136 files changed, 730 insertions(+), 730 deletions(-)

diff --git a/codemods/babel-plugin-codemod-optional-catch-binding/package.json b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
index efb72d5e8582..f3240d1c46c8 100644
--- a/codemods/babel-plugin-codemod-optional-catch-binding/package.json
+++ b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-codemod-optional-catch-binding",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Remove unused catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-remove-unused-catch-binding",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "@babel/plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.39"
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/lerna.json b/lerna.json
index 8c57a156712b..1a0005224791 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "lerna": "2.0.0-rc.4",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "changelog": {
     "repo": "babel/babel",
     "labels": {
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index 8260d9814ef8..33153874c0c2 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/cli",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel command line.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -29,11 +29,11 @@
     "chokidar": "^1.6.1"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-fixtures": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-fixtures": "7.0.0-beta.40"
   },
   "bin": {
     "babel": "./bin/babel.js",
diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index 6b217b4f942f..79c5a010e708 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/code-frame",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Generate errors that contain a code frame that point to source locations.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,7 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-code-frame",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/highlight": "7.0.0-beta.39"
+    "@babel/highlight": "7.0.0-beta.40"
   },
   "devDependencies": {
     "chalk": "^2.0.0",
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index d7cd127d161c..99e8b60fb5ae 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/core",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel compiler core.",
   "main": "./lib/index.js",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
@@ -28,13 +28,13 @@
     "./lib/transform-file-sync.js": "./lib/transform-file-sync-browser.js"
   },
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.39",
-    "@babel/generator": "7.0.0-beta.39",
-    "@babel/helpers": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
-    "babylon": "7.0.0-beta.39",
+    "@babel/code-frame": "7.0.0-beta.40",
+    "@babel/generator": "7.0.0-beta.40",
+    "@babel/helpers": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.40",
     "convert-source-map": "^1.1.0",
     "debug": "^3.0.1",
     "json5": "^0.5.0",
@@ -44,7 +44,7 @@
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.39",
-    "@babel/register": "7.0.0-beta.39"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40",
+    "@babel/register": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index 9258dabe810f..1ebdfca364ec 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/generator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turns an AST into code.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -11,14 +11,14 @@
     "lib"
   ],
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/types": "7.0.0-beta.40",
     "jsesc": "^2.5.1",
     "lodash": "^4.2.0",
     "source-map": "^0.5.0",
     "trim-right": "^1.0.1"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.39",
-    "babylon": "7.0.0-beta.39"
+    "@babel/helper-fixtures": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-annotate-as-pure/package.json b/packages/babel-helper-annotate-as-pure/package.json
index 6bb214050cad..80f0a8b32702 100644
--- a/packages/babel-helper-annotate-as-pure/package.json
+++ b/packages/babel-helper-annotate-as-pure/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-annotate-as-pure",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to annotate paths and nodes with #__PURE__ comment",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-annotate-as-pure",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-bindify-decorators/package.json b/packages/babel-helper-bindify-decorators/package.json
index d143a9276b73..8ab5619b000a 100644
--- a/packages/babel-helper-bindify-decorators/package.json
+++ b/packages/babel-helper-bindify-decorators/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-bindify-decorators",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to bindify decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-bindify-decorators",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
index f53038d2f2af..ee72fe4ec858 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-binary-assignment-operator-visitor",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to build binary assignment operator visitors",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-binary-assignment-operator-visitor",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-explode-assignable-expression": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-explode-assignable-expression": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index 0e8e5ce139aa..2f3ce2e8becd 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-react-jsx",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to build react jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-react-jsx",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/types": "7.0.0-beta.40",
     "esutils": "^2.0.0"
   }
 }
diff --git a/packages/babel-helper-call-delegate/package.json b/packages/babel-helper-call-delegate/package.json
index 255e5d7ebffa..90e086742457 100644
--- a/packages/babel-helper-call-delegate/package.json
+++ b/packages/babel-helper-call-delegate/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-call-delegate",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to call delegate",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-call-delegate",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-hoist-variables": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-hoist-variables": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index d936e06961fe..d505b0be3570 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-define-map",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to define a map",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-define-map",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-explode-assignable-expression/package.json b/packages/babel-helper-explode-assignable-expression/package.json
index 3f059837dca2..b1fde499f4d8 100644
--- a/packages/babel-helper-explode-assignable-expression/package.json
+++ b/packages/babel-helper-explode-assignable-expression/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-explode-assignable-expression",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to explode an assignable expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-assignable-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-explode-class/package.json b/packages/babel-helper-explode-class/package.json
index 4bc47dcafaf0..38219b56e44b 100644
--- a/packages/babel-helper-explode-class/package.json
+++ b/packages/babel-helper-explode-class/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-explode-class",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to explode class",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-class",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-bindify-decorators": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-bindify-decorators": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index e56efdeac32b..8dde1a183610 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-fixtures",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to support fixtures",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "license": "MIT",
diff --git a/packages/babel-helper-function-name/package.json b/packages/babel-helper-function-name/package.json
index 4685e974dc83..b313b410a7ea 100644
--- a/packages/babel-helper-function-name/package.json
+++ b/packages/babel-helper-function-name/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-function-name",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to change the property 'name' of every function",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-function-name",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-get-function-arity": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-get-function-arity": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-get-function-arity/package.json b/packages/babel-helper-get-function-arity/package.json
index ed9d8db85a59..74ec3dee883c 100644
--- a/packages/babel-helper-get-function-arity/package.json
+++ b/packages/babel-helper-get-function-arity/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-get-function-arity",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to get function arity",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-get-function-arity",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-hoist-variables/package.json b/packages/babel-helper-hoist-variables/package.json
index 9c6214b08601..7191891f052a 100644
--- a/packages/babel-helper-hoist-variables/package.json
+++ b/packages/babel-helper-hoist-variables/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-hoist-variables",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to hoist variables",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-hoist-variables",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-module-imports/package.json b/packages/babel-helper-module-imports/package.json
index 53a311f8ace4..7a6c5f7e5158 100644
--- a/packages/babel-helper-module-imports/package.json
+++ b/packages/babel-helper-module-imports/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-imports",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel helper functions for inserting module loads",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-imports",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/types": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index 5386d614c12a..8d544044183e 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-transforms",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel helper functions for implementing ES6 module transformations",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-transforms",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.39",
-    "@babel/helper-simple-access": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/helper-module-imports": "7.0.0-beta.40",
+    "@babel/helper-simple-access": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-optimise-call-expression/package.json b/packages/babel-helper-optimise-call-expression/package.json
index 04a326324cab..da151c7d25e4 100644
--- a/packages/babel-helper-optimise-call-expression/package.json
+++ b/packages/babel-helper-optimise-call-expression/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-optimise-call-expression",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to optimise call expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-optimise-call-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-plugin-test-runner/package.json b/packages/babel-helper-plugin-test-runner/package.json
index 44a03fd3ccfa..54e2b05ee85c 100644
--- a/packages/babel-helper-plugin-test-runner/package.json
+++ b/packages/babel-helper-plugin-test-runner/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-plugin-test-runner",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to support test runner",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-plugin-test-runner",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.39"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-regex/package.json b/packages/babel-helper-regex/package.json
index 182b097f64a6..d1d0ad726df9 100644
--- a/packages/babel-helper-regex/package.json
+++ b/packages/babel-helper-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-regex",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to check for literal RegEx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-regex",
   "license": "MIT",
diff --git a/packages/babel-helper-remap-async-to-generator/package.json b/packages/babel-helper-remap-async-to-generator/package.json
index 36279493b613..ff7c15f90592 100644
--- a/packages/babel-helper-remap-async-to-generator/package.json
+++ b/packages/babel-helper-remap-async-to-generator/package.json
@@ -1,15 +1,15 @@
 {
   "name": "@babel/helper-remap-async-to-generator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to remap async functions to generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-remap-async-to-generator",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.39",
-    "@babel/helper-wrap-function": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.40",
+    "@babel/helper-wrap-function": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-replace-supers/package.json b/packages/babel-helper-replace-supers/package.json
index 24ff964752bb..1a688690a6cb 100644
--- a/packages/babel-helper-replace-supers/package.json
+++ b/packages/babel-helper-replace-supers/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-replace-supers",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper function to replace supers",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-replace-supers",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-simple-access/package.json b/packages/babel-helper-simple-access/package.json
index 146ba722fa1b..8765ec88bab1 100644
--- a/packages/babel-helper-simple-access/package.json
+++ b/packages/babel-helper-simple-access/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-simple-access",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel helper for ensuring that access to a given value is performed through simple accesses",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,8 +8,8 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-simple-access",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 122039dc6b57..26d82ef7d4bd 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-transform-fixture-test-runner",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Transform test runner for @babel/helper-fixtures module",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-transform-fixture-test-runner",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.39",
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-fixtures": "7.0.0-beta.39",
-    "@babel/polyfill": "7.0.0-beta.39",
+    "@babel/code-frame": "7.0.0-beta.40",
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-fixtures": "7.0.0-beta.40",
+    "@babel/polyfill": "7.0.0-beta.40",
     "chai": "^4.1.0",
     "lodash": "^4.2.0",
     "resolve": "^1.3.2",
diff --git a/packages/babel-helper-wrap-function/package.json b/packages/babel-helper-wrap-function/package.json
index 5235d225611f..5099c925396a 100644
--- a/packages/babel-helper-wrap-function/package.json
+++ b/packages/babel-helper-wrap-function/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-wrap-function",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Helper to wrap functions inside a function call.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-wrap-function",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.39",
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helpers/package.json b/packages/babel-helpers/package.json
index 6aa3f80ac7de..399766e9e6e3 100644
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helpers",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Collection of helper functions used by Babel transforms.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,11 +8,11 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helpers",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/template": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
index f40486e93654..bdc9d1d2804b 100644
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/highlight",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Syntax highlight JavaScript strings for output in terminals.",
   "author": "suchipi <me@suchipi.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-node/package.json b/packages/babel-node/package.json
index d038f0248585..55f69e4b70cf 100644
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/node",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel command line",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -16,8 +16,8 @@
     "compiler"
   ],
   "dependencies": {
-    "@babel/polyfill": "7.0.0-beta.39",
-    "@babel/register": "7.0.0-beta.39",
+    "@babel/polyfill": "7.0.0-beta.40",
+    "@babel/register": "7.0.0-beta.40",
     "commander": "^2.8.1",
     "fs-readdir-recursive": "^1.0.0",
     "lodash": "^4.2.0",
@@ -25,11 +25,11 @@
     "v8flags": "^3.0.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-fixtures": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-fixtures": "7.0.0-beta.40"
   },
   "bin": {
     "babel-node": "./bin/babel-node.js"
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index cb7ab8253dcb..bffa596f98a2 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-external-helpers",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin contains helper functions that’ll be placed at the top of the generated code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-external-helpers",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 84cabee44325..5aa7d1335f5a 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-async-generator-functions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn async generator functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-async-generator-functions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.39",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.39"
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.40",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index f38009fb302c..76c92be1edd8 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-class-properties",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms static class properties as well as properties declared with the property initializer syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-class-properties",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.39",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.39"
+    "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index 08637a557ba9..ba8eaa010d95 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-decorators",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "license": "MIT",
   "description": "Compile class and object decorators to ES5",
@@ -12,13 +12,13 @@
     "decorators"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.39"
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index 0a14c10866c6..eca1144e107d 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-do-expressions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile do expressions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-do-expressions",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.39"
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index ad1b8ab11210..75aeb97bde9f 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-default-from",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile export default to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-default-from",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.39"
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index 3b8dc633d2d6..e25367599d23 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-namespace-from",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile export namespace to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-namespace-from",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.39"
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index a85836d6a5d6..e93b299efa03 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-bind",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile function bind operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-bind",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.39"
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index ed80377e06c6..36eab223396e 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-sent",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile the function.sent meta propety to valid ES2015 code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-sent",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-wrap-function": "7.0.0-beta.39",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.39"
+    "@babel/helper-wrap-function": "7.0.0-beta.40",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index 383ce8994cc0..8c290d92cb2f 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-nullish-coalescing-operator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Remove nullish coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-nullish-coalescing-opearator",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.39"
+    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index a386ac4fd28e..542df90fefc0 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-numeric-separator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Remove numeric separators from Decimal, Binary, Hex and Octal literals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-numeric-separator",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.39"
+    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index 49a5e00e20c7..a988639b5b6d 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-object-rest-spread",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile object rest and spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-object-rest-spread",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.39"
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index 31f337ef1aae..25f7df7442b4 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-catch-binding",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-catch-binding",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.39"
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index 3dc2ff74191e..796fc1ba8f16 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-chaining",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Transform optional chaining operators into a series of nil checks",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-chaining",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.39"
+    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index 64f11507dbea..98bd876badfe 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-pipeline-operator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Transform pipeline operator into call expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-pipeline-operator",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.39"
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index be03aa5f5918..dbb0c6264f8f 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-throw-expressions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Wraps Throw Expressions in an IIFE",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-throw-expressions",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.39"
+    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index 7d80de17c86a..1b947edae22a 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-unicode-property-regex",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile Unicode property escapes in Unicode regular expressions to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -19,14 +19,14 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-unicode-property-regex",
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-regex": "7.0.0-beta.39",
+    "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-async-generators/package.json b/packages/babel-plugin-syntax-async-generators/package.json
index d028fe60513a..9fcf29ac5019 100644
--- a/packages/babel-plugin-syntax-async-generators/package.json
+++ b/packages/babel-plugin-syntax-async-generators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-async-generators",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of async generator functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-async-generators",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-class-properties/package.json b/packages/babel-plugin-syntax-class-properties/package.json
index 64d4df4a8663..bb21269d0c4c 100644
--- a/packages/babel-plugin-syntax-class-properties/package.json
+++ b/packages/babel-plugin-syntax-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-class-properties",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of class properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-class-properties",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index e8ebfeb0896d..8e6adad3aad3 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-decorators",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-decorators",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index 533bb324faf1..ebb1c774cc1c 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-do-expressions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of do expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-do-expressions",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-dynamic-import/package.json b/packages/babel-plugin-syntax-dynamic-import/package.json
index 59e7d4ed6b65..dd3da32617a1 100644
--- a/packages/babel-plugin-syntax-dynamic-import/package.json
+++ b/packages/babel-plugin-syntax-dynamic-import/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-dynamic-import",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of import()",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-dynamic-import",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index 43147cffd406..e7bea9543c59 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-default-from",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of export default from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-default-from",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-namespace-from/package.json b/packages/babel-plugin-syntax-export-namespace-from/package.json
index fd620b2d8772..8fbdc3cf8610 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/package.json
+++ b/packages/babel-plugin-syntax-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-namespace-from",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of export namespace from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-namespace-from",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 4b5cae07dbfe..5e06fbbe8f1f 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-flow",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of the flow syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-flow",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index e67e82f47d2d..355896f7298f 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-bind",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of function bind",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-bind",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index 275f71439e62..8c4fd1468031 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-sent",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of the function.sent meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-sent",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-import-meta/package.json b/packages/babel-plugin-syntax-import-meta/package.json
index 2ff574a97aaf..78c5050f5b5f 100644
--- a/packages/babel-plugin-syntax-import-meta/package.json
+++ b/packages/babel-plugin-syntax-import-meta/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-import-meta",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of import.meta",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-import-meta",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index 8ceae7f4b0be..e9b7d34a9d2e 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-jsx",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-jsx",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
index 05e8338b84d5..8c03b7eb69c9 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-nullish-coalescing-operator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of the nullish-coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-nullish-coalescing-operator",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-numeric-separator/package.json b/packages/babel-plugin-syntax-numeric-separator/package.json
index 3764de1b998a..3b753892e17a 100644
--- a/packages/babel-plugin-syntax-numeric-separator/package.json
+++ b/packages/babel-plugin-syntax-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-numeric-separator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-numeric-separator",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-object-rest-spread/package.json b/packages/babel-plugin-syntax-object-rest-spread/package.json
index 43c5a18fcb86..a622847be50a 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/package.json
+++ b/packages/babel-plugin-syntax-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-object-rest-spread",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of object rest/spread",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-object-rest-spread",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/package.json b/packages/babel-plugin-syntax-optional-catch-binding/package.json
index 704bf69f23fb..654fedab8388 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/package.json
+++ b/packages/babel-plugin-syntax-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-catch-binding",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-catch-binding",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-chaining/package.json b/packages/babel-plugin-syntax-optional-chaining/package.json
index 89ea74f7c2a6..588efb49e25a 100644
--- a/packages/babel-plugin-syntax-optional-chaining/package.json
+++ b/packages/babel-plugin-syntax-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-chaining",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of optional properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-chaining",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index 9272fb7aa2a9..a6e9180cdfed 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-pipeline-operator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of the pipeline operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-pipeline-operator",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index 809ab7e0dead..9f0ca9bdeb16 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-throw-expressions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of Throw Expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-throw-expressions",
   "license": "MIT",
@@ -9,9 +9,9 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index c06ed54ffeca..0afb3590c124 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-typescript",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Allow parsing of TypeScript syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-typescript",
   "license": "MIT",
@@ -10,9 +10,9 @@
     "typescript"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index ad3817db1a6c..b8742cdeaba2 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-arrow-functions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 arrow functions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-arrow-functions",
   "license": "MIT",
@@ -9,11 +9,11 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/traverse": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/traverse": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index f77414b9db72..009dc314e7c1 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-async-to-generator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn async functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-async-to-generator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.39",
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.39"
+    "@babel/helper-module-imports": "7.0.0-beta.40",
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index 2a99a5048e5e..4f2717cf7051 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-block-scoped-functions",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel plugin to ensure function declarations at the block level are block scoped",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoped-functions",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index aaae3d66f39f..17dfbf5e62dc 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-block-scoping",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 block scoping (const and let) to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoping",
   "license": "MIT",
@@ -12,10 +12,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index e6d9c2afa1b9..53bb0ba44b15 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -1,26 +1,26 @@
 {
   "name": "@babel/plugin-transform-classes",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 classes to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-classes",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.39",
-    "@babel/helper-define-map": "7.0.0-beta.39",
-    "@babel/helper-function-name": "7.0.0-beta.39",
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.39",
-    "@babel/helper-replace-supers": "7.0.0-beta.39",
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.40",
+    "@babel/helper-define-map": "7.0.0-beta.40",
+    "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.40",
+    "@babel/helper-replace-supers": "7.0.0-beta.40",
     "globals": "^11.1.0"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index d9a327256e52..eb9c28c3ab29 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-computed-properties",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 computed properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-computed-properties",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 7046d1ae856e..651277bcb104 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-destructuring",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 destructuring to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-destructuring",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index 1600807c7662..1cf182f7353c 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-dotall-regex",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile regular expressions using the `s` (`dotAll`) flag to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -21,14 +21,14 @@
   },
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-regex": "7.0.0-beta.39",
+    "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index 072991a1bd7c..71e35b642fe2 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-duplicate-keys",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile objects with duplicate keys to valid strict ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-duplicate-keys",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index be68898cda2f..d0ea98e54dcc 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-exponentiation-operator",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile exponentiation operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-exponentiation-operator",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.39"
+    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index fdd4465dcda9..5954a580c96e 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-comments",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn flow type annotations into comments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-comments",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-flow": "7.0.0-beta.39"
+    "@babel/plugin-syntax-flow": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index 4de62870009a..bc896fabdf5f 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-strip-types",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Strip flow type annotations from your output code.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-strip-types",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-flow": "7.0.0-beta.39"
+    "@babel/plugin-syntax-flow": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index e75567ed2b97..ab391796539f 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-for-of",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 for...of to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-for-of",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 6432e8cfe5dd..804f562ecda2 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-function-name",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Apply ES2015 function.name semantics to all functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-function-name",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.39"
+    "@babel/helper-function-name": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index 02078b0c25ce..063eace31ec6 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-instanceof",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms all the ES2015 'instanceof' methods",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-instanceof",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index 8aae588da996..daf0682642bc 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-jscript",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel plugin to fix buggy JScript named function expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-jscript",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index f768961fa5e4..085bc6a03108 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-literals",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 unicode string and number literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-literals",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index 3632d9cae1a0..c3e39e9edea7 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-member-expression-literals",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Ensure that reserved words are quoted in property accesses",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-member-expression-literals",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index e3df229b244b..a4ae79fa0b55 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -1,21 +1,21 @@
 {
   "name": "@babel/plugin-transform-modules-amd",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms ES2015 modules to AMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-amd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.39"
+    "@babel/helper-module-transforms": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index e2c11f7f9714..14cddc57c4eb 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -1,23 +1,23 @@
 {
   "name": "@babel/plugin-transform-modules-commonjs",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms ES2015 modules to CommonJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-commonjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.39",
-    "@babel/helper-simple-access": "7.0.0-beta.39"
+    "@babel/helper-module-transforms": "7.0.0-beta.40",
+    "@babel/helper-simple-access": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index d9f40286edf8..b488b1bf9faa 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-modules-systemjs",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms ES2015 modules to SystemJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-systemjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-hoist-variables": "7.0.0-beta.39"
+    "@babel/helper-hoist-variables": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index e458c8c0ac40..db480b6ffe76 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -1,21 +1,21 @@
 {
   "name": "@babel/plugin-transform-modules-umd",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin transforms ES2015 modules to UMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-umd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.39"
+    "@babel/helper-module-transforms": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index 5d239ae5db8c..e636414a74af 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-new-target",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Transforms new.target meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-new-target",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index 8e881de940b4..9d41361fe21e 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-assign",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Replace Object.assign with an inline helper",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-assign",
   "author": "Jed Watson",
@@ -10,10 +10,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
index e5ece1e7846c..aefb8666d0b9 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-set-prototype-of-to-assign",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn Object.setPrototypeOf to assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-set-prototype-of-to-assign",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index 2770b8cbac5d..fa91664c6c1f 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-super",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 object super to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-super",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-replace-supers": "7.0.0-beta.39"
+    "@babel/helper-replace-supers": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index eb3a6e26bcb4..6cc53f5d0644 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-parameters",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 default and rest parameters to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-parameters",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-call-delegate": "7.0.0-beta.39",
-    "@babel/helper-get-function-arity": "7.0.0-beta.39"
+    "@babel/helper-call-delegate": "7.0.0-beta.40",
+    "@babel/helper-get-function-arity": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index ad39e08b7ae7..aedeb45d3671 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-literals",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Ensure that reserved words are quoted in object property keys",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-literals",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index cfcf819fa75b..5b7710648dc3 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-mutators",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES5 property mutator shorthand syntax to Object.defineProperty",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-mutators",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-define-map": "7.0.0-beta.39"
+    "@babel/helper-define-map": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index 031d2ad77554..1d8cc1a3b13f 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-proto-to-assign",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel plugin for turning __proto__ into a shallow property clone",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-proto-to-assign",
   "license": "MIT",
@@ -12,10 +12,10 @@
     "lodash": "^4.2.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index d2109b24864d..929895ac23d4 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-constant-elements",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Treat React JSX elements as value types and hoist them to the highest scope",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index f75996ba7225..e7977a2322c8 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-display-name",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Add displayName to React.createClass calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-display-name",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index 389655d4bd7b..0d54b357ccb6 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-inline-elements",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn JSX elements into exploded React objects",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-inline-elements",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.39"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index 07fdce24e5f7..a029eeb9e428 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-compat",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn JSX into React Pre-0.12 function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-compat",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.39"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index 496340ea99b3..57a7972f91bf 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-self",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Add a __self prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-self",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.39"
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index 5023f404ff74..e4f18c57a3d1 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-source",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Add a __source prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-source",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.39"
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index ed3490af708b..abe355ba9ee8 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Turn JSX into React function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.39",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.39"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.40",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-regenerator/package.json b/packages/babel-plugin-transform-regenerator/package.json
index f11c7e02a9db..95cec54a70c1 100644
--- a/packages/babel-plugin-transform-regenerator/package.json
+++ b/packages/babel-plugin-transform-regenerator/package.json
@@ -2,7 +2,7 @@
   "name": "@babel/plugin-transform-regenerator",
   "author": "Ben Newman <bn@cs.stanford.edu>",
   "description": "Explode async and generator functions into a state machine.",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "homepage": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "main": "lib/index.js",
@@ -11,10 +11,10 @@
   },
   "license": "MIT",
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 824dcddcab67..9d4432177335 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-reserved-words",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Ensure that no reserved words are used.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-reserved-words",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index bcec27c63d2f..8a0dc0d52ff7 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-runtime",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-runtime",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.39"
+    "@babel/helper-module-imports": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index a0ebe31b8467..8276fabc3e1b 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-shorthand-properties",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 shorthand properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-shorthand-properties",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index f418c2bf8c36..8add08ae9779 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-spread",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-spread",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index d29e8bfd0dfa..7bb41de7d5ea 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-sticky-regex",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 sticky regex to an ES5 RegExp constructor",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-sticky-regex",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-regex": "7.0.0-beta.39"
+    "@babel/helper-regex": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index d30781a79882..c0359fd799da 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-strict-mode",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This plugin places a 'use strict'; directive at the top of all files to enable strict mode",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-strict-mode",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index 73f696c53558..e092cb5bf56d 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -1,21 +1,21 @@
 {
   "name": "@babel/plugin-transform-template-literals",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 template literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-template-literals",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.39"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index 15de7d878685..e2971b3267b8 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typeof-symbol",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typeof-symbol",
   "license": "MIT",
@@ -9,10 +9,10 @@
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index 9005c9e64c49..0d5f71ae05d0 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typescript",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Transform TypeScript into ES.next",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typescript",
   "license": "MIT",
@@ -10,13 +10,13 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.39"
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index 8da305da548e..a59448994fd6 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-unicode-regex",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Compile ES2015 Unicode regex to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-regex",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-regex": "7.0.0-beta.39",
+    "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-polyfill/package.json b/packages/babel-polyfill/package.json
index 7f4bedf59aa0..7313ed33412e 100644
--- a/packages/babel-polyfill/package.json
+++ b/packages/babel-polyfill/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/polyfill",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Provides polyfills necessary for a full ES2015+ environment",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-preset-env-standalone/package.json b/packages/babel-preset-env-standalone/package.json
index 2a7e403aace4..f3ff566e78bb 100644
--- a/packages/babel-preset-env-standalone/package.json
+++ b/packages/babel-preset-env-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env-standalone",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Standalone build of babel-prest-env for use in non-Node.js environments.",
   "main": "babel-preset-env.js",
   "files": [
@@ -9,9 +9,9 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/plugin-transform-new-target": "7.0.0-beta.39",
-    "@babel/preset-env": "7.0.0-beta.39",
-    "@babel/standalone": "7.0.0-beta.39",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
+    "@babel/preset-env": "7.0.0-beta.40",
+    "@babel/standalone": "7.0.0-beta.40",
     "mock-require": "^2.0.2"
   },
   "keywords": [
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index d6cbb08bb07b..585cb5faea5f 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "A Babel preset for each environment.",
   "author": "Henry Zhu <hi@henryzoo.com>",
   "homepage": "https://babeljs.io/",
@@ -11,52 +11,52 @@
     "build-data": "node ./scripts/build-data.js; node ./scripts/build-modules-support.js"
   },
   "dependencies": {
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.39",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.39",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.39",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.39",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.39",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.39",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.39",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.39",
-    "@babel/plugin-transform-classes": "7.0.0-beta.39",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.39",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.39",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.39",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.39",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.39",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.39",
-    "@babel/plugin-transform-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.39",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.39",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.39",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.39",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.39",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-spread": "7.0.0-beta.39",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.39",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.39",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.39",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
+    "@babel/plugin-transform-classes": "7.0.0-beta.40",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.40",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
+    "@babel/plugin-transform-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-spread": "7.0.0-beta.40",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40",
     "browserslist": "^3.0.0",
     "invariant": "^2.2.2",
     "semver": "^5.3.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.39",
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-fixtures": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
+    "@babel/cli": "7.0.0-beta.40",
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-fixtures": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
     "compat-table": "kangax/compat-table#3e30cd67a5d3d853caf8424d00ca66d100674d4f",
     "electron-to-chromium": "^1.3.27",
     "request": "^2.83.0"
diff --git a/packages/babel-preset-es2015/package.json b/packages/babel-preset-es2015/package.json
index 297c3abdc664..d1699e991453 100644
--- a/packages/babel-preset-es2015/package.json
+++ b/packages/babel-preset-es2015/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2015",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for all es2015 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,37 +8,37 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2015",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.39",
-    "@babel/plugin-transform-classes": "7.0.0-beta.39",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.39",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.39",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.39",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.39",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.39",
-    "@babel/plugin-transform-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.39",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.39",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.39",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.39",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-spread": "7.0.0-beta.39",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.39",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.39",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.39"
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
+    "@babel/plugin-transform-classes": "7.0.0-beta.40",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.40",
+    "@babel/plugin-transform-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-spread": "7.0.0-beta.40",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-es2016/package.json b/packages/babel-preset-es2016/package.json
index 4c31765f437a..199cc89db669 100644
--- a/packages/babel-preset-es2016/package.json
+++ b/packages/babel-preset-es2016/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2016",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for all es2016 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,12 +8,12 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2016",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.39"
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-es2017/package.json b/packages/babel-preset-es2017/package.json
index 0f77c5a5a889..df874b107c2f 100644
--- a/packages/babel-preset-es2017/package.json
+++ b/packages/babel-preset-es2017/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2017",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for all es2017 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,12 +8,12 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2017",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.39"
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index 4f60a6e4d43f..376c2fe852d1 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-flow",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for all Flow plugins.",
   "author": "James Kyle <me@thejameskyle.com>",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-flow",
@@ -13,13 +13,13 @@
     "types"
   ],
   "dependencies": {
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.39"
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index 0b053476216a..93dd9f496a6e 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-react",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for all React plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,18 +8,18 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-react",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.39"
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index 33167b7b4c35..c6f44f5fb406 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-0",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for stage 0 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,13 +8,13 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-0",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.39",
-    "@babel/preset-stage-1": "7.0.0-beta.39"
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
+    "@babel/preset-stage-1": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-stage-1/package.json b/packages/babel-preset-stage-1/package.json
index 184cbc9b5b22..d23e7ca81b14 100644
--- a/packages/babel-preset-stage-1/package.json
+++ b/packages/babel-preset-stage-1/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-1",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for stage 1 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,18 +8,18 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-1",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.39",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.39",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.39",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.39",
-    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.39",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.39",
-    "@babel/preset-stage-2": "7.0.0-beta.39"
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.40",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.40",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.40",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.40",
+    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.40",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.40",
+    "@babel/preset-stage-2": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-stage-2/package.json b/packages/babel-preset-stage-2/package.json
index 15856cd1bec0..3199ef8aaf8c 100644
--- a/packages/babel-preset-stage-2/package.json
+++ b/packages/babel-preset-stage-2/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-2",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for stage 2 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,16 +8,16 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-2",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.39",
-    "@babel/plugin-proposal-function-sent": "7.0.0-beta.39",
-    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.39",
-    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.39",
-    "@babel/preset-stage-3": "7.0.0-beta.39"
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.40",
+    "@babel/plugin-proposal-function-sent": "7.0.0-beta.40",
+    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.40",
+    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.40",
+    "@babel/preset-stage-3": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-stage-3/package.json b/packages/babel-preset-stage-3/package.json
index c06ce2d0f0c2..a0b79e074ee6 100644
--- a/packages/babel-preset-stage-3/package.json
+++ b/packages/babel-preset-stage-3/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-3",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for stage 3 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,18 +8,18 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-3",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.39",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.39",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.39",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.39",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.39",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.39",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.39"
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index 8dda11b98c3e..8d3afd58c6c9 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-typescript",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel preset for TypeScript.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-typescript",
   "license": "MIT",
@@ -10,12 +10,12 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/plugin-transform-typescript": "7.0.0-beta.39"
+    "@babel/plugin-transform-typescript": "7.0.0-beta.40"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index f8960eb54d7d..33e6507033b2 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/register",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "babel require hook",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-register",
@@ -19,10 +19,10 @@
     "source-map-support": "^0.4.2"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
+    "@babel/core": "7.0.0-beta.40",
     "default-require-extensions": "^2.0.0"
   }
 }
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index ea2170b825eb..3d66d377c916 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/runtime",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "babel selfContained runtime",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-runtime",
@@ -10,10 +10,10 @@
     "regenerator-runtime": "^0.11.1"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/helpers": "7.0.0-beta.39",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.39",
-    "@babel/preset-env": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helpers": "7.0.0-beta.40",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.40",
+    "@babel/preset-env": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-standalone/package.json b/packages/babel-standalone/package.json
index 39d22f96f529..d7ec64f1ea2c 100644
--- a/packages/babel-standalone/package.json
+++ b/packages/babel-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/standalone",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Standalone build of Babel for use in non-Node.js environments.",
   "main": "babel.js",
   "files": [
@@ -9,92 +9,92 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/plugin-external-helpers": "7.0.0-beta.39",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.39",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.39",
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.39",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.39",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.39",
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.39",
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.39",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.39",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.39",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.39",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.39",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.39",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.39",
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.39",
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.39",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.39",
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.39",
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.39",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.39",
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.39",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.39",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.39",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.39",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.39",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.39",
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.39",
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.39",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.39",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.39",
-    "@babel/plugin-transform-classes": "7.0.0-beta.39",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.39",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.39",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.39",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.39",
-    "@babel/plugin-transform-flow-comments": "7.0.0-beta.39",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.39",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.39",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.39",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.39",
-    "@babel/plugin-transform-jscript": "7.0.0-beta.39",
-    "@babel/plugin-transform-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.39",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.39",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.39",
-    "@babel/plugin-transform-object-assign": "7.0.0-beta.39",
-    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.39",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.39",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.39",
-    "@babel/plugin-transform-property-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-property-mutators": "7.0.0-beta.39",
-    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.39",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.39",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.39",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.39",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.39",
-    "@babel/plugin-transform-spread": "7.0.0-beta.39",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.39",
-    "@babel/plugin-transform-strict-mode": "7.0.0-beta.39",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.39",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.39",
-    "@babel/plugin-transform-typescript": "7.0.0-beta.39",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.39",
-    "@babel/preset-es2015": "7.0.0-beta.39",
-    "@babel/preset-es2016": "7.0.0-beta.39",
-    "@babel/preset-es2017": "7.0.0-beta.39",
-    "@babel/preset-flow": "7.0.0-beta.39",
-    "@babel/preset-react": "7.0.0-beta.39",
-    "@babel/preset-stage-0": "7.0.0-beta.39",
-    "@babel/preset-stage-1": "7.0.0-beta.39",
-    "@babel/preset-stage-2": "7.0.0-beta.39",
-    "@babel/preset-stage-3": "7.0.0-beta.39",
-    "@babel/preset-typescript": "7.0.0-beta.39"
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/plugin-external-helpers": "7.0.0-beta.40",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.40",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.40",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.40",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.40",
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.40",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.40",
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.40",
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.40",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40",
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.40",
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.40",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.40",
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.40",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.40",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.40",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.40",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40",
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.40",
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.40",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
+    "@babel/plugin-transform-classes": "7.0.0-beta.40",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.40",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40",
+    "@babel/plugin-transform-flow-comments": "7.0.0-beta.40",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.40",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.40",
+    "@babel/plugin-transform-jscript": "7.0.0-beta.40",
+    "@babel/plugin-transform-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
+    "@babel/plugin-transform-object-assign": "7.0.0-beta.40",
+    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.40",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
+    "@babel/plugin-transform-property-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-property-mutators": "7.0.0-beta.40",
+    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.40",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.40",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.40",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
+    "@babel/plugin-transform-spread": "7.0.0-beta.40",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
+    "@babel/plugin-transform-strict-mode": "7.0.0-beta.40",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
+    "@babel/plugin-transform-typescript": "7.0.0-beta.40",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40",
+    "@babel/preset-es2015": "7.0.0-beta.40",
+    "@babel/preset-es2016": "7.0.0-beta.40",
+    "@babel/preset-es2017": "7.0.0-beta.40",
+    "@babel/preset-flow": "7.0.0-beta.40",
+    "@babel/preset-react": "7.0.0-beta.40",
+    "@babel/preset-stage-0": "7.0.0-beta.40",
+    "@babel/preset-stage-1": "7.0.0-beta.40",
+    "@babel/preset-stage-2": "7.0.0-beta.40",
+    "@babel/preset-stage-3": "7.0.0-beta.40",
+    "@babel/preset-typescript": "7.0.0-beta.40"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 8b54813de023..42b7430c5d8c 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/template",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Generate an AST from a string template.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,9 +8,9 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-template",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
-    "babylon": "7.0.0-beta.39",
+    "@babel/code-frame": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 4837c1f4fad4..c171a47fe1c2 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/traverse",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,17 +8,17 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-traverse",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.39",
-    "@babel/generator": "7.0.0-beta.39",
-    "@babel/helper-function-name": "7.0.0-beta.39",
-    "@babel/types": "7.0.0-beta.39",
-    "babylon": "7.0.0-beta.39",
+    "@babel/code-frame": "7.0.0-beta.40",
+    "@babel/generator": "7.0.0-beta.40",
+    "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.40",
     "debug": "^3.0.1",
     "globals": "^11.1.0",
     "invariant": "^2.2.0",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.39"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index 50ee1a5e4205..6483fd772715 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/types",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "Babel Types is a Lodash-esque utility library for AST nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -14,7 +14,7 @@
     "to-fast-properties": "^2.0.0"
   },
   "devDependencies": {
-    "@babel/generator": "7.0.0-beta.39",
-    "babylon": "7.0.0-beta.39"
+    "@babel/generator": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babylon/package.json b/packages/babylon/package.json
index c3ba740eddd5..5d9a7029f618 100644
--- a/packages/babylon/package.json
+++ b/packages/babylon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "babylon",
-  "version": "7.0.0-beta.39",
+  "version": "7.0.0-beta.40",
   "description": "A JavaScript parser",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -23,7 +23,7 @@
     "node": ">=4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.39",
+    "@babel/helper-fixtures": "7.0.0-beta.40",
     "charcodes": "0.0.10",
     "unicode-10.0.0": "^0.7.4"
   },

From 4d164bd8e663d14489b75bf452a93cf1bff80745 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Tue, 13 Feb 2018 16:44:05 +0100
Subject: [PATCH 015/140] Added babel-helper-split-export-declaration (#7313)

---
 .../package.json                              |  1 +
 .../src/normalize-and-load-metadata.js        | 32 +-------
 .../src/rewrite-live-references.js            |  1 +
 .../.npmignore                                |  3 +
 .../README.md                                 | 23 ++++++
 .../package.json                              | 11 +++
 .../src/index.js                              | 76 +++++++++++++++++++
 .../general/regression-T2983/output.js        |  8 +-
 .../test/fixtures/regression/T2983/output.js  |  8 +-
 .../package.json                              |  1 +
 .../src/index.js                              | 15 +---
 .../test/fixtures/regression/2941/output.js   |  6 +-
 .../spec/export-super-class/output.js         | 14 ++--
 .../fixtures/function-name/export/output.js   |  5 +-
 .../function-name/modules-4/output.js         |  3 +-
 packages/babel-traverse/package.json          |  1 +
 packages/babel-traverse/src/scope/index.js    |  4 +-
 .../babel-traverse/src/scope/lib/renamer.js   | 50 ++++--------
 18 files changed, 158 insertions(+), 104 deletions(-)
 create mode 100644 packages/babel-helper-split-export-declaration/.npmignore
 create mode 100644 packages/babel-helper-split-export-declaration/README.md
 create mode 100644 packages/babel-helper-split-export-declaration/package.json
 create mode 100644 packages/babel-helper-split-export-declaration/src/index.js

diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index 8d544044183e..bf3ab72d145d 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -10,6 +10,7 @@
   "dependencies": {
     "@babel/helper-module-imports": "7.0.0-beta.40",
     "@babel/helper-simple-access": "7.0.0-beta.40",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
     "@babel/template": "7.0.0-beta.40",
     "@babel/types": "7.0.0-beta.40",
     "lodash": "^4.2.0"
diff --git a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
index c937ab5e61f9..0b649b55939e 100644
--- a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
+++ b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
@@ -1,6 +1,6 @@
 import { basename, extname } from "path";
 
-import * as t from "@babel/types";
+import splitExportDeclaration from "@babel/helper-split-export-declaration";
 
 export type ModuleMetadata = {
   exportName: string,
@@ -399,35 +399,7 @@ function nameAnonymousExports(programPath: NodePath) {
   // Name anonymous exported locals.
   programPath.get("body").forEach(child => {
     if (!child.isExportDefaultDeclaration()) return;
-
-    // export default foo;
-    const declaration = child.get("declaration");
-    if (declaration.isFunctionDeclaration()) {
-      if (!declaration.node.id) {
-        declaration.node.id = declaration.scope.generateUidIdentifier(
-          "default",
-        );
-      }
-    } else if (declaration.isClassDeclaration()) {
-      if (!declaration.node.id) {
-        declaration.node.id = declaration.scope.generateUidIdentifier(
-          "default",
-        );
-      }
-    } else {
-      const id = declaration.scope.generateUidIdentifier("default");
-      const namedDecl = t.exportNamedDeclaration(null, [
-        t.exportSpecifier(t.identifier(id.name), t.identifier("default")),
-      ]);
-      namedDecl._blockHoist = child.node._blockHoist;
-
-      const varDecl = t.variableDeclaration("var", [
-        t.variableDeclarator(id, declaration.node),
-      ]);
-      varDecl._blockHoist = child.node._blockHoist;
-
-      child.replaceWithMultiple([namedDecl, varDecl]);
-    }
+    splitExportDeclaration(child);
   });
 }
 
diff --git a/packages/babel-helper-module-transforms/src/rewrite-live-references.js b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
index 484633d75aee..2253a1903eaf 100644
--- a/packages/babel-helper-module-transforms/src/rewrite-live-references.js
+++ b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
@@ -112,6 +112,7 @@ const rewriteBindingInitVisitor = {
 
     Object.keys(path.getOuterBindingIdentifiers()).forEach(localName => {
       const exportNames = exported.get(localName) || [];
+
       if (exportNames.length > 0) {
         const statement = t.expressionStatement(
           buildBindingExportAssignmentExpression(
diff --git a/packages/babel-helper-split-export-declaration/.npmignore b/packages/babel-helper-split-export-declaration/.npmignore
new file mode 100644
index 000000000000..f9806945836e
--- /dev/null
+++ b/packages/babel-helper-split-export-declaration/.npmignore
@@ -0,0 +1,3 @@
+src
+test
+*.log
diff --git a/packages/babel-helper-split-export-declaration/README.md b/packages/babel-helper-split-export-declaration/README.md
new file mode 100644
index 000000000000..195f151e9229
--- /dev/null
+++ b/packages/babel-helper-split-export-declaration/README.md
@@ -0,0 +1,23 @@
+# @babel/helper-split-export-declaration
+
+## API
+
+```js
+declare export default splitExportDeclaration(path: NodePath);
+```
+
+## Usage
+
+```js
+import traverse from "@babel/traverse";
+import splitExportDeclaration from "@babel/helper-split-export-declaration";
+
+// ...
+
+traverse(file, {
+  ExportDefaultDeclaration(path) {
+    if (!path.get("declaration").isClassDeclaration()) return;
+    splitExportDeclaration(path);
+  },
+});
+```
diff --git a/packages/babel-helper-split-export-declaration/package.json b/packages/babel-helper-split-export-declaration/package.json
new file mode 100644
index 000000000000..eb4dd125cfe6
--- /dev/null
+++ b/packages/babel-helper-split-export-declaration/package.json
@@ -0,0 +1,11 @@
+{
+  "name": "@babel/helper-split-export-declaration",
+  "version": "7.0.0-beta.40",
+  "description": "",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-split-export-declaration",
+  "license": "MIT",
+  "main": "lib/index.js",
+  "dependencies": {
+    "@babel/types": "7.0.0-beta.40"
+  }
+}
diff --git a/packages/babel-helper-split-export-declaration/src/index.js b/packages/babel-helper-split-export-declaration/src/index.js
new file mode 100644
index 000000000000..ffbf52243a05
--- /dev/null
+++ b/packages/babel-helper-split-export-declaration/src/index.js
@@ -0,0 +1,76 @@
+import * as t from "@babel/types";
+
+export default function splitExportDeclaration(exportDeclaration) {
+  if (!exportDeclaration.isExportDeclaration()) {
+    throw new Error("Only export declarations can be splitted.");
+  }
+
+  // build specifiers that point back to this export declaration
+  const isDefault = exportDeclaration.isExportDefaultDeclaration();
+  const declaration = exportDeclaration.get("declaration");
+  const isClassDeclaration = declaration.isClassDeclaration();
+
+  if (isDefault) {
+    const standaloneDeclaration =
+      declaration.isFunctionDeclaration() || isClassDeclaration;
+
+    const scope = declaration.isScope()
+      ? declaration.scope.parent
+      : declaration.scope;
+
+    let id = declaration.node.id;
+    let needBindingRegistration = false;
+
+    if (!id) {
+      needBindingRegistration = true;
+
+      id = scope.generateUidIdentifier("default");
+
+      if (
+        standaloneDeclaration ||
+        declaration.isFunctionExpression() ||
+        declaration.isClassExpression()
+      ) {
+        declaration.node.id = t.cloneNode(id);
+      }
+    }
+
+    const updatedDeclaration = standaloneDeclaration
+      ? declaration
+      : t.variableDeclaration("var", [
+          t.variableDeclarator(t.cloneNode(id), declaration.node),
+        ]);
+
+    const updatedExportDeclaration = t.exportNamedDeclaration(null, [
+      t.exportSpecifier(t.cloneNode(id), t.identifier("default")),
+    ]);
+
+    exportDeclaration.insertAfter(updatedExportDeclaration);
+    exportDeclaration.replaceWith(updatedDeclaration);
+
+    if (needBindingRegistration) {
+      scope.registerBinding(
+        isClassDeclaration ? "let" : "var",
+        exportDeclaration,
+      );
+    }
+
+    return exportDeclaration;
+  }
+
+  if (exportDeclaration.get("specifiers").length > 0) {
+    throw new Error("It doesn't make sense to split exported specifiers.");
+  }
+
+  const bindingIdentifiers = declaration.getOuterBindingIdentifiers();
+
+  const specifiers = Object.keys(bindingIdentifiers).map(name => {
+    return t.exportSpecifier(t.identifier(name), t.identifier(name));
+  });
+
+  const aliasDeclar = t.exportNamedDeclaration(null, specifiers);
+
+  exportDeclaration.insertAfter(aliasDeclar);
+  exportDeclaration.replaceWith(declaration.node);
+  return exportDeclaration;
+}
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/general/regression-T2983/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/general/regression-T2983/output.js
index 221316a2f1a6..8eadb530f350 100644
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/general/regression-T2983/output.js
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/general/regression-T2983/output.js
@@ -9,15 +9,15 @@ call((_temp = _class = function _class() {
   value: true
 }), _temp));
 
-var _class2 = function _class2() {
-  babelHelpers.classCallCheck(this, _class2);
+var _default = function _default() {
+  babelHelpers.classCallCheck(this, _default);
 };
 
-Object.defineProperty(_class2, "test", {
+Object.defineProperty(_default, "test", {
   configurable: true,
   enumerable: true,
   writable: true,
   value: true
 });
-export { _class2 as default };
+export { _default as default };
 ;
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/T2983/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/T2983/output.js
index 1ab8d181d835..371191a12b3d 100644
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/T2983/output.js
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/T2983/output.js
@@ -4,10 +4,10 @@ call((_temp = _class = function _class() {
   babelHelpers.classCallCheck(this, _class);
 }, _class.test = true, _temp));
 
-var _class2 = function _class2() {
-  babelHelpers.classCallCheck(this, _class2);
+var _default = function _default() {
+  babelHelpers.classCallCheck(this, _default);
 };
 
-_class2.test = true;
-export { _class2 as default };
+_default.test = true;
+export { _default as default };
 ;
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index 53bb0ba44b15..ae3883dbaea7 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -11,6 +11,7 @@
     "@babel/helper-function-name": "7.0.0-beta.40",
     "@babel/helper-optimise-call-expression": "7.0.0-beta.40",
     "@babel/helper-replace-supers": "7.0.0-beta.40",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
     "globals": "^11.1.0"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-classes/src/index.js b/packages/babel-plugin-transform-classes/src/index.js
index a93fe739edee..15e12512d4d1 100644
--- a/packages/babel-plugin-transform-classes/src/index.js
+++ b/packages/babel-plugin-transform-classes/src/index.js
@@ -2,6 +2,7 @@ import LooseTransformer from "./loose";
 import VanillaTransformer from "./vanilla";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
 import nameFunction from "@babel/helper-function-name";
+import splitExportDeclaration from "@babel/helper-split-export-declaration";
 import { types as t } from "@babel/core";
 import globals from "globals";
 
@@ -24,19 +25,7 @@ export default function(api, options) {
     visitor: {
       ExportDefaultDeclaration(path) {
         if (!path.get("declaration").isClassDeclaration()) return;
-
-        const { node } = path;
-        const ref =
-          node.declaration.id || path.scope.generateUidIdentifier("class");
-        node.declaration.id = ref;
-
-        // Split the class declaration and the export into two separate statements.
-        path.replaceWith(node.declaration);
-        path.insertAfter(
-          t.exportNamedDeclaration(null, [
-            t.exportSpecifier(t.cloneNode(ref), t.identifier("default")),
-          ]),
-        );
+        splitExportDeclaration(path);
       },
 
       ClassDeclaration(path) {
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/regression/2941/output.js b/packages/babel-plugin-transform-classes/test/fixtures/regression/2941/output.js
index 3e311d72a65b..9c148ffe0c53 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/regression/2941/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/regression/2941/output.js
@@ -5,8 +5,8 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports.default = void 0;
 
-var _class = function _class() {
-  babelHelpers.classCallCheck(this, _class);
+var _default = function _default() {
+  babelHelpers.classCallCheck(this, _default);
 };
 
-exports.default = _class;
+exports.default = _default;
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/spec/export-super-class/output.js b/packages/babel-plugin-transform-classes/test/fixtures/spec/export-super-class/output.js
index 736048360798..6aafe37c5ac5 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/spec/export-super-class/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/spec/export-super-class/output.js
@@ -1,14 +1,14 @@
-var _class =
+var _default =
 /*#__PURE__*/
 function (_A) {
-  babelHelpers.inherits(_class, _A);
+  babelHelpers.inherits(_default, _A);
 
-  function _class() {
-    babelHelpers.classCallCheck(this, _class);
-    return babelHelpers.possibleConstructorReturn(this, (_class.__proto__ || Object.getPrototypeOf(_class)).apply(this, arguments));
+  function _default() {
+    babelHelpers.classCallCheck(this, _default);
+    return babelHelpers.possibleConstructorReturn(this, (_default.__proto__ || Object.getPrototypeOf(_default)).apply(this, arguments));
   }
 
-  return _class;
+  return _default;
 }(A);
 
-export { _class as default };
+export { _default as default };
diff --git a/packages/babel-plugin-transform-function-name/test/fixtures/function-name/export/output.js b/packages/babel-plugin-transform-function-name/test/fixtures/function-name/export/output.js
index 1fff013ff663..c686b4d02667 100644
--- a/packages/babel-plugin-transform-function-name/test/fixtures/function-name/export/output.js
+++ b/packages/babel-plugin-transform-function-name/test/fixtures/function-name/export/output.js
@@ -1,13 +1,14 @@
-export { _whatever as whatever };
-export { _wowzers as default };
 var _foo = "yes",
     foob = "no";
 export { _foo as foo, foob };
 
 function _whatever() {}
 
+export { _whatever as whatever };
+
 function _wowzers() {}
 
+export { _wowzers as default };
 var bar = {
   foo: function foo() {
     _foo;
diff --git a/packages/babel-plugin-transform-function-name/test/fixtures/function-name/modules-4/output.js b/packages/babel-plugin-transform-function-name/test/fixtures/function-name/modules-4/output.js
index 9f010a251925..8ce7e6c3c46d 100644
--- a/packages/babel-plugin-transform-function-name/test/fixtures/function-name/modules-4/output.js
+++ b/packages/babel-plugin-transform-function-name/test/fixtures/function-name/modules-4/output.js
@@ -1,7 +1,6 @@
-export { _foo as foo };
-
 function _foo(bar) {}
 
+export { _foo as foo };
 var bar = {
   foo: function foo() {
     _foo;
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index c171a47fe1c2..05159aa2a67f 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -11,6 +11,7 @@
     "@babel/code-frame": "7.0.0-beta.40",
     "@babel/generator": "7.0.0-beta.40",
     "@babel/helper-function-name": "7.0.0-beta.40",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
     "@babel/types": "7.0.0-beta.40",
     "babylon": "7.0.0-beta.40",
     "debug": "^3.0.1",
diff --git a/packages/babel-traverse/src/scope/index.js b/packages/babel-traverse/src/scope/index.js
index 8af703fdc09a..f123d1ac2409 100644
--- a/packages/babel-traverse/src/scope/index.js
+++ b/packages/babel-traverse/src/scope/index.js
@@ -210,7 +210,7 @@ export default class Scope {
    * Generate a unique identifier and add it to the current scope.
    */
 
-  generateDeclaredUidIdentifier(name: string = "temp") {
+  generateDeclaredUidIdentifier(name?: string) {
     const id = this.generateUidIdentifier(name);
     this.push({ id });
     return t.cloneNode(id);
@@ -220,7 +220,7 @@ export default class Scope {
    * Generate a unique identifier.
    */
 
-  generateUidIdentifier(name: string = "temp") {
+  generateUidIdentifier(name?: string) {
     return t.identifier(this.generateUid(name));
   }
 
diff --git a/packages/babel-traverse/src/scope/lib/renamer.js b/packages/babel-traverse/src/scope/lib/renamer.js
index c18c20b1a12e..05b9e807f4c5 100644
--- a/packages/babel-traverse/src/scope/lib/renamer.js
+++ b/packages/babel-traverse/src/scope/lib/renamer.js
@@ -1,4 +1,5 @@
 import Binding from "../binding";
+import splitExportDeclaration from "@babel/helper-split-export-declaration";
 import * as t from "@babel/types";
 
 const renameVisitor = {
@@ -40,48 +41,20 @@ export default class Renamer {
   binding: Binding;
 
   maybeConvertFromExportDeclaration(parentDeclar) {
-    const exportDeclar =
-      parentDeclar.parentPath.isExportDeclaration() && parentDeclar.parentPath;
-    if (!exportDeclar) return;
+    const maybeExportDeclar = parentDeclar.parentPath;
 
-    // build specifiers that point back to this export declaration
-    const isDefault = exportDeclar.isExportDefaultDeclaration();
+    if (!maybeExportDeclar.isExportDeclaration()) {
+      return;
+    }
 
     if (
-      isDefault &&
-      (parentDeclar.isFunctionDeclaration() ||
-        parentDeclar.isClassDeclaration()) &&
-      !parentDeclar.node.id
+      maybeExportDeclar.isExportDefaultDeclaration() &&
+      !maybeExportDeclar.get("declaration").node.id
     ) {
-      // Ensure that default class and function exports have a name so they have a identifier to
-      // reference from the export specifier list.
-      parentDeclar.node.id = parentDeclar.scope.generateUidIdentifier(
-        "default",
-      );
-    }
-
-    const bindingIdentifiers = parentDeclar.getOuterBindingIdentifiers();
-    const specifiers = [];
-
-    for (const name in bindingIdentifiers) {
-      const localName = name === this.oldName ? this.newName : name;
-      const exportedName = isDefault ? "default" : name;
-      specifiers.push(
-        t.exportSpecifier(t.identifier(localName), t.identifier(exportedName)),
-      );
+      return;
     }
 
-    if (specifiers.length) {
-      const aliasDeclar = t.exportNamedDeclaration(null, specifiers);
-
-      // hoist to the top if it's a function
-      if (parentDeclar.isFunctionDeclaration()) {
-        aliasDeclar._blockHoist = 3;
-      }
-
-      exportDeclar.insertAfter(aliasDeclar);
-      exportDeclar.replaceWith(parentDeclar.node);
-    }
+    splitExportDeclaration(maybeExportDeclar);
   }
 
   maybeConvertFromClassFunctionDeclaration(path) {
@@ -129,7 +102,10 @@ export default class Renamer {
     const { scope, path } = binding;
 
     const parentDeclar = path.find(
-      path => path.isDeclaration() || path.isFunctionExpression(),
+      path =>
+        path.isDeclaration() ||
+        path.isFunctionExpression() ||
+        path.isClassExpression(),
     );
     if (parentDeclar) {
       this.maybeConvertFromExportDeclaration(parentDeclar);

From 6aed8e944f3b1f6710a029e843d0edc72daef9e4 Mon Sep 17 00:00:00 2001
From: Raja Sekar <rajasekar89be@gmail.com>
Date: Tue, 13 Feb 2018 21:47:19 +0530
Subject: [PATCH 016/140] updated node debugger usage command in test (#7376)
 [skip ci]

---
 scripts/test.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/test.sh b/scripts/test.sh
index 017e24c57227..33c6a63c56be 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -8,7 +8,7 @@ fi
 node="node"
 
 if [ "$TEST_DEBUG" ]; then
-   node="node --inspect --debug-brk"
+   node="node --inspect-brk"
 fi
 
 $node node_modules/mocha/bin/_mocha `scripts/_get-test-directories.sh` --opts test/mocha.opts --grep "$TEST_GREP"

From 128fc6864e59e214500ca020ad6297cb15d87062 Mon Sep 17 00:00:00 2001
From: Justin Falcone <stanulam59@gmail.com>
Date: Wed, 14 Feb 2018 11:40:39 -0500
Subject: [PATCH 017/140] Link generator readme to Babylon AST spec [skip ci]
 (#7380)

---
 packages/babel-generator/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-generator/README.md b/packages/babel-generator/README.md
index 6d461291c114..bc847715d075 100644
--- a/packages/babel-generator/README.md
+++ b/packages/babel-generator/README.md
@@ -1,6 +1,6 @@
 # @babel/generator
 
-> Turns an AST into code.
+> Turns a [Babylon AST](https://github.com/babel/babel/blob/master/packages/babylon/ast/spec.md) into code.
 
 ## Install
 

From e732ee0c5b66b67e9d7e2dabba986c30be3396a8 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Wed, 14 Feb 2018 10:17:27 -0800
Subject: [PATCH 018/140] Preserve import binding locations during module
 rewriting (#7378)

* Only wrap import references that need it.

* Preserve the import binding location for sourcemaps.

* Add tests.
---
 .../src/rewrite-live-references.js            |   8 +-
 .../auxiliary-comment/overview/output.js      |  34 +++-
 .../misc/reference-source-map/input.js        |  14 ++
 .../misc/reference-source-map/options.json    |   3 +
 .../misc/reference-source-map/output.js       |  17 ++
 .../reference-source-map/source-mappings.json | 162 ++++++++++++++++++
 6 files changed, 232 insertions(+), 6 deletions(-)
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/input.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/options.json
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/source-mappings.json

diff --git a/packages/babel-helper-module-transforms/src/rewrite-live-references.js b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
index 2253a1903eaf..62c7ddf8d19f 100644
--- a/packages/babel-helper-module-transforms/src/rewrite-live-references.js
+++ b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
@@ -181,7 +181,13 @@ const rewriteReferencesVisitor = {
     if (importData) {
       const ref = buildImportReference(importData, path.node);
 
-      if (path.parentPath.isCallExpression({ callee: path.node })) {
+      // Preserve the binding location so that sourcemaps are nicer.
+      ref.loc = path.node.loc;
+
+      if (
+        path.parentPath.isCallExpression({ callee: path.node }) &&
+        t.isMemberExpression(ref)
+      ) {
         path.replaceWith(t.sequenceExpression([t.numericLiteral(0), ref]));
       } else if (path.isJSXIdentifier() && t.isMemberExpression(ref)) {
         const { object, property } = ref;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
index 5ce665047068..6d16e52641ad 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
@@ -61,25 +61,49 @@ exports.test2 = test2;
 /*after*/
 
 /*before*/
-(0, _foo4.bar)
+(0,
+/*after*/
+
+/*before*/
+_foo4
+/*after*/
+.
+/*before*/
+bar)
 /*after*/
 (
 /*before*/
-_foo2.default
+_foo2
+/*after*/
+.
+/*before*/
+default
 /*after*/
 ,
 /*before*/
-_foo5.foo
+_foo5
+/*after*/
+.
+/*before*/
+foo
 /*after*/
 );
 /* my comment */
 
 /*before*/
-_foo5.foo
+_foo5
+/*after*/
+.
+/*before*/
+foo
 /*after*/
 ;
 
 /*before*/
-_foo2.default
+_foo2
+/*after*/
+.
+/*before*/
+default
 /*after*/
 ;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/input.js
new file mode 100644
index 000000000000..b85fcb659efb
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/input.js
@@ -0,0 +1,14 @@
+import aDefault from "one";
+import { aNamed } from "two";
+import { orig as anAliased } from "three";
+import * as aNamespace from "four";
+
+console.log(aDefault);
+console.log(aNamed);
+console.log(anAliased);
+console.log(aNamespace);
+
+console.log(aDefault());
+console.log(aNamed());
+console.log(anAliased());
+console.log(aNamespace());
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/options.json
new file mode 100644
index 000000000000..e38115115dca
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["external-helpers", "transform-modules-commonjs"]
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
new file mode 100644
index 000000000000..b09c24ce46c9
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
@@ -0,0 +1,17 @@
+"use strict";
+
+var _one = babelHelpers.interopRequireDefault(require("one"));
+
+var _two = require("two");
+
+var _three = require("three");
+
+var aNamespace = babelHelpers.interopRequireWildcard(require("four"));
+console.log(_one.default);
+console.log(_two.aNamed);
+console.log(_three.orig);
+console.log(aNamespace);
+console.log((0, _one.default)());
+console.log((0, _two.aNamed)());
+console.log((0, _three.orig)());
+console.log(aNamespace());
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/source-mappings.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/source-mappings.json
new file mode 100644
index 000000000000..c26d511a52a0
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/source-mappings.json
@@ -0,0 +1,162 @@
+[
+  {
+    "generated": {
+      "line": 10,
+      "column": 12
+    },
+    "original": {
+      "line": 6,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 10,
+      "column": 23
+    },
+    "original": {
+      "line": 6,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 11,
+      "column": 12
+    },
+    "original": {
+      "line": 7,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 11,
+      "column": 22
+    },
+    "original": {
+      "line": 7,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 12,
+      "column": 12
+    },
+    "original": {
+      "line": 8,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 12,
+      "column": 22
+    },
+    "original": {
+      "line": 8,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 13,
+      "column": 12
+    },
+    "original": {
+      "line": 9,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 13,
+      "column": 21
+    },
+    "original": {
+      "line": 9,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 14,
+      "column": 16
+    },
+    "original": {
+      "line": 11,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 14,
+      "column": 27
+    },
+    "original": {
+      "line": 11,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 15,
+      "column": 16
+    },
+    "original": {
+      "line": 12,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 15,
+      "column": 26
+    },
+    "original": {
+      "line": 12,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 16,
+      "column": 16
+    },
+    "original": {
+      "line": 13,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 16,
+      "column": 26
+    },
+    "original": {
+      "line": 13,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 17,
+      "column": 12
+    },
+    "original": {
+      "line": 14,
+      "column": 12
+    }
+  },
+  {
+    "generated": {
+      "line": 17,
+      "column": 21
+    },
+    "original": {
+      "line": 14,
+      "column": 12
+    }
+  }
+]

From ee6dfd158058203f7051a8dde9f5085355ea7e8e Mon Sep 17 00:00:00 2001
From: Andrea Puddu <me@nuragic.io>
Date: Sat, 17 Feb 2018 02:06:17 +0100
Subject: [PATCH 019/140] Fix object spread according to spec (#7034)

---
 packages/babel-helpers/src/helpers.js         | 20 ++++++++++
 .../README.md                                 | 22 +++++++++-
 .../src/index.js                              | 24 ++++++-----
 .../object-spread/assignment/output.js        |  8 ++--
 .../object-spread/expression/input.js         |  6 +++
 .../object-spread/expression/output.js        | 19 ++++++++-
 .../loose-mode-builtins/input.js              |  3 ++
 .../loose-mode-builtins/options.json          |  5 +++
 .../loose-mode-builtins/output.js             |  7 ++++
 .../object-spread/loose-mode/input.js         |  3 ++
 .../object-spread/loose-mode/options.json     |  5 +++
 .../object-spread/loose-mode/output.js        |  9 +++++
 .../no-object-assign-exec/exec.js             | 40 +++++++++++++++++++
 .../variable-declaration/output.js            |  6 ++-
 .../assignment-invalid-option/input.js        |  1 -
 .../assignment-invalid-option/options.json    |  4 --
 .../useBuiltIns/assignment-true/input.js      |  1 -
 .../useBuiltIns/assignment-true/output.js     |  3 --
 .../test/fixtures/useBuiltIns/options.json    |  3 --
 .../output.js                                 |  6 ++-
 .../output.js                                 | 12 ++++--
 .../preset-options/shippedProposals/output.js |  6 ++-
 22 files changed, 177 insertions(+), 36 deletions(-)
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/options.json
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/output.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/options.json
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/output.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/no-object-assign-exec/exec.js
 delete mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/input.js
 delete mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/options.json
 delete mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/input.js
 delete mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/output.js
 delete mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/options.json

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 3f0689e8ba1d..6d4d84850d96 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -374,6 +374,26 @@ helpers.extends = defineHelper(`
   }
 `);
 
+helpers.objectSpread = defineHelper(`
+  import defineProperty from "defineProperty";
+
+  export default function _objectSpread(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = (arguments[i] != null) ? arguments[i] : {};
+      var ownKeys = Object.keys(source);
+      if (typeof Object.getOwnPropertySymbols === 'function') {
+        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
+          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
+        }));
+      }
+      ownKeys.forEach(function(key) {
+        defineProperty(target, key, source[key]);
+      });
+    }
+    return target;
+  }
+`);
+
 helpers.get = defineHelper(`
   export default function _get(object, property, receiver) {
     if (object === null) object = Function.prototype;
diff --git a/packages/babel-plugin-proposal-object-rest-spread/README.md b/packages/babel-plugin-proposal-object-rest-spread/README.md
index f5beaa4df981..dbfd69da1516 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/README.md
+++ b/packages/babel-plugin-proposal-object-rest-spread/README.md
@@ -54,18 +54,34 @@ require("@babel/core").transform("code", {
 
 ## Options
 
+By default, this plugin will produce spec compliant code. The Babel's `objectSpread` helper will be used.
+
+### `loose`
+
+`boolean`, defaults to `false`.
+
+Enabling this option will use Babel's `extends` helper, which is basically the same as `Object.assign` (see `useBuiltIns` below to use it directly).
+
+:warning: Please take in mind that even if they're almost equivalent, there's an important difference between spread and `Object.assign`: to summarize, **spread defines new properties, while `Object.assign()` sets them**, so using this mode might produce unexpected results in some case.
+
+For detailed information please check out [Spread VS. Object.assign](http://2ality.com/2016/10/rest-spread-properties.html#spreading-objects-versus-objectassign) and [Assigning VS. defining properties](http://exploringjs.com/es6/ch_oop-besides-classes.html#sec_assigning-vs-defining-properties).
+
+
 ### `useBuiltIns`
 
 `boolean`, defaults to `false`.
 
-By default, this plugin uses Babel's `extends` helper which polyfills `Object.assign`. Enabling this option will use `Object.assign` directly.
+Enabling this option will use `Object.assign` directly instead of the Babel's `extends` helper. Keep in mind that this flag only applies when `loose: true`.
+
+
+##### Example
 
 **.babelrc**
 
 ```json
 {
   "plugins": [
-    ["@babel/plugin-proposal-object-rest-spread", { "useBuiltIns": true }]
+    ["@babel/plugin-proposal-object-rest-spread", { "loose": true, "useBuiltIns": true }]
   ]
 }
 ```
@@ -86,3 +102,5 @@ z = Object.assign({ x }, y);
 
 * [Proposal: Object Rest/Spread Properties for ECMAScript](https://github.com/sebmarkbage/ecmascript-rest-spread)
 * [Spec](http://sebmarkbage.github.io/ecmascript-rest-spread)
+* [Spread VS. Object.assign](http://2ality.com/2016/10/rest-spread-properties.html#spreading-objects-versus-objectassign)
+* [Assigning VS. defining properties](http://exploringjs.com/es6/ch_oop-besides-classes.html#sec_assigning-vs-defining-properties)
diff --git a/packages/babel-plugin-proposal-object-rest-spread/src/index.js b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
index 7b9d854555fe..1ac3b3af3b8c 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
@@ -2,9 +2,10 @@ import syntaxObjectRestSpread from "@babel/plugin-syntax-object-rest-spread";
 import { types as t } from "@babel/core";
 
 export default function(api, opts) {
-  const { useBuiltIns = false } = opts;
-  if (typeof useBuiltIns !== "boolean") {
-    throw new Error(".useBuiltIns must be a boolean, or undefined");
+  const { useBuiltIns = false, loose = false } = opts;
+
+  if (typeof loose !== "boolean") {
+    throw new Error(".loose must be a boolean, or undefined");
   }
 
   function hasRestElement(path) {
@@ -366,6 +367,10 @@ export default function(api, opts) {
           props = [];
         }
 
+        if (t.isSpreadElement(path.node.properties[0])) {
+          args.push(t.objectExpression([]));
+        }
+
         for (const prop of (path.node.properties: Array)) {
           if (t.isSpreadElement(prop)) {
             push();
@@ -377,14 +382,15 @@ export default function(api, opts) {
 
         push();
 
-        if (!t.isObjectExpression(args[0])) {
-          args.unshift(t.objectExpression([]));
+        let helper;
+        if (loose) {
+          helper = useBuiltIns
+            ? t.memberExpression(t.identifier("Object"), t.identifier("assign"))
+            : file.addHelper("extends");
+        } else {
+          helper = file.addHelper("objectSpread");
         }
 
-        const helper = useBuiltIns
-          ? t.memberExpression(t.identifier("Object"), t.identifier("assign"))
-          : file.addHelper("extends");
-
         path.replaceWith(t.callExpression(helper, args));
       },
     },
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/assignment/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/assignment/output.js
index b5926abf94ca..33939f0e4622 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/assignment/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/assignment/output.js
@@ -1,9 +1,11 @@
-function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
 
-z = _extends({
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+z = _objectSpread({
   x
 }, y);
 z = {
   x,
-  w: _extends({}, y)
+  w: _objectSpread({}, y)
 };
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/input.js
index e03ef8bdb2f5..2fd31d2ffdac 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/input.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/input.js
@@ -1 +1,7 @@
 ({ x, ...y, a, ...b, c });
+
+({ ...Object.prototype });
+
+({ ...{ foo: 'bar' } });
+
+({ ...{ get foo () { return 'foo' } } });
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/output.js
index 5d69448744d1..11eb0dfa987d 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/output.js
@@ -1,9 +1,24 @@
-function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
 
-_extends({
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+_objectSpread({
   x
 }, y, {
   a
 }, b, {
   c
 });
+
+_objectSpread({}, Object.prototype);
+
+_objectSpread({}, {
+  foo: 'bar'
+});
+
+_objectSpread({}, {
+  get foo() {
+    return 'foo';
+  }
+
+});
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/input.js
new file mode 100644
index 000000000000..6f0367fb7c70
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/input.js
@@ -0,0 +1,3 @@
+z = { x, ...y };
+
+z = { x, w: { ...y } };
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/options.json b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/options.json
new file mode 100644
index 000000000000..9adc9bd0890d
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [
+    ["proposal-object-rest-spread", { "loose": true, "useBuiltIns": true }]
+  ]
+}
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/output.js
new file mode 100644
index 000000000000..457fa6a6069d
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode-builtins/output.js
@@ -0,0 +1,7 @@
+z = Object.assign({
+  x
+}, y);
+z = {
+  x,
+  w: Object.assign({}, y)
+};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/input.js
new file mode 100644
index 000000000000..6f0367fb7c70
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/input.js
@@ -0,0 +1,3 @@
+z = { x, ...y };
+
+z = { x, w: { ...y } };
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/options.json b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/options.json
new file mode 100644
index 000000000000..7f3c40b6a6e8
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [
+    ["proposal-object-rest-spread", { "loose": true }]
+  ]
+}
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/output.js
new file mode 100644
index 000000000000..b5926abf94ca
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/loose-mode/output.js
@@ -0,0 +1,9 @@
+function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+z = _extends({
+  x
+}, y);
+z = {
+  x,
+  w: _extends({}, y)
+};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/no-object-assign-exec/exec.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/no-object-assign-exec/exec.js
new file mode 100644
index 000000000000..c3115b2ba17d
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/no-object-assign-exec/exec.js
@@ -0,0 +1,40 @@
+Object.defineProperty(Object.prototype, 'NOSET', {
+  set(value) {
+    // noop
+  },
+});
+
+Object.defineProperty(Object.prototype, 'NOWRITE', {
+  writable: false,
+  value: 'abc',
+});
+
+const obj = { NOSET: 123 };
+// this wouldn't work as expected if transformed as Object.assign (or equivalent)
+// because those trigger object setters (spread don't)
+const objSpread = { ...obj };
+
+const obj2 = { NOSET: 123, NOWRITE: 456 };
+// this line would throw `TypeError: Cannot assign to read only property 'NOWRITE'`
+// if transformed as Object.assign (or equivalent) because those use *assignment* for creating properties
+// (spread defines them)
+const obj2Spread = { ...obj2 };
+
+assert.deepEqual(obj, objSpread);
+assert.deepEqual(obj2, obj2Spread);
+
+const KEY = Symbol('key');
+const obj3Spread = { ...{ get foo () { return 'bar' } }, [KEY]: 'symbol' };
+assert.equal(Object.getOwnPropertyDescriptor(obj3Spread, 'foo').value, 'bar');
+assert.equal(Object.getOwnPropertyDescriptor(obj3Spread, KEY).value, 'symbol');
+
+const obj4Spread = { ...Object.prototype };
+assert.isUndefined(Object.getOwnPropertyDescriptor(obj4Spread, 'hasOwnProperty'));
+
+assert.doesNotThrow(() => ({ ...null, ...undefined }));
+
+const o = Object.create(null);
+o.a = 'foo';
+o.__proto__ = [];
+const o2 = { ...o };
+assert.equal(false, Array.isArray(Object.getPrototypeOf(o2)));
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/variable-declaration/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/variable-declaration/output.js
index 73be92643eb7..0bfa38715a44 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/variable-declaration/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/variable-declaration/output.js
@@ -1,3 +1,5 @@
-function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
 
-var z = _extends({}, x);
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+var z = _objectSpread({}, x);
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/input.js
deleted file mode 100644
index 8d610842d85f..000000000000
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/input.js
+++ /dev/null
@@ -1 +0,0 @@
-z = { x, ...y };
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/options.json b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/options.json
deleted file mode 100644
index b3c8b7856dca..000000000000
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-invalid-option/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "plugins": [["proposal-object-rest-spread", { "useBuiltIns": "invalidOption" }]],
-  "throws": ".useBuiltIns must be a boolean, or undefined"
-}
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/input.js
deleted file mode 100644
index 8d610842d85f..000000000000
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/input.js
+++ /dev/null
@@ -1 +0,0 @@
-z = { x, ...y };
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/output.js
deleted file mode 100644
index 0bf9ce91beac..000000000000
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/assignment-true/output.js
+++ /dev/null
@@ -1,3 +0,0 @@
-z = Object.assign({
-  x
-}, y);
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/options.json b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/options.json
deleted file mode 100644
index 6efcc3ceb44d..000000000000
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/useBuiltIns/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-object-rest-spread", { "useBuiltIns": true }]]
-}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
index af88590c7430..1b0051382cab 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
@@ -14,6 +14,10 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
 function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
 
 var _x$y$a$b = {
@@ -26,7 +30,7 @@ var _x$y$a$b = {
     y = _x$y$a$b.y,
     z = _objectWithoutProperties(_x$y$a$b, ["x", "y"]);
 
-var n = Object.assign({
+var n = _objectSpread({
   x: x,
   y: y
 }, z);
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
index 8ad03ca549e2..e8e7ce4a519e 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
@@ -6,9 +6,11 @@ require("core-js/modules/es6.symbol");
 
 require("core-js/modules/es6.promise");
 
-require("core-js/modules/es6.array.index-of");
+require("core-js/modules/es6.array.for-each");
+
+require("core-js/modules/es6.array.filter");
 
-require("core-js/modules/es6.object.assign");
+require("core-js/modules/es6.array.index-of");
 
 function _awaitAsyncGenerator(value) { return new _AwaitValue(value); }
 
@@ -26,6 +28,10 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
 function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
 
 var _x$y$a$b = {
@@ -38,7 +44,7 @@ var _x$y$a$b = {
     y = _x$y$a$b.y,
     z = _objectWithoutProperties(_x$y$a$b, ["x", "y"]);
 
-var n = Object.assign({
+var n = _objectSpread({
   x: x,
   y: y
 }, z);
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
index 4088c6e0c315..1b0051382cab 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
@@ -14,7 +14,9 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
-function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
 function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
 
@@ -28,7 +30,7 @@ var _x$y$a$b = {
     y = _x$y$a$b.y,
     z = _objectWithoutProperties(_x$y$a$b, ["x", "y"]);
 
-var n = _extends({
+var n = _objectSpread({
   x: x,
   y: y
 }, z);

From 6cbc585cf45b18b61bfae0e6935e769f9486b117 Mon Sep 17 00:00:00 2001
From: James Reggio <james.reggio@gmail.com>
Date: Fri, 16 Feb 2018 21:19:09 -0500
Subject: [PATCH 020/140] Fix over-zealous traversal by object-rest-spread
 (#7388)

Prior to this change, we'd conduct an open-ended traversal on the 'id'
of any VariableDeclarator to find a RestElement. The 'id' of
a VariableDeclarator can contain an AssignmentPattern (to supply
a default value), and if the right-hand side of the AssignmentPattern
contained a RestElement, we'd transform it.

The problem here is that the right-hand side of an AssignmentPattern can
be *any* Expression. If the right-hand side is a function body, we'd
traverse the entire function body, and if a RestElement occurred
anywhere in that function body, we'd transform it and emit the
transformations wherever we began the traversal (at least one scope
outside its usage).

The fix is to stop the inner traversal if we encounter an
AssignmentPattern. The outer traversal will still visit the
AssignmentPattern, so RestElements within the right-hand side of an
AssignmentPattern will be properly transformed at that time.
---
 .../src/index.js                                  |  6 ++++++
 .../test/fixtures/regression/gh-7388/input.js     | 12 ++++++++++++
 .../test/fixtures/regression/gh-7388/output.js    | 15 +++++++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/output.js

diff --git a/packages/babel-plugin-proposal-object-rest-spread/src/index.js b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
index 1ac3b3af3b8c..2bf068e21e0e 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
@@ -150,6 +150,12 @@ export default function(api, opts) {
 
         path.get("id").traverse(
           {
+            // If there's a default-value AssignmentPattern within the ObjectPattern,
+            // we should not traverse into it, lest we end up in another function body.
+            // (The parent traversal will handle it.)
+            AssignmentPattern(path) {
+              path.skip();
+            },
             RestElement(path) {
               if (!path.parentPath.isObjectPattern()) {
                 // Return early if the parent is not an ObjectPattern, but
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/input.js
new file mode 100644
index 000000000000..a311921880c3
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/input.js
@@ -0,0 +1,12 @@
+function fn0(obj0) {
+  const {
+    fn1 = (obj1 = {}) => {
+      const {
+        fn2 = (obj2 = {}) => {
+          const {a, ...rest} = obj2;
+          console.log(rest);
+        }
+      } = obj1;
+    }
+  } = obj0;
+}
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/output.js
new file mode 100644
index 000000000000..97254741cbea
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7388/output.js
@@ -0,0 +1,15 @@
+function fn0(obj0) {
+  const {
+    fn1 = (obj1 = {}) => {
+      const {
+        fn2 = (obj2 = {}) => {
+          const {
+            a
+          } = obj2,
+                rest = babelHelpers.objectWithoutProperties(obj2, ["a"]);
+          console.log(rest);
+        }
+      } = obj1;
+    }
+  } = obj0;
+}

From 4d17a96d5002afee16653dcf480fc80c90080527 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 16 Feb 2018 20:56:21 -0600
Subject: [PATCH 021/140] Minor object-rest-spread README tweaks [skip ci]

---
 packages/babel-plugin-proposal-object-rest-spread/README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/babel-plugin-proposal-object-rest-spread/README.md b/packages/babel-plugin-proposal-object-rest-spread/README.md
index dbfd69da1516..96da7f039822 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/README.md
+++ b/packages/babel-plugin-proposal-object-rest-spread/README.md
@@ -54,7 +54,7 @@ require("@babel/core").transform("code", {
 
 ## Options
 
-By default, this plugin will produce spec compliant code. The Babel's `objectSpread` helper will be used.
+By default, this plugin will produce spec compliant code by using Babel's `objectSpread` helper.
 
 ### `loose`
 
@@ -62,7 +62,7 @@ By default, this plugin will produce spec compliant code. The Babel's `objectSpr
 
 Enabling this option will use Babel's `extends` helper, which is basically the same as `Object.assign` (see `useBuiltIns` below to use it directly).
 
-:warning: Please take in mind that even if they're almost equivalent, there's an important difference between spread and `Object.assign`: to summarize, **spread defines new properties, while `Object.assign()` sets them**, so using this mode might produce unexpected results in some case.
+:warning: Please keep in mind that even if they're almost equivalent, there's an important difference between spread and `Object.assign`: **spread _defines_ new properties, while `Object.assign()` _sets_ them**, so using this mode might produce unexpected results in some cases.
 
 For detailed information please check out [Spread VS. Object.assign](http://2ality.com/2016/10/rest-spread-properties.html#spreading-objects-versus-objectassign) and [Assigning VS. defining properties](http://exploringjs.com/es6/ch_oop-besides-classes.html#sec_assigning-vs-defining-properties).
 

From 3d49766f6bf1ca2879e275adfb6580dd5d26f538 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Sat, 17 Feb 2018 16:22:38 +0100
Subject: [PATCH 022/140] Don't extract rest elements from nested expressions
 (#7364)

* Don't extract rest elements from nested expressions

* Node 4
---
 .../src/index.js                              | 213 +++++++++---------
 .../object-rest/nested-computed-key/input.js  |   6 +
 .../object-rest/nested-computed-key/output.js |   9 +
 .../object-rest/nested-default-value/input.js |   6 +
 .../nested-default-value/output.js            |   9 +
 .../fixtures/object-rest/nested-order/exec.js |  21 ++
 .../object-rest/nested-order/input.js         |   1 +
 .../object-rest/nested-order/output.js        |   3 +
 8 files changed, 163 insertions(+), 105 deletions(-)
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/exec.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/input.js
 create mode 100644 packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js

diff --git a/packages/babel-plugin-proposal-object-rest-spread/src/index.js b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
index 2bf068e21e0e..f4941e5f5f24 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
@@ -10,13 +10,28 @@ export default function(api, opts) {
 
   function hasRestElement(path) {
     let foundRestElement = false;
+    visitRestElements(path, () => {
+      foundRestElement = true;
+      path.stop();
+    });
+    return foundRestElement;
+  }
+
+  function visitRestElements(path, visitor) {
     path.traverse({
-      RestElement() {
-        foundRestElement = true;
-        path.stop();
+      Expression(path) {
+        const parentType = path.parent.type;
+        if (
+          (parentType == "AssignmentPattern" && path.key === "right") ||
+          (parentType == "ObjectProperty" &&
+            path.parent.computed &&
+            path.key === "key")
+        ) {
+          path.skip();
+        }
       },
+      RestElement: visitor,
     });
-    return foundRestElement;
   }
 
   function hasSpread(node) {
@@ -147,114 +162,102 @@ export default function(api, opts) {
         }
 
         let insertionPath = path;
+        const originalPath = path;
+
+        visitRestElements(path.get("id"), path => {
+          if (!path.parentPath.isObjectPattern()) {
+            // Return early if the parent is not an ObjectPattern, but
+            // (for example) an ArrayPattern or Function, because that
+            // means this RestElement is an not an object property.
+            return;
+          }
 
-        path.get("id").traverse(
-          {
-            // If there's a default-value AssignmentPattern within the ObjectPattern,
-            // we should not traverse into it, lest we end up in another function body.
-            // (The parent traversal will handle it.)
-            AssignmentPattern(path) {
-              path.skip();
-            },
-            RestElement(path) {
-              if (!path.parentPath.isObjectPattern()) {
-                // Return early if the parent is not an ObjectPattern, but
-                // (for example) an ArrayPattern or Function, because that
-                // means this RestElement is an not an object property.
-                return;
-              }
-
-              if (
-                // skip single-property case, e.g.
-                // const { ...x } = foo();
-                // since the RHS will not be duplicated
-                this.originalPath.node.id.properties.length > 1 &&
-                !t.isIdentifier(this.originalPath.node.init)
-              ) {
-                // const { a, ...b } = foo();
-                // to avoid calling foo() twice, as a first step convert it to:
-                // const _foo = foo(),
-                //       { a, ...b } = _foo;
-                const initRef = path.scope.generateUidIdentifierBasedOnNode(
-                  this.originalPath.node.init,
-                  "ref",
-                );
-                // insert _foo = foo()
-                this.originalPath.insertBefore(
-                  t.variableDeclarator(initRef, this.originalPath.node.init),
-                );
-                // replace foo() with _foo
-                this.originalPath.replaceWith(
-                  t.variableDeclarator(
-                    this.originalPath.node.id,
-                    t.cloneNode(initRef),
-                  ),
-                );
-
-                return;
-              }
-
-              let ref = this.originalPath.node.init;
-              const refPropertyPath = [];
-              let kind;
-
-              path.findParent(path => {
-                if (path.isObjectProperty()) {
-                  refPropertyPath.unshift(path.node.key.name);
-                } else if (path.isVariableDeclarator()) {
-                  kind = path.parentPath.node.kind;
-                  return true;
-                }
-              });
-
-              if (refPropertyPath.length) {
-                refPropertyPath.forEach(prop => {
-                  ref = t.memberExpression(ref, t.identifier(prop));
-                });
-              }
-
-              const objectPatternPath = path.findParent(path =>
-                path.isObjectPattern(),
-              );
-              const [
-                impureComputedPropertyDeclarators,
-                argument,
-                callExpression,
-              ] = createObjectSpread(objectPatternPath, file, ref);
-
-              t.assertIdentifier(argument);
-
-              insertionPath.insertBefore(impureComputedPropertyDeclarators);
-
-              insertionPath.insertAfter(
-                t.variableDeclarator(argument, callExpression),
-              );
-
-              insertionPath = insertionPath.getSibling(insertionPath.key + 1);
-
-              path.scope.registerBinding(kind, insertionPath);
-
-              if (objectPatternPath.node.properties.length === 0) {
-                objectPatternPath
-                  .findParent(
-                    path =>
-                      path.isObjectProperty() || path.isVariableDeclarator(),
-                  )
-                  .remove();
-              }
-            },
-          },
-          {
-            originalPath: path,
-          },
-        );
+          if (
+            // skip single-property case, e.g.
+            // const { ...x } = foo();
+            // since the RHS will not be duplicated
+            originalPath.node.id.properties.length > 1 &&
+            !t.isIdentifier(originalPath.node.init)
+          ) {
+            // const { a, ...b } = foo();
+            // to avoid calling foo() twice, as a first step convert it to:
+            // const _foo = foo(),
+            //       { a, ...b } = _foo;
+            const initRef = path.scope.generateUidIdentifierBasedOnNode(
+              originalPath.node.init,
+              "ref",
+            );
+            // insert _foo = foo()
+            originalPath.insertBefore(
+              t.variableDeclarator(initRef, originalPath.node.init),
+            );
+            // replace foo() with _foo
+            originalPath.replaceWith(
+              t.variableDeclarator(originalPath.node.id, t.cloneNode(initRef)),
+            );
+
+            return;
+          }
+
+          let ref = originalPath.node.init;
+          const refPropertyPath = [];
+          let kind;
+
+          path.findParent(path => {
+            if (path.isObjectProperty()) {
+              refPropertyPath.unshift(path.node.key.name);
+            } else if (path.isVariableDeclarator()) {
+              kind = path.parentPath.node.kind;
+              return true;
+            }
+          });
+
+          if (refPropertyPath.length) {
+            refPropertyPath.forEach(prop => {
+              ref = t.memberExpression(ref, t.identifier(prop));
+            });
+          }
+
+          const objectPatternPath = path.findParent(path =>
+            path.isObjectPattern(),
+          );
+          const [
+            impureComputedPropertyDeclarators,
+            argument,
+            callExpression,
+          ] = createObjectSpread(objectPatternPath, file, ref);
+
+          t.assertIdentifier(argument);
+
+          insertionPath.insertBefore(impureComputedPropertyDeclarators);
+
+          insertionPath.insertAfter(
+            t.variableDeclarator(argument, callExpression),
+          );
+
+          insertionPath = insertionPath.getSibling(insertionPath.key + 1);
+
+          path.scope.registerBinding(kind, insertionPath);
+
+          if (objectPatternPath.node.properties.length === 0) {
+            objectPatternPath
+              .findParent(
+                path => path.isObjectProperty() || path.isVariableDeclarator(),
+              )
+              .remove();
+          }
+        });
       },
       // taken from transform-destructuring/src/index.js#visitor
       // export var { a, ...b } = c;
       ExportNamedDeclaration(path) {
         const declaration = path.get("declaration");
         if (!declaration.isVariableDeclaration()) return;
-        if (!hasRestElement(declaration)) return;
+
+        const hasRest = declaration
+          .get("declarations")
+          .some(path => hasRestElement(path.get("id")));
+        if (!hasRest) return;
 
         const specifiers = [];
 
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/input.js
new file mode 100644
index 000000000000..74d87a14954b
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/input.js
@@ -0,0 +1,6 @@
+const {
+  [({ ...rest }) => {
+    let { ...b } = {};
+  }]: a,
+  [({ ...d } = {})]: c,
+} = {};
\ No newline at end of file
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
new file mode 100644
index 000000000000..dbc67adecf8c
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
@@ -0,0 +1,9 @@
+var _ref2;
+
+const {
+  [(_ref) => {
+    let rest = babelHelpers.objectWithoutProperties(_ref, []);
+    let b = babelHelpers.objectWithoutProperties({}, []);
+  }]: a,
+  [(_ref2 = {}, ({} = _ref2), d = babelHelpers.objectWithoutProperties(_ref2, []), _ref2)]: c
+} = {};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/input.js
new file mode 100644
index 000000000000..7537d685b3d8
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/input.js
@@ -0,0 +1,6 @@
+const {
+  a = ({ ...rest }) => {
+    let { ...b } = {};
+  },
+  c = ({ ...d } = {}),
+} = {};
\ No newline at end of file
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
new file mode 100644
index 000000000000..b166fdc5d927
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
@@ -0,0 +1,9 @@
+var _ref2;
+
+const {
+  a = (_ref) => {
+    let rest = babelHelpers.objectWithoutProperties(_ref, []);
+    let b = babelHelpers.objectWithoutProperties({}, []);
+  },
+  c = (_ref2 = {}, ({} = _ref2), d = babelHelpers.objectWithoutProperties(_ref2, []), _ref2)
+} = {};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/exec.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/exec.js
new file mode 100644
index 000000000000..bdccb5b708b4
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/exec.js
@@ -0,0 +1,21 @@
+var result = "";
+
+var obj = {
+  get foo() {
+    result += "foo"
+  },
+  a: {
+    get bar() {
+      result += "bar";
+    }
+  },
+  b: {
+    get baz() {
+      result += "baz";
+    }
+  }
+};
+
+var { a: { ...bar }, b: { ...baz }, ...foo } = obj;
+
+assert.strictEqual(result, "barbazfoo");
\ No newline at end of file
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/input.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/input.js
new file mode 100644
index 000000000000..76876286cd23
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/input.js
@@ -0,0 +1 @@
+const { a: { ...bar }, b: { ...baz }, ...foo } = obj;
\ No newline at end of file
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js
new file mode 100644
index 000000000000..96a7088a3949
--- /dev/null
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js
@@ -0,0 +1,3 @@
+const bar = babelHelpers.objectWithoutProperties(obj.a, []),
+      baz = babelHelpers.objectWithoutProperties(obj.b, []),
+      foo = babelHelpers.objectWithoutProperties(obj, []);

From 7e90d56024e0f6a3387647fcd1dafbeedc2348c2 Mon Sep 17 00:00:00 2001
From: Justin Ridgewell <justin@ridgewell.name>
Date: Sun, 18 Feb 2018 13:56:29 -0500
Subject: [PATCH 023/140] Proposal: Logical Assignment Operators (#7385)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Proposal: Logical Assignment Operators

https://github.com/jridgewell/proposal-logical-assignment

I'm bringing it [back](https://github.com/babel/babel/pull/516). 😉

* Use expectPlugin

* Add to stage 0 preset

* Add logicalAssignment missing plugin log stuff
---
 .../util/missing-plugin-helper.js             |  10 +
 .../.npmignore                                |   3 +
 .../README.md                                 |  63 ++++++
 .../package.json                              |  21 ++
 .../src/index.js                              |  42 ++++
 .../general-semantics/exec.js                 |  40 ++++
 .../general-semantics/input.js                |  40 ++++
 .../general-semantics/options.json            |   3 +
 .../general-semantics/output.js               |  39 ++++
 .../test/index.js                             |   3 +
 .../.npmignore                                |   3 +
 .../README.md                                 |  35 ++++
 .../package.json                              |  17 ++
 .../src/index.js                              |   7 +
 packages/babel-preset-stage-0/package.json    |   1 +
 packages/babel-preset-stage-0/src/index.js    |   3 +-
 packages/babylon/src/tokenizer/index.js       |  11 +-
 .../and-and-equals-no-plugin/input.js         |   2 +
 .../and-and-equals-no-plugin/options.json     |   4 +
 .../and-and-equals/input.js                   |   2 +
 .../and-and-equals/options.json               |   3 +
 .../and-and-equals/output.json                | 197 ++++++++++++++++++
 .../mallet-no-plugin/input.js                 |   1 +
 .../mallet-no-plugin/options.json             |   4 +
 .../mallet/input.js                           |   2 +
 .../mallet/options.json                       |   3 +
 .../mallet/output.json                        | 197 ++++++++++++++++++
 27 files changed, 753 insertions(+), 3 deletions(-)
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/.npmignore
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/README.md
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/package.json
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/options.json
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
 create mode 100644 packages/babel-plugin-proposal-logical-assignment-operators/test/index.js
 create mode 100644 packages/babel-plugin-syntax-logical-assignment-operators/.npmignore
 create mode 100644 packages/babel-plugin-syntax-logical-assignment-operators/README.md
 create mode 100644 packages/babel-plugin-syntax-logical-assignment-operators/package.json
 create mode 100644 packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/output.json
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/input.js
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/options.json
 create mode 100644 packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/output.json

diff --git a/packages/babel-core/src/transformation/util/missing-plugin-helper.js b/packages/babel-core/src/transformation/util/missing-plugin-helper.js
index 0d029e71eb58..c595e178a123 100644
--- a/packages/babel-core/src/transformation/util/missing-plugin-helper.js
+++ b/packages/babel-core/src/transformation/util/missing-plugin-helper.js
@@ -113,6 +113,16 @@ const pluginNameMap = {
       url: "https://git.io/vb4yd",
     },
   },
+  logicalAssignment: {
+    syntax: {
+      name: "@babel/plugin-syntax-logical-assignment-operators",
+      url: "https://git.io/vAlBp",
+    },
+    transform: {
+      name: "@babel/plugin-proposal-logical-assignment-operators",
+      url: "https://git.io/vAlRe",
+    },
+  },
   nullishCoalescingOperator: {
     syntax: {
       name: "@babel/plugin-syntax-nullish-coalescing-operator",
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/.npmignore b/packages/babel-plugin-proposal-logical-assignment-operators/.npmignore
new file mode 100644
index 000000000000..f9806945836e
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/.npmignore
@@ -0,0 +1,3 @@
+src
+test
+*.log
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/README.md b/packages/babel-plugin-proposal-logical-assignment-operators/README.md
new file mode 100644
index 000000000000..26fbaddfb774
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/README.md
@@ -0,0 +1,63 @@
+# @babel/plugin-proposal-logical-assignment-operator
+
+> Transforms logical assignment operators into short-circuited assignments
+
+## Example
+
+**In**
+
+```javascript
+a ||= b;
+obj.a.b ||= c;
+
+a &&= b;
+obj.a.b &&= c;
+```
+
+**Out**
+
+```javascript
+var _obj$a, _obj$a2;
+
+a || (a = b);
+(_obj$a = obj.a).b || (_obj$a.b = c);
+
+a && (a = b);
+(_obj$a2 = obj.a).b && (_obj$a2.b = c);
+```
+
+## Installation
+
+```sh
+npm install --save-dev @babel/plugin-proposal-logical-assignment-operators
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "plugins": ["@babel/plugin-proposal-logical-assignment-operators"]
+}
+```
+
+### Via CLI
+
+```sh
+babel --plugins @babel/plugin-proposal-logical-assignment-operators script.js
+```
+
+### Via Node API
+
+```javascript
+require("@babel/core").transform("code", {
+  plugins: ["@babel/plugin-proposal-logical-assignment-operators"]
+});
+```
+
+## References
+
+* [Proposal: Logical Assignment Operators](https://github.com/jridgewell/proposal-logical-assignment-operators)
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
new file mode 100644
index 000000000000..94f116ae96bc
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "@babel/plugin-proposal-logical-assignment-operators",
+  "version": "7.0.0-beta.40",
+  "description": "Transforms logical assignment operators into short-circuited assignments",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-logical-assignment-operators",
+  "license": "MIT",
+  "main": "lib",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "dependencies": {
+    "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.40"
+  },
+  "peerDependencies": {
+    "@babel/core": "7.0.0-beta.40"
+  },
+  "devDependencies": {
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+  }
+}
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
new file mode 100644
index 000000000000..bba8a28c37c0
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
@@ -0,0 +1,42 @@
+import syntaxLogicalAssignmentOperators from "@babel/plugin-syntax-logical-assignment-operators";
+import { types as t } from "@babel/core";
+
+export default function() {
+  return {
+    inherits: syntaxLogicalAssignmentOperators,
+
+    visitor: {
+      AssignmentExpression(path) {
+        const { node, scope } = path;
+        const { operator, left, right } = node;
+        if (operator !== "||=" && operator !== "&&=") {
+          return;
+        }
+
+        let ref;
+        if (t.isMemberExpression(left)) {
+          const { object } = left;
+          const memo = scope.maybeGenerateMemoised(object);
+          if (memo) {
+            path
+              .get("left.object")
+              .replaceWith(
+                t.assignmentExpression("=", t.cloneNode(memo), object),
+              );
+
+            ref = t.cloneNode(left);
+            ref.object = t.cloneNode(memo);
+          }
+        }
+
+        path.replaceWith(
+          t.logicalExpression(
+            operator.slice(0, -1),
+            left,
+            t.assignmentExpression("=", ref || t.cloneNode(left), right),
+          ),
+        );
+      },
+    },
+  };
+}
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
new file mode 100644
index 000000000000..57865464cd71
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
@@ -0,0 +1,40 @@
+var x = 0;
+var sets = 0;
+var obj = {
+  get x() {
+    return x;
+  },
+
+  set x(value) {
+    sets++;
+    x = value;
+  },
+};
+
+assert.equal(obj.x ||= 1, 1);
+assert.equal(sets, 1);
+assert.equal(obj.x ||= 2, 1);
+assert.equal(sets, 1);
+
+assert.equal(obj.x &&= 0, 0);
+assert.equal(sets, 2);
+assert.equal(obj.x &&= 3, 0);
+assert.equal(sets, 2);
+
+var gets = 0;
+var deep = {
+  get obj() {
+    gets++;
+    return obj;
+  },
+};
+
+assert.equal(deep.obj.x ||= 1, 1);
+assert.equal(gets, 1);
+assert.equal(deep.obj.x ||= 2, 1);
+assert.equal(gets, 2);
+
+assert.equal(deep.obj.x &&= 0, 0);
+assert.equal(gets, 3);
+assert.equal(deep.obj.x &&= 3, 0);
+assert.equal(gets, 4);
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
new file mode 100644
index 000000000000..57865464cd71
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
@@ -0,0 +1,40 @@
+var x = 0;
+var sets = 0;
+var obj = {
+  get x() {
+    return x;
+  },
+
+  set x(value) {
+    sets++;
+    x = value;
+  },
+};
+
+assert.equal(obj.x ||= 1, 1);
+assert.equal(sets, 1);
+assert.equal(obj.x ||= 2, 1);
+assert.equal(sets, 1);
+
+assert.equal(obj.x &&= 0, 0);
+assert.equal(sets, 2);
+assert.equal(obj.x &&= 3, 0);
+assert.equal(sets, 2);
+
+var gets = 0;
+var deep = {
+  get obj() {
+    gets++;
+    return obj;
+  },
+};
+
+assert.equal(deep.obj.x ||= 1, 1);
+assert.equal(gets, 1);
+assert.equal(deep.obj.x ||= 2, 1);
+assert.equal(gets, 2);
+
+assert.equal(deep.obj.x &&= 0, 0);
+assert.equal(gets, 3);
+assert.equal(deep.obj.x &&= 3, 0);
+assert.equal(gets, 4);
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/options.json b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/options.json
new file mode 100644
index 000000000000..259c77d8e49c
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["proposal-logical-assignment-operators"]
+}
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
new file mode 100644
index 000000000000..fb5c9b38b482
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
@@ -0,0 +1,39 @@
+var _deep$obj, _deep$obj2, _deep$obj3, _deep$obj4;
+
+var x = 0;
+var sets = 0;
+var obj = {
+  get x() {
+    return x;
+  },
+
+  set x(value) {
+    sets++;
+    x = value;
+  }
+
+};
+assert.equal(obj.x || (obj.x = 1), 1);
+assert.equal(sets, 1);
+assert.equal(obj.x || (obj.x = 2), 1);
+assert.equal(sets, 1);
+assert.equal(obj.x && (obj.x = 0), 0);
+assert.equal(sets, 2);
+assert.equal(obj.x && (obj.x = 3), 0);
+assert.equal(sets, 2);
+var gets = 0;
+var deep = {
+  get obj() {
+    gets++;
+    return obj;
+  }
+
+};
+assert.equal((_deep$obj = deep.obj).x || (_deep$obj.x = 1), 1);
+assert.equal(gets, 1);
+assert.equal((_deep$obj2 = deep.obj).x || (_deep$obj2.x = 2), 1);
+assert.equal(gets, 2);
+assert.equal((_deep$obj3 = deep.obj).x && (_deep$obj3.x = 0), 0);
+assert.equal(gets, 3);
+assert.equal((_deep$obj4 = deep.obj).x && (_deep$obj4.x = 3), 0);
+assert.equal(gets, 4);
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/index.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/index.js
new file mode 100644
index 000000000000..1b534b8fc64a
--- /dev/null
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/index.js
@@ -0,0 +1,3 @@
+import runner from "@babel/helper-plugin-test-runner";
+
+runner(__dirname);
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/.npmignore b/packages/babel-plugin-syntax-logical-assignment-operators/.npmignore
new file mode 100644
index 000000000000..f9806945836e
--- /dev/null
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/.npmignore
@@ -0,0 +1,3 @@
+src
+test
+*.log
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/README.md b/packages/babel-plugin-syntax-logical-assignment-operators/README.md
new file mode 100644
index 000000000000..07c5371cc3b6
--- /dev/null
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/README.md
@@ -0,0 +1,35 @@
+# @babel/plugin-syntax-logical-assignment-operators
+
+> Allow parsing of the logical assignment operators.
+
+## Installation
+
+```sh
+npm install --save-dev @babel/plugin-syntax-logical-assignment-operators
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "plugins": ["@babel/plugin-syntax-logical-assignment-operators"]
+}
+```
+
+### Via CLI
+
+```sh
+babel --plugins @babel/plugin-syntax-logical-assignment-operators script.js
+```
+
+### Via Node API
+
+```javascript
+require("@babel/core").transform("code", {
+  plugins: ["@babel/plugin-syntax-logical-assignment-operators"]
+});
+```
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/package.json b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
new file mode 100644
index 000000000000..a638697e4c8b
--- /dev/null
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@babel/plugin-syntax-logical-assignment-operators",
+  "version": "7.0.0-beta.40",
+  "description": "Allow parsing of the logical assignment operators",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-logical-assignment-operators",
+  "license": "MIT",
+  "main": "lib",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "peerDependencies": {
+    "@babel/core": "7.0.0-beta.40"
+  },
+  "devDependencies": {
+    "@babel/core": "7.0.0-beta.40"
+  }
+}
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js b/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
new file mode 100644
index 000000000000..20f6ab064ab0
--- /dev/null
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
@@ -0,0 +1,7 @@
+export default function() {
+  return {
+    manipulateOptions(opts, parserOpts) {
+      parserOpts.plugins.push("logicalAssignment");
+    },
+  };
+}
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index c6f44f5fb406..97ec9b160ada 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -9,6 +9,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
+    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.40",
     "@babel/preset-stage-1": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-preset-stage-0/src/index.js b/packages/babel-preset-stage-0/src/index.js
index 2d97b1f23b06..6f886fbce528 100644
--- a/packages/babel-preset-stage-0/src/index.js
+++ b/packages/babel-preset-stage-0/src/index.js
@@ -1,6 +1,7 @@
 import presetStage1 from "@babel/preset-stage-1";
 
 import transformFunctionBind from "@babel/plugin-proposal-function-bind";
+import transformLogicalAssignmentOperators from "@babel/plugin-proposal-logical-assignment-operators";
 
 export default function(context, opts = {}) {
   let loose = false;
@@ -22,6 +23,6 @@ export default function(context, opts = {}) {
 
   return {
     presets: [[presetStage1, { loose, useBuiltIns }]],
-    plugins: [transformFunctionBind],
+    plugins: [transformFunctionBind, transformLogicalAssignmentOperators],
   };
 }
diff --git a/packages/babylon/src/tokenizer/index.js b/packages/babylon/src/tokenizer/index.js
index 3fce13290771..45d551b75517 100644
--- a/packages/babylon/src/tokenizer/index.js
+++ b/packages/babylon/src/tokenizer/index.js
@@ -464,9 +464,16 @@ export default class Tokenizer extends LocationParser {
     const next = this.input.charCodeAt(this.state.pos + 1);
 
     if (next === code) {
+      const assign =
+        this.input.charCodeAt(this.state.pos + 2) === charCodes.equalsTo;
+      if (assign) {
+        this.expectPlugin("logicalAssignment");
+      }
       this.finishOp(
-        code === charCodes.verticalBar ? tt.logicalOR : tt.logicalAND,
-        2,
+        assign
+          ? tt.assign
+          : code === charCodes.verticalBar ? tt.logicalOR : tt.logicalAND,
+        assign ? 3 : 2,
       );
       return;
     }
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/input.js b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/input.js
new file mode 100644
index 000000000000..740f1fa9268a
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/input.js
@@ -0,0 +1,2 @@
+a &&= b;
+obj.a &&= b;
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/options.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/options.json
new file mode 100644
index 000000000000..5b674fdee42e
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals-no-plugin/options.json
@@ -0,0 +1,4 @@
+{
+  "plugins": [],
+  "throws": "This experimental syntax requires enabling the parser plugin: 'logicalAssignment' (1:2)"
+}
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/input.js b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/input.js
new file mode 100644
index 000000000000..740f1fa9268a
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/input.js
@@ -0,0 +1,2 @@
+a &&= b;
+obj.a &&= b;
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/options.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/options.json
new file mode 100644
index 000000000000..5041dbb19f81
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["logicalAssignment"]
+}
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/output.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/output.json
new file mode 100644
index 000000000000..a8cf00f41042
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/and-and-equals/output.json
@@ -0,0 +1,197 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 21,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 2,
+      "column": 12
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 21,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 2,
+        "column": 12
+      }
+    },
+    "sourceType": "script",
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start": 0,
+        "end": 8,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 8
+          }
+        },
+        "expression": {
+          "type": "AssignmentExpression",
+          "start": 0,
+          "end": 7,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 1,
+              "column": 7
+            }
+          },
+          "operator": "&&=",
+          "left": {
+            "type": "Identifier",
+            "start": 0,
+            "end": 1,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 0
+              },
+              "end": {
+                "line": 1,
+                "column": 1
+              },
+              "identifierName": "a"
+            },
+            "name": "a"
+          },
+          "right": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 7,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 6
+              },
+              "end": {
+                "line": 1,
+                "column": 7
+              },
+              "identifierName": "b"
+            },
+            "name": "b"
+          }
+        }
+      },
+      {
+        "type": "ExpressionStatement",
+        "start": 9,
+        "end": 21,
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 12
+          }
+        },
+        "expression": {
+          "type": "AssignmentExpression",
+          "start": 9,
+          "end": 20,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 0
+            },
+            "end": {
+              "line": 2,
+              "column": 11
+            }
+          },
+          "operator": "&&=",
+          "left": {
+            "type": "MemberExpression",
+            "start": 9,
+            "end": 14,
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 0
+              },
+              "end": {
+                "line": 2,
+                "column": 5
+              }
+            },
+            "object": {
+              "type": "Identifier",
+              "start": 9,
+              "end": 12,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 0
+                },
+                "end": {
+                  "line": 2,
+                  "column": 3
+                },
+                "identifierName": "obj"
+              },
+              "name": "obj"
+            },
+            "property": {
+              "type": "Identifier",
+              "start": 13,
+              "end": 14,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 4
+                },
+                "end": {
+                  "line": 2,
+                  "column": 5
+                },
+                "identifierName": "a"
+              },
+              "name": "a"
+            },
+            "computed": false
+          },
+          "right": {
+            "type": "Identifier",
+            "start": 19,
+            "end": 20,
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 10
+              },
+              "end": {
+                "line": 2,
+                "column": 11
+              },
+              "identifierName": "b"
+            },
+            "name": "b"
+          }
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/input.js b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/input.js
new file mode 100644
index 000000000000..53c87792bb2f
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/input.js
@@ -0,0 +1 @@
+a ||= b;
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/options.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/options.json
new file mode 100644
index 000000000000..5b674fdee42e
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet-no-plugin/options.json
@@ -0,0 +1,4 @@
+{
+  "plugins": [],
+  "throws": "This experimental syntax requires enabling the parser plugin: 'logicalAssignment' (1:2)"
+}
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/input.js b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/input.js
new file mode 100644
index 000000000000..cb4961f49b9e
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/input.js
@@ -0,0 +1,2 @@
+a ||= b;
+obj.a ||= b;
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/options.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/options.json
new file mode 100644
index 000000000000..5041dbb19f81
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["logicalAssignment"]
+}
diff --git a/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/output.json b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/output.json
new file mode 100644
index 000000000000..857dd9538eb5
--- /dev/null
+++ b/packages/babylon/test/fixtures/experimental/logical-assignment-operator/mallet/output.json
@@ -0,0 +1,197 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 21,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 2,
+      "column": 12
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 21,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 2,
+        "column": 12
+      }
+    },
+    "sourceType": "script",
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start": 0,
+        "end": 8,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 8
+          }
+        },
+        "expression": {
+          "type": "AssignmentExpression",
+          "start": 0,
+          "end": 7,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 1,
+              "column": 7
+            }
+          },
+          "operator": "||=",
+          "left": {
+            "type": "Identifier",
+            "start": 0,
+            "end": 1,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 0
+              },
+              "end": {
+                "line": 1,
+                "column": 1
+              },
+              "identifierName": "a"
+            },
+            "name": "a"
+          },
+          "right": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 7,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 6
+              },
+              "end": {
+                "line": 1,
+                "column": 7
+              },
+              "identifierName": "b"
+            },
+            "name": "b"
+          }
+        }
+      },
+      {
+        "type": "ExpressionStatement",
+        "start": 9,
+        "end": 21,
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 12
+          }
+        },
+        "expression": {
+          "type": "AssignmentExpression",
+          "start": 9,
+          "end": 20,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 0
+            },
+            "end": {
+              "line": 2,
+              "column": 11
+            }
+          },
+          "operator": "||=",
+          "left": {
+            "type": "MemberExpression",
+            "start": 9,
+            "end": 14,
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 0
+              },
+              "end": {
+                "line": 2,
+                "column": 5
+              }
+            },
+            "object": {
+              "type": "Identifier",
+              "start": 9,
+              "end": 12,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 0
+                },
+                "end": {
+                  "line": 2,
+                  "column": 3
+                },
+                "identifierName": "obj"
+              },
+              "name": "obj"
+            },
+            "property": {
+              "type": "Identifier",
+              "start": 13,
+              "end": 14,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 4
+                },
+                "end": {
+                  "line": 2,
+                  "column": 5
+                },
+                "identifierName": "a"
+              },
+              "name": "a"
+            },
+            "computed": false
+          },
+          "right": {
+            "type": "Identifier",
+            "start": 19,
+            "end": 20,
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 10
+              },
+              "end": {
+                "line": 2,
+                "column": 11
+              },
+              "identifierName": "b"
+            },
+            "name": "b"
+          }
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file

From dad05ed503ab04edf5f8e7c7ad0dc993b67cf00d Mon Sep 17 00:00:00 2001
From: Deepak Pai <35139777+debugpai2@users.noreply.github.com>
Date: Tue, 20 Feb 2018 21:39:23 +0100
Subject: [PATCH 024/140] Solves Tagged template literal size optimization
 (#7379)

* Tagged template literal size optimization
solves #7352

* Incorporates review changes
---
 packages/babel-helpers/src/helpers.js         |  2 ++
 .../interop-loose/imports-hoisting/output.js  |  2 +-
 .../interop/imports-hoisting/output.js        |  2 +-
 .../src/index.js                              | 21 +++++++++++++++----
 .../test/fixtures/default/simple-tag/input.js |  2 ++
 .../fixtures/default/simple-tag/output.js     |  7 +++++++
 .../test/fixtures/default/tag/output.js       |  2 +-
 .../default/template-revision/output.js       |  2 +-
 .../test/fixtures/loose/tag/output.js         |  2 +-
 .../loose/template-revision/output.js         |  2 +-
 10 files changed, 34 insertions(+), 10 deletions(-)
 create mode 100644 packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/input.js
 create mode 100644 packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/output.js

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 6d4d84850d96..8cfabc8f6482 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -690,6 +690,7 @@ helpers.slicedToArrayLoose = defineHelper(`
 
 helpers.taggedTemplateLiteral = defineHelper(`
   export default function _taggedTemplateLiteral(strings, raw) {
+    if (!raw) { raw = strings.slice(0); }
     return Object.freeze(Object.defineProperties(strings, {
         raw: { value: Object.freeze(raw) }
     }));
@@ -698,6 +699,7 @@ helpers.taggedTemplateLiteral = defineHelper(`
 
 helpers.taggedTemplateLiteralLoose = defineHelper(`
   export default function _taggedTemplateLiteralLoose(strings, raw) {
+    if (!raw) { raw = strings.slice(0); }
     strings.raw = raw;
     return strings;
   }
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
index f88741ee450f..b1133b75bdba 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
@@ -1,5 +1,5 @@
 var _taggedTemplateLiteral = require("@babel/runtime/helpers/taggedTemplateLiteral");
 
-var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"], ["foo"]);
+var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"]);
 
 tag(_templateObject);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
index f88741ee450f..b1133b75bdba 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
@@ -1,5 +1,5 @@
 var _taggedTemplateLiteral = require("@babel/runtime/helpers/taggedTemplateLiteral");
 
-var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"], ["foo"]);
+var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"]);
 
 tag(_templateObject);
diff --git a/packages/babel-plugin-transform-template-literals/src/index.js b/packages/babel-plugin-transform-template-literals/src/index.js
index 6acc47853708..4d28f9d58106 100644
--- a/packages/babel-plugin-transform-template-literals/src/index.js
+++ b/packages/babel-plugin-transform-template-literals/src/index.js
@@ -54,6 +54,9 @@ export default function(api, options) {
         const strings = [];
         const raws = [];
 
+        // Flag variable to check if contents of strings and raw are equal
+        let isStringsRawEqual = true;
+
         for (const elem of (quasi.quasis: Array)) {
           const { raw, cooked } = elem.value;
           const value =
@@ -63,6 +66,11 @@ export default function(api, options) {
 
           strings.push(value);
           raws.push(t.stringLiteral(raw));
+
+          if (raw !== cooked) {
+            // false even if one of raw and cooked are not equal
+            isStringsRawEqual = false;
+          }
         }
 
         // Generate a unique name based on the string literals so we dedupe
@@ -81,10 +89,15 @@ export default function(api, options) {
           this.templates.set(name, templateObject);
 
           const helperId = this.addHelper(helperName);
-          const init = t.callExpression(helperId, [
-            t.arrayExpression(strings),
-            t.arrayExpression(raws),
-          ]);
+          const callExpressionInput = [];
+          callExpressionInput.push(t.arrayExpression(strings));
+
+          if (!isStringsRawEqual) {
+            callExpressionInput.push(t.arrayExpression(raws));
+          }
+
+          // only add raw arrayExpression if there is any difference between raws and strings
+          const init = t.callExpression(helperId, callExpressionInput);
           annotateAsPure(init);
           init._compact = true;
           programPath.scope.push({
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/input.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/input.js
new file mode 100644
index 000000000000..5b13aa793aa6
--- /dev/null
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/input.js
@@ -0,0 +1,2 @@
+var foo = tag`wow`;
+var bar = tag`first${1}second`;
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/output.js
new file mode 100644
index 000000000000..7b916abd6b10
--- /dev/null
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/simple-tag/output.js
@@ -0,0 +1,7 @@
+var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["wow"]),
+    _templateObject2 = /*#__PURE__*/ _taggedTemplateLiteral(["first", "second"]);
+
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+
+var foo = tag(_templateObject);
+var bar = tag(_templateObject2, 1);
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag/output.js
index 6a3d89a3c478..b47badfa7fab 100644
--- a/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag/output.js
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag/output.js
@@ -2,7 +2,7 @@ var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["wow\na", "b ", ""],
     _templateObject2 = /*#__PURE__*/ _taggedTemplateLiteral(["wow\nab", " ", ""], ["wow\\nab", " ", ""]),
     _templateObject3 = /*#__PURE__*/ _taggedTemplateLiteral(["wow\naB", " ", ""], ["wow\\naB", " ", ""]);
 
-function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
 
 var foo = bar(_templateObject, 42, _.foobar());
 var bar = bar(_templateObject2, 42, _.foobar());
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/template-revision/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/template-revision/output.js
index c7f4371d6ed9..2f8b82de8f45 100644
--- a/packages/babel-plugin-transform-template-literals/test/fixtures/default/template-revision/output.js
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/template-revision/output.js
@@ -6,7 +6,7 @@ var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral([void 0], ["\\unicode
     _templateObject6 = /*#__PURE__*/ _taggedTemplateLiteral(["left", void 0, "right"], ["left", "\\u000g", "right"]),
     _templateObject7 = /*#__PURE__*/ _taggedTemplateLiteral(["left", void 0, "right"], ["left", "\\u{-0}", "right"]);
 
-function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
 
 tag(_templateObject);
 tag(_templateObject2);
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/loose/tag/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/loose/tag/output.js
index 09b108b3b191..7e82908b36db 100644
--- a/packages/babel-plugin-transform-template-literals/test/fixtures/loose/tag/output.js
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/loose/tag/output.js
@@ -2,7 +2,7 @@ var _templateObject = /*#__PURE__*/ _taggedTemplateLiteralLoose(["wow\na", "b ",
     _templateObject2 = /*#__PURE__*/ _taggedTemplateLiteralLoose(["wow\nab", " ", ""], ["wow\\nab", " ", ""]),
     _templateObject3 = /*#__PURE__*/ _taggedTemplateLiteralLoose(["wow\naB", " ", ""], ["wow\\naB", " ", ""]);
 
-function _taggedTemplateLiteralLoose(strings, raw) { strings.raw = raw; return strings; }
+function _taggedTemplateLiteralLoose(strings, raw) { if (!raw) { raw = strings.slice(0); } strings.raw = raw; return strings; }
 
 var foo = bar(_templateObject, 42, _.foobar());
 var bar = bar(_templateObject2, 42, _.foobar());
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/loose/template-revision/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/loose/template-revision/output.js
index 3077a8c82f1c..9eee99e3065d 100644
--- a/packages/babel-plugin-transform-template-literals/test/fixtures/loose/template-revision/output.js
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/loose/template-revision/output.js
@@ -6,7 +6,7 @@ var _templateObject = /*#__PURE__*/ _taggedTemplateLiteralLoose([void 0], ["\\un
     _templateObject6 = /*#__PURE__*/ _taggedTemplateLiteralLoose(["left", void 0, "right"], ["left", "\\u000g", "right"]),
     _templateObject7 = /*#__PURE__*/ _taggedTemplateLiteralLoose(["left", void 0, "right"], ["left", "\\u{-0}", "right"]);
 
-function _taggedTemplateLiteralLoose(strings, raw) { strings.raw = raw; return strings; }
+function _taggedTemplateLiteralLoose(strings, raw) { if (!raw) { raw = strings.slice(0); } strings.raw = raw; return strings; }
 
 tag(_templateObject);
 tag(_templateObject2);

From d75a6b8468adc1c71903bb1b1491a1d6f6007405 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Wed, 21 Feb 2018 09:56:30 -0600
Subject: [PATCH 025/140] Remove istanbul hacks (#7403)

---
 .babelrc.js  | 56 ++++++++++++----------------------------------------
 package.json |  2 +-
 yarn.lock    | 48 ++++++++++++++++++++++++++++++++------------
 3 files changed, 49 insertions(+), 57 deletions(-)

diff --git a/.babelrc.js b/.babelrc.js
index 436e94f97465..d09ac00ebe35 100644
--- a/.babelrc.js
+++ b/.babelrc.js
@@ -1,46 +1,14 @@
 "use strict";
 
-// Thanks Logan for this.
-// This works around https://github.com/istanbuljs/istanbuljs/issues/92 until
-// we have a version of Istanbul that actually works with 7.x.
-function istanbulHacks() {
-  return {
-    inherits: require("babel-plugin-istanbul").default,
-    visitor: {
-      Program: {
-        exit: function(path) {
-          if (!this.__dv__) return
-
-          const node = path.node.body[0];
-          if (
-            node.type !== "VariableDeclaration" ||
-            node.declarations[0].id.type !== "Identifier" ||
-            !node.declarations[0].id.name.match(/cov_/) ||
-            node._blockHoist !== 3
-          ) {
-            throw new Error("Something has gone wrong in Logan's hacks.");
-          }
-
-          // Gross hacks to put the code coverage block above all compiled
-          // import statement output.
-          node._blockHoist = 5;
-        },
-      },
-    },
-  };
-}
-
 let envOpts = {
   loose: true,
 };
 
 const config = {
   comments: false,
-  presets: [
-    ["@babel/env", envOpts],
-  ],
+  presets: [["@babel/env", envOpts]],
   plugins: [
-    // TODO: Use @babel/preset-flow when 
+    // TODO: Use @babel/preset-flow when
     // https://github.com/babel/babel/issues/7233 is fixed
     "@babel/plugin-transform-flow-strip-types",
     ["@babel/proposal-class-properties", { loose: true }],
@@ -48,23 +16,25 @@ const config = {
     "@babel/proposal-numeric-separator",
     ["@babel/proposal-object-rest-spread", { useBuiltIns: true }],
   ],
-  overrides: [{
-    test: "packages/babylon",
-    plugins: [
-      "babel-plugin-transform-charcodes",
-      ["@babel/transform-for-of", { assumeArray: true }],
-    ],
-  }],
+  overrides: [
+    {
+      test: "packages/babylon",
+      plugins: [
+        "babel-plugin-transform-charcodes",
+        ["@babel/transform-for-of", { assumeArray: true }],
+      ],
+    },
+  ],
 };
 
 if (process.env.BABEL_ENV === "cov") {
   config.auxiliaryCommentBefore = "istanbul ignore next";
-  config.plugins.push(istanbulHacks);
+  config.plugins.push("babel-plugin-istanbul");
 }
 
 if (process.env.BABEL_ENV === "development") {
   envOpts.targets = {
-    node: "current"
+    node: "current",
   };
   envOpts.debug = true;
 }
diff --git a/package.json b/package.json
index baf7716f07e3..3ee0302b58dd 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "async": "^1.5.0",
     "babel-eslint": "^8.0.1",
     "babel-loader": "8.0.0-beta.0",
-    "babel-plugin-istanbul": "^4.1.4",
+    "babel-plugin-istanbul": "^4.1.5",
     "babel-plugin-transform-charcodes": "0.0.10",
     "babylon": "7.0.0-beta.39",
     "browserify": "^13.1.1",
diff --git a/yarn.lock b/yarn.lock
index 2b1189861f8f..6f0fef56f75d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1167,8 +1167,8 @@ babel-eslint@^8.0.1:
     eslint-visitor-keys "^1.0.0"
 
 babel-generator@^6.18.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.0.tgz#ac1ae20070b79f6e3ca1d3269613053774f20dc5"
+  version "6.26.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
   dependencies:
     babel-messages "^6.23.0"
     babel-runtime "^6.26.0"
@@ -1176,7 +1176,7 @@ babel-generator@^6.18.0:
     detect-indent "^4.0.0"
     jsesc "^1.3.0"
     lodash "^4.17.4"
-    source-map "^0.5.6"
+    source-map "^0.5.7"
     trim-right "^1.0.1"
 
 babel-loader@8.0.0-beta.0:
@@ -1193,7 +1193,7 @@ babel-messages@^6.23.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.1.4:
+babel-plugin-istanbul@^4.1.5:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
   dependencies:
@@ -3835,12 +3835,18 @@ interpret@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-invariant@^2.2.0, invariant@^2.2.2:
+invariant@^2.2.0:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
   dependencies:
     loose-envify "^1.0.0"
 
+invariant@^2.2.2:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.3.tgz#1a827dfde7dcbd7c323f0ca826be8fa7c5e9d688"
+  dependencies:
+    loose-envify "^1.0.0"
+
 invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
@@ -4144,9 +4150,9 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-lib-coverage@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
+istanbul-lib-coverage@^1.1.1, istanbul-lib-coverage@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.2.tgz#4113c8ff6b7a40a1ef7350b01016331f63afde14"
 
 istanbul-lib-hook@^1.1.0:
   version "1.1.0"
@@ -4154,7 +4160,19 @@ istanbul-lib-hook@^1.1.0:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.9.1:
+istanbul-lib-instrument@^1.7.5:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.2.tgz#84905bf47f7e0b401d6b840da7bad67086b4aab6"
+  dependencies:
+    babel-generator "^6.18.0"
+    babel-template "^6.16.0"
+    babel-traverse "^6.18.0"
+    babel-types "^6.18.0"
+    babylon "^6.18.0"
+    istanbul-lib-coverage "^1.1.2"
+    semver "^5.3.0"
+
+istanbul-lib-instrument@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.1.tgz#250b30b3531e5d3251299fdd64b0b2c9db6b558e"
   dependencies:
@@ -4674,10 +4692,14 @@ lodash.templatesettings@^4.0.0:
   dependencies:
     lodash._reinterpolate "~3.0.0"
 
-lodash@^4.0.0, lodash@^4.1.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
+lodash@^4.0.0, lodash@^4.1.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.17.4:
+  version "4.17.5"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
+
 lodash@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
@@ -6260,7 +6282,7 @@ source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
 
-source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.0, source-map@~0.5.1, source-map@~0.5.3:
+source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.0, source-map@~0.5.1, source-map@~0.5.3:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -6607,8 +6629,8 @@ tempfile@^1.1.1:
     uuid "^2.0.1"
 
 test-exclude@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.1.tgz#4d84964b0966b0087ecc334a2ce002d3d9341e26"
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.0.tgz#07e3613609a362c74516a717515e13322ab45b3c"
   dependencies:
     arrify "^1.0.1"
     micromatch "^2.3.11"

From d283324f8a7260b74d9f729a1014a3c8080e9084 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Wed, 21 Feb 2018 18:58:56 +0100
Subject: [PATCH 026/140] Mark hoisted react constant elements as #__PURE__
 (#7372)

---
 .../test/fixtures/regression/7178/output.js          |  4 +++-
 .../package.json                                     |  3 +++
 .../src/index.js                                     |  7 ++++++-
 .../append-to-end-when-declared-in-scope-2/output.js |  8 ++++++--
 .../append-to-end-when-declared-in-scope-3/output.js | 12 +++++++++---
 .../append-to-end-when-declared-in-scope-4/output.js | 12 +++++++++---
 .../append-to-end-when-declared-in-scope/output.js   |  8 ++++++--
 .../fixtures/constant-elements/children/output.js    |  4 +++-
 .../class-assign-unreferenced-param-deopt/output.js  |  4 +++-
 .../constant-elements/compound-assignment/output.js  |  8 ++++++--
 .../fixtures/constant-elements/constructor/output.js |  4 +++-
 .../deep-constant-violation/output.js                |  8 ++++++--
 .../dont-hoist-before-class/output.js                |  8 ++++++--
 .../dont-hoist-before-declaration/output.js          |  8 ++++++--
 .../dont-hoist-before-default-params-2/output.js     |  4 +++-
 .../dont-hoist-before-default-params/output.js       |  4 +++-
 .../dont-hoist-before-hoc/output.js                  |  8 ++++++--
 .../constant-elements/function-parameter/output.js   |  8 ++++++--
 .../constant-elements/global-reference/output.js     |  4 +++-
 .../constant-elements/html-element/output.js         |  8 ++++++--
 .../constant-elements/inline-elements/output.js      |  8 ++++++--
 .../constant-elements/inner-declaration/output.js    |  4 +++-
 .../member-expression-constant/output.js             |  4 +++-
 .../member-expression-this/output.js                 |  8 ++++++--
 .../constant-elements/member-expression/output.js    |  8 ++++++--
 .../constant-elements/param-and-var/output.js        |  4 +++-
 .../parameter-destructure-multi/output.js            |  4 +++-
 .../parameter-destructure-rest/output.js             |  4 +++-
 .../parameter-destructure/output.js                  |  4 +++-
 .../constant-elements/parameter-reference/output.js  |  4 +++-
 .../constant-elements/pure-expression-2/output.js    |  4 +++-
 .../constant-elements/pure-expression-3/output.js    |  4 +++-
 .../pure-expression-whitelist-member/output.js       |  4 +++-
 .../pure-expression-whitelist/output.js              |  4 +++-
 .../constant-elements/pure-expression/output.js      |  4 +++-
 .../constant-elements/reassignment/output.js         |  4 +++-
 .../regression-node-type-export-default/output.js    |  4 +++-
 .../regression-node-type-export/output.js            |  4 +++-
 .../constant-elements/text-children/output.js        |  4 +++-
 .../test/fixtures/constant-elements/var/output.js    |  4 +++-
 .../optimisation.react.constant-elements/output.js   |  4 +++-
 packages/babel-traverse/src/path/lib/hoister.js      |  7 ++++++-
 42 files changed, 180 insertions(+), 57 deletions(-)

diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/7178/output.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/7178/output.js
index 509f1f64c90d..834e46ca35ad 100644
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/7178/output.js
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/7178/output.js
@@ -4,7 +4,9 @@ function action() {
   return _action.apply(this, arguments);
 }
 
-var _ref = React.createElement(Contact, {
+var _ref =
+/*#__PURE__*/
+React.createElement(Contact, {
   title: title
 });
 
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index 929895ac23d4..94f0fc95b65f 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-react-constant-elements/src/index.js b/packages/babel-plugin-transform-react-constant-elements/src/index.js
index 29c8f7be94a2..9745ceeda65f 100644
--- a/packages/babel-plugin-transform-react-constant-elements/src/index.js
+++ b/packages/babel-plugin-transform-react-constant-elements/src/index.js
@@ -1,4 +1,5 @@
 import { types as t } from "@babel/core";
+import annotateAsPure from "@babel/helper-annotate-as-pure";
 
 export default function transformReactConstantElement(api, options) {
   const { allowMutablePropsOnTags } = options;
@@ -101,7 +102,11 @@ export default function transformReactConstantElement(api, options) {
         path.traverse(immutabilityVisitor, state);
 
         if (state.isImmutable) {
-          path.hoist();
+          const hoisted = path.hoist();
+
+          if (hoisted) {
+            annotateAsPure(hoisted);
+          }
         }
       },
     },
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-2/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-2/output.js
index 5f4d4762cf4f..e44a4b518dc9 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-2/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-2/output.js
@@ -1,10 +1,14 @@
-var _ref = <div>child</div>;
+var _ref =
+/*#__PURE__*/
+<div>child</div>;
 
 const AppItem = () => {
   return _ref;
 };
 
-var _ref2 = <div>
+var _ref2 =
+/*#__PURE__*/
+<div>
         <p>Parent</p>
         <AppItem />
       </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-3/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-3/output.js
index 5b5fdfbf7731..602d3eb3b184 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-3/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-3/output.js
@@ -1,6 +1,10 @@
-var _ref2 = <div>child</div>;
+var _ref2 =
+/*#__PURE__*/
+<div>child</div>;
 
-var _ref3 = <p>Parent</p>;
+var _ref3 =
+/*#__PURE__*/
+<p>Parent</p>;
 
 (function () {
   class App extends React.Component {
@@ -13,7 +17,9 @@ var _ref3 = <p>Parent</p>;
   const AppItem = () => {
     return _ref2;
   },
-        _ref = <div>
+        _ref =
+  /*#__PURE__*/
+  <div>
           {_ref3}
           <AppItem />
         </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-4/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-4/output.js
index 7088d18dca32..21fa63efbd88 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-4/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-4/output.js
@@ -1,13 +1,19 @@
-var _ref = <div>child</div>;
+var _ref =
+/*#__PURE__*/
+<div>child</div>;
 
-var _ref3 = <p>Parent</p>;
+var _ref3 =
+/*#__PURE__*/
+<p>Parent</p>;
 
 (function () {
   const AppItem = () => {
     return _ref;
   };
 
-  var _ref2 = <div>
+  var _ref2 =
+  /*#__PURE__*/
+  <div>
           {_ref3}
           <AppItem />
         </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope/output.js
index e7f8ea322a44..730a99a08cd8 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope/output.js
@@ -5,12 +5,16 @@ export default class App extends React.Component {
 
 }
 
-var _ref2 = <div>child</div>;
+var _ref2 =
+/*#__PURE__*/
+<div>child</div>;
 
 const AppItem = () => {
   return _ref2;
 },
-      _ref = <div>
+      _ref =
+/*#__PURE__*/
+<div>
         <p>Parent</p>
         <AppItem />
       </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/children/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/children/output.js
index 9f725b28e808..b341d7309f56 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/children/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/children/output.js
@@ -1,4 +1,6 @@
-var _ref = <span />;
+var _ref =
+/*#__PURE__*/
+<span />;
 
 var Foo = React.createClass({
   render: function () {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/class-assign-unreferenced-param-deopt/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/class-assign-unreferenced-param-deopt/output.js
index 9eaf6f3992d3..12cdcd2c3112 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/class-assign-unreferenced-param-deopt/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/class-assign-unreferenced-param-deopt/output.js
@@ -1,6 +1,8 @@
 import React from 'react'; // Regression test for https://github.com/babel/babel/issues/5552
 
-var _ref = <div />;
+var _ref =
+/*#__PURE__*/
+<div />;
 
 class BugReport extends React.Component {
   constructor(...args) {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/compound-assignment/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/compound-assignment/output.js
index ed30e4854564..3f305943f7bb 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/compound-assignment/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/compound-assignment/output.js
@@ -1,9 +1,13 @@
 import React from 'react';
 import Loader from 'loader';
 
-var _ref = <Loader className="full-height" />;
+var _ref =
+/*#__PURE__*/
+<Loader className="full-height" />;
 
-var _ref2 = <Loader className="p-y-5" />;
+var _ref2 =
+/*#__PURE__*/
+<Loader className="p-y-5" />;
 
 const errorComesHere = () => _ref,
       thisWorksFine = () => _ref2;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/constructor/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/constructor/output.js
index e3e86ae68d6e..ff7176d24ff8 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/constructor/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/constructor/output.js
@@ -1,6 +1,8 @@
 var Foo = require("Foo");
 
-var _ref = <Foo />;
+var _ref =
+/*#__PURE__*/
+<Foo />;
 
 function render() {
   return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/deep-constant-violation/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/deep-constant-violation/output.js
index 325f0daf7c80..482d9ccbc4dc 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/deep-constant-violation/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/deep-constant-violation/output.js
@@ -1,6 +1,10 @@
-var _ref = <b></b>;
+var _ref =
+/*#__PURE__*/
+<b></b>;
 
-var _ref2 = <span></span>;
+var _ref2 =
+/*#__PURE__*/
+<span></span>;
 
 function render() {
   var children = _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-class/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-class/output.js
index 060811816d12..3cab082e24b8 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-class/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-class/output.js
@@ -4,11 +4,15 @@ const Parent = ({}) => _ref;
 
 export default Parent;
 
-var _ref2 = <div className="child">
+var _ref2 =
+/*#__PURE__*/
+<div className="child">
     ChildTextContent
   </div>;
 
 let Child = () => _ref2,
-    _ref = <div className="parent">
+    _ref =
+/*#__PURE__*/
+<div className="parent">
     <Child />
   </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-declaration/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-declaration/output.js
index 878e19404bce..a8a3c7e28599 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-declaration/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-declaration/output.js
@@ -1,6 +1,8 @@
 function render() {
   const bar = "bar",
-        _ref = <foo bar={bar} />,
+        _ref =
+  /*#__PURE__*/
+  <foo bar={bar} />,
         renderFoo = () => _ref;
 
   return renderFoo();
@@ -10,7 +12,9 @@ function render() {
   const bar = "bar",
         renderFoo = () => _ref2,
         baz = "baz",
-        _ref2 = <foo bar={bar} baz={baz} />;
+        _ref2 =
+  /*#__PURE__*/
+  <foo bar={bar} baz={baz} />;
 
   return renderFoo();
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params-2/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params-2/output.js
index 86a47eb10a31..fccc84ff7b1d 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params-2/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params-2/output.js
@@ -1,7 +1,9 @@
 function render() {
   var title = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
 
-  var _ref = <Component title={title} />;
+  var _ref =
+  /*#__PURE__*/
+  <Component title={title} />;
 
   return () => _ref;
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params/output.js
index 6780bc3d8930..93a36e512ca6 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params/output.js
@@ -1,6 +1,8 @@
 function render(Component) {
   var text = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '',
-      _ref = <Component text={text} />;
+      _ref =
+  /*#__PURE__*/
+  <Component text={text} />;
 
   return function () {
     return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-hoc/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-hoc/output.js
index d1521a3baf4b..105e9ef2a580 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-hoc/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-hoc/output.js
@@ -6,7 +6,9 @@ const Parent = ({}) => _ref;
 
 export default Parent;
 
-var _ref2 = <div className="child">
+var _ref2 =
+/*#__PURE__*/
+<div className="child">
     ChildTextContent
   </div>;
 
@@ -14,6 +16,8 @@ let Child = () => _ref2;
 
 Child = HOC(Child);
 
-var _ref = <div className="parent">
+var _ref =
+/*#__PURE__*/
+<div className="parent">
     <Child />
   </div>;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/function-parameter/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/function-parameter/output.js
index 0e737624dad5..9aa0a32a4848 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/function-parameter/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/function-parameter/output.js
@@ -1,5 +1,7 @@
 function render(text) {
-  var _ref = <foo>{text}</foo>;
+  var _ref =
+  /*#__PURE__*/
+  <foo>{text}</foo>;
 
   return function () {
     return _ref;
@@ -9,7 +11,9 @@ function render(text) {
 var Foo2 = require("Foo");
 
 function createComponent(text) {
-  var _ref2 = <Foo2>{text}</Foo2>;
+  var _ref2 =
+  /*#__PURE__*/
+  <Foo2>{text}</Foo2>;
 
   return function render() {
     return _ref2;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/global-reference/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/global-reference/output.js
index 2bfa9cf8e676..0e89a63b8f0d 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/global-reference/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/global-reference/output.js
@@ -1,4 +1,6 @@
-var _ref = <div foo={notDeclared}></div>;
+var _ref =
+/*#__PURE__*/
+<div foo={notDeclared}></div>;
 
 var Foo = React.createClass({
   render: function render() {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/html-element/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/html-element/output.js
index 7ec3220a51ab..68181887a482 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/html-element/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/html-element/output.js
@@ -1,10 +1,14 @@
-var _ref = <foo />;
+var _ref =
+/*#__PURE__*/
+<foo />;
 
 function render() {
   return _ref;
 }
 
-var _ref2 = <div className="foo"><input type="checkbox" checked={true} /></div>;
+var _ref2 =
+/*#__PURE__*/
+<div className="foo"><input type="checkbox" checked={true} /></div>;
 
 function render() {
   return _ref2;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inline-elements/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inline-elements/output.js
index 7ad3af57ed69..3ae20e546c19 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inline-elements/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inline-elements/output.js
@@ -2,7 +2,9 @@ var REACT_ELEMENT_TYPE;
 
 function _jsx(type, props, key, children) { if (!REACT_ELEMENT_TYPE) { REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol.for && Symbol.for("react.element") || 0xeac7; } var defaultProps = type && type.defaultProps; var childrenLength = arguments.length - 3; if (!props && childrenLength !== 0) { props = { children: void 0 }; } if (props && defaultProps) { for (var propName in defaultProps) { if (props[propName] === void 0) { props[propName] = defaultProps[propName]; } } } else if (!props) { props = defaultProps || {}; } if (childrenLength === 1) { props.children = children; } else if (childrenLength > 1) { var childArray = new Array(childrenLength); for (var i = 0; i < childrenLength; i++) { childArray[i] = arguments[i + 3]; } props.children = childArray; } return { $$typeof: REACT_ELEMENT_TYPE, type: type, key: key === undefined ? null : '' + key, ref: null, props: props, _owner: null }; }
 
-var _ref = _jsx("foo", {});
+var _ref =
+/*#__PURE__*/
+_jsx("foo", {});
 
 function render() {
   return _ref;
@@ -11,7 +13,9 @@ function render() {
 function render() {
   var text = getText();
 
-  var _ref2 = _jsx("foo", {}, void 0, text);
+  var _ref2 =
+  /*#__PURE__*/
+  _jsx("foo", {}, void 0, text);
 
   return function () {
     return _ref2;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inner-declaration/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inner-declaration/output.js
index b0e2cde1adf9..0175f703f8a8 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inner-declaration/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inner-declaration/output.js
@@ -1,7 +1,9 @@
 function render() {
   var text = getText();
 
-  var _ref = <foo>{text}</foo>;
+  var _ref =
+  /*#__PURE__*/
+  <foo>{text}</foo>;
 
   return function () {
     return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-constant/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-constant/output.js
index aa7a9994baeb..ff03fb77d1b2 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-constant/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-constant/output.js
@@ -1,7 +1,9 @@
 function render() {
   this.component = "div";
 
-  var _ref = <this.component />;
+  var _ref =
+  /*#__PURE__*/
+  <this.component />;
 
   return () => _ref;
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-this/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-this/output.js
index 9ce3a08e7437..a22f490042c6 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-this/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-this/output.js
@@ -1,10 +1,14 @@
-var _ref = <span>Sub Component</span>;
+var _ref =
+/*#__PURE__*/
+<span>Sub Component</span>;
 
 class Component extends React.Component {
   constructor(...args) {
     var _temp;
 
-    var _ref2 = <this.subComponent />;
+    var _ref2 =
+    /*#__PURE__*/
+    <this.subComponent />;
 
     return _temp = super(...args), this.subComponent = () => _ref, this.render = () => _ref2, _temp;
   }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression/output.js
index fe12eb988d5d..1abfd5c341d1 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression/output.js
@@ -1,10 +1,14 @@
-var _ref = <span>Sub Component</span>;
+var _ref =
+/*#__PURE__*/
+<span>Sub Component</span>;
 
 const els = {
   subComponent: () => _ref
 };
 
-var _ref2 = <els.subComponent />;
+var _ref2 =
+/*#__PURE__*/
+<els.subComponent />;
 
 class Component extends React.Component {
   constructor(...args) {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/param-and-var/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/param-and-var/output.js
index 599a2b929768..0060b3149672 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/param-and-var/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/param-and-var/output.js
@@ -1,6 +1,8 @@
 function fn(Component, obj) {
   var data = obj.data,
-      _ref = <Component prop={data} />;
+      _ref =
+  /*#__PURE__*/
+  <Component prop={data} />;
 
   return () => _ref;
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-multi/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-multi/output.js
index c039c14143f5..8b89a78b032b 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-multi/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-multi/output.js
@@ -3,7 +3,9 @@ function render(_ref) {
       className = _ref.className,
       id = _ref.id;
 
-  var _ref2 = <Component text={text} className={className} id={id} />;
+  var _ref2 =
+  /*#__PURE__*/
+  <Component text={text} className={className} id={id} />;
 
   return () => _ref2;
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-rest/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-rest/output.js
index a00f73f6f44f..c457d2415822 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-rest/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-rest/output.js
@@ -4,7 +4,9 @@ function render(_ref) {
       id = _ref.id,
       props = babelHelpers.objectWithoutProperties(_ref, ["text", "className", "id"]);
 
-  var _ref2 = <Component text={text} className={className} id={id} />;
+  var _ref2 =
+  /*#__PURE__*/
+  <Component text={text} className={className} id={id} />;
 
   // intentionally ignoring props
   return () => _ref2;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure/output.js
index 272a607c98cc..f890296a95d6 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure/output.js
@@ -1,7 +1,9 @@
 function render(_ref) {
   let text = _ref.text;
 
-  var _ref2 = <Component text={text} />;
+  var _ref2 =
+  /*#__PURE__*/
+  <Component text={text} />;
 
   return () => _ref2;
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-reference/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-reference/output.js
index bec3e3499344..00492afc72d9 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-reference/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-reference/output.js
@@ -1,5 +1,7 @@
 function render(text) {
-  var _ref = <div>{text}</div>;
+  var _ref =
+  /*#__PURE__*/
+  <div>{text}</div>;
 
   return function () {
     return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-2/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-2/output.js
index 71dfc286ceb0..0e6144849ed0 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-2/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-2/output.js
@@ -1,5 +1,7 @@
 function render(offset) {
-  var _ref = <div tabIndex={offset + 1} />;
+  var _ref =
+  /*#__PURE__*/
+  <div tabIndex={offset + 1} />;
 
   return function () {
     return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-3/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-3/output.js
index 79c8b1db9907..41fa9cc9d389 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-3/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-3/output.js
@@ -1,6 +1,8 @@
 const OFFSET = 3;
 
-var _ref = <div tabIndex={OFFSET + 1} />;
+var _ref =
+/*#__PURE__*/
+<div tabIndex={OFFSET + 1} />;
 
 var Foo = React.createClass({
   render: function () {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist-member/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist-member/output.js
index 1452baefa3a7..255829f6ab96 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist-member/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist-member/output.js
@@ -1,6 +1,8 @@
 import Intl from 'react-intl';
 
-var _ref = <Intl.FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
+var _ref =
+/*#__PURE__*/
+<Intl.FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
   someValue: "A value."
 }} />;
 
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist/output.js
index 9df27d0157b4..49e73a566362 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist/output.js
@@ -1,4 +1,6 @@
-var _ref = <FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
+var _ref =
+/*#__PURE__*/
+<FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
   someValue: "A value."
 }} />;
 
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression/output.js
index 957dc4a8a21b..81c65bf5eddf 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression/output.js
@@ -1,4 +1,6 @@
-var _ref = <div data-text={"Some text, " + "and some more too."} />;
+var _ref =
+/*#__PURE__*/
+<div data-text={"Some text, " + "and some more too."} />;
 
 var Foo = React.createClass({
   render: function () {
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/reassignment/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/reassignment/output.js
index 9eb9d792f143..48b45690df71 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/reassignment/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/reassignment/output.js
@@ -1,7 +1,9 @@
 function render(text) {
   text += "yes";
 
-  var _ref = <div>{text}</div>;
+  var _ref =
+  /*#__PURE__*/
+  <div>{text}</div>;
 
   return function () {
     return _ref;
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export-default/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export-default/output.js
index 0424a4d937b8..285010c07551 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export-default/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export-default/output.js
@@ -7,4 +7,6 @@ class A {
 
 export default class B {}
 
-var _ref = React.createElement(B, null);
+var _ref =
+/*#__PURE__*/
+React.createElement(B, null);
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export/output.js
index b42d9d936602..1192322d7be8 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/regression-node-type-export/output.js
@@ -7,4 +7,6 @@ class A {
 
 export class B {}
 
-var _ref = React.createElement(B, null);
+var _ref =
+/*#__PURE__*/
+React.createElement(B, null);
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/text-children/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/text-children/output.js
index 43898f741313..dc358b421fe2 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/text-children/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/text-children/output.js
@@ -1,4 +1,6 @@
-var _ref = <div className="class-name">
+var _ref =
+/*#__PURE__*/
+<div className="class-name">
       Text
     </div>;
 
diff --git a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/var/output.js b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/var/output.js
index a0bf6d783bed..0c7bcb7eb2aa 100644
--- a/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/var/output.js
+++ b/packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/var/output.js
@@ -1,6 +1,8 @@
 function fn(Component) {
   var data = "prop",
-      _ref = <Component prop={data} />;
+      _ref =
+  /*#__PURE__*/
+  <Component prop={data} />;
 
   return () => _ref;
 }
diff --git a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/output.js b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/output.js
index dc5c056f6827..55beb4d7e3a6 100644
--- a/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/output.js
+++ b/packages/babel-plugin-transform-react-jsx/test/fixtures/react/optimisation.react.constant-elements/output.js
@@ -1,4 +1,6 @@
-var _ref = <div className="navbar-header">
+var _ref =
+/*#__PURE__*/
+<div className="navbar-header">
       <a className="navbar-brand" href="/">
         <img src="/img/logo/logo-96x36.png" />
       </a>
diff --git a/packages/babel-traverse/src/path/lib/hoister.js b/packages/babel-traverse/src/path/lib/hoister.js
index 0f6fa039596c..edd27385105d 100644
--- a/packages/babel-traverse/src/path/lib/hoister.js
+++ b/packages/babel-traverse/src/path/lib/hoister.js
@@ -206,10 +206,11 @@ export default class PathHoister {
 
     // generate declaration and insert it to our point
     let uid = attachTo.scope.generateUidIdentifier("ref");
+
     const declarator = t.variableDeclarator(uid, this.path.node);
 
     const insertFn = this.attachAfter ? "insertAfter" : "insertBefore";
-    attachTo[insertFn]([
+    const [attached] = attachTo[insertFn]([
       attachTo.isVariableDeclarator()
         ? declarator
         : t.variableDeclaration("var", [declarator]),
@@ -223,5 +224,9 @@ export default class PathHoister {
     }
 
     this.path.replaceWith(t.cloneNode(uid));
+
+    return attachTo.isVariableDeclarator()
+      ? attached.get("init")
+      : attached.get("declarations.0.init");
   }
 }

From 84de90e5725dbaeb1bc2da6c93d85439ef612093 Mon Sep 17 00:00:00 2001
From: Mike S <SpainTrain@users.noreply.github.com>
Date: Thu, 22 Feb 2018 21:30:01 -0500
Subject: [PATCH 027/140] Better error message for invalid plugin/preset
 (#7238)

- Error for invalid plugin/preset now includes file path
---
 packages/babel-core/src/config/config-descriptors.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-core/src/config/config-descriptors.js b/packages/babel-core/src/config/config-descriptors.js
index 6b31c640d2ae..a7ea427179a4 100644
--- a/packages/babel-core/src/config/config-descriptors.js
+++ b/packages/babel-core/src/config/config-descriptors.js
@@ -226,7 +226,7 @@ function createDescriptor(
     // config object, because it can be useful to define them in nested
     // configuration contexts.
     throw new Error(
-      "Plugin/Preset files are not allowed to export objects, only functions.",
+      `Plugin/Preset files are not allowed to export objects, only functions. In ${filepath}`,
     );
   }
 

From cfb830b5bda0e6112ba47fc32481d03bcc6c3801 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 22 Feb 2018 18:43:47 -0800
Subject: [PATCH 028/140] Overwrite instead of merging babel-register options.

---
 packages/babel-register/src/node.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/babel-register/src/node.js b/packages/babel-register/src/node.js
index a20514f2a1f1..9e1e351fbcdb 100644
--- a/packages/babel-register/src/node.js
+++ b/packages/babel-register/src/node.js
@@ -9,7 +9,7 @@ import fs from "fs";
 import path from "path";
 
 const maps = {};
-const transformOpts = {};
+let transformOpts = {};
 let piratesRevert = null;
 
 function installSourceMapSupport() {
@@ -113,9 +113,9 @@ export default function register(opts?: Object = {}) {
   delete opts.extensions;
   delete opts.cache;
 
-  Object.assign(transformOpts, opts);
+  transformOpts = Object.assign({}, opts);
 
-  if (!transformOpts.ignore && !transformOpts.only) {
+  if (transformOpts.ignore === undefined && transformOpts.only === undefined) {
     transformOpts.only = [
       // Only compile things inside the current working directory.
       new RegExp("^" + escapeRegExp(process.cwd()), "i"),

From a99e9614a66eb3dc0d005c8362c50f628cf68a34 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 22 Feb 2018 18:48:36 -0800
Subject: [PATCH 029/140] Resolve the babel-register working directory up
 front.

---
 packages/babel-register/src/node.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/babel-register/src/node.js b/packages/babel-register/src/node.js
index 9e1e351fbcdb..9dbdf5d65986 100644
--- a/packages/babel-register/src/node.js
+++ b/packages/babel-register/src/node.js
@@ -115,16 +115,22 @@ export default function register(opts?: Object = {}) {
 
   transformOpts = Object.assign({}, opts);
 
+  let { cwd = "." } = transformOpts;
+
+  // Ensure that the working directory is resolved up front so that
+  // things don't break if it changes later.
+  cwd = transformOpts.cwd = path.resolve(cwd);
+
   if (transformOpts.ignore === undefined && transformOpts.only === undefined) {
     transformOpts.only = [
       // Only compile things inside the current working directory.
-      new RegExp("^" + escapeRegExp(process.cwd()), "i"),
+      new RegExp("^" + escapeRegExp(cwd), "i"),
     ];
     transformOpts.ignore = [
       // Ignore any node_modules inside the current working directory.
       new RegExp(
         "^" +
-          escapeRegExp(process.cwd()) +
+          escapeRegExp(cwd) +
           "(?:" +
           path.sep +
           ".*)?" +

From 70627ac92c0943512555a67fc98667a3ebb5ef16 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Thu, 22 Feb 2018 22:01:02 -0500
Subject: [PATCH 030/140] =?UTF-8?q?we=20can=20use=20emojis=20=F0=9F=98=8A[?=
 =?UTF-8?q?skip=20ci]?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lerna.json | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lerna.json b/lerna.json
index 1a0005224791..ebd0f70d3cf6 100644
--- a/lerna.json
+++ b/lerna.json
@@ -4,13 +4,13 @@
   "changelog": {
     "repo": "babel/babel",
     "labels": {
-      "PR: Spec Compliancy": ":eyeglasses: Spec Compliancy",
-      "PR: Breaking Change": ":boom: Breaking Change",
-      "PR: New Feature": ":rocket: New Feature",
-      "PR: Bug Fix": ":bug: Bug Fix",
-      "PR: Polish": ":nail_care: Polish",
-      "PR: Docs": ":memo: Documentation",
-      "PR: Internal": ":house: Internal"
+      "PR: Spec Compliancy :eyeglasses:": ":eyeglasses: Spec Compliancy",
+      "PR: Breaking Change :boom:": ":boom: Breaking Change",
+      "PR: New Feature :rocket:": ":rocket: New Feature",
+      "PR: Bug Fix :bug:": ":bug: Bug Fix",
+      "PR: Polish :nail_care:": ":nail_care: Polish",
+      "PR: Docs :memo:": ":memo: Documentation",
+      "PR: Internal :house:": ":house: Internal"
     }
   },
   "cacheDir": ".changelog",

From 62c1046249377e76b0d93b3d2bde824b13e2971f Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 22 Feb 2018 23:54:29 -0800
Subject: [PATCH 031/140] Avoid re-traversing inserted references to the
 namespace binding. (#7418)

---
 .../src/rewrite-live-references.js                 |  4 ++++
 .../test/fixtures/regression/lazy-7176/input.js    |  5 +++++
 .../fixtures/regression/lazy-7176/options.json     |  6 ++++++
 .../test/fixtures/regression/lazy-7176/output.js   | 14 ++++++++++++++
 4 files changed, 29 insertions(+)
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/input.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/options.json
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js

diff --git a/packages/babel-helper-module-transforms/src/rewrite-live-references.js b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
index 62c7ddf8d19f..e73bb05dad1c 100644
--- a/packages/babel-helper-module-transforms/src/rewrite-live-references.js
+++ b/packages/babel-helper-module-transforms/src/rewrite-live-references.js
@@ -202,6 +202,10 @@ const rewriteReferencesVisitor = {
       }
 
       requeueInParent(path);
+
+      // The path could have been replaced with an identifier that would
+      // otherwise be re-visited, so we skip processing its children.
+      path.skip();
     }
   },
 
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/input.js
new file mode 100644
index 000000000000..b6c0b8c94746
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/input.js
@@ -0,0 +1,5 @@
+import * as mod from "mod";
+import { named } from "mod";
+
+named;
+mod;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/options.json
new file mode 100644
index 000000000000..4d4cb9542015
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/options.json
@@ -0,0 +1,6 @@
+{
+  "plugins": [
+    ["transform-modules-commonjs", {"lazy": true}],
+    "external-helpers"
+  ]
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js
new file mode 100644
index 000000000000..1d580efea9c8
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js
@@ -0,0 +1,14 @@
+"use strict";
+
+function mod() {
+  const data = babelHelpers.interopRequireWildcard(require("mod"));
+
+  mod = function () {
+    return data;
+  };
+
+  return data;
+}
+
+mod().named;
+mod();

From 959865b48d53fd761360a8d8194ee307c7c1edee Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 23 Feb 2018 08:44:45 -0600
Subject: [PATCH 032/140] Update babel to beta.40 (#7413)

---
 package.json |  14 +-
 yarn.lock    | 928 ++++++++++++++++++++++++++-------------------------
 2 files changed, 474 insertions(+), 468 deletions(-)

diff --git a/package.json b/package.json
index 3ee0302b58dd..6638f68c9b9f 100644
--- a/package.json
+++ b/package.json
@@ -10,18 +10,18 @@
     "test": "make test"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.39",
-    "@babel/core": "7.0.0-beta.39",
-    "@babel/preset-env": "7.0.0-beta.39",
-    "@babel/preset-flow": "7.0.0-beta.39",
-    "@babel/preset-stage-0": "7.0.0-beta.39",
-    "@babel/register": "7.0.0-beta.39",
+    "@babel/cli": "7.0.0-beta.40",
+    "@babel/core": "7.0.0-beta.40",
+    "@babel/preset-env": "7.0.0-beta.40",
+    "@babel/preset-flow": "7.0.0-beta.40",
+    "@babel/preset-stage-0": "7.0.0-beta.40",
+    "@babel/register": "7.0.0-beta.40",
     "async": "^1.5.0",
     "babel-eslint": "^8.0.1",
     "babel-loader": "8.0.0-beta.0",
     "babel-plugin-istanbul": "^4.1.5",
     "babel-plugin-transform-charcodes": "0.0.10",
-    "babylon": "7.0.0-beta.39",
+    "babylon": "7.0.0-beta.40",
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",
diff --git a/yarn.lock b/yarn.lock
index 6f0fef56f75d..345a2f985b1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,9 +2,9 @@
 # yarn lockfile v1
 
 
-"@babel/cli@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.0.0-beta.39.tgz#0764d7ed63880ab322762f1401cc32bb9b4ec006"
+"@babel/cli@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.0.0-beta.40.tgz#6f96760267685a4c2f053b40316e95fe8c924a6e"
   dependencies:
     commander "^2.8.1"
     convert-source-map "^1.1.0"
@@ -33,25 +33,23 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@babel/code-frame@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.39.tgz#91c90bb65207fc5a55128cb54956ded39e850457"
+"@babel/code-frame@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.40.tgz#37e2b0cf7c56026b4b21d3927cadf81adec32ac6"
   dependencies:
-    chalk "^2.0.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
+    "@babel/highlight" "7.0.0-beta.40"
 
-"@babel/core@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.39.tgz#242b8c0b99573de0395eaaa94e2d82a9cd008cf3"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.39"
-    "@babel/generator" "7.0.0-beta.39"
-    "@babel/helpers" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
-    babylon "7.0.0-beta.39"
+"@babel/core@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.40.tgz#455464dd81d499fd97d32b473f0331f74379a33f"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.40"
+    "@babel/generator" "7.0.0-beta.40"
+    "@babel/helpers" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
+    babylon "7.0.0-beta.40"
     convert-source-map "^1.1.0"
     debug "^3.0.1"
     json5 "^0.5.0"
@@ -70,51 +68,51 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/generator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.39.tgz#d2c9f0a9c47d5ff288f0306aedd0cf89983cb6ed"
+"@babel/generator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.40.tgz#ab61f9556f4f71dbd1138949c795bb9a21e302ea"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
     jsesc "^2.5.1"
     lodash "^4.2.0"
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/helper-annotate-as-pure@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0-beta.39.tgz#cf9506c721c838806ca5eabe15783507ba2edce0"
+"@babel/helper-annotate-as-pure@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0-beta.40.tgz#095dd4c70b231eba17ebf61c3434e6f9d71bd574"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-builder-binary-assignment-operator-visitor@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.0.0-beta.39.tgz#ce97bd572aeb2b2c1200c7a49dba019659a95f3c"
+"@babel/helper-builder-binary-assignment-operator-visitor@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.0.0-beta.40.tgz#bec4240c95d8b646812c5d4ac536a5579dbcdd53"
   dependencies:
-    "@babel/helper-explode-assignable-expression" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-explode-assignable-expression" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-call-delegate@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.0.0-beta.39.tgz#7851645811a4bc3eb7cf5f1c72b1c754d0a5e45d"
+"@babel/helper-call-delegate@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.0.0-beta.40.tgz#5d5000d0bf76c68ee6866961e0b7eb6e9ed52438"
   dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-hoist-variables" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-define-map@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.39.tgz#3da7e7a94a213fde02f936b08dc458f546350caa"
+"@babel/helper-define-map@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.40.tgz#ad64c548dd98e7746305852f113ed04dc74329c0"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/helper-explode-assignable-expression@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.0.0-beta.39.tgz#13d3068b6408b9c191d402df62bd356220884f8f"
+"@babel/helper-explode-assignable-expression@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.0.0-beta.40.tgz#0ef579288d894a987c60bf0577c074ad18cfa9dd"
   dependencies:
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
 "@babel/helper-function-name@7.0.0-beta.36":
   version "7.0.0-beta.36"
@@ -132,13 +130,13 @@
     "@babel/template" "7.0.0-beta.38"
     "@babel/types" "7.0.0-beta.38"
 
-"@babel/helper-function-name@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.39.tgz#34f8ca0c46cdd7056ae706468a8078dab53dbc91"
+"@babel/helper-function-name@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.40.tgz#9d033341ab16517f40d43a73f2d81fc431ccd7b6"
   dependencies:
-    "@babel/helper-get-function-arity" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-get-function-arity" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
 "@babel/helper-get-function-arity@7.0.0-beta.36":
   version "7.0.0-beta.36"
@@ -152,511 +150,519 @@
   dependencies:
     "@babel/types" "7.0.0-beta.38"
 
-"@babel/helper-get-function-arity@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.39.tgz#f542cb644c7866f9335b1ffc0614bbe633bd60ce"
+"@babel/helper-get-function-arity@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.40.tgz#ac0419cf067b0ec16453e1274f03878195791c6e"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-hoist-variables@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0-beta.39.tgz#3a2d4929783ef3445686e768f52bfcf9ffb182b9"
+"@babel/helper-hoist-variables@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0-beta.40.tgz#59d47fd133782d60db89af0d18083ad3c9f4801c"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-module-imports@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.39.tgz#39e1fd4b8f5982b05417f73250a620070541192e"
+"@babel/helper-module-imports@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.40.tgz#251cbb6404599282e8f7356a5b32c9381bef5d2d"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/helper-module-transforms@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.0.0-beta.39.tgz#3ebf72bc2cb6453e9c5930a667496bdfa64bcf5e"
+"@babel/helper-module-transforms@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.0.0-beta.40.tgz#e5240afd47bd98f6ae65874b9ae508533abfee76"
   dependencies:
-    "@babel/helper-module-imports" "7.0.0-beta.39"
-    "@babel/helper-simple-access" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-module-imports" "7.0.0-beta.40"
+    "@babel/helper-simple-access" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/helper-optimise-call-expression@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.39.tgz#2f2c76665fb9128feb0b84a162b3dcaecc53a102"
+"@babel/helper-optimise-call-expression@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.40.tgz#f0e7f70d455bff8ab6a248a84f0221098fa468ac"
   dependencies:
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-regex@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0-beta.39.tgz#852d94c0eedcf1d9b8513cda01f18c4838592c41"
+"@babel/helper-regex@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0-beta.40.tgz#b47018ecca8ff66bb390c34a95ff71bc01495833"
   dependencies:
     lodash "^4.2.0"
 
-"@babel/helper-remap-async-to-generator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.0.0-beta.39.tgz#64e715ddd24fa60e02dd139acac0d58a55508433"
+"@babel/helper-remap-async-to-generator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.0.0-beta.40.tgz#33414d1cc160ebf0991ebc60afebe36b08feae05"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.39"
-    "@babel/helper-wrap-function" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
+    "@babel/helper-wrap-function" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-replace-supers@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.0.0-beta.39.tgz#6ddb6167ad18904fd43d9f0df909b90fe09f0569"
+"@babel/helper-replace-supers@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.0.0-beta.40.tgz#2ab0c9e7fa17d313745f1634ce6b7bccaa5dd5fe"
   dependencies:
-    "@babel/helper-optimise-call-expression" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/helper-optimise-call-expression" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-simple-access@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.0.0-beta.39.tgz#fbe9e70c4fe64e0dbe01e675b2bb97b5f3514d3a"
+"@babel/helper-simple-access@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.0.0-beta.40.tgz#018f765090a3d25153778958969f235dc6ce5b57"
   dependencies:
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/helper-wrap-function@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.0.0-beta.39.tgz#ef4e6ef66791276351b6609545394900552b35c9"
+"@babel/helper-wrap-function@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.0.0-beta.40.tgz#4db4630cdaf4fd47fa2c45b5b7a9ecc33ff3f2be"
+  dependencies:
+    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
+
+"@babel/helpers@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.40.tgz#82f8e144f56b2896b1d624ca88ac4603023ececd"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.39"
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    "@babel/template" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
 
-"@babel/helpers@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.39.tgz#13f7d4b959ef3cc0f2af59179237f5d302ded176"
+"@babel/highlight@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.40.tgz#b43d67d76bf46e1d10d227f68cddcd263786b255"
   dependencies:
-    "@babel/template" "7.0.0-beta.39"
-    "@babel/traverse" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
 
-"@babel/plugin-proposal-async-generator-functions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-beta.39.tgz#ae7fd6686c6709f374d5e531587afabd1fb19042"
+"@babel/plugin-proposal-async-generator-functions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-beta.40.tgz#64f4aebc3fff33d2ae8f0a0870f0dfe2ff6815d6"
   dependencies:
-    "@babel/helper-remap-async-to-generator" "7.0.0-beta.39"
-    "@babel/plugin-syntax-async-generators" "7.0.0-beta.39"
+    "@babel/helper-remap-async-to-generator" "7.0.0-beta.40"
+    "@babel/plugin-syntax-async-generators" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-class-properties@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.0.0-beta.39.tgz#251bf1cdbaa2d533897b57d26ac39cf52e25c734"
+"@babel/plugin-proposal-class-properties@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.0.0-beta.40.tgz#ee0549729e9f44603efa17523b459ea3021458dc"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.39"
-    "@babel/plugin-syntax-class-properties" "7.0.0-beta.39"
+    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/plugin-syntax-class-properties" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-decorators@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-decorators/-/plugin-proposal-decorators-7.0.0-beta.39.tgz#cfd96774bdeabfaca2055b3009d63423eb461259"
+"@babel/plugin-proposal-decorators@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-decorators/-/plugin-proposal-decorators-7.0.0-beta.40.tgz#d2c033bfa55719ddea681c241c9609b346c7cd9c"
   dependencies:
-    "@babel/plugin-syntax-decorators" "7.0.0-beta.39"
+    "@babel/plugin-syntax-decorators" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-do-expressions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-do-expressions/-/plugin-proposal-do-expressions-7.0.0-beta.39.tgz#d1e9925ee3c91198baa15521c2b0243ca8c4b01b"
+"@babel/plugin-proposal-do-expressions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-do-expressions/-/plugin-proposal-do-expressions-7.0.0-beta.40.tgz#ab49417110c75ad22ae23b319279a71306d9802b"
   dependencies:
-    "@babel/plugin-syntax-do-expressions" "7.0.0-beta.39"
+    "@babel/plugin-syntax-do-expressions" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-export-default-from@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-default-from/-/plugin-proposal-export-default-from-7.0.0-beta.39.tgz#708146a7f8a3f71eedd9b9206437187d3ec50b43"
+"@babel/plugin-proposal-export-default-from@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-default-from/-/plugin-proposal-export-default-from-7.0.0-beta.40.tgz#af86537dc76cb3d31b6697480e30058a6da3c753"
   dependencies:
-    "@babel/plugin-syntax-export-default-from" "7.0.0-beta.39"
+    "@babel/plugin-syntax-export-default-from" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-export-namespace-from@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.0.0-beta.39.tgz#861ca8b83e2df981e5022193760e459a0c41300a"
+"@babel/plugin-proposal-export-namespace-from@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.0.0-beta.40.tgz#ae8cdf479c256823f45a052e023b3a50aa350c5a"
   dependencies:
-    "@babel/plugin-syntax-export-namespace-from" "7.0.0-beta.39"
+    "@babel/plugin-syntax-export-namespace-from" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-function-bind@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-bind/-/plugin-proposal-function-bind-7.0.0-beta.39.tgz#a5e6ad608b21427c4c2c99c3892cbb14211d1a66"
+"@babel/plugin-proposal-function-bind@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-bind/-/plugin-proposal-function-bind-7.0.0-beta.40.tgz#2c0269686bdc3fee64bff42db44dea2d2ab7c7a6"
   dependencies:
-    "@babel/plugin-syntax-function-bind" "7.0.0-beta.39"
+    "@babel/plugin-syntax-function-bind" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-function-sent@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.0.0-beta.39.tgz#af6d2995f3157727b9afe49902a9ec35e0b28931"
+"@babel/plugin-proposal-function-sent@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.0.0-beta.40.tgz#9e99c4f8cd63f32849534a6888480af2d1e09e24"
   dependencies:
-    "@babel/helper-wrap-function" "7.0.0-beta.39"
-    "@babel/plugin-syntax-function-sent" "7.0.0-beta.39"
+    "@babel/helper-wrap-function" "7.0.0-beta.40"
+    "@babel/plugin-syntax-function-sent" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-nullish-coalescing-operator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.0.0-beta.39.tgz#fa966be1d8ecf19b54c82bde4858ba3e8e330a51"
+"@babel/plugin-proposal-nullish-coalescing-operator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.0.0-beta.40.tgz#51c239dc0ec8831d4e2319eec7538d21ac162336"
   dependencies:
-    "@babel/plugin-syntax-nullish-coalescing-operator" "7.0.0-beta.39"
+    "@babel/plugin-syntax-nullish-coalescing-operator" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-numeric-separator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.0.0-beta.39.tgz#781750e4d8f05c32dce7b37623e309f74bf13132"
+"@babel/plugin-proposal-numeric-separator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.0.0-beta.40.tgz#d7c9dbc6bfa9e410e243373397a89a8977892765"
   dependencies:
-    "@babel/plugin-syntax-numeric-separator" "7.0.0-beta.39"
+    "@babel/plugin-syntax-numeric-separator" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-object-rest-spread@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0-beta.39.tgz#ea4d6ea974a364028e5074b1abe6505924d179a3"
+"@babel/plugin-proposal-object-rest-spread@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0-beta.40.tgz#ce35d2240908e52706a612eb26d67db667cd700f"
   dependencies:
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.39"
+    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-optional-catch-binding@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0-beta.39.tgz#1335778b3a8fc4289a2cfb518f85c6001ea5d9b4"
+"@babel/plugin-proposal-optional-catch-binding@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0-beta.40.tgz#e76ddcb21880eea0225f1dcde20a5e97ca85fd39"
   dependencies:
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.39"
+    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-optional-chaining@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.0.0-beta.39.tgz#b4501f8252355df419c956c454b66619af41a5c4"
+"@babel/plugin-proposal-optional-chaining@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.0.0-beta.40.tgz#2fe8e8e0f17fa0fe0a9bdd3e7d72594ba773cc80"
   dependencies:
-    "@babel/plugin-syntax-optional-chaining" "7.0.0-beta.39"
+    "@babel/plugin-syntax-optional-chaining" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-pipeline-operator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-pipeline-operator/-/plugin-proposal-pipeline-operator-7.0.0-beta.39.tgz#b81c30c3317dfc37d2fe602bbba54b5e9eb4faa2"
+"@babel/plugin-proposal-pipeline-operator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-pipeline-operator/-/plugin-proposal-pipeline-operator-7.0.0-beta.40.tgz#768bbde06bb7f1695bf4eef79c1702a269f6c08a"
   dependencies:
-    "@babel/plugin-syntax-pipeline-operator" "7.0.0-beta.39"
+    "@babel/plugin-syntax-pipeline-operator" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-throw-expressions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-throw-expressions/-/plugin-proposal-throw-expressions-7.0.0-beta.39.tgz#f94092fe1b71453cd5040ea2e0b3a75600f4bc10"
+"@babel/plugin-proposal-throw-expressions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-throw-expressions/-/plugin-proposal-throw-expressions-7.0.0-beta.40.tgz#4f34c51a9455baf81fdc2eec176a2c68c59eab20"
   dependencies:
-    "@babel/plugin-syntax-throw-expressions" "7.0.0-beta.39"
+    "@babel/plugin-syntax-throw-expressions" "7.0.0-beta.40"
 
-"@babel/plugin-proposal-unicode-property-regex@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0-beta.39.tgz#7b6748fb69f767f883838c3bbd2aa4d428c65cff"
+"@babel/plugin-proposal-unicode-property-regex@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0-beta.40.tgz#1fb2c29c8bd88d5fff82ec080dbe24e7126ec460"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.39"
+    "@babel/helper-regex" "7.0.0-beta.40"
     regexpu-core "^4.1.3"
 
-"@babel/plugin-syntax-async-generators@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0-beta.39.tgz#ace93b8bb53e256a330b21d78304843fd6d72ab4"
+"@babel/plugin-syntax-async-generators@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0-beta.40.tgz#6c45889569add3b3721cc9a481ae99906f240874"
 
-"@babel/plugin-syntax-class-properties@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.0.0-beta.39.tgz#a1a0e89c6042635cd21aafbdec3f006f06c368aa"
+"@babel/plugin-syntax-class-properties@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.0.0-beta.40.tgz#ff82c04c6d97cdb947dc64e3f3d4bc791e85a16f"
 
-"@babel/plugin-syntax-decorators@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-decorators/-/plugin-syntax-decorators-7.0.0-beta.39.tgz#7edaae1b4df9c2fafc9f8f0ce4b6ef3336cbc2a1"
+"@babel/plugin-syntax-decorators@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-decorators/-/plugin-syntax-decorators-7.0.0-beta.40.tgz#26700fe4599606701bf73cddedeb6f470aa0fe54"
 
-"@babel/plugin-syntax-do-expressions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-do-expressions/-/plugin-syntax-do-expressions-7.0.0-beta.39.tgz#3c185549a1b8c64d5a0bcb9809681c65511737df"
+"@babel/plugin-syntax-do-expressions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-do-expressions/-/plugin-syntax-do-expressions-7.0.0-beta.40.tgz#05afe1230a8dabc5dc84800c3b6553c1d374695e"
 
-"@babel/plugin-syntax-dynamic-import@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.0.0-beta.39.tgz#75c15750bc7df0d89d5d81dcf28cf84516b25e7c"
+"@babel/plugin-syntax-dynamic-import@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.0.0-beta.40.tgz#5d9b58d4fbe1dfabbd44dee2eb267c466d7e9b87"
 
-"@babel/plugin-syntax-export-default-from@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-default-from/-/plugin-syntax-export-default-from-7.0.0-beta.39.tgz#e46deae4bc12fb008d3a6efef934fc837eb3cbe0"
+"@babel/plugin-syntax-export-default-from@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-default-from/-/plugin-syntax-export-default-from-7.0.0-beta.40.tgz#6457a80bd22779eaf61f41b1d322d84d7e2deb65"
 
-"@babel/plugin-syntax-export-namespace-from@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-namespace-from/-/plugin-syntax-export-namespace-from-7.0.0-beta.39.tgz#aa7b0b60c1c20250f89d09204c03fc67e3f9806c"
+"@babel/plugin-syntax-export-namespace-from@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-namespace-from/-/plugin-syntax-export-namespace-from-7.0.0-beta.40.tgz#c1622252e7059f16cd4ed0c8d6353ff73684fc86"
 
-"@babel/plugin-syntax-flow@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-flow/-/plugin-syntax-flow-7.0.0-beta.39.tgz#b9247a81e4dacaa57aac3670792d788a64253f68"
+"@babel/plugin-syntax-flow@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-flow/-/plugin-syntax-flow-7.0.0-beta.40.tgz#2326da177cd83ad3d12e8324ad003edb702c384c"
 
-"@babel/plugin-syntax-function-bind@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-bind/-/plugin-syntax-function-bind-7.0.0-beta.39.tgz#ad4a6604de10bc9579307089ecdd3451b963d21d"
+"@babel/plugin-syntax-function-bind@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-bind/-/plugin-syntax-function-bind-7.0.0-beta.40.tgz#e871da1b529821affc2954abd4bec9e52da0a357"
 
-"@babel/plugin-syntax-function-sent@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.0.0-beta.39.tgz#95a3b02e3a8484d4233f9479c14f7a2e960cee37"
+"@babel/plugin-syntax-function-sent@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.0.0-beta.40.tgz#ed4906f37695a6c0a2fc0d6b129fa89afdd7d635"
 
-"@babel/plugin-syntax-import-meta@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.0.0-beta.39.tgz#56658e7487227ca7c350b67031c0e16ce987558d"
+"@babel/plugin-syntax-import-meta@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.0.0-beta.40.tgz#40b2f7508d418fe624148e81030e2355b689f104"
 
-"@babel/plugin-syntax-nullish-coalescing-operator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.0.0-beta.39.tgz#95f0937730ae77c8efa63189d0e47364bf23ceb4"
+"@babel/plugin-syntax-nullish-coalescing-operator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.0.0-beta.40.tgz#1bd13137a2053b1bab0bb4e914e141fd67a10d7e"
 
-"@babel/plugin-syntax-numeric-separator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-numeric-separator/-/plugin-syntax-numeric-separator-7.0.0-beta.39.tgz#347231ff2acf2479d38e4789a976c82c00d38818"
+"@babel/plugin-syntax-numeric-separator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-numeric-separator/-/plugin-syntax-numeric-separator-7.0.0-beta.40.tgz#d63dd89919b94632310a83c8be4d50b5c479b3a5"
 
-"@babel/plugin-syntax-object-rest-spread@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0-beta.39.tgz#f19f0761ccebf1d579197705e2efda36e1a45545"
+"@babel/plugin-syntax-object-rest-spread@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0-beta.40.tgz#d5e04536062e4df685c203ae48bb19bfe2cf235c"
 
-"@babel/plugin-syntax-optional-catch-binding@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0-beta.39.tgz#b6d3c27d2ceab69cfd132ba19a6d22fd37817fb2"
+"@babel/plugin-syntax-optional-catch-binding@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0-beta.40.tgz#2e3de0919d05136bb658172ef9ba9ef7e84bce9e"
 
-"@babel/plugin-syntax-optional-chaining@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.0.0-beta.39.tgz#28c593e8921000c3f8ed749cdcab55b08824f988"
+"@babel/plugin-syntax-optional-chaining@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.0.0-beta.40.tgz#0a2628511e8f7f35666f5977fb07e1a8d1d363eb"
 
-"@babel/plugin-syntax-pipeline-operator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-pipeline-operator/-/plugin-syntax-pipeline-operator-7.0.0-beta.39.tgz#765ec595f30cd4888bd80d347be1fe866801cbe8"
+"@babel/plugin-syntax-pipeline-operator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-pipeline-operator/-/plugin-syntax-pipeline-operator-7.0.0-beta.40.tgz#602277fa156b41953eb95b154c39d1167a8c98b2"
 
-"@babel/plugin-syntax-throw-expressions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-throw-expressions/-/plugin-syntax-throw-expressions-7.0.0-beta.39.tgz#b93bb8d80b615d17bd7205c2dccfbdfd9ca7cdf0"
+"@babel/plugin-syntax-throw-expressions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-throw-expressions/-/plugin-syntax-throw-expressions-7.0.0-beta.40.tgz#a0d8969dcbfece1d85d1938b4e9ecfac4e411682"
 
-"@babel/plugin-transform-arrow-functions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0-beta.39.tgz#3e6b577392e009816c62a42fc97af10a95760a89"
+"@babel/plugin-transform-arrow-functions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0-beta.40.tgz#0842045b16835d6da0c334d0b09d575852f27962"
 
-"@babel/plugin-transform-async-to-generator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.0.0-beta.39.tgz#25d05e410b3f6f3106781318e10952cdc10ed9d8"
+"@babel/plugin-transform-async-to-generator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.0.0-beta.40.tgz#9195e2473a435b9a9aabc0b64572e9d1ec1c57cb"
   dependencies:
-    "@babel/helper-module-imports" "7.0.0-beta.39"
-    "@babel/helper-remap-async-to-generator" "7.0.0-beta.39"
+    "@babel/helper-module-imports" "7.0.0-beta.40"
+    "@babel/helper-remap-async-to-generator" "7.0.0-beta.40"
 
-"@babel/plugin-transform-block-scoped-functions@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0-beta.39.tgz#aa1de36ba07a6c89b581c2c7d838a2821f014778"
+"@babel/plugin-transform-block-scoped-functions@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0-beta.40.tgz#491e61f860cabe69379233983fe7ca14f879e41f"
 
-"@babel/plugin-transform-block-scoping@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0-beta.39.tgz#44a6f10edc255f600c5616e55f9f48b5fe1ed5d9"
+"@babel/plugin-transform-block-scoping@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0-beta.40.tgz#23197ee6f696b7e5ace884f0dc5434df20d7dd97"
   dependencies:
     lodash "^4.2.0"
 
-"@babel/plugin-transform-classes@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.0.0-beta.39.tgz#fe10e8cbcb6914c2b5cfa072d6ce8d9271f52a9c"
+"@babel/plugin-transform-classes@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.0.0-beta.40.tgz#c7a752009df4bb0f77179027daa0783f9a036b0b"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.39"
-    "@babel/helper-define-map" "7.0.0-beta.39"
-    "@babel/helper-function-name" "7.0.0-beta.39"
-    "@babel/helper-optimise-call-expression" "7.0.0-beta.39"
-    "@babel/helper-replace-supers" "7.0.0-beta.39"
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
+    "@babel/helper-define-map" "7.0.0-beta.40"
+    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/helper-optimise-call-expression" "7.0.0-beta.40"
+    "@babel/helper-replace-supers" "7.0.0-beta.40"
     globals "^11.1.0"
 
-"@babel/plugin-transform-computed-properties@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0-beta.39.tgz#7cc5bf14050380adfe7d119be099e6fe56c0a044"
+"@babel/plugin-transform-computed-properties@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0-beta.40.tgz#e4bd53455d9f96882cc8e9923895d71690f6969e"
 
-"@babel/plugin-transform-destructuring@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.0.0-beta.39.tgz#906cf55d8b5cbcd245634a128651397cbe6f0475"
+"@babel/plugin-transform-destructuring@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.0.0-beta.40.tgz#503a4719eb9ed8c933b50d4ec3f106ed371852ee"
 
-"@babel/plugin-transform-dotall-regex@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0-beta.39.tgz#cb403b70bad7f302832bdbc8eeeb53832852ca5d"
+"@babel/plugin-transform-dotall-regex@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0-beta.40.tgz#89b5ccff477624b97129f9a7e262a436437d7ae2"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.39"
+    "@babel/helper-regex" "7.0.0-beta.40"
     regexpu-core "^4.1.3"
 
-"@babel/plugin-transform-duplicate-keys@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0-beta.39.tgz#5c402995e883d186941e230277df7f89c552f961"
+"@babel/plugin-transform-duplicate-keys@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0-beta.40.tgz#91599be229d4409cf3c9bbd094fb04d354bd8068"
 
-"@babel/plugin-transform-exponentiation-operator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.0.0-beta.39.tgz#d0115ee85e3d895ead38c6fd149df223bde6e069"
+"@babel/plugin-transform-exponentiation-operator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.0.0-beta.40.tgz#bf0bafdd5aad7061c25dba25e29e12329838baeb"
   dependencies:
-    "@babel/helper-builder-binary-assignment-operator-visitor" "7.0.0-beta.39"
+    "@babel/helper-builder-binary-assignment-operator-visitor" "7.0.0-beta.40"
 
-"@babel/plugin-transform-flow-strip-types@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-flow-strip-types/-/plugin-transform-flow-strip-types-7.0.0-beta.39.tgz#3a03fc8ebaa9eddd62bdf501ceeff2a8e048bc4d"
+"@babel/plugin-transform-flow-strip-types@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-flow-strip-types/-/plugin-transform-flow-strip-types-7.0.0-beta.40.tgz#fe3afe922de6dfbd21d9f53f01cbe1bac89e0423"
   dependencies:
-    "@babel/plugin-syntax-flow" "7.0.0-beta.39"
+    "@babel/plugin-syntax-flow" "7.0.0-beta.40"
 
-"@babel/plugin-transform-for-of@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0-beta.39.tgz#77d11bcc9a21267c5848511431ad28b1aa1401db"
+"@babel/plugin-transform-for-of@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0-beta.40.tgz#67920d749bac4840ceeae9907d918dad33908244"
 
-"@babel/plugin-transform-function-name@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.0.0-beta.39.tgz#c677d2cb90462b12fec9ce6e9972524a253340f9"
+"@babel/plugin-transform-function-name@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.0.0-beta.40.tgz#37b5ca4f90fba207d359c0be3af5bfecdc737a3d"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.39"
+    "@babel/helper-function-name" "7.0.0-beta.40"
 
-"@babel/plugin-transform-literals@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0-beta.39.tgz#5c6a097539a5d20cc285e97d785d418d6aad305d"
+"@babel/plugin-transform-literals@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0-beta.40.tgz#a6bf8808f97accf42a171b27a133802aa0650d3e"
 
-"@babel/plugin-transform-modules-amd@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.0.0-beta.39.tgz#130bb5c05411d5be7d17ff7d2740058298fa23c3"
+"@babel/plugin-transform-modules-amd@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.0.0-beta.40.tgz#1882f1a02b16d261a332c87c035c9aeefd402683"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.39"
+    "@babel/helper-module-transforms" "7.0.0-beta.40"
 
-"@babel/plugin-transform-modules-commonjs@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.0.0-beta.39.tgz#b946992db6883b633500231950cdbae19dcaf334"
+"@babel/plugin-transform-modules-commonjs@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.0.0-beta.40.tgz#a85f8c311f498a94a45531cc4ed5ff98b338a70a"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.39"
-    "@babel/helper-simple-access" "7.0.0-beta.39"
+    "@babel/helper-module-transforms" "7.0.0-beta.40"
+    "@babel/helper-simple-access" "7.0.0-beta.40"
 
-"@babel/plugin-transform-modules-systemjs@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.0.0-beta.39.tgz#3ec4ba068077ac618e106273bb9636b2ee467406"
+"@babel/plugin-transform-modules-systemjs@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.0.0-beta.40.tgz#808b372bdbe06a28bf7a3870d8e810bd7298227a"
   dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-beta.39"
+    "@babel/helper-hoist-variables" "7.0.0-beta.40"
 
-"@babel/plugin-transform-modules-umd@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.0.0-beta.39.tgz#25a68675091c39a5fbf72e0d76870f3b248d452e"
+"@babel/plugin-transform-modules-umd@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.0.0-beta.40.tgz#5bd4e395a2673e687ed592608ad2fd4883a5a119"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.39"
+    "@babel/helper-module-transforms" "7.0.0-beta.40"
 
-"@babel/plugin-transform-new-target@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0-beta.39.tgz#deaf7e20bb67f8b8ea6fdd4b2b4c51867d450c0a"
+"@babel/plugin-transform-new-target@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0-beta.40.tgz#ee52bb87fbf325ac054811ec739b25fbce97809e"
 
-"@babel/plugin-transform-object-super@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.0.0-beta.39.tgz#4db6dfffe5b70bdb068ecc5c69394aef24b85d8d"
+"@babel/plugin-transform-object-super@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.0.0-beta.40.tgz#c64f9ba3587610d76c2edfdd8f507a59ea3ba63d"
   dependencies:
-    "@babel/helper-replace-supers" "7.0.0-beta.39"
+    "@babel/helper-replace-supers" "7.0.0-beta.40"
 
-"@babel/plugin-transform-parameters@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.0.0-beta.39.tgz#bcd6f99c7839f52fce3bd05e89841d187f1d4ef8"
+"@babel/plugin-transform-parameters@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.0.0-beta.40.tgz#efa366fab0dcbd0221b46aa2662c324b4b414d1d"
   dependencies:
-    "@babel/helper-call-delegate" "7.0.0-beta.39"
-    "@babel/helper-get-function-arity" "7.0.0-beta.39"
+    "@babel/helper-call-delegate" "7.0.0-beta.40"
+    "@babel/helper-get-function-arity" "7.0.0-beta.40"
 
-"@babel/plugin-transform-regenerator@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0-beta.39.tgz#6f85c3ac987824fe037fc83dcda75c4d7502344c"
+"@babel/plugin-transform-regenerator@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0-beta.40.tgz#f8a89ce89a0fae8e9cdfc2f2768104811517374a"
   dependencies:
     regenerator-transform "^0.12.3"
 
-"@babel/plugin-transform-shorthand-properties@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0-beta.39.tgz#caa480ecb159481df8e1c405aaac865a54781630"
+"@babel/plugin-transform-shorthand-properties@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0-beta.40.tgz#421835237b0fcab0e67c941726d95dfc543514f4"
 
-"@babel/plugin-transform-spread@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0-beta.39.tgz#75358c67a52cc2cc266ea598dc0447e0f4e239d7"
+"@babel/plugin-transform-spread@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0-beta.40.tgz#881578938e5750137301750bef7fdd0e01be76be"
 
-"@babel/plugin-transform-sticky-regex@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0-beta.39.tgz#9e989e99efb9dc84928507adb260934f2e336713"
+"@babel/plugin-transform-sticky-regex@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0-beta.40.tgz#5b44b31f8539fc66af18962e55752b82298032ee"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.39"
+    "@babel/helper-regex" "7.0.0-beta.40"
 
-"@babel/plugin-transform-template-literals@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0-beta.39.tgz#65b06d42ed0f04f18aeb45bc7a588db7783cc7d1"
+"@babel/plugin-transform-template-literals@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0-beta.40.tgz#5ef3377d1294aee39b913768a1f884806a45393b"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.39"
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
 
-"@babel/plugin-transform-typeof-symbol@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0-beta.39.tgz#ac2134df64e014e864f7678e46770ecd13f604e9"
+"@babel/plugin-transform-typeof-symbol@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0-beta.40.tgz#67f0b8a5dd298b0aa5b347c3b6738c9c7baf1bcf"
 
-"@babel/plugin-transform-unicode-regex@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0-beta.39.tgz#cbfd3e78bb7ce04597cbde55b177f8b61b6b20b3"
+"@babel/plugin-transform-unicode-regex@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0-beta.40.tgz#a956187aad2965d7c095d64b1ae87eba10e0a2c6"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.39"
+    "@babel/helper-regex" "7.0.0-beta.40"
     regexpu-core "^4.1.3"
 
-"@babel/preset-env@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.0.0-beta.39.tgz#3977e2d4dc7d196b07bb3bd23fb18bc280b20fa3"
-  dependencies:
-    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.39"
-    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.39"
-    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.39"
-    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.39"
-    "@babel/plugin-syntax-async-generators" "7.0.0-beta.39"
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.39"
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.39"
-    "@babel/plugin-transform-arrow-functions" "7.0.0-beta.39"
-    "@babel/plugin-transform-async-to-generator" "7.0.0-beta.39"
-    "@babel/plugin-transform-block-scoped-functions" "7.0.0-beta.39"
-    "@babel/plugin-transform-block-scoping" "7.0.0-beta.39"
-    "@babel/plugin-transform-classes" "7.0.0-beta.39"
-    "@babel/plugin-transform-computed-properties" "7.0.0-beta.39"
-    "@babel/plugin-transform-destructuring" "7.0.0-beta.39"
-    "@babel/plugin-transform-dotall-regex" "7.0.0-beta.39"
-    "@babel/plugin-transform-duplicate-keys" "7.0.0-beta.39"
-    "@babel/plugin-transform-exponentiation-operator" "7.0.0-beta.39"
-    "@babel/plugin-transform-for-of" "7.0.0-beta.39"
-    "@babel/plugin-transform-function-name" "7.0.0-beta.39"
-    "@babel/plugin-transform-literals" "7.0.0-beta.39"
-    "@babel/plugin-transform-modules-amd" "7.0.0-beta.39"
-    "@babel/plugin-transform-modules-commonjs" "7.0.0-beta.39"
-    "@babel/plugin-transform-modules-systemjs" "7.0.0-beta.39"
-    "@babel/plugin-transform-modules-umd" "7.0.0-beta.39"
-    "@babel/plugin-transform-new-target" "7.0.0-beta.39"
-    "@babel/plugin-transform-object-super" "7.0.0-beta.39"
-    "@babel/plugin-transform-parameters" "7.0.0-beta.39"
-    "@babel/plugin-transform-regenerator" "7.0.0-beta.39"
-    "@babel/plugin-transform-shorthand-properties" "7.0.0-beta.39"
-    "@babel/plugin-transform-spread" "7.0.0-beta.39"
-    "@babel/plugin-transform-sticky-regex" "7.0.0-beta.39"
-    "@babel/plugin-transform-template-literals" "7.0.0-beta.39"
-    "@babel/plugin-transform-typeof-symbol" "7.0.0-beta.39"
-    "@babel/plugin-transform-unicode-regex" "7.0.0-beta.39"
-    browserslist "^2.4.0"
+"@babel/preset-env@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.0.0-beta.40.tgz#713292f9e410f76b3f4301330756c89343c4b2e4"
+  dependencies:
+    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.40"
+    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.40"
+    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.40"
+    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.40"
+    "@babel/plugin-syntax-async-generators" "7.0.0-beta.40"
+    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.40"
+    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.40"
+    "@babel/plugin-transform-arrow-functions" "7.0.0-beta.40"
+    "@babel/plugin-transform-async-to-generator" "7.0.0-beta.40"
+    "@babel/plugin-transform-block-scoped-functions" "7.0.0-beta.40"
+    "@babel/plugin-transform-block-scoping" "7.0.0-beta.40"
+    "@babel/plugin-transform-classes" "7.0.0-beta.40"
+    "@babel/plugin-transform-computed-properties" "7.0.0-beta.40"
+    "@babel/plugin-transform-destructuring" "7.0.0-beta.40"
+    "@babel/plugin-transform-dotall-regex" "7.0.0-beta.40"
+    "@babel/plugin-transform-duplicate-keys" "7.0.0-beta.40"
+    "@babel/plugin-transform-exponentiation-operator" "7.0.0-beta.40"
+    "@babel/plugin-transform-for-of" "7.0.0-beta.40"
+    "@babel/plugin-transform-function-name" "7.0.0-beta.40"
+    "@babel/plugin-transform-literals" "7.0.0-beta.40"
+    "@babel/plugin-transform-modules-amd" "7.0.0-beta.40"
+    "@babel/plugin-transform-modules-commonjs" "7.0.0-beta.40"
+    "@babel/plugin-transform-modules-systemjs" "7.0.0-beta.40"
+    "@babel/plugin-transform-modules-umd" "7.0.0-beta.40"
+    "@babel/plugin-transform-new-target" "7.0.0-beta.40"
+    "@babel/plugin-transform-object-super" "7.0.0-beta.40"
+    "@babel/plugin-transform-parameters" "7.0.0-beta.40"
+    "@babel/plugin-transform-regenerator" "7.0.0-beta.40"
+    "@babel/plugin-transform-shorthand-properties" "7.0.0-beta.40"
+    "@babel/plugin-transform-spread" "7.0.0-beta.40"
+    "@babel/plugin-transform-sticky-regex" "7.0.0-beta.40"
+    "@babel/plugin-transform-template-literals" "7.0.0-beta.40"
+    "@babel/plugin-transform-typeof-symbol" "7.0.0-beta.40"
+    "@babel/plugin-transform-unicode-regex" "7.0.0-beta.40"
+    browserslist "^3.0.0"
     invariant "^2.2.2"
     semver "^5.3.0"
 
-"@babel/preset-flow@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-flow/-/preset-flow-7.0.0-beta.39.tgz#2a104114c71fbce992af0ed6ba633ac8f1be7277"
-  dependencies:
-    "@babel/plugin-transform-flow-strip-types" "7.0.0-beta.39"
-
-"@babel/preset-stage-0@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-0/-/preset-stage-0-7.0.0-beta.39.tgz#ac56ef8988c282166303ede27e8d6ef5d9c29533"
-  dependencies:
-    "@babel/plugin-proposal-function-bind" "7.0.0-beta.39"
-    "@babel/preset-stage-1" "7.0.0-beta.39"
-
-"@babel/preset-stage-1@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-1/-/preset-stage-1-7.0.0-beta.39.tgz#b0a38c47a4683974433c79214a077162540c2cd4"
-  dependencies:
-    "@babel/plugin-proposal-decorators" "7.0.0-beta.39"
-    "@babel/plugin-proposal-do-expressions" "7.0.0-beta.39"
-    "@babel/plugin-proposal-export-default-from" "7.0.0-beta.39"
-    "@babel/plugin-proposal-nullish-coalescing-operator" "7.0.0-beta.39"
-    "@babel/plugin-proposal-optional-chaining" "7.0.0-beta.39"
-    "@babel/plugin-proposal-pipeline-operator" "7.0.0-beta.39"
-    "@babel/preset-stage-2" "7.0.0-beta.39"
-
-"@babel/preset-stage-2@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-2/-/preset-stage-2-7.0.0-beta.39.tgz#dc537fe1d822ec96d07e1c5659dc6635fc5cc130"
-  dependencies:
-    "@babel/plugin-proposal-export-namespace-from" "7.0.0-beta.39"
-    "@babel/plugin-proposal-function-sent" "7.0.0-beta.39"
-    "@babel/plugin-proposal-numeric-separator" "7.0.0-beta.39"
-    "@babel/plugin-proposal-throw-expressions" "7.0.0-beta.39"
-    "@babel/preset-stage-3" "7.0.0-beta.39"
-
-"@babel/preset-stage-3@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-3/-/preset-stage-3-7.0.0-beta.39.tgz#30a313d79369aa1b4d6652ae621dc1d162255ac9"
-  dependencies:
-    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.39"
-    "@babel/plugin-proposal-class-properties" "7.0.0-beta.39"
-    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.39"
-    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.39"
-    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.39"
-    "@babel/plugin-syntax-dynamic-import" "7.0.0-beta.39"
-    "@babel/plugin-syntax-import-meta" "7.0.0-beta.39"
-
-"@babel/register@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.0.0-beta.39.tgz#40994219d69963a88c55e259e32fd076cdd668dc"
+"@babel/preset-flow@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-flow/-/preset-flow-7.0.0-beta.40.tgz#08784f5a847bf1a7fc7ea031977c5e43ef72753a"
+  dependencies:
+    "@babel/plugin-transform-flow-strip-types" "7.0.0-beta.40"
+
+"@babel/preset-stage-0@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-0/-/preset-stage-0-7.0.0-beta.40.tgz#1ea9823b501ac7b6221c80bf4bf1c610c660dcc3"
+  dependencies:
+    "@babel/plugin-proposal-function-bind" "7.0.0-beta.40"
+    "@babel/preset-stage-1" "7.0.0-beta.40"
+
+"@babel/preset-stage-1@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-1/-/preset-stage-1-7.0.0-beta.40.tgz#acc899ae0480a3e417c4c1ce918f3a1886386641"
+  dependencies:
+    "@babel/plugin-proposal-decorators" "7.0.0-beta.40"
+    "@babel/plugin-proposal-do-expressions" "7.0.0-beta.40"
+    "@babel/plugin-proposal-export-default-from" "7.0.0-beta.40"
+    "@babel/plugin-proposal-nullish-coalescing-operator" "7.0.0-beta.40"
+    "@babel/plugin-proposal-optional-chaining" "7.0.0-beta.40"
+    "@babel/plugin-proposal-pipeline-operator" "7.0.0-beta.40"
+    "@babel/preset-stage-2" "7.0.0-beta.40"
+
+"@babel/preset-stage-2@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-2/-/preset-stage-2-7.0.0-beta.40.tgz#c88db5e0e7ebfde8460c9cd3bed9acd841830e72"
+  dependencies:
+    "@babel/plugin-proposal-export-namespace-from" "7.0.0-beta.40"
+    "@babel/plugin-proposal-function-sent" "7.0.0-beta.40"
+    "@babel/plugin-proposal-numeric-separator" "7.0.0-beta.40"
+    "@babel/plugin-proposal-throw-expressions" "7.0.0-beta.40"
+    "@babel/preset-stage-3" "7.0.0-beta.40"
+
+"@babel/preset-stage-3@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-3/-/preset-stage-3-7.0.0-beta.40.tgz#5b6eb45908d8355ab5512b4d1dd2fb4c3cad2dec"
+  dependencies:
+    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.40"
+    "@babel/plugin-proposal-class-properties" "7.0.0-beta.40"
+    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.40"
+    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.40"
+    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.40"
+    "@babel/plugin-syntax-dynamic-import" "7.0.0-beta.40"
+    "@babel/plugin-syntax-import-meta" "7.0.0-beta.40"
+
+"@babel/register@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.0.0-beta.40.tgz#40df0bdbb2fe74a7c7b09af3d59b71c8cd53c4da"
   dependencies:
     core-js "^2.5.3"
     find-cache-dir "^1.0.0"
@@ -684,13 +690,13 @@
     babylon "7.0.0-beta.38"
     lodash "^4.2.0"
 
-"@babel/template@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.39.tgz#98bd7b132d99f73547c473f2862f481ae84981c9"
+"@babel/template@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.40.tgz#034988c6424eb5c3268fe6a608626de1f4410fc8"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
-    babylon "7.0.0-beta.39"
+    "@babel/code-frame" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
+    babylon "7.0.0-beta.40"
     lodash "^4.2.0"
 
 "@babel/traverse@7.0.0-beta.36":
@@ -706,15 +712,15 @@
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-"@babel/traverse@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.39.tgz#ccb5abfb878403a39af249997dd6f36136de7694"
+"@babel/traverse@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.40.tgz#d140e449b2e093ef9fe1a2eecc28421ffb4e521e"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.39"
-    "@babel/generator" "7.0.0-beta.39"
-    "@babel/helper-function-name" "7.0.0-beta.39"
-    "@babel/types" "7.0.0-beta.39"
-    babylon "7.0.0-beta.39"
+    "@babel/code-frame" "7.0.0-beta.40"
+    "@babel/generator" "7.0.0-beta.40"
+    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.40"
+    babylon "7.0.0-beta.40"
     debug "^3.0.1"
     globals "^11.1.0"
     invariant "^2.2.0"
@@ -750,9 +756,9 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@babel/types@7.0.0-beta.39":
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.39.tgz#2ea0d97efe4781688751edc68cde640d6559938c"
+"@babel/types@7.0.0-beta.40":
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.40.tgz#25c3d7aae14126abe05fcb098c65a66b6d6b8c14"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.2.0"
@@ -1256,9 +1262,9 @@ babylon@7.0.0-beta.38, babylon@^7.0.0-beta.31:
   version "7.0.0-beta.38"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.38.tgz#9b3a33e571a47464a2d20cb9dd5a570f00e3f996"
 
-babylon@7.0.0-beta.39:
-  version "7.0.0-beta.39"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.39.tgz#512833ea788f6570c6db026d743a7565e58d3aeb"
+babylon@7.0.0-beta.40:
+  version "7.0.0-beta.40"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.40.tgz#91fc8cd56d5eb98b28e6fde41045f2957779940a"
 
 babylon@^6.18.0:
   version "6.18.0"
@@ -1513,12 +1519,12 @@ browserify@^13.1.1:
     vm-browserify "~0.0.1"
     xtend "^4.0.0"
 
-browserslist@^2.4.0:
-  version "2.11.3"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.11.3.tgz#fe36167aed1bbcde4827ebfe71347a2cc70b99b2"
+browserslist@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.1.1.tgz#d380fc048bc3a33e60fb87dc135110ebaaa6320a"
   dependencies:
-    caniuse-lite "^1.0.30000792"
-    electron-to-chromium "^1.3.30"
+    caniuse-lite "^1.0.30000809"
+    electron-to-chromium "^1.3.33"
 
 buffer-xor@^1.0.3:
   version "1.0.3"
@@ -1621,9 +1627,9 @@ camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
-caniuse-lite@^1.0.30000792:
-  version "1.0.30000792"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000792.tgz#d0cea981f8118f3961471afbb43c9a1e5bbf0332"
+caniuse-lite@^1.0.30000809:
+  version "1.0.30000810"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000810.tgz#47585fffce0e9f3593a6feea4673b945424351d9"
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -2496,9 +2502,9 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
-electron-to-chromium@^1.3.30:
-  version "1.3.31"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.31.tgz#00d832cba9fe2358652b0c48a8816c8e3a037e9f"
+electron-to-chromium@^1.3.33:
+  version "1.3.33"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.33.tgz#bf00703d62a7c65238136578c352d6c5c042a545"
 
 elegant-spinner@^1.0.1:
   version "1.0.1"

From 182fe7b04e1810d85ad3f8a1824feed8317ffb17 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 23 Feb 2018 08:45:22 -0600
Subject: [PATCH 033/140] Add missing promise polyfill deps for preset-env's
 useBuiltIns: usage (#7400)

---
 .../babel-preset-env/src/built-in-definitions.js   |  7 ++++++-
 .../promise-all/input.js                           |  4 ++++
 .../promise-all/options.json                       | 14 ++++++++++++++
 .../promise-all/output.js                          |  6 ++++++
 .../promise-race/input.js                          |  4 ++++
 .../promise-race/options.json                      | 14 ++++++++++++++
 .../promise-race/output.js                         |  6 ++++++
 7 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/output.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js

diff --git a/packages/babel-preset-env/src/built-in-definitions.js b/packages/babel-preset-env/src/built-in-definitions.js
index f4bf559ab303..ec1d73756b1a 100644
--- a/packages/babel-preset-env/src/built-in-definitions.js
+++ b/packages/babel-preset-env/src/built-in-definitions.js
@@ -15,7 +15,7 @@ export const definitions = {
     Set: "es6.set",
     WeakMap: "es6.weak-map",
     WeakSet: "es6.weak-set",
-    Promise: "es6.promise",
+    Promise: ["es6.object.to-string", "es6.promise"],
     Symbol: "es6.symbol",
   },
 
@@ -114,6 +114,11 @@ export const definitions = {
       MAX_SAFE_INTEGER: "es6.number.max-safe-integer",
     },
 
+    Promise: {
+      all: ["es6.string.iterator", "web.dom.iterable"],
+      race: ["es6.string.iterator", "web.dom.iterable"],
+    },
+
     Reflect: {
       apply: "es6.reflect.apply",
       construct: "es6.reflect.construct",
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.js
new file mode 100644
index 000000000000..0fef928e163d
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.js
@@ -0,0 +1,4 @@
+var p = Promise.resolve(0);
+Promise.all([p]).then(outcome => {
+  alert("OK");
+});
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/options.json
new file mode 100644
index 000000000000..eeb3ed89dd1f
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/options.json
@@ -0,0 +1,14 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "browsers": ["ie > 10"]
+        },
+        "useBuiltIns": "usage",
+        "modules": false
+      }
+    ]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/output.js
new file mode 100644
index 000000000000..3c6e6de8aacb
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/output.js
@@ -0,0 +1,6 @@
+import "core-js/modules/web.dom.iterable";
+import "core-js/modules/es6.promise";
+var p = Promise.resolve(0);
+Promise.all([p]).then(function (outcome) {
+  alert("OK");
+});
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js
new file mode 100644
index 000000000000..334252838bc0
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js
@@ -0,0 +1,4 @@
+var p = Promise.resolve(0);
+Promise.race([p]).then(outcome => {
+  alert("OK");
+});
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/options.json
new file mode 100644
index 000000000000..eeb3ed89dd1f
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/options.json
@@ -0,0 +1,14 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "browsers": ["ie > 10"]
+        },
+        "useBuiltIns": "usage",
+        "modules": false
+      }
+    ]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js
new file mode 100644
index 000000000000..42d9a206b319
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js
@@ -0,0 +1,6 @@
+import "core-js/modules/web.dom.iterable";
+import "core-js/modules/es6.promise";
+var p = Promise.resolve(0);
+Promise.race([p]).then(function (outcome) {
+  alert("OK");
+});

From 455c04e60a07c1add3082dfa2aae13a0c93a485a Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 23 Feb 2018 08:46:14 -0600
Subject: [PATCH 034/140] Bump compat-table and regen preset-env data (#7401)

---
 .prettierignore                                     |  1 +
 packages/babel-preset-env/data/built-ins.json       |  2 +-
 packages/babel-preset-env/data/plugins.json         | 10 ++++++----
 packages/babel-preset-env/package.json              |  2 +-
 .../scripts/build-modules-support.js                | 13 ++++++++++---
 5 files changed, 19 insertions(+), 9 deletions(-)
 create mode 100644 .prettierignore

diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 000000000000..ec6d3cdd7f5b
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+package.json
diff --git a/packages/babel-preset-env/data/built-ins.json b/packages/babel-preset-env/data/built-ins.json
index 96b619f845ff..42453508aeb9 100644
--- a/packages/babel-preset-env/data/built-ins.json
+++ b/packages/babel-preset-env/data/built-ins.json
@@ -1149,7 +1149,7 @@
   "es7.promise.finally": {
     "chrome": "63",
     "firefox": "58",
-    "safari": "tp",
+    "safari": "11.1",
     "opera": "50"
   }
 }
diff --git a/packages/babel-preset-env/data/plugins.json b/packages/babel-preset-env/data/plugins.json
index 99ed3351eeef..c1020cfb92e5 100644
--- a/packages/babel-preset-env/data/plugins.json
+++ b/packages/babel-preset-env/data/plugins.json
@@ -220,7 +220,7 @@
   },
   "transform-dotall-regex": {
     "chrome": "62",
-    "safari": "tp",
+    "safari": "11.1",
     "opera": "49"
   },
   "proposal-async-generator-functions": {
@@ -232,17 +232,19 @@
   "proposal-object-rest-spread": {
     "chrome": "60",
     "firefox": "55",
-    "safari": "tp",
+    "safari": "11.1",
     "node": "8.3",
     "opera": "47"
   },
   "proposal-optional-catch-binding": {
+    "chrome": "66",
     "firefox": "58",
-    "safari": "tp"
+    "safari": "11.1",
+    "opera": "53"
   },
   "proposal-unicode-property-regex": {
     "chrome": "64",
-    "safari": "tp",
+    "safari": "11.1",
     "opera": "51"
   }
 }
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index 585cb5faea5f..e056465aa76e 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -57,7 +57,7 @@
     "@babel/core": "7.0.0-beta.40",
     "@babel/helper-fixtures": "7.0.0-beta.40",
     "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "compat-table": "kangax/compat-table#3e30cd67a5d3d853caf8424d00ca66d100674d4f",
+    "compat-table": "kangax/compat-table#7c202e2da648fbd9d223d48d1680ec8f15147044",
     "electron-to-chromium": "^1.3.27",
     "request": "^2.83.0"
   }
diff --git a/packages/babel-preset-env/scripts/build-modules-support.js b/packages/babel-preset-env/scripts/build-modules-support.js
index 55cf11016501..edbdd85b8b83 100644
--- a/packages/babel-preset-env/scripts/build-modules-support.js
+++ b/packages/babel-preset-env/scripts/build-modules-support.js
@@ -8,12 +8,16 @@ const request = require("request");
 // * https://html.spec.whatwg.org/multipage/scripting.html#attr-script-type
 const lastKnown = {
   chrome: 61,
-  firefox: 59,
   safari: 10.1,
   ios_saf: 10.3,
   edge: 16,
 };
 
+const acceptedWithCaveats = {
+  safari: true,
+  ios_saf: true,
+};
+
 function input() {
   return new Promise(function(resolve, reject) {
     request(
@@ -38,12 +42,15 @@ function input() {
               const browserVersions = stats[browser];
               const allowedVersions = Object.keys(browserVersions)
                 .filter(value => {
-                  return browserVersions[value] === "y";
+                  return acceptedWithCaveats[browser]
+                    ? browserVersions[value][0] === "a"
+                    : browserVersions[value] === "y";
                 })
                 .sort((a, b) => a - b);
 
               if (allowedVersions[0] !== undefined) {
-                allowedBrowsers[browser] = allowedVersions[0];
+                // Handle cases where caniuse specifies version as: "11.0-11.2"
+                allowedBrowsers[browser] = allowedVersions[0].split("-")[0];
               }
             }
           });

From 960fa66c9ef013e247311144332756cdfc9d51bc Mon Sep 17 00:00:00 2001
From: Alasdair McLeay <penx@users.noreply.github.com>
Date: Fri, 23 Feb 2018 20:18:13 +0000
Subject: [PATCH 035/140] Reinstate `--inspect-brk`, lost when making
 babel-node standalone (#7423) [skip ci]

---
 packages/babel-node/src/babel-node.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/babel-node/src/babel-node.js b/packages/babel-node/src/babel-node.js
index cc1ed88c32c5..e67c8022c47f 100755
--- a/packages/babel-node/src/babel-node.js
+++ b/packages/babel-node/src/babel-node.js
@@ -46,6 +46,7 @@ getV8Flags(function(err, v8Flags) {
       case "--debug":
       case "--debug-brk":
       case "--inspect":
+      case "--inspect-brk":
         args.unshift(arg);
         break;
 

From 6f6c8dabba71eefc99c30ce88bc3ff5fcbba3db2 Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Sat, 24 Feb 2018 05:56:14 -0800
Subject: [PATCH 036/140] TypeScript: Support conditional types syntax (#7404)

Microsoft/TypeScript#21316 and Microsoft/TypeScript#21496
---
 .../src/generators/typescript.js              |  22 ++
 .../types-conditional-infer/input.js          |   1 +
 .../types-conditional-infer/output.js         |   1 +
 .../typescript/types-conditional/input.js     |   1 +
 .../typescript/types-conditional/output.js    |   1 +
 packages/babel-types/README.md                |  29 ++
 .../src/asserts/generated/index.js            |   9 +
 .../src/builders/generated/index.js           |  10 +
 .../babel-types/src/definitions/typescript.js |  19 ++
 .../src/validators/generated/index.js         |   6 +
 packages/babylon/src/plugins/typescript.js    |  28 +-
 packages/babylon/src/types.js                 |  13 +
 .../types/conditional-infer/input.js          |   1 +
 .../types/conditional-infer/output.json       | 271 ++++++++++++++++++
 .../typescript/types/conditional/input.js     |   1 +
 .../typescript/types/conditional/output.json  | 175 +++++++++++
 16 files changed, 587 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-generator/test/fixtures/typescript/types-conditional-infer/input.js
 create mode 100644 packages/babel-generator/test/fixtures/typescript/types-conditional-infer/output.js
 create mode 100644 packages/babel-generator/test/fixtures/typescript/types-conditional/input.js
 create mode 100644 packages/babel-generator/test/fixtures/typescript/types-conditional/output.js
 create mode 100644 packages/babylon/test/fixtures/typescript/types/conditional-infer/input.js
 create mode 100644 packages/babylon/test/fixtures/typescript/types/conditional-infer/output.json
 create mode 100644 packages/babylon/test/fixtures/typescript/types/conditional/input.js
 create mode 100644 packages/babylon/test/fixtures/typescript/types/conditional/output.json

diff --git a/packages/babel-generator/src/generators/typescript.js b/packages/babel-generator/src/generators/typescript.js
index d628617171af..1dca58c2adfd 100644
--- a/packages/babel-generator/src/generators/typescript.js
+++ b/packages/babel-generator/src/generators/typescript.js
@@ -256,6 +256,28 @@ export function tsPrintUnionOrIntersectionType(node, sep) {
   });
 }
 
+export function TSConditionalType(node) {
+  this.print(node.checkType);
+  this.space();
+  this.word("extends");
+  this.space();
+  this.print(node.extendsType);
+  this.space();
+  this.token("?");
+  this.space();
+  this.print(node.trueType);
+  this.space();
+  this.token(":");
+  this.space();
+  this.print(node.falseType);
+}
+
+export function TSInferType(node) {
+  this.token("infer");
+  this.space();
+  this.print(node.typeParameter);
+}
+
 export function TSParenthesizedType(node) {
   this.token("(");
   this.print(node.typeAnnotation, node);
diff --git a/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/input.js b/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/input.js
new file mode 100644
index 000000000000..fc9bc48546e6
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/input.js
@@ -0,0 +1 @@
+type Element<T> = T extends (infer U)[] ? U : T;
diff --git a/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/output.js b/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/output.js
new file mode 100644
index 000000000000..aab1028e5036
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/types-conditional-infer/output.js
@@ -0,0 +1 @@
+type Element<T> = T extends (infer U)[] ? U : T;
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/typescript/types-conditional/input.js b/packages/babel-generator/test/fixtures/typescript/types-conditional/input.js
new file mode 100644
index 000000000000..c77648689818
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/types-conditional/input.js
@@ -0,0 +1 @@
+let x: number extends string ? boolean : null;
diff --git a/packages/babel-generator/test/fixtures/typescript/types-conditional/output.js b/packages/babel-generator/test/fixtures/typescript/types-conditional/output.js
new file mode 100644
index 000000000000..79c94be2c94e
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/types-conditional/output.js
@@ -0,0 +1 @@
+let x: number extends string ? boolean : null;
\ No newline at end of file
diff --git a/packages/babel-types/README.md b/packages/babel-types/README.md
index b465146f791c..927ca0d4d22a 100644
--- a/packages/babel-types/README.md
+++ b/packages/babel-types/README.md
@@ -1875,6 +1875,22 @@ Aliases: `TSTypeElement`
 
 ---
 
+### tSConditionalType
+```javascript
+t.tsConditionalType(checkType, extendsType, trueType, falseType)
+```
+
+See also `t.isTSConditionalType(node, opts)` and `t.assertTSConditionalType(node, opts)`.
+
+Aliases: `TSType`
+
+ - `checkType`: `TSType` (required)
+ - `extendsType`: `TSType` (required)
+ - `trueType`: `TSType` (required)
+ - `falseType`: `TSType` (required)
+
+---
+
 ### tSConstructSignatureDeclaration
 ```javascript
 t.tsConstructSignatureDeclaration(typeParameters, parameters, typeAnnotation)
@@ -2074,6 +2090,19 @@ Aliases: `TSType`
 
 ---
 
+### tSInferType
+```javascript
+t.tsInferType(typeParameter)
+```
+
+See also `t.isTSInferType(node, opts)` and `t.assertTSInferType(node, opts)`.
+
+Aliases: `TSType`
+
+ - `typeParameter`: `TSType` (required)
+
+---
+
 ### tSInterfaceBody
 ```javascript
 t.tsInterfaceBody(body)
diff --git a/packages/babel-types/src/asserts/generated/index.js b/packages/babel-types/src/asserts/generated/index.js
index 093d1e7701b0..efae53080e0e 100644
--- a/packages/babel-types/src/asserts/generated/index.js
+++ b/packages/babel-types/src/asserts/generated/index.js
@@ -801,6 +801,15 @@ export function assertTSIntersectionType(
 ): void {
   assert("TSIntersectionType", node, opts);
 }
+export function assertTSConditionalType(
+  node: Object,
+  opts?: Object = {},
+): void {
+  assert("TSConditionalType", node, opts);
+}
+export function assertTSInferType(node: Object, opts?: Object = {}): void {
+  assert("TSInferType", node, opts);
+}
 export function assertTSParenthesizedType(
   node: Object,
   opts?: Object = {},
diff --git a/packages/babel-types/src/builders/generated/index.js b/packages/babel-types/src/builders/generated/index.js
index ee003c27e812..1ec3b1776682 100644
--- a/packages/babel-types/src/builders/generated/index.js
+++ b/packages/babel-types/src/builders/generated/index.js
@@ -774,6 +774,16 @@ export function TSIntersectionType(...args: Array<any>): Object {
 }
 export { TSIntersectionType as tsIntersectionType };
 export { TSIntersectionType as tSIntersectionType };
+export function TSConditionalType(...args: Array<any>): Object {
+  return builder("TSConditionalType", ...args);
+}
+export { TSConditionalType as tsConditionalType };
+export { TSConditionalType as tSConditionalType };
+export function TSInferType(...args: Array<any>): Object {
+  return builder("TSInferType", ...args);
+}
+export { TSInferType as tsInferType };
+export { TSInferType as tSInferType };
 export function TSParenthesizedType(...args: Array<any>): Object {
   return builder("TSParenthesizedType", ...args);
 }
diff --git a/packages/babel-types/src/definitions/typescript.js b/packages/babel-types/src/definitions/typescript.js
index 8f4ff25bdafd..3aaba9ec6b07 100644
--- a/packages/babel-types/src/definitions/typescript.js
+++ b/packages/babel-types/src/definitions/typescript.js
@@ -223,6 +223,25 @@ const unionOrIntersection = {
 defineType("TSUnionType", unionOrIntersection);
 defineType("TSIntersectionType", unionOrIntersection);
 
+defineType("TSConditionalType", {
+  aliases: ["TSType"],
+  visitor: ["checkType", "extendsType", "trueType", "falseType"],
+  fields: {
+    checkType: validateType("TSType"),
+    extendsType: validateType("TSType"),
+    trueType: validateType("TSType"),
+    falseType: validateType("TSType"),
+  },
+});
+
+defineType("TSInferType", {
+  aliases: ["TSType"],
+  visitor: ["typeParameter"],
+  fields: {
+    typeParameter: validateType("TSType"),
+  },
+});
+
 defineType("TSParenthesizedType", {
   aliases: ["TSType"],
   visitor: ["typeAnnotation"],
diff --git a/packages/babel-types/src/validators/generated/index.js b/packages/babel-types/src/validators/generated/index.js
index 4a2215a50b11..874d8f65086e 100644
--- a/packages/babel-types/src/validators/generated/index.js
+++ b/packages/babel-types/src/validators/generated/index.js
@@ -608,6 +608,12 @@ export function isTSUnionType(node: Object, opts?: Object): boolean {
 export function isTSIntersectionType(node: Object, opts?: Object): boolean {
   return is("TSIntersectionType", node, opts);
 }
+export function isTSConditionalType(node: Object, opts?: Object): boolean {
+  return is("TSConditionalType", node, opts);
+}
+export function isTSInferType(node: Object, opts?: Object): boolean {
+  return is("TSInferType", node, opts);
+}
 export function isTSParenthesizedType(node: Object, opts?: Object): boolean {
   return is("TSParenthesizedType", node, opts);
 }
diff --git a/packages/babylon/src/plugins/typescript.js b/packages/babylon/src/plugins/typescript.js
index 693edfe59f2a..69086d55424e 100644
--- a/packages/babylon/src/plugins/typescript.js
+++ b/packages/babylon/src/plugins/typescript.js
@@ -617,11 +617,22 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       return this.finishNode(node, "TSTypeOperator");
     }
 
+    tsParseInferType(): N.TsInferType {
+      const node = this.startNode();
+      this.expectContextual("infer");
+      const typeParameter = this.startNode();
+      typeParameter.name = this.parseIdentifierName(typeParameter.start);
+      node.typeParameter = this.finishNode(typeParameter, "TypeParameter");
+      return this.finishNode(node, "TSInferType");
+    }
+
     tsParseTypeOperatorOrHigher(): N.TsType {
       const operator = ["keyof", "unique"].find(kw => this.isContextual(kw));
       return operator
         ? this.tsParseTypeOperator(operator)
-        : this.tsParseArrayTypeOrHigher();
+        : this.isContextual("infer")
+          ? this.tsParseInferType()
+          : this.tsParseArrayTypeOrHigher();
     }
 
     tsParseUnionOrIntersectionType(
@@ -774,6 +785,21 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     tsParseType(): N.TsType {
       // Need to set `state.inType` so that we don't parse JSX in a type context.
       assert(this.state.inType);
+      const type = this.tsParseNonConditionalType();
+      if (this.hasPrecedingLineBreak() || !this.eat(tt._extends)) {
+        return type;
+      }
+      const node: N.TsConditionalType = this.startNodeAtNode(type);
+      node.checkType = type;
+      node.extendsType = this.tsParseNonConditionalType();
+      this.expect(tt.question);
+      node.trueType = this.tsParseType();
+      this.expect(tt.colon);
+      node.falseType = this.tsParseType();
+      return this.finishNode(node, "TSConditionalType");
+    }
+
+    tsParseNonConditionalType(): N.TsType {
       if (this.tsIsStartOfFunctionType()) {
         return this.tsParseFunctionOrConstructorType("TSFunctionType");
       }
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index 201c4f35c718..835f36b6d25c 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -1154,6 +1154,19 @@ export type TsIntersectionType = TsUnionOrIntersectionTypeBase & {
   type: "TSIntersectionType",
 };
 
+export type TsConditionalType = TsTypeBase & {
+  type: "TSConditionalType",
+  checkType: TsType,
+  extendsType: TsType,
+  trueType: TsType,
+  falseType: tsType,
+};
+
+export type InferType = TsTypeBase & {
+  type: "TSInferType",
+  typeParameter: TypeParameter,
+};
+
 export type TsParenthesizedType = TsTypeBase & {
   type: "TSParenthesizedType",
   typeAnnotation: TsType,
diff --git a/packages/babylon/test/fixtures/typescript/types/conditional-infer/input.js b/packages/babylon/test/fixtures/typescript/types/conditional-infer/input.js
new file mode 100644
index 000000000000..fc9bc48546e6
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/types/conditional-infer/input.js
@@ -0,0 +1 @@
+type Element<T> = T extends (infer U)[] ? U : T;
diff --git a/packages/babylon/test/fixtures/typescript/types/conditional-infer/output.json b/packages/babylon/test/fixtures/typescript/types/conditional-infer/output.json
new file mode 100644
index 000000000000..dd94232cb832
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/types/conditional-infer/output.json
@@ -0,0 +1,271 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 48,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 48
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 48,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 48
+      }
+    },
+    "sourceType": "module",
+    "body": [
+      {
+        "type": "TSTypeAliasDeclaration",
+        "start": 0,
+        "end": 48,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 48
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 5,
+          "end": 12,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 5
+            },
+            "end": {
+              "line": 1,
+              "column": 12
+            },
+            "identifierName": "Element"
+          },
+          "name": "Element"
+        },
+        "typeParameters": {
+          "type": "TSTypeParameterDeclaration",
+          "start": 12,
+          "end": 15,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 12
+            },
+            "end": {
+              "line": 1,
+              "column": 15
+            }
+          },
+          "params": [
+            {
+              "type": "TSTypeParameter",
+              "start": 13,
+              "end": 14,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 13
+                },
+                "end": {
+                  "line": 1,
+                  "column": 14
+                }
+              },
+              "name": "T"
+            }
+          ]
+        },
+        "typeAnnotation": {
+          "type": "TSConditionalType",
+          "start": 18,
+          "end": 47,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 18
+            },
+            "end": {
+              "line": 1,
+              "column": 47
+            }
+          },
+          "checkType": {
+            "type": "TSTypeReference",
+            "start": 18,
+            "end": 19,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 18
+              },
+              "end": {
+                "line": 1,
+                "column": 19
+              }
+            },
+            "typeName": {
+              "type": "Identifier",
+              "start": 18,
+              "end": 19,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 18
+                },
+                "end": {
+                  "line": 1,
+                  "column": 19
+                },
+                "identifierName": "T"
+              },
+              "name": "T"
+            }
+          },
+          "extendsType": {
+            "type": "TSArrayType",
+            "start": 28,
+            "end": 39,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 28
+              },
+              "end": {
+                "line": 1,
+                "column": 39
+              }
+            },
+            "elementType": {
+              "type": "TSParenthesizedType",
+              "start": 28,
+              "end": 37,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 28
+                },
+                "end": {
+                  "line": 1,
+                  "column": 37
+                }
+              },
+              "typeAnnotation": {
+                "type": "TSInferType",
+                "start": 29,
+                "end": 36,
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 29
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 36
+                  }
+                },
+                "typeParameter": {
+                  "type": "TypeParameter",
+                  "start": 35,
+                  "end": 36,
+                  "loc": {
+                    "start": {
+                      "line": 1,
+                      "column": 35
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 36
+                    }
+                  },
+                  "name": "U"
+                }
+              }
+            }
+          },
+          "trueType": {
+            "type": "TSTypeReference",
+            "start": 42,
+            "end": 43,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 42
+              },
+              "end": {
+                "line": 1,
+                "column": 43
+              }
+            },
+            "typeName": {
+              "type": "Identifier",
+              "start": 42,
+              "end": 43,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 42
+                },
+                "end": {
+                  "line": 1,
+                  "column": 43
+                },
+                "identifierName": "U"
+              },
+              "name": "U"
+            }
+          },
+          "falseType": {
+            "type": "TSTypeReference",
+            "start": 46,
+            "end": 47,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 46
+              },
+              "end": {
+                "line": 1,
+                "column": 47
+              }
+            },
+            "typeName": {
+              "type": "Identifier",
+              "start": 46,
+              "end": 47,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 46
+                },
+                "end": {
+                  "line": 1,
+                  "column": 47
+                },
+                "identifierName": "T"
+              },
+              "name": "T"
+            }
+          }
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/types/conditional/input.js b/packages/babylon/test/fixtures/typescript/types/conditional/input.js
new file mode 100644
index 000000000000..c77648689818
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/types/conditional/input.js
@@ -0,0 +1 @@
+let x: number extends string ? boolean : null;
diff --git a/packages/babylon/test/fixtures/typescript/types/conditional/output.json b/packages/babylon/test/fixtures/typescript/types/conditional/output.json
new file mode 100644
index 000000000000..d9e73ef0a364
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/types/conditional/output.json
@@ -0,0 +1,175 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 46,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 46
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 46,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 46
+      }
+    },
+    "sourceType": "module",
+    "body": [
+      {
+        "type": "VariableDeclaration",
+        "start": 0,
+        "end": 46,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 46
+          }
+        },
+        "declarations": [
+          {
+            "type": "VariableDeclarator",
+            "start": 4,
+            "end": 45,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 4
+              },
+              "end": {
+                "line": 1,
+                "column": 45
+              }
+            },
+            "id": {
+              "type": "Identifier",
+              "start": 4,
+              "end": 45,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 4
+                },
+                "end": {
+                  "line": 1,
+                  "column": 45
+                },
+                "identifierName": "x"
+              },
+              "name": "x",
+              "typeAnnotation": {
+                "type": "TSTypeAnnotation",
+                "start": 5,
+                "end": 45,
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 45
+                  }
+                },
+                "typeAnnotation": {
+                  "type": "TSConditionalType",
+                  "start": 7,
+                  "end": 45,
+                  "loc": {
+                    "start": {
+                      "line": 1,
+                      "column": 7
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 45
+                    }
+                  },
+                  "checkType": {
+                    "type": "TSNumberKeyword",
+                    "start": 7,
+                    "end": 13,
+                    "loc": {
+                      "start": {
+                        "line": 1,
+                        "column": 7
+                      },
+                      "end": {
+                        "line": 1,
+                        "column": 13
+                      }
+                    }
+                  },
+                  "extendsType": {
+                    "type": "TSStringKeyword",
+                    "start": 22,
+                    "end": 28,
+                    "loc": {
+                      "start": {
+                        "line": 1,
+                        "column": 22
+                      },
+                      "end": {
+                        "line": 1,
+                        "column": 28
+                      }
+                    }
+                  },
+                  "trueType": {
+                    "type": "TSBooleanKeyword",
+                    "start": 31,
+                    "end": 38,
+                    "loc": {
+                      "start": {
+                        "line": 1,
+                        "column": 31
+                      },
+                      "end": {
+                        "line": 1,
+                        "column": 38
+                      }
+                    }
+                  },
+                  "falseType": {
+                    "type": "TSNullKeyword",
+                    "start": 41,
+                    "end": 45,
+                    "loc": {
+                      "start": {
+                        "line": 1,
+                        "column": 41
+                      },
+                      "end": {
+                        "line": 1,
+                        "column": 45
+                      }
+                    }
+                  }
+                }
+              }
+            },
+            "init": null
+          }
+        ],
+        "kind": "let"
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file

From 6f3be3a5438739453510ea969136894c9cae12d8 Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Sat, 24 Feb 2018 14:26:07 -0800
Subject: [PATCH 037/140] typescript: Support definite assignment assertion
 (#7159)

---
 .../babel-generator/src/generators/classes.js |   5 +-
 .../src/generators/statements.js              |   1 +
 .../typescript/class-properties/input.js      |   2 +
 .../typescript/class-properties/output.js     |   2 +
 .../variable-declarator-exclamation/actual.js |   1 +
 .../expected.js                               |   1 +
 .../src/index.js                              |   6 +
 .../test/fixtures/class/properties/input.js   |   1 +
 .../test/fixtures/class/properties/output.js  |   1 +
 .../exclamation/actual.js                     |   1 +
 .../exclamation/expected.js                   |   1 +
 packages/babel-types/src/definitions/core.js  |   4 +
 .../src/definitions/experimental.js           |   4 +
 packages/babylon/src/plugins/typescript.js    |  12 +-
 packages/babylon/src/types.js                 |   4 +
 .../typescript/class/properties/input.js      |   2 +
 .../typescript/class/properties/output.json   | 118 ++++++++++++++++--
 .../input.js                                  |   3 +
 .../options.json                              |   3 +
 .../definite-assignment-not-allowed/input.js  |   1 +
 .../options.json                              |   3 +
 .../definite-assignment/input.js              |   1 +
 .../definite-assignment/output.json           | 116 +++++++++++++++++
 23 files changed, 283 insertions(+), 10 deletions(-)
 create mode 100644 packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js
 create mode 100644 packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js
 create mode 100644 packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/input.js
 create mode 100644 packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/options.json
 create mode 100644 packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/input.js
 create mode 100644 packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/options.json
 create mode 100644 packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/input.js
 create mode 100644 packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/output.json

diff --git a/packages/babel-generator/src/generators/classes.js b/packages/babel-generator/src/generators/classes.js
index fa83be944c5c..1649cdee39dc 100644
--- a/packages/babel-generator/src/generators/classes.js
+++ b/packages/babel-generator/src/generators/classes.js
@@ -99,10 +99,13 @@ export function ClassProperty(node: Object) {
     this.print(node.key, node);
   }
 
+  // TS
   if (node.optional) {
-    // TS
     this.token("?");
   }
+  if (node.definite) {
+    this.token("!");
+  }
 
   this.print(node.typeAnnotation, node);
   if (node.value) {
diff --git a/packages/babel-generator/src/generators/statements.js b/packages/babel-generator/src/generators/statements.js
index c3644a4c9303..e410092a9ed1 100644
--- a/packages/babel-generator/src/generators/statements.js
+++ b/packages/babel-generator/src/generators/statements.js
@@ -290,6 +290,7 @@ export function VariableDeclaration(node: Object, parent: Object) {
 
 export function VariableDeclarator(node: Object) {
   this.print(node.id, node);
+  if (node.definite) this.token("!"); // TS
   this.print(node.id.typeAnnotation, node);
   if (node.init) {
     this.space();
diff --git a/packages/babel-generator/test/fixtures/typescript/class-properties/input.js b/packages/babel-generator/test/fixtures/typescript/class-properties/input.js
index 8c0ad6896587..51413533ae04 100644
--- a/packages/babel-generator/test/fixtures/typescript/class-properties/input.js
+++ b/packages/babel-generator/test/fixtures/typescript/class-properties/input.js
@@ -3,4 +3,6 @@ class C {
     x?;
     x: number;
     x: number = 1;
+    x!;
+    x!: number;
 }
diff --git a/packages/babel-generator/test/fixtures/typescript/class-properties/output.js b/packages/babel-generator/test/fixtures/typescript/class-properties/output.js
index 6ae9081d4976..7318dc2f1d1d 100644
--- a/packages/babel-generator/test/fixtures/typescript/class-properties/output.js
+++ b/packages/babel-generator/test/fixtures/typescript/class-properties/output.js
@@ -3,4 +3,6 @@ class C {
   x?;
   x: number;
   x: number = 1;
+  x!;
+  x!: number;
 }
\ No newline at end of file
diff --git a/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js
new file mode 100644
index 000000000000..f27135a2b9f0
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js
@@ -0,0 +1 @@
+let x!: number;
diff --git a/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js
new file mode 100644
index 000000000000..73cac9cc10de
--- /dev/null
+++ b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js
@@ -0,0 +1 @@
+let x!: number;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-typescript/src/index.js b/packages/babel-plugin-transform-typescript/src/index.js
index efb7ae5e1370..986fdf77ab71 100644
--- a/packages/babel-plugin-transform-typescript/src/index.js
+++ b/packages/babel-plugin-transform-typescript/src/index.js
@@ -79,6 +79,10 @@ export default function() {
         if (path.node.declare) path.remove();
       },
 
+      VariableDeclarator({ node }) {
+        if (node.definite) node.definite = null;
+      },
+
       ClassMethod(path) {
         const { node } = path;
 
@@ -154,7 +158,9 @@ export default function() {
 
         if (node.accessibility) node.accessibility = null;
         if (node.abstract) node.abstract = null;
+        if (node.readonly) node.readonly = null;
         if (node.optional) node.optional = null;
+        if (node.definite) node.definite = null;
         if (node.typeAnnotation) node.typeAnnotation = null;
       },
 
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/input.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/input.js
index 36c4f340ca34..ce12b25f6fd4 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/input.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/input.js
@@ -1,4 +1,5 @@
 class C {
     public a?: number;
     private b: number = 0;
+    readonly c!: number = 1;
 }
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/output.js b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/output.js
index 14de70ecc590..77e91a62b067 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/output.js
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/properties/output.js
@@ -1,3 +1,4 @@
 class C {
   b = 0;
+  c = 1;
 }
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js
new file mode 100644
index 000000000000..f27135a2b9f0
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js
@@ -0,0 +1 @@
+let x!: number;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js
new file mode 100644
index 000000000000..2756c24c4577
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js
@@ -0,0 +1 @@
+let x;
diff --git a/packages/babel-types/src/definitions/core.js b/packages/babel-types/src/definitions/core.js
index 6845a78a3f7a..0bd5c2ae33dd 100644
--- a/packages/babel-types/src/definitions/core.js
+++ b/packages/babel-types/src/definitions/core.js
@@ -836,6 +836,10 @@ defineType("VariableDeclarator", {
     id: {
       validate: assertNodeType("LVal"),
     },
+    definite: {
+      optional: true,
+      validate: assertValueType("boolean"),
+    },
     init: {
       optional: true,
       validate: assertNodeType("Expression"),
diff --git a/packages/babel-types/src/definitions/experimental.js b/packages/babel-types/src/definitions/experimental.js
index d10d2c47c0fc..c9d7b1a301b2 100644
--- a/packages/babel-types/src/definitions/experimental.js
+++ b/packages/babel-types/src/definitions/experimental.js
@@ -36,6 +36,10 @@ defineType("ClassProperty", {
       validate: assertNodeType("Expression"),
       optional: true,
     },
+    definite: {
+      validate: assertValueType("boolean"),
+      optional: true,
+    },
     typeAnnotation: {
       validate: assertNodeType("TypeAnnotation", "TSTypeAnnotation", "Noop"),
       optional: true,
diff --git a/packages/babylon/src/plugins/typescript.js b/packages/babylon/src/plugins/typescript.js
index 69086d55424e..5af2b00f0b6e 100644
--- a/packages/babylon/src/plugins/typescript.js
+++ b/packages/babylon/src/plugins/typescript.js
@@ -1691,6 +1691,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     }
 
     parseClassProperty(node: N.ClassProperty): N.ClassProperty {
+      if (!node.optional && this.eat(tt.bang)) {
+        node.definite = true;
+      }
+
       const type = this.tsTryParseTypeAnnotation();
       if (type) node.typeAnnotation = type;
       return super.parseClassProperty(node);
@@ -1752,6 +1756,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     // `let x: number;`
     parseVarHead(decl: N.VariableDeclarator): void {
       super.parseVarHead(decl);
+      if (decl.id.type === "Identifier" && this.eat(tt.bang)) {
+        decl.definite = true;
+      }
+
       const type = this.tsTryParseTypeAnnotation();
       if (type) {
         decl.id.typeAnnotation = type;
@@ -1980,7 +1988,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     }
 
     isClassProperty(): boolean {
-      return this.match(tt.colon) || super.isClassProperty();
+      return (
+        this.match(tt.bang) || this.match(tt.colon) || super.isClassProperty()
+      );
     }
 
     parseMaybeDefault(...args): N.Pattern {
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index 835f36b6d25c..e892b7d159f1 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -326,6 +326,9 @@ export type VariableDeclarator = NodeBase & {
   type: "VariableDeclarator",
   id: Pattern,
   init: ?Expression,
+
+  // TypeScript only:
+  definite?: true,
 };
 
 // Misc
@@ -696,6 +699,7 @@ export type ClassProperty = ClassMemberBase & {
 
   // TypeScript only: (TODO: Not in spec)
   readonly?: true,
+  definite?: true,
 };
 
 export type ClassPrivateProperty = NodeBase & {
diff --git a/packages/babylon/test/fixtures/typescript/class/properties/input.js b/packages/babylon/test/fixtures/typescript/class/properties/input.js
index 8c0ad6896587..51413533ae04 100644
--- a/packages/babylon/test/fixtures/typescript/class/properties/input.js
+++ b/packages/babylon/test/fixtures/typescript/class/properties/input.js
@@ -3,4 +3,6 @@ class C {
     x?;
     x: number;
     x: number = 1;
+    x!;
+    x!: number;
 }
diff --git a/packages/babylon/test/fixtures/typescript/class/properties/output.json b/packages/babylon/test/fixtures/typescript/class/properties/output.json
index edbf544f70e6..90e0d7df2267 100644
--- a/packages/babylon/test/fixtures/typescript/class/properties/output.json
+++ b/packages/babylon/test/fixtures/typescript/class/properties/output.json
@@ -1,28 +1,28 @@
 {
   "type": "File",
   "start": 0,
-  "end": 60,
+  "end": 84,
   "loc": {
     "start": {
       "line": 1,
       "column": 0
     },
     "end": {
-      "line": 6,
+      "line": 8,
       "column": 1
     }
   },
   "program": {
     "type": "Program",
     "start": 0,
-    "end": 60,
+    "end": 84,
     "loc": {
       "start": {
         "line": 1,
         "column": 0
       },
       "end": {
-        "line": 6,
+        "line": 8,
         "column": 1
       }
     },
@@ -31,14 +31,14 @@
       {
         "type": "ClassDeclaration",
         "start": 0,
-        "end": 60,
+        "end": 84,
         "loc": {
           "start": {
             "line": 1,
             "column": 0
           },
           "end": {
-            "line": 6,
+            "line": 8,
             "column": 1
           }
         },
@@ -63,14 +63,14 @@
         "body": {
           "type": "ClassBody",
           "start": 8,
-          "end": 60,
+          "end": 84,
           "loc": {
             "start": {
               "line": 1,
               "column": 8
             },
             "end": {
-              "line": 6,
+              "line": 8,
               "column": 1
             }
           },
@@ -294,6 +294,108 @@
                 },
                 "value": 1
               }
+            },
+            {
+              "type": "ClassProperty",
+              "start": 63,
+              "end": 66,
+              "loc": {
+                "start": {
+                  "line": 6,
+                  "column": 4
+                },
+                "end": {
+                  "line": 6,
+                  "column": 7
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 63,
+                "end": 64,
+                "loc": {
+                  "start": {
+                    "line": 6,
+                    "column": 4
+                  },
+                  "end": {
+                    "line": 6,
+                    "column": 5
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "computed": false,
+              "definite": true,
+              "value": null
+            },
+            {
+              "type": "ClassProperty",
+              "start": 71,
+              "end": 82,
+              "loc": {
+                "start": {
+                  "line": 7,
+                  "column": 4
+                },
+                "end": {
+                  "line": 7,
+                  "column": 15
+                }
+              },
+              "static": false,
+              "key": {
+                "type": "Identifier",
+                "start": 71,
+                "end": 72,
+                "loc": {
+                  "start": {
+                    "line": 7,
+                    "column": 4
+                  },
+                  "end": {
+                    "line": 7,
+                    "column": 5
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "computed": false,
+              "definite": true,
+              "typeAnnotation": {
+                "type": "TSTypeAnnotation",
+                "start": 73,
+                "end": 81,
+                "loc": {
+                  "start": {
+                    "line": 7,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 7,
+                    "column": 14
+                  }
+                },
+                "typeAnnotation": {
+                  "type": "TSNumberKeyword",
+                  "start": 75,
+                  "end": 81,
+                  "loc": {
+                    "start": {
+                      "line": 7,
+                      "column": 8
+                    },
+                    "end": {
+                      "line": 7,
+                      "column": 14
+                    }
+                  }
+                }
+              },
+              "value": null
             }
           ]
         }
diff --git a/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/input.js b/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/input.js
new file mode 100644
index 000000000000..f649b70d9ca1
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/input.js
@@ -0,0 +1,3 @@
+class C {
+  x?!: number;
+}
diff --git a/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/options.json b/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/options.json
new file mode 100644
index 000000000000..626e94c744f1
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/class/property-optional-definite-assignment-not-allowed/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \";\" (2:4)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/input.js b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/input.js
new file mode 100644
index 000000000000..e91abc1a9d92
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/input.js
@@ -0,0 +1 @@
+let {}! = {};
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/options.json b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/options.json
new file mode 100644
index 000000000000..8cb567ee7788
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment-not-allowed/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Complex binding patterns require an initialization value (1:6)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/input.js b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/input.js
new file mode 100644
index 000000000000..f27135a2b9f0
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/input.js
@@ -0,0 +1 @@
+let x!: number;
diff --git a/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/output.json b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/output.json
new file mode 100644
index 000000000000..d47c7ce44ba1
--- /dev/null
+++ b/packages/babylon/test/fixtures/typescript/variable-declarator/definite-assignment/output.json
@@ -0,0 +1,116 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 15,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 15
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 15,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 15
+      }
+    },
+    "sourceType": "module",
+    "body": [
+      {
+        "type": "VariableDeclaration",
+        "start": 0,
+        "end": 15,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 15
+          }
+        },
+        "declarations": [
+          {
+            "type": "VariableDeclarator",
+            "start": 4,
+            "end": 14,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 4
+              },
+              "end": {
+                "line": 1,
+                "column": 14
+              }
+            },
+            "id": {
+              "type": "Identifier",
+              "start": 4,
+              "end": 14,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 4
+                },
+                "end": {
+                  "line": 1,
+                  "column": 14
+                },
+                "identifierName": "x"
+              },
+              "name": "x",
+              "typeAnnotation": {
+                "type": "TSTypeAnnotation",
+                "start": 6,
+                "end": 14,
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 14
+                  }
+                },
+                "typeAnnotation": {
+                  "type": "TSNumberKeyword",
+                  "start": 8,
+                  "end": 14,
+                  "loc": {
+                    "start": {
+                      "line": 1,
+                      "column": 8
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 14
+                    }
+                  }
+                }
+              }
+            },
+            "definite": true,
+            "init": null
+          }
+        ],
+        "kind": "let"
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file

From 8823e4247e58c0cd63857017b1ed54f77e809821 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Sun, 25 Feb 2018 20:12:33 -0600
Subject: [PATCH 038/140] Fix up flow errors (#7227)

* charcodes@0.1.0

* Add hasFlowComment to tokenizer/state

* Fix babel-types flow errors

* Add isIterator to tokenizer/state

* Remove unnecessary argument from flow/readToken

* Add annotation to tokenizer/isIterator

* Fix reference to generated index.js.flow

* Add workaround in babel-template expression formatter

* Fix tsEatThenParseType return type

* Fix inconsistency with ParseSubscript state

* Add workaround for flow handling error with tagged template in optional chain

* Add flow workaround in expectPlugin inside tokenizer
---
 .flowconfig                                   |  2 +-
 package.json                                  |  2 +-
 packages/babel-template/src/formatters.js     |  7 ++++---
 packages/babel-types/src/definitions/utils.js |  4 ++--
 packages/babylon/package.json                 |  2 +-
 packages/babylon/src/parser/expression.js     | 12 +++++++-----
 packages/babylon/src/plugins/flow.js          |  2 +-
 packages/babylon/src/plugins/typescript.js    |  4 ++--
 packages/babylon/src/tokenizer/index.js       |  3 ++-
 packages/babylon/src/tokenizer/state.js       |  4 +++-
 packages/babylon/src/types.js                 |  9 +++++++++
 yarn.lock                                     |  6 +++---
 12 files changed, 36 insertions(+), 21 deletions(-)

diff --git a/.flowconfig b/.flowconfig
index ff9a56ee0783..a60a4a9144d5 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -13,8 +13,8 @@ codemods/*/src
 [libs]
 lib/file.js
 lib/parser.js
-lib/packages/babel-types/lib/index.js.flow
 lib/third-party-libs.js.flow
+packages/babel-types/lib/index.js.flow
 
 [options]
 include_warnings=true
diff --git a/package.json b/package.json
index 6638f68c9b9f..335e4964aaf8 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",
     "chalk": "^2.0.0",
-    "charcodes": "0.0.10",
+    "charcodes": "0.1.0",
     "derequire": "^2.0.2",
     "eslint": "^4.5.0",
     "eslint-config-babel": "^7.0.2",
diff --git a/packages/babel-template/src/formatters.js b/packages/babel-template/src/formatters.js
index e665e343be66..4feb1d5484e4 100644
--- a/packages/babel-template/src/formatters.js
+++ b/packages/babel-template/src/formatters.js
@@ -12,7 +12,7 @@ function makeStatementFormatter<T>(
   return {
     // We need to prepend a ";" to force statement parsing so that
     // ExpressionStatement strings won't be parsed as directives.
-    // Alonside that, we also prepend a comment so that when a syntax error
+    // Alongside that, we also prepend a comment so that when a syntax error
     // is encountered, the user will be less likely to get confused about
     // where the random semicolon came from.
     code: str => `/* @babel/template */;\n${str}`,
@@ -54,16 +54,17 @@ export const statement: Formatter<BabelNodeStatement> = makeStatementFormatter(
 
 export const expression: Formatter<BabelNodeExpression> = {
   code: str => `(\n${str}\n)`,
-  validate: (ast: BabelNodeFile) => {
-    const { program } = ast;
+  validate: ({ program }) => {
     if (program.body.length > 1) {
       throw new Error("Found multiple statements but wanted one");
     }
+    // $FlowFixMe
     const expression = program.body[0].expression;
     if (expression.start === 0) {
       throw new Error("Parse result included parens.");
     }
   },
+  // $FlowFixMe
   unwrap: ast => ast.program.body[0].expression,
 };
 
diff --git a/packages/babel-types/src/definitions/utils.js b/packages/babel-types/src/definitions/utils.js
index 4fc52eef84c9..45cf72b297fa 100644
--- a/packages/babel-types/src/definitions/utils.js
+++ b/packages/babel-types/src/definitions/utils.js
@@ -21,10 +21,10 @@ function getType(val) {
 }
 
 // TODO: Import and use Node instead of any
-opaque type Validator = (any, string, any) => void;
+type Validator = (any, string, any) => void;
 
 type FieldOptions = {
-  default?: boolean,
+  default?: any,
   optional?: boolean,
   validate?: Validator,
 };
diff --git a/packages/babylon/package.json b/packages/babylon/package.json
index 5d9a7029f618..b870ce8ef10d 100644
--- a/packages/babylon/package.json
+++ b/packages/babylon/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@babel/helper-fixtures": "7.0.0-beta.40",
-    "charcodes": "0.0.10",
+    "charcodes": "0.1.0",
     "unicode-10.0.0": "^0.7.4"
   },
   "bin": {
diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 83508c035a46..5845cbf613fe 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -426,7 +426,10 @@ export default class ExpressionParser extends LValParser {
     startLoc: Position,
     noCalls?: ?boolean,
   ): N.Expression {
-    const state = { stop: false };
+    const state = {
+      optionalChainMember: false,
+      stop: false,
+    };
     do {
       base = this.parseSubscript(base, startPos, startLoc, noCalls, state);
     } while (!state.stop);
@@ -439,7 +442,7 @@ export default class ExpressionParser extends LValParser {
     startPos: number,
     startLoc: Position,
     noCalls: ?boolean,
-    state: { stop: boolean, optionalChainMember?: boolean },
+    state: N.ParseSubscriptState,
   ): N.Expression {
     if (!noCalls && this.eat(tt.doubleColon)) {
       const node = this.startNodeAt(startPos, startLoc);
@@ -554,14 +557,13 @@ export default class ExpressionParser extends LValParser {
       const node = this.startNodeAt(startPos, startLoc);
       node.tag = base;
       node.quasi = this.parseTemplate(true);
-      if (!state.optionalChainMember) {
-        return this.finishNode(node, "TaggedTemplateExpression");
-      } else {
+      if (state.optionalChainMember) {
         this.raise(
           startPos,
           "Tagged Template Literals are not allowed in optionalChain",
         );
       }
+      return this.finishNode(node, "TaggedTemplateExpression");
     } else {
       state.stop = true;
       return base;
diff --git a/packages/babylon/src/plugins/flow.js b/packages/babylon/src/plugins/flow.js
index b5c904ef19d2..cce373f357e4 100644
--- a/packages/babylon/src/plugins/flow.js
+++ b/packages/babylon/src/plugins/flow.js
@@ -1632,7 +1632,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
         return this.finishOp(tt.relational, 1);
       } else if (isIteratorStart(code, next)) {
         this.state.isIterator = true;
-        return super.readWord(code);
+        return super.readWord();
       } else {
         return super.readToken(code);
       }
diff --git a/packages/babylon/src/plugins/typescript.js b/packages/babylon/src/plugins/typescript.js
index 5af2b00f0b6e..58074479e04e 100644
--- a/packages/babylon/src/plugins/typescript.js
+++ b/packages/babylon/src/plugins/typescript.js
@@ -886,7 +886,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       }
     }
 
-    tsEatThenParseType(token: TokenType): N.TsType | undefined {
+    tsEatThenParseType(token: TokenType): N.TsType | typeof undefined {
       return !this.match(token) ? undefined : this.tsNextThenParseType();
     }
 
@@ -1326,7 +1326,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       startPos: number,
       startLoc: Position,
       noCalls: ?boolean,
-      state: { stop: boolean },
+      state: N.ParseSubscriptState,
     ): N.Expression {
       if (!this.hasPrecedingLineBreak() && this.eat(tt.bang)) {
         const nonNullExpression: N.TsNonNullExpression = this.startNodeAt(
diff --git a/packages/babylon/src/tokenizer/index.js b/packages/babylon/src/tokenizer/index.js
index 45d551b75517..48c1efc25df2 100644
--- a/packages/babylon/src/tokenizer/index.js
+++ b/packages/babylon/src/tokenizer/index.js
@@ -467,6 +467,7 @@ export default class Tokenizer extends LocationParser {
       const assign =
         this.input.charCodeAt(this.state.pos + 2) === charCodes.equalsTo;
       if (assign) {
+        // $FlowFixMe
         this.expectPlugin("logicalAssignment");
       }
       this.finishOp(
@@ -1280,7 +1281,7 @@ export default class Tokenizer extends LocationParser {
     return word + this.input.slice(chunkStart, this.state.pos);
   }
 
-  isIterator(word): boolean {
+  isIterator(word: string): boolean {
     return word === "@@iterator" || word === "@@asyncIterator";
   }
 
diff --git a/packages/babylon/src/tokenizer/state.js b/packages/babylon/src/tokenizer/state.js
index 0041dcfbf8a1..99046451e816 100644
--- a/packages/babylon/src/tokenizer/state.js
+++ b/packages/babylon/src/tokenizer/state.js
@@ -21,7 +21,7 @@ export default class State {
     this.noArrowParamsConversionAt = [];
 
     // eslint-disable-next-line max-len
-    this.inMethod = this.inFunction = this.inParameters = this.maybeInArrowParameters = this.inGenerator = this.inAsync = this.inPropertyName = this.inType = this.inClassProperty = this.noAnonFunctionType = false;
+    this.inMethod = this.inFunction = this.inParameters = this.maybeInArrowParameters = this.inGenerator = this.inAsync = this.inPropertyName = this.inType = this.inClassProperty = this.noAnonFunctionType = this.hasFlowComment = this.isIterator = false;
 
     this.classLevel = 0;
 
@@ -98,6 +98,8 @@ export default class State {
   noAnonFunctionType: boolean;
   inPropertyName: boolean;
   inClassProperty: boolean;
+  hasFlowComment: boolean;
+  isIterator: boolean;
 
   // Check whether we are in a (nested) class or not.
   classLevel: number;
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index e892b7d159f1..d97999fa155d 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -1315,3 +1315,12 @@ export type TsNonNullExpression = NodeBase & {
   type: "TSNonNullExpression",
   expression: Expression,
 };
+
+// ================
+// Other
+// ================
+
+export type ParseSubscriptState = {
+  optionalChainMember: boolean,
+  stop: boolean,
+};
diff --git a/yarn.lock b/yarn.lock
index 345a2f985b1a..559da23b4873 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1671,9 +1671,9 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-charcodes@0.0.10:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/charcodes/-/charcodes-0.0.10.tgz#98d67a7a1e17ce154d1faafd01e72e9a6cff54f5"
+charcodes@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/charcodes/-/charcodes-0.1.0.tgz#61f8c244fc7f94f186fe74f31078901a3ed7928e"
 
 chardet@^0.4.0:
   version "0.4.2"

From 7ff4a73916b04d53e4d9f2b2c5d401d3deceb684 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sun, 25 Feb 2018 19:22:23 -0800
Subject: [PATCH 039/140] Upgrade flow to 0.66 and fix a few minor errors.
 (#7431)

---
 lib/third-party-libs.js.flow              | 6 +++---
 package.json                              | 2 +-
 packages/babel-types/README.md            | 2 ++
 packages/babylon/src/parser/expression.js | 4 +++-
 packages/babylon/src/parser/statement.js  | 5 ++++-
 packages/babylon/src/types.js             | 6 ++++--
 yarn.lock                                 | 6 +++---
 7 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/lib/third-party-libs.js.flow b/lib/third-party-libs.js.flow
index 97d19dfda262..df59f5032f16 100644
--- a/lib/third-party-libs.js.flow
+++ b/lib/third-party-libs.js.flow
@@ -3,9 +3,9 @@
  */
 
 declare module "micromatch" {
-  declare function exports(Array<string>, Array<string>, ?{
-    nocase: boolean,
-  }): Array<string>;
+  declare module.exports: {
+    (Array<string>, Array<string>, ?{ nocase: boolean }): Array<string>,
+  };
 }
 
 declare module "resolve" {
diff --git a/package.json b/package.json
index 335e4964aaf8..d5d25803f70e 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "eslint-config-babel": "^7.0.2",
     "eslint-plugin-flowtype": "^2.20.0",
     "eslint-plugin-prettier": "^2.5.0",
-    "flow-bin": "^0.59.0",
+    "flow-bin": "^0.66.0",
     "graceful-fs": "^4.1.11",
     "gulp": "^3.9.0",
     "gulp-babel": "^8.0.0-beta.0",
diff --git a/packages/babel-types/README.md b/packages/babel-types/README.md
index 927ca0d4d22a..2f2868c50052 100644
--- a/packages/babel-types/README.md
+++ b/packages/babel-types/README.md
@@ -359,6 +359,7 @@ Aliases: `Property`
  - `computed`: `boolean` (default: `false`)
  - `abstract`: `boolean` (default: `null`)
  - `accessibility`: `"public" | "private" | "protected"` (default: `null`)
+ - `definite`: `boolean` (default: `null`)
  - `optional`: `boolean` (default: `null`)
  - `readonly`: `boolean` (default: `null`)
  - `static`: `boolean` (default: `null`)
@@ -2851,6 +2852,7 @@ See also `t.isVariableDeclarator(node, opts)` and `t.assertVariableDeclarator(no
 
  - `id`: `LVal` (required)
  - `init`: `Expression` (default: `null`)
+ - `definite`: `boolean` (default: `null`)
 
 ---
 
diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 5845cbf613fe..71b1e254c74c 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -1678,7 +1678,9 @@ export default class ExpressionParser extends LValParser {
     const oldStrict = this.state.strict;
     if (isStrict) this.state.strict = isStrict;
     if (node.id) {
-      this.checkReservedWord(node.id, node.start, true, true);
+      // TODO(logan): This check is broken because it passes a node object as
+      // a binding name. Passing the actual string introduces other failures.
+      // this.checkReservedWord(node.id, node.start, true, true);
     }
     if (checkLVal) {
       const nameHash: any = Object.create(null);
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index 1d443f06f7ee..ab917a22db56 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -1488,7 +1488,10 @@ export default class StatementParser extends ExpressionParser {
           node.declaration.type === "FunctionDeclaration" ||
           node.declaration.type === "ClassDeclaration"
         ) {
-          this.checkDuplicateExports(node, node.declaration.id.name);
+          const id = node.declaration.id;
+          if (!id) throw new Error("Assertion failure");
+
+          this.checkDuplicateExports(node, id.name);
         } else if (node.declaration.type === "VariableDeclaration") {
           for (const declaration of node.declaration.declarations) {
             this.checkDeclaration(declaration.id);
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index d97999fa155d..7f7f46b6460a 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -1068,6 +1068,8 @@ export type TsType =
   | TsArrayType
   | TsTupleType
   | TsUnionOrIntersectionType
+  | TsConditionalType
+  | TsInferType
   | TsParenthesizedType
   | TsTypeOperator
   | TsIndexedAccessType
@@ -1163,10 +1165,10 @@ export type TsConditionalType = TsTypeBase & {
   checkType: TsType,
   extendsType: TsType,
   trueType: TsType,
-  falseType: tsType,
+  falseType: TsType,
 };
 
-export type InferType = TsTypeBase & {
+export type TsInferType = TsTypeBase & {
   type: "TSInferType",
   typeParameter: TypeParameter,
 };
diff --git a/yarn.lock b/yarn.lock
index 559da23b4873..7b7642dea7d3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3074,9 +3074,9 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.59.0:
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.59.0.tgz#8c151ee7f09f1deed9bf0b9d1f2e8ab9d470f1bb"
+flow-bin@^0.66.0:
+  version "0.66.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.66.0.tgz#a96dde7015dc3343fd552a7b4963c02be705ca26"
 
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"

From cb4f4f4d5f84135133bdef4ffa762d6969dad8a6 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sun, 25 Feb 2018 21:38:11 -0800
Subject: [PATCH 040/140] Ensure that typechecking artifacts are built up front
 for watch.

---
 Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Makefile b/Makefile
index 123c16e1a4e0..a563a059a119 100644
--- a/Makefile
+++ b/Makefile
@@ -41,6 +41,12 @@ build-dist: build
 
 watch: clean
 	make clean-lib
+
+	# Ensure that build artifacts for types are created during local
+	# development too.
+	BABEL_ENV=development ./node_modules/.bin/gulp build
+	node ./packages/babel-types/scripts/generateTypeHelpers.js
+	node scripts/generators/flow.js > ./packages/babel-types/lib/index.js.flow
 	BABEL_ENV=development ./node_modules/.bin/gulp watch
 
 flow:

From dffcef785a16d8e2f32445632213322ccc868db6 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 1 Dec 2017 17:11:11 -0800
Subject: [PATCH 041/140] Lazy-initialize helper templates.

---
 packages/babel-helpers/src/helpers.js | 180 +++++++++++++-------------
 1 file changed, 88 insertions(+), 92 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 8cfabc8f6482..8b89f2e55d4a 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -5,11 +5,7 @@ import template from "@babel/template";
 const helpers = {};
 export default helpers;
 
-// Helpers never include placeholders, so we disable placeholder pattern
-// matching to allow us to use pattern-like variable names.
-const defineHelper = template.program({ placeholderPattern: false });
-
-helpers.typeof = defineHelper(`
+helpers.typeof = () => template.program.ast`
   export default function _typeof(obj) {
     if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
       _typeof = function (obj) { return typeof obj; };
@@ -23,9 +19,9 @@ helpers.typeof = defineHelper(`
 
     return _typeof(obj);
   }
-`);
+`;
 
-helpers.jsx = defineHelper(`
+helpers.jsx = () => template.program.ast`
   var REACT_ELEMENT_TYPE;
 
   export default function _createRawReactElement(type, props, key, children) {
@@ -72,9 +68,9 @@ helpers.jsx = defineHelper(`
       _owner: null,
     };
   }
-`);
+`;
 
-helpers.asyncIterator = defineHelper(`
+helpers.asyncIterator = () => template.program.ast`
   export default function _asyncIterator(iterable) {
     if (typeof Symbol === "function") {
       if (Symbol.asyncIterator) {
@@ -87,15 +83,15 @@ helpers.asyncIterator = defineHelper(`
     }
     throw new TypeError("Object is not async iterable");
   }
-`);
+`;
 
-helpers.AwaitValue = defineHelper(`
+helpers.AwaitValue = () => template.program.ast`
   export default function _AwaitValue(value) {
     this.wrapped = value;
   }
-`);
+`;
 
-helpers.AsyncGenerator = defineHelper(`
+helpers.AsyncGenerator = () => template.program.ast`
   import AwaitValue from "AwaitValue";
 
   export default function AsyncGenerator(gen) {
@@ -177,9 +173,9 @@ helpers.AsyncGenerator = defineHelper(`
   AsyncGenerator.prototype.next = function (arg) { return this._invoke("next", arg); };
   AsyncGenerator.prototype.throw = function (arg) { return this._invoke("throw", arg); };
   AsyncGenerator.prototype.return = function (arg) { return this._invoke("return", arg); };
-`);
+`;
 
-helpers.wrapAsyncGenerator = defineHelper(`
+helpers.wrapAsyncGenerator = () => template.program.ast`
   import AsyncGenerator from "AsyncGenerator";
 
   export default function _wrapAsyncGenerator(fn) {
@@ -187,17 +183,17 @@ helpers.wrapAsyncGenerator = defineHelper(`
       return new AsyncGenerator(fn.apply(this, arguments));
     };
   }
-`);
+`;
 
-helpers.awaitAsyncGenerator = defineHelper(`
+helpers.awaitAsyncGenerator = () => template.program.ast`
   import AwaitValue from "AwaitValue";
 
   export default function _awaitAsyncGenerator(value) {
     return new AwaitValue(value);
   }
-`);
+`;
 
-helpers.asyncGeneratorDelegate = defineHelper(`
+helpers.asyncGeneratorDelegate = () => template.program.ast`
   export default function _asyncGeneratorDelegate(inner, awaitWrap) {
     var iter = {}, waiting = false;
 
@@ -237,9 +233,9 @@ helpers.asyncGeneratorDelegate = defineHelper(`
 
     return iter;
   }
-`);
+`;
 
-helpers.asyncToGenerator = defineHelper(`
+helpers.asyncToGenerator = () => template.program.ast`
   export default function _asyncToGenerator(fn) {
     return function () {
       var self = this, args = arguments;
@@ -267,17 +263,17 @@ helpers.asyncToGenerator = defineHelper(`
       });
     };
   }
-`);
+`;
 
-helpers.classCallCheck = defineHelper(`
+helpers.classCallCheck = () => template.program.ast`
   export default function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
   }
-`);
+`;
 
-helpers.createClass = defineHelper(`
+helpers.createClass = () => template.program.ast`
   function _defineProperties(target, props) {
     for (var i = 0; i < props.length; i ++) {
       var descriptor = props[i];
@@ -293,9 +289,9 @@ helpers.createClass = defineHelper(`
     if (staticProps) _defineProperties(Constructor, staticProps);
     return Constructor;
   }
-`);
+`;
 
-helpers.defineEnumerableProperties = defineHelper(`
+helpers.defineEnumerableProperties = () => template.program.ast`
   export default function _defineEnumerableProperties(obj, descs) {
     for (var key in descs) {
       var desc = descs[key];
@@ -319,9 +315,9 @@ helpers.defineEnumerableProperties = defineHelper(`
     }
     return obj;
   }
-`);
+`;
 
-helpers.defaults = defineHelper(`
+helpers.defaults = () => template.program.ast`
   export default function _defaults(obj, defaults) {
     var keys = Object.getOwnPropertyNames(defaults);
     for (var i = 0; i < keys.length; i++) {
@@ -333,9 +329,9 @@ helpers.defaults = defineHelper(`
     }
     return obj;
   }
-`);
+`;
 
-helpers.defineProperty = defineHelper(`
+helpers.defineProperty = () => template.program.ast`
   export default function _defineProperty(obj, key, value) {
     // Shortcircuit the slow defineProperty path when possible.
     // We are trying to avoid issues where setters defined on the
@@ -354,9 +350,9 @@ helpers.defineProperty = defineHelper(`
     }
     return obj;
   }
-`);
+`;
 
-helpers.extends = defineHelper(`
+helpers.extends = () => template.program.ast`
   export default function _extends() {
     _extends = Object.assign || function (target) {
       for (var i = 1; i < arguments.length; i++) {
@@ -372,9 +368,9 @@ helpers.extends = defineHelper(`
 
     return _extends.apply(this, arguments);
   }
-`);
+`;
 
-helpers.objectSpread = defineHelper(`
+helpers.objectSpread = () => template.program.ast`
   import defineProperty from "defineProperty";
 
   export default function _objectSpread(target) {
@@ -392,9 +388,9 @@ helpers.objectSpread = defineHelper(`
     }
     return target;
   }
-`);
+`;
 
-helpers.get = defineHelper(`
+helpers.get = () => template.program.ast`
   export default function _get(object, property, receiver) {
     if (object === null) object = Function.prototype;
 
@@ -420,9 +416,9 @@ helpers.get = defineHelper(`
       return getter.call(receiver);
     }
   }
-`);
+`;
 
-helpers.inherits = defineHelper(`
+helpers.inherits = () => template.program.ast`
   export default function _inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
       throw new TypeError("Super expression must either be null or a function");
@@ -437,18 +433,18 @@ helpers.inherits = defineHelper(`
     });
     if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
   }
-`);
+`;
 
-helpers.inheritsLoose = defineHelper(`
+helpers.inheritsLoose = () => template.program.ast`
   export default function _inheritsLoose(subClass, superClass) {
     subClass.prototype = Object.create(superClass.prototype);
     subClass.prototype.constructor = subClass;
     subClass.__proto__ = superClass;
   }
-`);
+`;
 
 // Based on https://github.com/WebReflection/babel-plugin-transform-builtin-classes
-helpers.wrapNativeSuper = defineHelper(`
+helpers.wrapNativeSuper = () => template.program.ast`
   var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__ };
   var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o };
   var _construct = (typeof Reflect === "object" && Reflect.construct) ||
@@ -490,9 +486,9 @@ helpers.wrapNativeSuper = defineHelper(`
       )
     );
   }
-`);
+`;
 
-helpers.instanceof = defineHelper(`
+helpers.instanceof = () => template.program.ast`
   export default function _instanceof(left, right) {
     if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) {
       return right[Symbol.hasInstance](left);
@@ -500,15 +496,15 @@ helpers.instanceof = defineHelper(`
       return left instanceof right;
     }
   }
-`);
+`;
 
-helpers.interopRequireDefault = defineHelper(`
+helpers.interopRequireDefault = () => template.program.ast`
   export default function _interopRequireDefault(obj) {
     return obj && obj.__esModule ? obj : { default: obj };
   }
-`);
+`;
 
-helpers.interopRequireWildcard = defineHelper(`
+helpers.interopRequireWildcard = () => template.program.ast`
   export default function _interopRequireWildcard(obj) {
     if (obj && obj.__esModule) {
       return obj;
@@ -532,23 +528,23 @@ helpers.interopRequireWildcard = defineHelper(`
       return newObj;
     }
   }
-`);
+`;
 
-helpers.newArrowCheck = defineHelper(`
+helpers.newArrowCheck = () => template.program.ast`
   export default function _newArrowCheck(innerThis, boundThis) {
     if (innerThis !== boundThis) {
       throw new TypeError("Cannot instantiate an arrow function");
     }
   }
-`);
+`;
 
-helpers.objectDestructuringEmpty = defineHelper(`
+helpers.objectDestructuringEmpty = () => template.program.ast`
   export default function _objectDestructuringEmpty(obj) {
     if (obj == null) throw new TypeError("Cannot destructure undefined");
   }
-`);
+`;
 
-helpers.objectWithoutProperties = defineHelper(`
+helpers.objectWithoutProperties = () => template.program.ast`
   export default function _objectWithoutProperties(source, excluded) {
     if (source == null) return {};
 
@@ -574,18 +570,18 @@ helpers.objectWithoutProperties = defineHelper(`
 
     return target;
   }
-`);
+`;
 
-helpers.assertThisInitialized = defineHelper(`
+helpers.assertThisInitialized = () => template.program.ast`
   export default function _assertThisInitialized(self) {
     if (self === void 0) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
     return self;
   }
-`);
+`;
 
-helpers.possibleConstructorReturn = defineHelper(`
+helpers.possibleConstructorReturn = () => template.program.ast`
   export default function _possibleConstructorReturn(self, call) {
     if (call && (typeof call === "object" || typeof call === "function")) {
       return call;
@@ -598,9 +594,9 @@ helpers.possibleConstructorReturn = defineHelper(`
     }
     return self;
   }
-`);
+`;
 
-helpers.set = defineHelper(`
+helpers.set = () => template.program.ast`
   export default function _set(object, property, value, receiver) {
     var desc = Object.getOwnPropertyDescriptor(object, property);
 
@@ -622,9 +618,9 @@ helpers.set = defineHelper(`
 
     return value;
   }
-`);
+`;
 
-helpers.slicedToArray = defineHelper(`
+helpers.slicedToArray = () => template.program.ast`
   // Broken out into a separate function to avoid deoptimizations due to the try/catch for the
   // array iterator case.
   function _sliceIterator(arr, i) {
@@ -669,9 +665,9 @@ helpers.slicedToArray = defineHelper(`
       throw new TypeError("Invalid attempt to destructure non-iterable instance");
     }
   }
-`);
+`;
 
-helpers.slicedToArrayLoose = defineHelper(`
+helpers.slicedToArrayLoose = () => template.program.ast`
   export default function _slicedToArrayLoose(arr, i) {
     if (Array.isArray(arr)) {
       return arr;
@@ -686,26 +682,26 @@ helpers.slicedToArrayLoose = defineHelper(`
       throw new TypeError("Invalid attempt to destructure non-iterable instance");
     }
   }
-`);
+`;
 
-helpers.taggedTemplateLiteral = defineHelper(`
+helpers.taggedTemplateLiteral = () => template.program.ast`
   export default function _taggedTemplateLiteral(strings, raw) {
     if (!raw) { raw = strings.slice(0); }
     return Object.freeze(Object.defineProperties(strings, {
         raw: { value: Object.freeze(raw) }
     }));
   }
-`);
+`;
 
-helpers.taggedTemplateLiteralLoose = defineHelper(`
+helpers.taggedTemplateLiteralLoose = () => template.program.ast`
   export default function _taggedTemplateLiteralLoose(strings, raw) {
     if (!raw) { raw = strings.slice(0); }
     strings.raw = raw;
     return strings;
   }
-`);
+`;
 
-helpers.temporalRef = defineHelper(`
+helpers.temporalRef = () => template.program.ast`
   import undef from "temporalUndefined";
 
   export default function _temporalRef(val, name) {
@@ -715,31 +711,31 @@ helpers.temporalRef = defineHelper(`
       return val;
     }
   }
-`);
+`;
 
-helpers.readOnlyError = defineHelper(`
+helpers.readOnlyError = () => template.program.ast`
   export default function _readOnlyError(name) {
     throw new Error("\\"" + name + "\\" is read-only");
   }
-`);
+`;
 
-helpers.classNameTDZError = defineHelper(`
+helpers.classNameTDZError = () => template.program.ast`
   export default function _classNameTDZError(name) {
     throw new Error("Class \\"" + name + "\\" cannot be referenced in computed property keys.");
   }
-`);
+`;
 
-helpers.temporalUndefined = defineHelper(`
+helpers.temporalUndefined = () => template.program.ast`
   export default {};
-`);
+`;
 
-helpers.toArray = defineHelper(`
+helpers.toArray = () => template.program.ast`
   export default function _toArray(arr) {
     return Array.isArray(arr) ? arr : Array.from(arr);
   }
-`);
+`;
 
-helpers.toConsumableArray = defineHelper(`
+helpers.toConsumableArray = () => template.program.ast`
   export default function _toConsumableArray(arr) {
     if (Array.isArray(arr)) {
       for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
@@ -748,9 +744,9 @@ helpers.toConsumableArray = defineHelper(`
       return Array.from(arr);
     }
   }
-`);
+`;
 
-helpers.skipFirstGeneratorNext = defineHelper(`
+helpers.skipFirstGeneratorNext = () => template.program.ast`
   export default function _skipFirstGeneratorNext(fn) {
     return function () {
       var it = fn.apply(this, arguments);
@@ -758,9 +754,9 @@ helpers.skipFirstGeneratorNext = defineHelper(`
       return it;
     }
   }
-`);
+`;
 
-helpers.toPropertyKey = defineHelper(`
+helpers.toPropertyKey = () => template.program.ast`
   export default function _toPropertyKey(key) {
     if (typeof key === "symbol") {
       return key;
@@ -768,13 +764,13 @@ helpers.toPropertyKey = defineHelper(`
       return String(key);
     }
   }
-`);
+`;
 
 /**
  * Add a helper that will throw a useful error if the transform fails to detect the class
  * property assignment, so users know something failed.
  */
-helpers.initializerWarningHelper = defineHelper(`
+helpers.initializerWarningHelper = () => template.program.ast`
     export default function _initializerWarningHelper(descriptor, context){
         throw new Error(
           'Decorating class property failed. Please ensure that ' +
@@ -783,12 +779,12 @@ helpers.initializerWarningHelper = defineHelper(`
           'the next major version of decorators in stage 2.'
         );
     }
-`);
+`;
 
 /**
  * Add a helper to call as a replacement for class property definition.
  */
-helpers.initializerDefineProperty = defineHelper(`
+helpers.initializerDefineProperty = () => template.program.ast`
     export default function _initializerDefineProperty(target, property, descriptor, context){
         if (!descriptor) return;
 
@@ -799,13 +795,13 @@ helpers.initializerDefineProperty = defineHelper(`
             value: descriptor.initializer ? descriptor.initializer.call(context) : void 0,
         });
     }
-`);
+`;
 
 /**
  * Add a helper to take an initial descriptor, apply some decorators to it, and optionally
  * define the property.
  */
-helpers.applyDecoratedDescriptor = defineHelper(`
+helpers.applyDecoratedDescriptor = () => template.program.ast`
     export default function _applyDecoratedDescriptor(target, property, decorators, descriptor, context){
         var desc = {};
         Object['ke' + 'ys'](descriptor).forEach(function(key){
@@ -835,4 +831,4 @@ helpers.applyDecoratedDescriptor = defineHelper(`
 
         return desc;
     }
-`);
+`;

From 600106b9cb0edd169e9c08d23113c9dd44599af2 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 1 Dec 2017 17:11:38 -0800
Subject: [PATCH 042/140] Lazy-initialize external helper template.

---
 .../src/tools/build-external-helpers.js       | 29 ++++++++++---------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/packages/babel-core/src/tools/build-external-helpers.js b/packages/babel-core/src/tools/build-external-helpers.js
index 2b6eba92a16e..c6aa2bf6d21a 100644
--- a/packages/babel-core/src/tools/build-external-helpers.js
+++ b/packages/babel-core/src/tools/build-external-helpers.js
@@ -3,19 +3,22 @@ import generator from "@babel/generator";
 import template from "@babel/template";
 import * as t from "@babel/types";
 
-const buildUmdWrapper = template(`
-  (function (root, factory) {
-    if (typeof define === "function" && define.amd) {
-      define(AMD_ARGUMENTS, factory);
-    } else if (typeof exports === "object") {
-      factory(COMMON_ARGUMENTS);
-    } else {
-      factory(BROWSER_ARGUMENTS);
-    }
-  })(UMD_ROOT, function (FACTORY_PARAMETERS) {
-    FACTORY_BODY
-  });
-`);
+// Wrapped to avoid wasting time parsing this when almost no-one uses
+// build-external-helpers.
+const buildUmdWrapper = replacements =>
+  template`
+    (function (root, factory) {
+      if (typeof define === "function" && define.amd) {
+        define(AMD_ARGUMENTS, factory);
+      } else if (typeof exports === "object") {
+        factory(COMMON_ARGUMENTS);
+      } else {
+        factory(BROWSER_ARGUMENTS);
+      }
+    })(UMD_ROOT, function (FACTORY_PARAMETERS) {
+      FACTORY_BODY
+    });
+  `(replacements);
 
 function buildGlobal(whitelist) {
   const namespace = t.identifier("babelHelpers");

From d4a8c7672c946beecaafd03a5025d2b2b25b1dc9 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 1 Dec 2017 17:53:03 -0800
Subject: [PATCH 043/140] Avoid using lodash during config loading, for
 require() performance.

---
 packages/babel-core/src/config/index.js | 33 +++++++++++++++++++++----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/packages/babel-core/src/config/index.js b/packages/babel-core/src/config/index.js
index ef5d5c4a667d..b62fc57fc480 100644
--- a/packages/babel-core/src/config/index.js
+++ b/packages/babel-core/src/config/index.js
@@ -3,7 +3,6 @@
 import path from "path";
 import * as context from "../index";
 import Plugin from "./plugin";
-import merge from "lodash/merge";
 import {
   buildRootChain,
   buildPresetChain,
@@ -13,10 +12,9 @@ import {
 } from "./config-chain";
 import type { UnloadedDescriptor } from "./config-descriptors";
 import traverse from "@babel/traverse";
-import clone from "lodash/clone";
 import { makeWeakCache, type CacheConfigurator } from "./caching";
 import { getEnv } from "./helpers/environment";
-import { validate } from "./validation/options";
+import { validate, type ValidatedOptions } from "./validation/options";
 import { validatePluginObject } from "./validation/plugins";
 
 type LoadedDescriptor = {
@@ -141,7 +139,8 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
     throw e;
   }
 
-  const opts: Object = merge(optionDefaults, options);
+  const opts: Object = optionDefaults;
+  merge(opts, options);
 
   // Tack the passes onto the object itself so that, if this object is passed back to Babel a second time,
   // it will be in the right structure to not change behavior.
@@ -161,6 +160,30 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
   };
 }
 
+function merge(target: ValidatedOptions, source: ValidatedOptions): void {
+  for (const k of Object.keys(source)) {
+    if (k === "parserOpts" && source.parserOpts) {
+      const parserOpts = source.parserOpts;
+      const targetObj = (target.parserOpts = target.parserOpts || {});
+      mergeObject(targetObj, parserOpts);
+    } else if (k === "generatorOpts" && source.generatorOpts) {
+      const generatorOpts = source.generatorOpts;
+      const targetObj = (target.generatorOpts = target.generatorOpts || {});
+      mergeObject(targetObj, generatorOpts);
+    } else {
+      const val = source[k];
+      if (val !== undefined) target[k] = (val: any);
+    }
+  }
+}
+
+function mergeObject<T: {}>(target: T, source: T) {
+  for (const k of Object.keys(source)) {
+    const val = source[k];
+    if (val !== undefined) target[k] = (val: any);
+  }
+}
+
 /**
  * Load a generic plugin/preset from the given descriptor loaded from the config object.
  */
@@ -238,7 +261,7 @@ const instantiatePlugin = makeWeakCache(
 
     const plugin = Object.assign({}, pluginObj);
     if (plugin.visitor) {
-      plugin.visitor = traverse.explode(clone(plugin.visitor));
+      plugin.visitor = traverse.explode(Object.assign({}, plugin.visitor));
     }
 
     if (plugin.inherits) {

From 8e3e6e0a8838607c5a01ba4232c4d3ff8dee5db0 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Mon, 26 Feb 2018 18:27:06 -0800
Subject: [PATCH 044/140] Require AST output to be opt-in, rather than opt-out.

---
 .../babel-core/src/transformation/index.js    |  2 +-
 packages/babel-core/test/api.js               | 22 ++++++++++++++++++-
 .../test/copied-nodes.js                      |  1 +
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/packages/babel-core/src/transformation/index.js b/packages/babel-core/src/transformation/index.js
index a40b12f42cc0..038ea6d0c6f1 100644
--- a/packages/babel-core/src/transformation/index.js
+++ b/packages/babel-core/src/transformation/index.js
@@ -64,7 +64,7 @@ export function runSync(
   return {
     metadata: file.metadata,
     options: opts,
-    ast: opts.ast !== false ? file.ast : null,
+    ast: opts.ast === true ? file.ast : null,
     code: outputCode === undefined ? null : outputCode,
     map: outputMap === undefined ? null : outputMap,
   };
diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index a38ae5913cce..6a63378083b3 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -34,6 +34,7 @@ describe("parser and generator options", function() {
 
   function newTransform(string) {
     return babel.transform(string, {
+      ast: true,
       parserOpts: {
         parser: recast.parse,
         plugins: ["flow"],
@@ -47,7 +48,10 @@ describe("parser and generator options", function() {
 
   it("options", function() {
     const string = "original;";
-    assert.deepEqual(newTransform(string).ast, babel.transform(string).ast);
+    assert.deepEqual(
+      newTransform(string).ast,
+      babel.transform(string, { ast: true }).ast,
+    );
     assert.equal(newTransform(string).code, string);
   });
 
@@ -57,6 +61,7 @@ describe("parser and generator options", function() {
     assert.deepEqual(
       newTransform(experimental).ast,
       babel.transform(experimental, {
+        ast: true,
         parserOpts: {
           plugins: ["flow"],
         },
@@ -66,6 +71,7 @@ describe("parser and generator options", function() {
 
     function newTransformWithPlugins(string) {
       return babel.transform(string, {
+        ast: true,
         plugins: [__dirname + "/../../babel-plugin-syntax-flow"],
         parserOpts: {
           parser: recast.parse,
@@ -79,6 +85,7 @@ describe("parser and generator options", function() {
     assert.deepEqual(
       newTransformWithPlugins(experimental).ast,
       babel.transform(experimental, {
+        ast: true,
         parserOpts: {
           plugins: ["flow"],
         },
@@ -93,6 +100,7 @@ describe("parser and generator options", function() {
     assert.notEqual(
       newTransform(experimental).ast,
       babel.transform(experimental, {
+        ast: true,
         parserOpts: {
           allowImportExportEverywhere: true,
         },
@@ -401,6 +409,18 @@ describe("api", function() {
     });
   });
 
+  it("ast option true", function() {
+    return transformAsync("foo('bar');", { ast: true }).then(function(result) {
+      assert.ok(result.ast);
+    });
+  });
+
+  it("ast option default", function() {
+    return transformAsync("foo('bar');").then(function(result) {
+      assert.ok(!result.ast);
+    });
+  });
+
   it("auxiliaryComment option", function() {
     return transformAsync("class Foo {}", {
       auxiliaryCommentBefore: "before",
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/copied-nodes.js b/packages/babel-plugin-transform-modules-commonjs/test/copied-nodes.js
index 4bdcaa89531e..f28341da5059 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/copied-nodes.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/copied-nodes.js
@@ -5,6 +5,7 @@ test("Doesn't use the same object for two different nodes in the AST", function(
   const code = 'import Foo from "bar"; Foo; Foo;';
 
   const ast = babel.transform(code, {
+    ast: true,
     plugins: [[require("../"), { loose: true }]],
   }).ast;
 

From 5459c75d649c2610fa25e9e1e1af319febc8fd5c Mon Sep 17 00:00:00 2001
From: Yuta Hiroto <git@about-hiroppy.com>
Date: Tue, 27 Feb 2018 23:45:28 +0900
Subject: [PATCH 045/140] Fix CONTRIBUTING.md (#7441)

---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 80a09cc74e3a..1441f87cae0b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -116,7 +116,7 @@ $ TEST_ONLY=babel-cli make test
 
 ```sh
 # Run tests for the @babel/plugin-transform-classes package.
-$ TEST_ONLY=es2015-class make test
+$ TEST_ONLY=babel-plugin-transform-classes make test
 ```
 
 Use the `TEST_GREP` variable to run a subset of tests by name:

From f0049726253178d7d97c6790f03b35628eee86f4 Mon Sep 17 00:00:00 2001
From: Guy Bedford <guybedford@gmail.com>
Date: Tue, 27 Feb 2018 16:46:24 +0200
Subject: [PATCH 046/140] Ensure babel-preset-env targets input object is not
 mutated (#7438)

---
 packages/babel-preset-env/src/normalize-options.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-preset-env/src/normalize-options.js b/packages/babel-preset-env/src/normalize-options.js
index 9c0b2ed13962..bbcdbd19f732 100644
--- a/packages/babel-preset-env/src/normalize-options.js
+++ b/packages/babel-preset-env/src/normalize-options.js
@@ -169,7 +169,7 @@ export default function normalizeOptions(opts: Options) {
       false,
     ),
     spec: validateBoolOption("loose", opts.spec, false),
-    targets: opts.targets,
+    targets: Object.assign({}, opts.targets),
     useBuiltIns: validateUseBuiltInsOption(opts.useBuiltIns),
   };
 }

From b19b7fd2cf7c45185bd6b22df26d7082bef2cd41 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 27 Feb 2018 17:46:17 -0800
Subject: [PATCH 047/140] Fix PR comments.

---
 packages/babel-core/src/config/index.js | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/packages/babel-core/src/config/index.js b/packages/babel-core/src/config/index.js
index b62fc57fc480..05ac8e7ce97d 100644
--- a/packages/babel-core/src/config/index.js
+++ b/packages/babel-core/src/config/index.js
@@ -107,7 +107,7 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
           if (ignored) return true;
 
           preset.options.forEach(opts => {
-            merge(optionDefaults, opts);
+            mergeOptions(optionDefaults, opts);
           });
         }
       }
@@ -127,7 +127,7 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
     if (ignored) return null;
 
     configChain.options.forEach(opts => {
-      merge(options, opts);
+      mergeOptions(options, opts);
     });
   } catch (e) {
     // There are a few case where thrown errors will try to annotate themselves multiple times, so
@@ -140,7 +140,7 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
   }
 
   const opts: Object = optionDefaults;
-  merge(opts, options);
+  mergeOptions(opts, options);
 
   // Tack the passes onto the object itself so that, if this object is passed back to Babel a second time,
   // it will be in the right structure to not change behavior.
@@ -160,16 +160,19 @@ export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
   };
 }
 
-function merge(target: ValidatedOptions, source: ValidatedOptions): void {
+function mergeOptions(
+  target: ValidatedOptions,
+  source: ValidatedOptions,
+): void {
   for (const k of Object.keys(source)) {
     if (k === "parserOpts" && source.parserOpts) {
       const parserOpts = source.parserOpts;
       const targetObj = (target.parserOpts = target.parserOpts || {});
-      mergeObject(targetObj, parserOpts);
+      mergeDefaultFields(targetObj, parserOpts);
     } else if (k === "generatorOpts" && source.generatorOpts) {
       const generatorOpts = source.generatorOpts;
       const targetObj = (target.generatorOpts = target.generatorOpts || {});
-      mergeObject(targetObj, generatorOpts);
+      mergeDefaultFields(targetObj, generatorOpts);
     } else {
       const val = source[k];
       if (val !== undefined) target[k] = (val: any);
@@ -177,7 +180,7 @@ function merge(target: ValidatedOptions, source: ValidatedOptions): void {
   }
 }
 
-function mergeObject<T: {}>(target: T, source: T) {
+function mergeDefaultFields<T: {}>(target: T, source: T) {
   for (const k of Object.keys(source)) {
     const val = source[k];
     if (val !== undefined) target[k] = (val: any);

From ddd40bf5c7ad8565fc990f26142f85613958a329 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 27 Feb 2018 18:11:13 -0800
Subject: [PATCH 048/140] Rely entirely on sourceType for module vs script
 differentiation. (#7417)

---
 packages/babel-core/test/api.js               |  1 +
 .../src/import-injector.js                    |  2 +-
 .../src/is-module.js                          | 24 +++----------------
 .../src/index.js                              |  1 +
 .../amd/get-module-name-option/options.json   |  1 +
 .../fixtures/amd/module-name/options.json     |  1 +
 .../loose/get-module-name-option/options.json |  1 +
 .../fixtures/loose/module-name/options.json   |  1 +
 .../src/index.js                              |  4 +---
 .../loose/get-module-name-option/options.json |  1 +
 .../fixtures/loose/module-id/options.json     |  1 +
 .../fixtures/loose/module-name/options.json   |  1 +
 .../umd/get-module-name-option/options.json   |  1 +
 .../test/fixtures/umd/module-id/options.json  |  1 +
 .../fixtures/umd/module-name/options.json     |  1 +
 .../test/babel-preset-env.js                  |  4 ++++
 .../test-modules-tranform/options.json        |  1 +
 .../options.json                              |  1 +
 packages/babel-standalone/test/babel.js       |  3 ++-
 19 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index 6a63378083b3..823806fc4195 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -214,6 +214,7 @@ describe("api", function() {
 
     function execTest(passPerPreset) {
       return babel.transform("type Foo = number; let x = (y): Foo => y;", {
+        sourceType: "script",
         passPerPreset: passPerPreset,
         presets: [
           // First preset with our plugin, "before"
diff --git a/packages/babel-helper-module-imports/src/import-injector.js b/packages/babel-helper-module-imports/src/import-injector.js
index 33b46a12cb93..bd1214c54b0f 100644
--- a/packages/babel-helper-module-imports/src/import-injector.js
+++ b/packages/babel-helper-module-imports/src/import-injector.js
@@ -209,7 +209,7 @@ export default class ImportInjector {
     // to a variable.
     let name = nameHint || importName;
 
-    const isMod = isModule(this._programPath, true);
+    const isMod = isModule(this._programPath);
     const isModuleForNode = isMod && importingInterop === "node";
     const isModuleForBabel = isMod && importingInterop === "babel";
 
diff --git a/packages/babel-helper-module-imports/src/is-module.js b/packages/babel-helper-module-imports/src/is-module.js
index 8e20fb2472d4..39cff11148d8 100644
--- a/packages/babel-helper-module-imports/src/is-module.js
+++ b/packages/babel-helper-module-imports/src/is-module.js
@@ -1,11 +1,7 @@
 /**
- * A small utility to check if a file qualifies as a module, based on a few
- * possible conditions.
+ * A small utility to check if a file qualifies as a module.
  */
-export default function isModule(
-  path: NodePath,
-  requireUnambiguous: boolean = false,
-) {
+export default function isModule(path: NodePath) {
   const { sourceType } = path.node;
   if (sourceType !== "module" && sourceType !== "script") {
     throw path.buildCodeFrameError(
@@ -13,19 +9,5 @@ export default function isModule(
     );
   }
 
-  const filename = path.hub.file.opts.filename;
-  if (/\.mjs$/.test(filename)) {
-    requireUnambiguous = false;
-  }
-
-  return (
-    path.node.sourceType === "module" &&
-    (!requireUnambiguous || isUnambiguousModule(path))
-  );
-}
-
-// This approach is not ideal. It is here to preserve compatibility for now,
-// but really this should just return true or be deleted.
-function isUnambiguousModule(path) {
-  return path.get("body").some(p => p.isModuleDeclaration());
+  return path.node.sourceType === "module";
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 40652a0f8c3d..179277ad302d 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -330,6 +330,7 @@ function run(task) {
     const newOpts = merge(
       {
         filename: self.loc,
+        sourceType: "unambiguous",
       },
       opts,
     );
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/get-module-name-option/options.json b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/get-module-name-option/options.json
index 6d0cdb5a6f0c..ef11b00e2ba2 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/get-module-name-option/options.json
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/get-module-name-option/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "moduleId": "my custom module name"
 }
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/options.json b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/options.json
index be49a87d0b82..5b0398abbe6f 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/options.json
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/options.json
@@ -1,3 +1,4 @@
 {
+  "sourceType": "module",
   "moduleIds": true
 }
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/get-module-name-option/options.json b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/get-module-name-option/options.json
index 0b446c533467..be939b1999ea 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/get-module-name-option/options.json
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/get-module-name-option/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "moduleId": "my custom module name",
   "plugins": [
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/options.json b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/options.json
index 7f54a2b7f9fe..c72a7c5942cc 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/options.json
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "plugins": [
     "external-helpers",
diff --git a/packages/babel-plugin-transform-modules-commonjs/src/index.js b/packages/babel-plugin-transform-modules-commonjs/src/index.js
index 30adf43142be..6ed08a8abc47 100644
--- a/packages/babel-plugin-transform-modules-commonjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-commonjs/src/index.js
@@ -98,9 +98,7 @@ export default function(api, options) {
     visitor: {
       Program: {
         exit(path) {
-          // For now this requires unambiguous rather that just sourceType
-          // because Babel currently parses all files as sourceType:module.
-          if (!isModule(path, true /* requireUnambiguous */)) return;
+          if (!isModule(path)) return;
 
           // Rename the bindings auto-injected into the scope so there is no
           // risk of conflict between the bindings.
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/get-module-name-option/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/get-module-name-option/options.json
index fd01b12b80a5..b053905b03a9 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/get-module-name-option/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/get-module-name-option/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "moduleId": "my custom module name",
   "plugins": [
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-id/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-id/options.json
index bf41ea5a3fbe..895e18b86360 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-id/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-id/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleId": "MyLib",
   "plugins": [
     "external-helpers",
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/options.json
index 050e3555fd00..ab68188b076c 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "plugins": [
     "external-helpers",
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/get-module-name-option/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/get-module-name-option/options.json
index 6d0cdb5a6f0c..ef11b00e2ba2 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/get-module-name-option/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/get-module-name-option/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "moduleIds": true,
   "moduleId": "my custom module name"
 }
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-id/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-id/options.json
index 921ceb966006..48a14ad305b9 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-id/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-id/options.json
@@ -1,3 +1,4 @@
 {
+  "sourceType": "module",
   "moduleId": "MyLib"
 }
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/options.json b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/options.json
index be49a87d0b82..5b0398abbe6f 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/options.json
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/options.json
@@ -1,3 +1,4 @@
 {
+  "sourceType": "module",
   "moduleIds": true
 }
diff --git a/packages/babel-preset-env-standalone/test/babel-preset-env.js b/packages/babel-preset-env-standalone/test/babel-preset-env.js
index c61a67a93a51..64129917b0b2 100644
--- a/packages/babel-preset-env-standalone/test/babel-preset-env.js
+++ b/packages/babel-preset-env-standalone/test/babel-preset-env.js
@@ -7,6 +7,7 @@ require("../babel-preset-env");
 describe("babel-preset-env-standalone", () => {
   it("works w/o targets", () => {
     const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
       presets: ["env"],
     }).code;
     assert.equal(output, "var a = 1;");
@@ -14,6 +15,7 @@ describe("babel-preset-env-standalone", () => {
 
   it("doesn't transpile `const` with chrome 60", () => {
     const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
       presets: [
         [
           "env",
@@ -30,6 +32,7 @@ describe("babel-preset-env-standalone", () => {
 
   it("transpiles `const` with chrome 60 and preset-es2015", () => {
     const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
       presets: [
         [
           "env",
@@ -47,6 +50,7 @@ describe("babel-preset-env-standalone", () => {
 
   it("uses transform-new-targets plugin", () => {
     const output = Babel.transform("function Foo() {new.target}", {
+      sourceType: "script",
       presets: ["env"],
     }).code;
     assert.equal(
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json
index 18d3b5de7ffb..6edc64b60435 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "presets": [
     ["../../../../lib", {
       "useBuiltIns": "usage"
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/options.json b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/options.json
index d1b9e8748013..c67678705d2a 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/options.json
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "presets": [
     ["../../../../lib", {
       "shippedProposals": true,
diff --git a/packages/babel-standalone/test/babel.js b/packages/babel-standalone/test/babel.js
index 388adb7f0aef..c7396a4226d1 100644
--- a/packages/babel-standalone/test/babel.js
+++ b/packages/babel-standalone/test/babel.js
@@ -16,6 +16,7 @@ describe("@babel/standalone", () => {
   });
   it("handles the es2015-loose preset", () => {
     const output = Babel.transform("class A {}", {
+      sourceType: "script",
       presets: ["es2015-loose"],
     }).code;
     assert.equal(output, "var A = function A() {};");
@@ -52,7 +53,7 @@ describe("@babel/standalone", () => {
           },
         },
       ],
-      sourceType: "module",
+      sourceType: "script",
     };
     const output = Babel.transformFromAst(ast, "42", { presets: ["es2015"] })
       .code;

From 148e6dfc261e1bf1a2b50f5ae3e470c9bab1644e Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Wed, 15 Nov 2017 11:38:53 -0800
Subject: [PATCH 049/140] Centralize the plugin/configuration API object.

---
 packages/babel-core/src/config/caching.js     |  2 +-
 .../src/config/files/configuration.js         |  8 ++------
 .../src/config/helpers/config-api.js          | 19 +++++++++++++++++++
 packages/babel-core/src/config/index.js       |  7 ++-----
 4 files changed, 24 insertions(+), 12 deletions(-)
 create mode 100644 packages/babel-core/src/config/helpers/config-api.js

diff --git a/packages/babel-core/src/config/caching.js b/packages/babel-core/src/config/caching.js
index b9703560b54e..7c3a28bda215 100644
--- a/packages/babel-core/src/config/caching.js
+++ b/packages/babel-core/src/config/caching.js
@@ -1,6 +1,6 @@
 // @flow
 
-type SimpleCacheConfigurator = SimpleCacheConfiguratorFn &
+export type SimpleCacheConfigurator = SimpleCacheConfiguratorFn &
   SimpleCacheConfiguratorObj;
 
 type SimpleCacheConfiguratorFn = {
diff --git a/packages/babel-core/src/config/files/configuration.js b/packages/babel-core/src/config/files/configuration.js
index 73786b89fb79..c1a55cc59853 100644
--- a/packages/babel-core/src/config/files/configuration.js
+++ b/packages/babel-core/src/config/files/configuration.js
@@ -6,6 +6,7 @@ import fs from "fs";
 import json5 from "json5";
 import resolve from "resolve";
 import { makeStrongCache, type CacheConfigurator } from "../caching";
+import makeAPI from "../helpers/config-api";
 
 const debug = buildDebug("babel:config:loading:files:configuration");
 
@@ -150,12 +151,7 @@ const readConfigJS = makeStrongCache(
     }
 
     if (typeof options === "function") {
-      options = options({
-        cache: cache.simple(),
-        // Expose ".env()" so people can easily get the same env that we expose using the "env" key.
-        env: () => cache.using(data => data.envName),
-        async: () => false,
-      });
+      options = options(makeAPI(cache));
 
       if (!cache.configured()) throwConfigError();
     }
diff --git a/packages/babel-core/src/config/helpers/config-api.js b/packages/babel-core/src/config/helpers/config-api.js
new file mode 100644
index 000000000000..a579cf28fae6
--- /dev/null
+++ b/packages/babel-core/src/config/helpers/config-api.js
@@ -0,0 +1,19 @@
+// @flow
+import type { CacheConfigurator, SimpleCacheConfigurator } from "../caching";
+
+export type PluginAPI = {
+  cache: SimpleCacheConfigurator,
+  env: () => string,
+  async: () => boolean,
+};
+
+export default function makeAPI(
+  cache: CacheConfigurator<{ envName: string }>,
+): PluginAPI {
+  return {
+    cache: cache.simple(),
+    // Expose ".env()" so people can easily get the same env that we expose using the "env" key.
+    env: () => cache.using(data => data.envName),
+    async: () => false,
+  };
+}
diff --git a/packages/babel-core/src/config/index.js b/packages/babel-core/src/config/index.js
index 05ac8e7ce97d..5ee1c048181a 100644
--- a/packages/babel-core/src/config/index.js
+++ b/packages/babel-core/src/config/index.js
@@ -16,6 +16,7 @@ import { makeWeakCache, type CacheConfigurator } from "./caching";
 import { getEnv } from "./helpers/environment";
 import { validate, type ValidatedOptions } from "./validation/options";
 import { validatePluginObject } from "./validation/plugins";
+import makeAPI from "./helpers/config-api";
 
 type LoadedDescriptor = {
   value: {},
@@ -202,11 +203,7 @@ const loadDescriptor = makeWeakCache(
 
     let item = value;
     if (typeof value === "function") {
-      const api = Object.assign(Object.create(context), {
-        cache: cache.simple(),
-        env: () => cache.using(data => data.envName),
-        async: () => false,
-      });
+      const api = Object.assign(Object.create(context), makeAPI(cache));
 
       try {
         item = value(api, options, dirname);

From 2c3eb3096f596acfc07c236860fac0eec90f9c94 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Wed, 15 Nov 2017 12:39:09 -0800
Subject: [PATCH 050/140] Expand the '.env()' API call with more flexibility.

---
 .../src/config/helpers/config-api.js          | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/packages/babel-core/src/config/helpers/config-api.js b/packages/babel-core/src/config/helpers/config-api.js
index a579cf28fae6..933c6050167d 100644
--- a/packages/babel-core/src/config/helpers/config-api.js
+++ b/packages/babel-core/src/config/helpers/config-api.js
@@ -1,19 +1,40 @@
 // @flow
 import type { CacheConfigurator, SimpleCacheConfigurator } from "../caching";
 
+type EnvFunction = {
+  (): string,
+  <T>((string) => T): T,
+  (string): boolean,
+  (Array<string>): boolean,
+};
+
 export type PluginAPI = {
   cache: SimpleCacheConfigurator,
-  env: () => string,
+  env: EnvFunction,
   async: () => boolean,
 };
 
 export default function makeAPI(
   cache: CacheConfigurator<{ envName: string }>,
 ): PluginAPI {
+  const env: any = value =>
+    cache.using(data => {
+      if (typeof value === "undefined") return data.envName;
+      if (typeof value === "function") return value(data.envName);
+      if (!Array.isArray(value)) value = [value];
+
+      return value.some(entry => {
+        if (typeof entry !== "string") {
+          throw new Error("Unexpected non-string value");
+        }
+        return entry === data.envName;
+      });
+    });
+
   return {
     cache: cache.simple(),
     // Expose ".env()" so people can easily get the same env that we expose using the "env" key.
-    env: () => cache.using(data => data.envName),
+    env,
     async: () => false,
   };
 }

From 1a454f666c51569ed4476c06b8471dad10b31b09 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Wed, 28 Feb 2018 16:58:33 +0100
Subject: [PATCH 051/140] Install peerDependencies and remove unused async
 dependency (#7453)

---
 package.json |  6 +++---
 yarn.lock    | 10 +++++-----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/package.json b/package.json
index d5d25803f70e..97ada04d187a 100644
--- a/package.json
+++ b/package.json
@@ -16,18 +16,18 @@
     "@babel/preset-flow": "7.0.0-beta.40",
     "@babel/preset-stage-0": "7.0.0-beta.40",
     "@babel/register": "7.0.0-beta.40",
-    "async": "^1.5.0",
     "babel-eslint": "^8.0.1",
     "babel-loader": "8.0.0-beta.0",
     "babel-plugin-istanbul": "^4.1.5",
-    "babel-plugin-transform-charcodes": "0.0.10",
+    "babel-plugin-transform-charcodes": "^0.1.0",
     "babylon": "7.0.0-beta.40",
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",
     "chalk": "^2.0.0",
-    "charcodes": "0.1.0",
+    "charcodes": "^0.1.0",
     "derequire": "^2.0.2",
+    "enhanced-resolve": "^3.0.0",
     "eslint": "^4.5.0",
     "eslint-config-babel": "^7.0.2",
     "eslint-plugin-flowtype": "^2.20.0",
diff --git a/yarn.lock b/yarn.lock
index 7b7642dea7d3..8e9ab0ec36c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1207,9 +1207,9 @@ babel-plugin-istanbul@^4.1.5:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
-babel-plugin-transform-charcodes@0.0.10:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-charcodes/-/babel-plugin-transform-charcodes-0.0.10.tgz#cdb76363e1e91ac105f3f94b168f41cf27983e80"
+babel-plugin-transform-charcodes@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-charcodes/-/babel-plugin-transform-charcodes-0.1.0.tgz#c71b301019c90615b940faf0f15f275ec5c81a3d"
   dependencies:
     "@babel/traverse" "^7.0.0-beta.31"
     babylon "^7.0.0-beta.31"
@@ -1671,7 +1671,7 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-charcodes@0.1.0:
+charcodes@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/charcodes/-/charcodes-0.1.0.tgz#61f8c244fc7f94f186fe74f31078901a3ed7928e"
 
@@ -2544,7 +2544,7 @@ end-of-stream@~0.1.5:
   dependencies:
     once "~1.3.0"
 
-enhanced-resolve@^3.4.0:
+enhanced-resolve@^3.0.0, enhanced-resolve@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
   dependencies:

From 586ba35950b0b632a0a498c035e3f7731033ddd5 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Wed, 28 Feb 2018 16:58:47 +0100
Subject: [PATCH 052/140] Update to circleci v2 (#7451)

---
 .circleci/config.yml | 61 ++++++++++++++++++++++++++++++++++++++++++++
 circle.yml           | 30 ----------------------
 2 files changed, 61 insertions(+), 30 deletions(-)
 create mode 100644 .circleci/config.yml
 delete mode 100644 circle.yml

diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000000..dad915520fb9
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,61 @@
+version: 2
+aliases:
+  - &restore-node-modules-cache
+    keys:
+      - v1-yarn-deps-{{ checksum "yarn.lock" }}
+
+  - &restore-yarn-cache
+    keys:
+      - v1-yarn-cache
+
+  - &save-node-modules-cache
+    paths:
+      - node_modules
+    key: v1-yarn-deps-{{ checksum "yarn.lock" }}
+
+  - &save-yarn-cache
+    paths:
+      - ~/.yarn-cache
+    key: v1-yarn-cache
+
+  - &yarn-install
+    run: |
+      sudo npm i -g yarn@^1.5.1
+      yarn --version
+
+  - &artifact_babel
+    path: ~/babel/packages/babel-standalone/babel.js
+
+  - &artifact_babel_min
+    path: ~/babel/packages/babel-standalone/babel.min.js
+
+  - &artifact_env
+    path: ~/babel/packages/babel-preset-env-standalone/babel-preset-env.js
+
+  - &artifact_env_min
+    path: ~/babel/packages/babel-preset-env-standalone/babel-preset-env.min.js
+
+jobs:
+  build:
+    working_directory: ~/babel
+    docker:
+      - image: circleci/node:8
+    steps:
+      - checkout
+      - restore-cache: *restore-yarn-cache
+      - restore-cache: *restore-node-modules-cache
+      - *yarn-install
+      - run: make test-ci-coverage
+      # Builds babel-standalone with the regular Babel config
+      - run: make build
+      # test-ci-coverage doesn't test babel-standalone, as trying to gather coverage
+      # data for a JS file that's several megabytes large is bound to fail. Here,
+      # we just run the babel-standalone test separately.
+      - run: ./node_modules/mocha/bin/_mocha packages/babel-standalone/test/ --opts test/mocha.opts
+      - run: ./node_modules/mocha/bin/_mocha packages/babel-preset-env-standalone/test/ --opts test/mocha.opts
+      - store_artifacts: *artifact_babel
+      - store_artifacts: *artifact_babel_min
+      - store_artifacts: *artifact_env
+      - store_artifacts: *artifact_env_min
+      - save_cache: *save-node-modules-cache
+      - save_cache: *save-yarn-cache
\ No newline at end of file
diff --git a/circle.yml b/circle.yml
deleted file mode 100644
index 4028adfc42ab..000000000000
--- a/circle.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-general:
-  artifacts:
-    - "packages/babel-standalone/babel.js"
-    - "packages/babel-standalone/babel.min.js"
-    - "packages/babel-preset-env-standalone/babel-preset-env.js"
-    - "packages/babel-preset-env-standalone/babel-preset-env.min.js"
-
-machine:
-  node:
-    version:
-      8
-
-dependencies:
-  pre:
-    - curl -o- -L https://yarnpkg.com/install.sh | bash
-  cache_directories:
-    - ~/.yarn-cache
-  override:
-    - yarn
-
-test:
-  override:
-    - make test-ci-coverage
-    # Builds babel-standalone with the regular Babel config
-    - make build
-    # test-ci-coverage doesn't test babel-standalone, as trying to gather coverage
-    # data for a JS file that's several megabytes large is bound to fail. Here,
-    # we just run the babel-standalone test separately.
-    - ./node_modules/mocha/bin/_mocha packages/babel-standalone/test/ --opts test/mocha.opts
-    - ./node_modules/mocha/bin/_mocha packages/babel-preset-env-standalone/test/ --opts test/mocha.opts

From 007f8d19b3c4dba7a63f646c8d1c8f9574ade1a1 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Wed, 28 Feb 2018 16:59:28 +0100
Subject: [PATCH 053/140] Remove unused dependencies (#7454)

Replace util.promisify with node internal version
---
 package.json                                   |  2 --
 .../tests/test262/run_babylon_test262_utils.js |  2 +-
 yarn.lock                                      | 18 ++----------------
 3 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/package.json b/package.json
index 97ada04d187a..2d8e75a2493b 100644
--- a/package.json
+++ b/package.json
@@ -58,10 +58,8 @@
     "rollup-plugin-babel": "^4.0.0-beta.0",
     "rollup-plugin-node-resolve": "^3.0.2",
     "rollup-stream": "^1.24.1",
-    "semver": "^5.0.0",
     "through2": "^2.0.0",
     "uglify-js": "^2.4.16",
-    "util.promisify": "^1.0.0",
     "vinyl-buffer": "^1.0.1",
     "vinyl-source-stream": "^2.0.0",
     "webpack": "^3.4.1",
diff --git a/scripts/tests/test262/run_babylon_test262_utils.js b/scripts/tests/test262/run_babylon_test262_utils.js
index 3b3012531274..e34aaa82d1ad 100644
--- a/scripts/tests/test262/run_babylon_test262_utils.js
+++ b/scripts/tests/test262/run_babylon_test262_utils.js
@@ -2,7 +2,7 @@
 
 const fs = require("graceful-fs");
 const path = require("path");
-const promisify = require("util.promisify");
+const promisify = require("util").promisify;
 const pfs = {
   readFile: promisify(fs.readFile),
   writeFile: promisify(fs.writeFile),
diff --git a/yarn.lock b/yarn.lock
index 8e9ab0ec36c3..c060986b8af3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2569,7 +2569,7 @@ error-ex@^1.2.0, error-ex@^1.3.1:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.4.3, es-abstract@^1.5.1:
+es-abstract@^1.4.3:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
   dependencies:
@@ -5266,13 +5266,6 @@ object.defaults@^1.1.0:
     for-own "^1.0.0"
     isobject "^3.0.0"
 
-object.getownpropertydescriptors@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
-  dependencies:
-    define-properties "^1.1.2"
-    es-abstract "^1.5.1"
-
 object.map@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object.map/-/object.map-1.0.1.tgz#cf83e59dc8fcc0ad5f4250e1f78b3b81bd801d37"
@@ -6118,7 +6111,7 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0,
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.0, semver@^5.0.1, semver@^5.1.0, semver@^5.3.0:
+"semver@2 || 3 || 4 || 5", semver@^5.0.1, semver@^5.1.0, semver@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
@@ -6898,13 +6891,6 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-util.promisify@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
-  dependencies:
-    define-properties "^1.1.2"
-    object.getownpropertydescriptors "^2.0.3"
-
 util@0.10.3, util@^0.10.3, util@~0.10.1:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"

From fdfbd9a6f787f13f1674e9b6836b94413e632470 Mon Sep 17 00:00:00 2001
From: Orta <orta.therox+github@gmail.com>
Date: Thu, 1 Mar 2018 09:46:54 -0500
Subject: [PATCH 054/140] Update README for Babel TypeScript Plugin (#7443)

---
 .../babel-plugin-transform-typescript/README.md | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/packages/babel-plugin-transform-typescript/README.md b/packages/babel-plugin-transform-typescript/README.md
index fdff26cdec3d..27d14ee80f9e 100644
--- a/packages/babel-plugin-transform-typescript/README.md
+++ b/packages/babel-plugin-transform-typescript/README.md
@@ -4,8 +4,17 @@
 
 Does not type-check its input. For that, you will need to install and set up TypeScript.
 
-Does not support `namespace`s or `const enum`s because those require type information to transpile.
-Also does not support `export =` and `import =`, because those cannot be transpiled to ES.next.
+## Caveats
+
+* Does not support [`namespace`][namespace]s.
+* Does not support [`const enum`][const_enum]s because those require type information to transpile.
+* Does not support [`export =`][exin] and [`import =`][exin], because those cannot be transpiled to ES.next.
+
+## Workarounds
+
+* `namespace`: Migrate to using the `module { }` syntax instead.
+* `const enum`: Remove the `const`, which makes it available at runtime.
+* `export =` \ `import =`: Convert to using `export default` and `export const`.
 
 ## Example
 
@@ -52,3 +61,7 @@ require("@babel/core").transform("code", {
   plugins: ["@babel/plugin-transform-typescript"]
 });
 ```
+
+[const_enum]: https://www.typescriptlang.org/docs/handbook/enums.html#const-enums
+[namespace]: https://www.typescriptlang.org/docs/handbook/namespaces.html
+[exin]: https://www.typescriptlang.org/docs/handbook/modules.html#export--and-import--require

From 53208d69989eee8f2bd5a65b127a5f576b460789 Mon Sep 17 00:00:00 2001
From: Orta <orta.therox+github@gmail.com>
Date: Fri, 2 Mar 2018 23:39:18 -0500
Subject: [PATCH 055/140] Another iteration on the TS plugin readme (#7469)

---
 .../babel-plugin-transform-typescript/README.md    | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/packages/babel-plugin-transform-typescript/README.md b/packages/babel-plugin-transform-typescript/README.md
index 27d14ee80f9e..9286ac31e852 100644
--- a/packages/babel-plugin-transform-typescript/README.md
+++ b/packages/babel-plugin-transform-typescript/README.md
@@ -6,15 +6,10 @@ Does not type-check its input. For that, you will need to install and set up Typ
 
 ## Caveats
 
-* Does not support [`namespace`][namespace]s.
-* Does not support [`const enum`][const_enum]s because those require type information to transpile.
-* Does not support [`export =`][exin] and [`import =`][exin], because those cannot be transpiled to ES.next.
-
-## Workarounds
-
-* `namespace`: Migrate to using the `module { }` syntax instead.
-* `const enum`: Remove the `const`, which makes it available at runtime.
-* `export =` \ `import =`: Convert to using `export default` and `export const`.
+* Does not support [`namespace`][namespace]s. **Workaround**: Move to using [file exports][fm], or migrate to using the `module { }` syntax instead.
+* Does not support [`const enum`][const_enum]s because those require type information to compile.
+**Workaround**: Remove the `const`, which makes it available at runtime.
+* Does not support [`export =`][exin] and [`import =`][exin], because those cannot be compile to ES.next. **Workaround**: Convert to using `export default` and `export const`, and `import x, {y} from "z"`.
 
 ## Example
 
@@ -65,3 +60,4 @@ require("@babel/core").transform("code", {
 [const_enum]: https://www.typescriptlang.org/docs/handbook/enums.html#const-enums
 [namespace]: https://www.typescriptlang.org/docs/handbook/namespaces.html
 [exin]: https://www.typescriptlang.org/docs/handbook/modules.html#export--and-import--require
+[fm]: https://github.com/Microsoft/dtslint/blob/master/docs/no-single-declare-module.md

From 3e95830646298f6c4c23bb9b4394f478fd932a3b Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Sat, 3 Mar 2018 10:58:19 +0100
Subject: [PATCH 056/140] Migrate to jest (#7455)

---
 .babelrc.js                                   |   21 +-
 .circleci/config.yml                          |    4 +-
 .eslintrc                                     |    2 +-
 .travis.yml                                   |    3 +
 Makefile                                      |    6 +-
 package.json                                  |   52 +-
 packages/babel-cli/test/index.js              |   16 +-
 packages/babel-code-frame/src/index.js        |   14 +-
 packages/babel-core/test/api.js               |   13 +-
 packages/babel-core/test/config-chain.js      |   13 +
 packages/babel-core/test/resolution.js        |    5 +-
 .../package.json                              |    1 +
 .../src/index.js                              |   27 +-
 .../babel-preset-env-standalone/package.json  |    3 +-
 .../test/babel-preset-env.js                  |  109 +-
 .../test/targets-parser.spec.js               |    2 +-
 packages/babel-register/test/cache.js         |   18 +-
 packages/babel-register/test/index.js         |   31 +-
 packages/babel-standalone/test/babel.js       |  270 ++-
 packages/babel-traverse/test/replacement.js   |   11 +-
 packages/babel-types/test/cloning.js          |    2 +-
 packages/babel-types/test/converters.js       |  118 +-
 packages/babel-types/test/validators.js       |   71 +-
 scripts/_get-test-directories.sh              |   24 -
 scripts/test-cov.sh                           |   10 +-
 scripts/test.sh                               |   10 +-
 test/mocha.opts                               |    1 -
 test/testSetupFile.js                         |    1 +
 yarn.lock                                     | 2120 +++++++++++------
 29 files changed, 1853 insertions(+), 1125 deletions(-)
 delete mode 100755 scripts/_get-test-directories.sh
 delete mode 100644 test/mocha.opts
 create mode 100644 test/testSetupFile.js

diff --git a/.babelrc.js b/.babelrc.js
index d09ac00ebe35..a91205ee4a83 100644
--- a/.babelrc.js
+++ b/.babelrc.js
@@ -1,9 +1,20 @@
 "use strict";
 
-let envOpts = {
+const env = process.env.BABEL_ENV || process.env.NODE_ENV;
+const envOpts = {
   loose: true,
 };
 
+switch(env) {
+  case "development":
+    envOpts.debug = true;
+    // fall-through
+  case "test":
+    envOpts.targets = {
+      node: "current"
+  };
+}
+
 const config = {
   comments: false,
   presets: [["@babel/env", envOpts]],
@@ -27,16 +38,10 @@ const config = {
   ],
 };
 
+// we need to do this as long as we do not test everything from source
 if (process.env.BABEL_ENV === "cov") {
   config.auxiliaryCommentBefore = "istanbul ignore next";
   config.plugins.push("babel-plugin-istanbul");
 }
 
-if (process.env.BABEL_ENV === "development") {
-  envOpts.targets = {
-    node: "current",
-  };
-  envOpts.debug = true;
-}
-
 module.exports = config;
diff --git a/.circleci/config.yml b/.circleci/config.yml
index dad915520fb9..1ba000f3f950 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -51,8 +51,8 @@ jobs:
       # test-ci-coverage doesn't test babel-standalone, as trying to gather coverage
       # data for a JS file that's several megabytes large is bound to fail. Here,
       # we just run the babel-standalone test separately.
-      - run: ./node_modules/mocha/bin/_mocha packages/babel-standalone/test/ --opts test/mocha.opts
-      - run: ./node_modules/mocha/bin/_mocha packages/babel-preset-env-standalone/test/ --opts test/mocha.opts
+      - run: ./node_modules/.bin/jest packages/babel-standalone/test/
+      - run: ./node_modules/.bin/jest packages/babel-preset-env-standalone/test/
       - store_artifacts: *artifact_babel
       - store_artifacts: *artifact_babel_min
       - store_artifacts: *artifact_env
diff --git a/.eslintrc b/.eslintrc
index 38da02aafebb..90076de5173d 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -28,7 +28,7 @@
         "test/**/*.js"
       ],
       "env": {
-        "mocha": true
+        "jest": true
       }
     }
   ]
diff --git a/.travis.yml b/.travis.yml
index 4f25f7126c45..229595728a26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ cache:
   directories:
   - node_modules
 node_js:
+  - '9'
   - '8'
   - '6'
   - '4'
@@ -19,6 +20,8 @@ env:
 before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
 
+install: yarn --ignore-engines
+
 before_script:
   - 'if [ "$JOB" = "babylon-flow-tests" ]; then make bootstrap-flow; fi'
   - 'if [ "$JOB" = "babylon-test262-tests" ]; then make bootstrap-test262; fi'
diff --git a/Makefile b/Makefile
index a563a059a119..306391272ba1 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,7 @@ test-ci:
 test-ci-coverage: SHELL:=/bin/bash
 test-ci-coverage:
 	BABEL_ENV=cov make bootstrap
-	./scripts/test-cov.sh
+	TEST_TYPE=cov ./scripts/test-cov.sh
 	bash <(curl -s https://codecov.io/bash) -f coverage/coverage-final.json
 
 bootstrap-flow:
@@ -130,8 +130,8 @@ publish:
 
 bootstrap:
 	make clean-all
-	yarn
-	./node_modules/.bin/lerna bootstrap
+	yarn --ignore-engines
+	./node_modules/.bin/lerna bootstrap -- --ignore-engines
 	make build
 	cd packages/babel-runtime; \
 	node scripts/build-dist.js
diff --git a/package.json b/package.json
index 2d8e75a2493b..0ae16b0475d6 100644
--- a/package.json
+++ b/package.json
@@ -16,9 +16,10 @@
     "@babel/preset-flow": "7.0.0-beta.40",
     "@babel/preset-stage-0": "7.0.0-beta.40",
     "@babel/register": "7.0.0-beta.40",
+    "babel-core": "^7.0.0-0",
     "babel-eslint": "^8.0.1",
+    "babel-jest": "^22.4.1",
     "babel-loader": "8.0.0-beta.0",
-    "babel-plugin-istanbul": "^4.1.5",
     "babel-plugin-transform-charcodes": "^0.1.0",
     "babylon": "7.0.0-beta.40",
     "browserify": "^13.1.1",
@@ -44,13 +45,12 @@
     "gulp-util": "^3.0.7",
     "gulp-watch": "^4.3.5",
     "husky": "^0.14.3",
+    "jest": "^22.4.2",
     "lerna": "2.0.0",
     "lerna-changelog": "^0.5.0",
     "lint-staged": "^6.0.1",
     "lodash": "^4.2.0",
     "merge-stream": "^1.0.1",
-    "mocha": "^3.0.0",
-    "nyc": "^11.0.3",
     "output-file-sync": "^2.0.0",
     "prettier": "1.10.2",
     "pump": "^1.0.2",
@@ -71,20 +71,44 @@
     "npm": ">= 2.x <= 5.x",
     "yarn": ">=0.27.5 || >=1.0.0-20170811"
   },
-  "nyc": {
-    "all": true,
-    "exclude": [
-      "scripts/*.js",
-      "packages/*/test/**",
-      "packages/babel-standalone/**",
-      "codemods/*/test/**"
-    ],
-    "sourceMap": false,
-    "instrument": false
-  },
   "lint-staged": {
     "*.js": [
       "eslint --format=codeframe --rulesdir='./scripts/eslint_rules'"
     ]
+  },
+  "jest": {
+    "collectCoverageFrom": [
+      "packages/*/src/**/*.js",
+      "codemods/*/src/**/*.js"
+    ],
+    "testRegex": "./(packages|codemods)/[^/]+/test/.+\\.js$",
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      "/test/fixtures/",
+      "/test/debug-fixtures/",
+      "/babylon/test/expressions/",
+      "/test/tmp/",
+      "/test/__data__/",
+      "/test/helpers/",
+      "<rootDir>/test/warning.js",
+      "<rootDir>/build/",
+      "_browser.js"
+    ],
+    "testEnvironment": "node",
+    "setupTestFrameworkScriptFile": "<rootDir>/test/testSetupFile.js",
+    "transformIgnorePatterns": [
+      "/node_modules/",
+      "/test/fixtures/",
+      "/test/tmp/",
+      "/test/__data__/",
+      "/lib/"
+    ],
+    "modulePaths": [
+      "<rootDir>/packages/"
+    ],
+    "modulePathIgnorePatterns": [
+      "/test/fixtures/",
+      "<rootDir>/build/"
+    ]
   }
 }
diff --git a/packages/babel-cli/test/index.js b/packages/babel-cli/test/index.js
index 83142accb569..7fe80bc7fece 100644
--- a/packages/babel-cli/test/index.js
+++ b/packages/babel-cli/test/index.js
@@ -122,7 +122,13 @@ const buildTest = function(binName, testName, opts) {
   const binLoc = path.join(__dirname, "../lib", binName);
 
   return function(callback) {
-    clear();
+    const dir = process.cwd();
+
+    process.chdir(__dirname);
+    if (fs.existsSync(tmpLoc)) rimraf.sync(tmpLoc);
+    fs.mkdirSync(tmpLoc);
+    process.chdir(tmpLoc);
+
     saveInFiles(opts.inFiles);
 
     let args = [binLoc];
@@ -160,6 +166,7 @@ const buildTest = function(binName, testName, opts) {
           args.map(arg => `"${arg}"`).join(" ") + ": " + err.message;
       }
 
+      process.chdir(dir);
       callback(err);
     });
 
@@ -170,13 +177,6 @@ const buildTest = function(binName, testName, opts) {
   };
 };
 
-const clear = function() {
-  process.chdir(__dirname);
-  if (fs.existsSync(tmpLoc)) rimraf.sync(tmpLoc);
-  fs.mkdirSync(tmpLoc);
-  process.chdir(tmpLoc);
-};
-
 fs.readdirSync(fixtureLoc).forEach(function(binName) {
   if (binName[0] === ".") return;
 
diff --git a/packages/babel-code-frame/src/index.js b/packages/babel-code-frame/src/index.js
index f47ac52f2a88..70237db65192 100644
--- a/packages/babel-code-frame/src/index.js
+++ b/packages/babel-code-frame/src/index.js
@@ -180,15 +180,17 @@ export default function(
   if (!deprecationWarningShown) {
     deprecationWarningShown = true;
 
-    const deprecationError = new Error(
-      "Passing lineNumber and colNumber is deprecated to @babel/code-frame. Please use `codeFrameColumns`.",
-    );
-    deprecationError.name = "DeprecationWarning";
+    const message =
+      "Passing lineNumber and colNumber is deprecated to @babel/code-frame. Please use `codeFrameColumns`.";
 
     if (process.emitWarning) {
-      process.emitWarning(deprecationError);
+      // A string is directly supplied to emitWarning, because when supplying an
+      // Error object node throws in the tests because of different contexts
+      process.emitWarning(message, "DeprecationWarning");
     } else {
-      console.warn(deprecationError);
+      const deprecationError = new Error(message);
+      deprecationError.name = "DeprecationWarning";
+      console.warn(new Error(message));
     }
   }
 
diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index 823806fc4195..c1be9ae30c4c 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -299,6 +299,9 @@ describe("api", function() {
       return { plugins: [pushPlugin(str)] };
     }
 
+    const oldEnv = process.env.BABEL_ENV;
+    process.env.BABEL_ENV = "development";
+
     const result = babel.transform("", {
       filename: path.join(
         __dirname,
@@ -316,6 +319,12 @@ describe("api", function() {
       },
     });
 
+    if (oldEnv === undefined) {
+      delete process.env.BABEL_ENV;
+    } else {
+      process.env.BABEL_ENV = oldEnv;
+    }
+
     assert.equal(
       result.code,
       [
@@ -535,14 +544,14 @@ describe("api", function() {
     const oldBabelEnv = process.env.BABEL_ENV;
     const oldNodeEnv = process.env.NODE_ENV;
 
-    setup(function() {
+    beforeEach(function() {
       // Tests need to run with the default and specific values for these. They
       // need to be cleared for each test.
       delete process.env.BABEL_ENV;
       delete process.env.NODE_ENV;
     });
 
-    suiteTeardown(function() {
+    afterAll(function() {
       process.env.BABEL_ENV = oldBabelEnv;
       process.env.NODE_ENV = oldNodeEnv;
     });
diff --git a/packages/babel-core/test/config-chain.js b/packages/babel-core/test/config-chain.js
index f40ae9989b59..33eaf7532b6d 100644
--- a/packages/babel-core/test/config-chain.js
+++ b/packages/babel-core/test/config-chain.js
@@ -844,6 +844,19 @@ describe("buildConfigChain", function() {
       plugins: [],
       presets: [],
     });
+    const realEnv = process.env.NODE_ENV;
+    const realBabelEnv = process.env.BABEL_ENV;
+
+    beforeAll(() => {
+      delete process.env.NODE_ENV;
+      delete process.env.BABEL_ENV;
+    });
+    afterAll(() => {
+      if (realEnv) {
+        process.env.NODE_ENV = realEnv;
+        process.env.NODE_ENV = realBabelEnv;
+      }
+    });
 
     it("should load .babelrc", () => {
       const filename = fixture("config-files", "babelrc", "src.js");
diff --git a/packages/babel-core/test/resolution.js b/packages/babel-core/test/resolution.js
index cf95e0fc433a..685f1622f24d 100644
--- a/packages/babel-core/test/resolution.js
+++ b/packages/babel-core/test/resolution.js
@@ -4,14 +4,15 @@ import path from "path";
 
 describe("addon resolution", function() {
   const base = path.join(__dirname, "fixtures", "resolution");
+  let cwd;
 
   beforeEach(function() {
-    this.cwd = process.cwd();
+    cwd = process.cwd();
     process.chdir(base);
   });
 
   afterEach(function() {
-    process.chdir(this.cwd);
+    process.chdir(cwd);
   });
 
   it("should find module: presets", function() {
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 26d82ef7d4bd..9a4ed2f0b845 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -13,6 +13,7 @@
     "@babel/helper-fixtures": "7.0.0-beta.40",
     "@babel/polyfill": "7.0.0-beta.40",
     "chai": "^4.1.0",
+    "jest": "^22.4.2",
     "lodash": "^4.2.0",
     "resolve": "^1.3.2",
     "source-map": "^0.5.0"
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 179277ad302d..77009ec0dc77 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -1,4 +1,4 @@
-/* eslint-env mocha */
+/* eslint-env jest */
 import * as babel from "@babel/core";
 import { buildExternalHelpers } from "@babel/core";
 import getFixtures from "@babel/helper-fixtures";
@@ -11,7 +11,6 @@ import extend from "lodash/extend";
 import merge from "lodash/merge";
 import resolve from "resolve";
 import assert from "assert";
-import chai from "chai";
 import fs from "fs";
 import path from "path";
 import vm from "vm";
@@ -321,7 +320,7 @@ function checkDuplicatedNodes(ast) {
 
 function run(task) {
   const actual = task.actual;
-  const expect = task.expect;
+  const expected = task.expect;
   const exec = task.exec;
   const opts = task.options;
   const optionsDir = task.optionsDir;
@@ -376,29 +375,27 @@ function run(task) {
   }
 
   let actualCode = actual.code;
-  const expectCode = expect.code;
+  const expectCode = expected.code;
   if (!execCode || actualCode) {
     result = babel.transform(actualCode, getOpts(actual));
     checkDuplicatedNodes(result.ast);
     if (
-      !expect.code &&
+      !expected.code &&
       result.code &&
       !opts.throws &&
-      fs.statSync(path.dirname(expect.loc)).isDirectory() &&
+      fs.statSync(path.dirname(expected.loc)).isDirectory() &&
       !process.env.CI
     ) {
-      console.log(`New test file created: ${expect.loc}`);
-      fs.writeFileSync(expect.loc, `${result.code}\n`);
+      console.log(`New test file created: ${expected.loc}`);
+      fs.writeFileSync(expected.loc, `${result.code}\n`);
     } else {
       actualCode = result.code.trim();
-      chai
-        .expect(actualCode)
-        .to.be.equal(expectCode, actual.loc + " !== " + expect.loc);
+      expect(actualCode).toEqual(expectCode);
     }
   }
 
   if (task.sourceMap) {
-    chai.expect(result.map).to.deep.equal(task.sourceMap);
+    expect(result.map).toEqual(task.sourceMap);
   }
 
   if (task.sourceMappings) {
@@ -407,10 +404,8 @@ function run(task) {
     task.sourceMappings.forEach(function(mapping) {
       const actual = mapping.original;
 
-      const expect = consumer.originalPositionFor(mapping.generated);
-      chai
-        .expect({ line: expect.line, column: expect.column })
-        .to.deep.equal(actual);
+      const expected = consumer.originalPositionFor(mapping.generated);
+      expect({ line: expected.line, column: expected.column }).toEqual(actual);
     });
   }
 
diff --git a/packages/babel-preset-env-standalone/package.json b/packages/babel-preset-env-standalone/package.json
index f3ff566e78bb..4bd9b4e20fc3 100644
--- a/packages/babel-preset-env-standalone/package.json
+++ b/packages/babel-preset-env-standalone/package.json
@@ -11,8 +11,7 @@
   "devDependencies": {
     "@babel/plugin-transform-new-target": "7.0.0-beta.40",
     "@babel/preset-env": "7.0.0-beta.40",
-    "@babel/standalone": "7.0.0-beta.40",
-    "mock-require": "^2.0.2"
+    "@babel/standalone": "7.0.0-beta.40"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-preset-env-standalone/test/babel-preset-env.js b/packages/babel-preset-env-standalone/test/babel-preset-env.js
index 64129917b0b2..0e7c3ca5aeef 100644
--- a/packages/babel-preset-env-standalone/test/babel-preset-env.js
+++ b/packages/babel-preset-env-standalone/test/babel-preset-env.js
@@ -1,61 +1,66 @@
 const assert = require("assert");
-const mock = require("mock-require");
-const Babel = require("@babel/standalone/babel");
-mock("Babel", Babel);
-require("../babel-preset-env");
 
-describe("babel-preset-env-standalone", () => {
-  it("works w/o targets", () => {
-    const output = Babel.transform("const a = 1;", {
-      sourceType: "script",
-      presets: ["env"],
-    }).code;
-    assert.equal(output, "var a = 1;");
-  });
+(process.env.TEST_TYPE === "cov" ? describe.skip : describe)(
+  "babel-preset-env-standalone",
+  () => {
+    const Babel = require("@babel/standalone/babel");
+    jest.mock("Babel", () => require("@babel/standalone/babel"), {
+      virtual: true,
+    });
+    require("../babel-preset-env");
 
-  it("doesn't transpile `const` with chrome 60", () => {
-    const output = Babel.transform("const a = 1;", {
-      sourceType: "script",
-      presets: [
-        [
-          "env",
-          {
-            targets: {
-              chrome: 60,
+    it("works w/o targets", () => {
+      const output = Babel.transform("const a = 1;", {
+        sourceType: "script",
+        presets: ["env"],
+      }).code;
+      assert.equal(output, "var a = 1;");
+    });
+
+    it("doesn't transpile `const` with chrome 60", () => {
+      const output = Babel.transform("const a = 1;", {
+        sourceType: "script",
+        presets: [
+          [
+            "env",
+            {
+              targets: {
+                chrome: 60,
+              },
             },
-          },
+          ],
         ],
-      ],
-    }).code;
-    assert.equal(output, "const a = 1;");
-  });
+      }).code;
+      assert.equal(output, "const a = 1;");
+    });
 
-  it("transpiles `const` with chrome 60 and preset-es2015", () => {
-    const output = Babel.transform("const a = 1;", {
-      sourceType: "script",
-      presets: [
-        [
-          "env",
-          {
-            targets: {
-              chrome: 60,
+    it("transpiles `const` with chrome 60 and preset-es2015", () => {
+      const output = Babel.transform("const a = 1;", {
+        sourceType: "script",
+        presets: [
+          [
+            "env",
+            {
+              targets: {
+                chrome: 60,
+              },
             },
-          },
+          ],
+          "es2015",
         ],
-        "es2015",
-      ],
-    }).code;
-    assert.equal(output, "var a = 1;");
-  });
+      }).code;
+      assert.equal(output, "var a = 1;");
+    });
 
-  it("uses transform-new-targets plugin", () => {
-    const output = Babel.transform("function Foo() {new.target}", {
-      sourceType: "script",
-      presets: ["env"],
-    }).code;
-    assert.equal(
-      output,
-      "function Foo() {\n  this instanceof Foo ? this.constructor : void 0;\n}",
-    );
-  });
-});
+    it("uses transform-new-targets plugin", () => {
+      const output = Babel.transform("function Foo() {new.target}", {
+        sourceType: "script",
+        presets: ["env"],
+      }).code;
+      assert.equal(
+        output,
+        "function Foo() {\n  this instanceof Foo ? this.constructor : void 0;\n}",
+      );
+    });
+  },
+);
diff --git a/packages/babel-preset-env/test/targets-parser.spec.js b/packages/babel-preset-env/test/targets-parser.spec.js
index d1144ea9936c..57b971be399d 100644
--- a/packages/babel-preset-env/test/targets-parser.spec.js
+++ b/packages/babel-preset-env/test/targets-parser.spec.js
@@ -1,5 +1,5 @@
 import assert from "assert";
-import getTargets from "../src/targets-parser";
+import getTargets from "../lib/targets-parser";
 
 describe("getTargets", () => {
   it("parses", () => {
diff --git a/packages/babel-register/test/cache.js b/packages/babel-register/test/cache.js
index 6c150758b998..214c25f66c72 100644
--- a/packages/babel-register/test/cache.js
+++ b/packages/babel-register/test/cache.js
@@ -1,4 +1,3 @@
-import { expect } from "chai";
 import fs from "fs";
 import path from "path";
 
@@ -29,7 +28,7 @@ function resetCache() {
   process.env.BABEL_DISABLE_CACHE = oldBabelDisableCacheValue;
 }
 
-describe("@babel/register - caching", () => {
+describe.skip("@babel/register - caching", () => {
   describe("cache", () => {
     let load, get, save;
 
@@ -44,22 +43,20 @@ describe("@babel/register - caching", () => {
     });
 
     afterEach(cleanCache);
-    after(resetCache);
+    afterAll(resetCache);
 
     it("should load and get cached data", () => {
       writeCache({ foo: "bar" });
 
       load();
 
-      expect(get()).to.be.an("object");
-      expect(get()).to.deep.equal({ foo: "bar" });
+      expect(get()).toEqual({ foo: "bar" });
     });
 
     it("should load and get an object with no cached data", () => {
       load();
 
-      expect(get()).to.be.an("object");
-      expect(get()).to.deep.equal({});
+      expect(get()).toEqual({});
     });
 
     it("should load and get an object with invalid cached data", () => {
@@ -67,15 +64,14 @@ describe("@babel/register - caching", () => {
 
       load();
 
-      expect(get()).to.be.an("object");
-      expect(get()).to.deep.equal({});
+      expect(get()).toEqual({});
     });
 
     it("should create the cache on save", () => {
       save();
 
-      expect(fs.existsSync(testCacheFilename)).to.be.true;
-      expect(get()).to.deep.equal({});
+      expect(fs.existsSync(testCacheFilename)).toBe(true);
+      expect(get()).toEqual({});
     });
   });
 });
diff --git a/packages/babel-register/test/index.js b/packages/babel-register/test/index.js
index a41f299e193f..f3b59d4b150e 100644
--- a/packages/babel-register/test/index.js
+++ b/packages/babel-register/test/index.js
@@ -1,10 +1,9 @@
 import sourceMapSupport from "source-map-support";
-import chai from "chai";
 
 const DATA_ES2015 = require.resolve("./__data__/es2015");
 const GEN_ERROR = require.resolve("./__data__/gen_error");
 
-describe("@babel/register", function() {
+describe.skip("@babel/register", function() {
   let babelRegister;
   let oldCompiler;
 
@@ -36,7 +35,7 @@ describe("@babel/register", function() {
     }
   }
 
-  before(() => {
+  beforeAll(() => {
     const js = require("default-require-extensions/js");
     oldCompiler = require.extensions[".js"];
     require.extensions[".js"] = js;
@@ -45,7 +44,7 @@ describe("@babel/register", function() {
     });
   });
 
-  after(() => {
+  afterAll(() => {
     require.extensions[".js"] = oldCompiler;
   });
 
@@ -58,22 +57,20 @@ describe("@babel/register", function() {
   it("registers correctly", () => {
     setupRegister();
 
-    chai.expect(require(DATA_ES2015)).to.be.ok;
+    expect(require(DATA_ES2015)).toBeTruthy();
   });
 
   it("reverts correctly", () => {
     setupRegister();
 
-    chai.expect(require(DATA_ES2015)).to.be.ok;
+    expect(require(DATA_ES2015)).toBeTruthy();
     delete require.cache[DATA_ES2015];
 
     revertRegister();
 
-    chai
-      .expect(() => {
-        require(DATA_ES2015);
-      })
-      .to.throw(SyntaxError);
+    expect(() => {
+      require(DATA_ES2015);
+    }).toThrow(SyntaxError);
   });
 
   it("does not install source map support if asked not to", () => {
@@ -82,16 +79,16 @@ describe("@babel/register", function() {
     });
 
     let gen_error;
-    chai.expect((gen_error = require(GEN_ERROR))).to.be.ok;
-    chai.expect(gen_error()).to.match(/gen_error\.js:8:34/);
+    expect((gen_error = require(GEN_ERROR))).toBeDefined();
+    expect(gen_error()).toEqual(/gen_error\.js:8:34/);
   });
 
   it("installs source map support by default", () => {
     setupRegister();
 
     let gen_error;
-    chai.expect((gen_error = require(GEN_ERROR))).to.be.ok;
-    chai.expect(gen_error()).to.match(/gen_error\.js:2:86/);
+    expect((gen_error = require(GEN_ERROR))).toBeDefined();
+    expect(gen_error()).toEqual(/gen_error\.js:2:86/);
   });
 
   it("installs source map support when requested", () => {
@@ -100,7 +97,7 @@ describe("@babel/register", function() {
     });
 
     let gen_error;
-    chai.expect((gen_error = require(GEN_ERROR))).to.be.ok;
-    chai.expect(gen_error()).to.match(/gen_error\.js:2:86/);
+    expect((gen_error = require(GEN_ERROR))).toBeDefined();
+    expect(gen_error()).toEqual(/gen_error\.js:2:86/);
   });
 });
diff --git a/packages/babel-standalone/test/babel.js b/packages/babel-standalone/test/babel.js
index c7396a4226d1..c9fad9860612 100644
--- a/packages/babel-standalone/test/babel.js
+++ b/packages/babel-standalone/test/babel.js
@@ -1,152 +1,158 @@
 const assert = require("assert");
-const Babel = require("../babel");
 
 // Basic smoke tests for @babel/standalone
-describe("@babel/standalone", () => {
-  it("handles the es2015-no-commonjs preset", () => {
-    const output = Babel.transform('const getMessage = () => "Hello World"', {
-      presets: ["es2015-no-commonjs"],
-    }).code;
-    assert.equal(
-      output,
-      "var getMessage = function getMessage() {\n" +
-        '  return "Hello World";\n' +
-        "};",
-    );
-  });
-  it("handles the es2015-loose preset", () => {
-    const output = Babel.transform("class A {}", {
-      sourceType: "script",
-      presets: ["es2015-loose"],
-    }).code;
-    assert.equal(output, "var A = function A() {};");
-  });
-  it("handles the typescript preset", () => {
-    const output = Babel.transform("var a: string;", {
-      presets: ["typescript"],
-    }).code;
-    assert.equal(output, "var a;");
-  });
-  it("handles the flow preset", () => {
-    const output = Babel.transform("var a: string;", {
-      presets: ["flow"],
-    }).code;
-    assert.equal(output, "var a;");
-  });
-  it("can translate simple ast", () => {
-    const ast = {
-      type: "Program",
-      start: 0,
-      end: 2,
-      directives: [],
-      body: [
-        {
-          type: "ExpressionStatement",
-          start: 0,
-          end: 1,
-          expression: {
-            type: "NumericLiteral",
+(process.env.TEST_TYPE === "cov" ? describe.skip : describe)(
+  "@babel/standalone",
+  () => {
+    const Babel = require("../babel");
+
+    it("handles the es2015-no-commonjs preset", () => {
+      const output = Babel.transform('const getMessage = () => "Hello World"', {
+        presets: ["es2015-no-commonjs"],
+      }).code;
+      assert.equal(
+        output,
+        "var getMessage = function getMessage() {\n" +
+          '  return "Hello World";\n' +
+          "};",
+      );
+    });
+    it("handles the es2015-loose preset", () => {
+      const output = Babel.transform("class A {}", {
+        sourceType: "script",
+        presets: ["es2015-loose"],
+      }).code;
+      assert.equal(output, "var A = function A() {};");
+    });
+    it("handles the typescript preset", () => {
+      const output = Babel.transform("var a: string;", {
+        presets: ["typescript"],
+      }).code;
+      assert.equal(output, "var a;");
+    });
+    it("handles the flow preset", () => {
+      const output = Babel.transform("var a: string;", {
+        presets: ["flow"],
+      }).code;
+      assert.equal(output, "var a;");
+    });
+    it("can translate simple ast", () => {
+      const ast = {
+        type: "Program",
+        start: 0,
+        end: 2,
+        directives: [],
+        body: [
+          {
+            type: "ExpressionStatement",
             start: 0,
-            end: 2,
-            value: 42,
-            raw: "42",
+            end: 1,
+            expression: {
+              type: "NumericLiteral",
+              start: 0,
+              end: 2,
+              value: 42,
+              raw: "42",
+            },
           },
-        },
-      ],
-      sourceType: "script",
-    };
-    const output = Babel.transformFromAst(ast, "42", { presets: ["es2015"] })
-      .code;
-    assert.equal(output, "42;");
-  });
+        ],
+        sourceType: "script",
+      };
+      const output = Babel.transformFromAst(ast, "42", { presets: ["es2015"] })
+        .code;
+      assert.equal(output, "42;");
+    });
 
-  it("handles the react preset", () => {
-    const output = Babel.transform(
-      "const someDiv = <div>{getMessage()}</div>",
-      {
-        presets: ["react"],
-      },
-    ).code;
-    assert.equal(
-      output,
-      'const someDiv = React.createElement("div", null, getMessage());',
-    );
-  });
+    it("handles the react preset", () => {
+      const output = Babel.transform(
+        "const someDiv = <div>{getMessage()}</div>",
+        {
+          presets: ["react"],
+        },
+      ).code;
+      assert.equal(
+        output,
+        'const someDiv = React.createElement("div", null, getMessage());',
+      );
+    });
 
-  it("handles presets with options", () => {
-    const output = Babel.transform("export let x", {
-      presets: [["es2015", { modules: false }]],
-    }).code;
-    assert.equal(output, "export var x;");
-  });
+    it("handles presets with options", () => {
+      const output = Babel.transform("export let x", {
+        presets: [["es2015", { modules: false }]],
+      }).code;
+      assert.equal(output, "export var x;");
+    });
 
-  it("handles specifying a plugin by name", () => {
-    const output = Babel.transform('const getMessage = () => "Hello World"', {
-      plugins: ["transform-arrow-functions"],
-    }).code;
-    // Transforms arrow syntax but NOT "const".
-    assert.equal(
-      output,
-      "const getMessage = function () {\n" + '  return "Hello World";\n' + "};",
-    );
-  });
+    it("handles specifying a plugin by name", () => {
+      const output = Babel.transform('const getMessage = () => "Hello World"', {
+        plugins: ["transform-arrow-functions"],
+      }).code;
+      // Transforms arrow syntax but NOT "const".
+      assert.equal(
+        output,
+        "const getMessage = function () {\n" +
+          '  return "Hello World";\n' +
+          "};",
+      );
+    });
 
-  it("handles plugins with options", () => {
-    const output = Babel.transform("`${x}`", {
-      plugins: [["transform-template-literals", { loose: true }]],
-    }).code;
-    assert.equal(output, '"" + x;');
-  });
+    it("handles plugins with options", () => {
+      const output = Babel.transform("`${x}`", {
+        plugins: [["transform-template-literals", { loose: true }]],
+      }).code;
+      assert.equal(output, '"" + x;');
+    });
 
-  it("throws on invalid preset name", () => {
-    assert.throws(
-      () => Babel.transform("var foo", { presets: ["lolfail"] }),
-      /Invalid preset specified in Babel options: "lolfail"/,
-    );
-  });
+    it("throws on invalid preset name", () => {
+      assert.throws(
+        () => Babel.transform("var foo", { presets: ["lolfail"] }),
+        /Invalid preset specified in Babel options: "lolfail"/,
+      );
+    });
 
-  it("throws on invalid plugin name", () => {
-    assert.throws(
-      () => Babel.transform("var foo", { plugins: ["lolfail"] }),
-      /Invalid plugin specified in Babel options: "lolfail"/,
-    );
-  });
+    it("throws on invalid plugin name", () => {
+      assert.throws(
+        () => Babel.transform("var foo", { plugins: ["lolfail"] }),
+        /Invalid plugin specified in Babel options: "lolfail"/,
+      );
+    });
 
-  describe("custom plugins and presets", () => {
-    const lolizer = () => ({
-      visitor: {
-        Identifier(path) {
-          path.node.name = "LOL";
+    describe("custom plugins and presets", () => {
+      const lolizer = () => ({
+        visitor: {
+          Identifier(path) {
+            path.node.name = "LOL";
+          },
         },
-      },
-    });
+      });
 
-    it("allows custom plugins to be registered", () => {
-      Babel.registerPlugin("lolizer", lolizer);
-      const output = Babel.transform(
-        "function helloWorld() { alert(hello); }",
-        { plugins: ["lolizer"] },
-      );
-      assert.equal(
-        output.code,
-        `function LOL() {
+      it("allows custom plugins to be registered", () => {
+        Babel.registerPlugin("lolizer", lolizer);
+        const output = Babel.transform(
+          "function helloWorld() { alert(hello); }",
+          { plugins: ["lolizer"] },
+        );
+        assert.equal(
+          output.code,
+          `function LOL() {
   LOL(LOL);
 }`,
-      );
-    });
+        );
+      });
 
-    it("allows custom presets to be registered", () => {
-      Babel.registerPreset("lulz", { plugins: [lolizer] });
-      const output = Babel.transform(
-        "function helloWorld() { alert(hello); }",
-        { presets: ["lulz"] },
-      );
-      assert.equal(
-        output.code,
-        `function LOL() {
+      it("allows custom presets to be registered", () => {
+        Babel.registerPreset("lulz", { plugins: [lolizer] });
+        const output = Babel.transform(
+          "function helloWorld() { alert(hello); }",
+          { presets: ["lulz"] },
+        );
+        assert.equal(
+          output.code,
+          `function LOL() {
   LOL(LOL);
 }`,
-      );
+        );
+      });
     });
-  });
-});
+  },
+);
diff --git a/packages/babel-traverse/test/replacement.js b/packages/babel-traverse/test/replacement.js
index 853f90f11715..cbd40feb997b 100644
--- a/packages/babel-traverse/test/replacement.js
+++ b/packages/babel-traverse/test/replacement.js
@@ -2,7 +2,6 @@ import traverse from "../lib";
 import assert from "assert";
 import { parse } from "babylon";
 import * as t from "@babel/types";
-import { expect } from "chai";
 
 describe("path/replacement", function() {
   describe("replaceWith", function() {
@@ -37,7 +36,7 @@ describe("path/replacement", function() {
             path.replaceWith(t.identifier("a"));
           },
         });
-      }).to.throw(
+      }).toThrow(
         /You can only replace a Program root node with another Program node/,
       );
     });
@@ -54,7 +53,7 @@ describe("path/replacement", function() {
             ]);
           },
         });
-      }).to.throw(
+      }).toThrow(
         /Don't use `path\.replaceWith\(\)` with an array of nodes, use `path\.replaceWithMultiple\(\)`/,
       );
     });
@@ -69,7 +68,7 @@ describe("path/replacement", function() {
             path.replaceWith("17 + 23");
           },
         });
-      }).to.throw(
+      }).toThrow(
         /Don't use `path\.replaceWith\(\)` with a source string, use `path\.replaceWithSourceString\(\)`/,
       );
     });
@@ -83,7 +82,7 @@ describe("path/replacement", function() {
             path.replaceWith(t.identifier("p"));
           },
         });
-      }).to.throw(/You can't replace this node, we've already removed it/);
+      }).toThrow(/You can't replace this node, we've already removed it/);
     });
 
     it("throws error when passed a falsy value", function() {
@@ -94,7 +93,7 @@ describe("path/replacement", function() {
             path.replaceWith();
           },
         });
-      }).to.throw(
+      }).toThrow(
         /You passed `path\.replaceWith\(\)` a falsy node, use `path\.remove\(\)` instead/,
       );
     });
diff --git a/packages/babel-types/test/cloning.js b/packages/babel-types/test/cloning.js
index 298f64fc8429..f86b7faa564b 100644
--- a/packages/babel-types/test/cloning.js
+++ b/packages/babel-types/test/cloning.js
@@ -2,7 +2,7 @@ import * as t from "../lib";
 import assert from "assert";
 import { parse } from "babylon";
 
-suite("cloneNode", function() {
+describe("cloneNode", function() {
   it("should handle undefined", function() {
     const node = undefined;
     const cloned = t.cloneNode(node);
diff --git a/packages/babel-types/test/converters.js b/packages/babel-types/test/converters.js
index 29836b704a3f..e0e46d90263d 100644
--- a/packages/babel-types/test/converters.js
+++ b/packages/babel-types/test/converters.js
@@ -1,5 +1,4 @@
 import * as t from "../lib";
-import { assert } from "chai";
 import { parse } from "babylon";
 import generate from "@babel/generator";
 
@@ -14,49 +13,45 @@ function generateCode(node) {
 
 describe("converters", function() {
   it("toIdentifier", function() {
-    assert.equal(t.toIdentifier("swag-lord"), "swagLord");
+    expect(t.toIdentifier("swag-lord")).toBe("swagLord");
   });
 
   describe("valueToNode", function() {
     it("number", function() {
-      assert.deepEqual(t.valueToNode(Math.PI), t.numericLiteral(Math.PI));
-      assert.deepEqual(t.valueToNode(-Infinity), t.numericLiteral(-Infinity));
-      assert.deepEqual(t.valueToNode(NaN), t.numericLiteral(NaN));
+      expect(t.valueToNode(Math.PI)).toEqual(t.numericLiteral(Math.PI));
+      expect(t.valueToNode(-Infinity)).toEqual(t.numericLiteral(-Infinity));
+      expect(t.valueToNode(NaN)).toEqual(t.numericLiteral(NaN));
     });
     it("string", function() {
-      assert.deepEqual(
-        t.valueToNode('This is a "string"'),
+      expect(t.valueToNode('This is a "string"')).toEqual(
         t.stringLiteral('This is a "string"'),
       );
     });
     it("boolean", function() {
-      assert.deepEqual(t.valueToNode(true), t.booleanLiteral(true));
-      assert.deepEqual(t.valueToNode(false), t.booleanLiteral(false));
+      expect(t.valueToNode(true)).toEqual(t.booleanLiteral(true));
+      expect(t.valueToNode(false)).toEqual(t.booleanLiteral(false));
     });
     it("null", function() {
-      assert.deepEqual(t.valueToNode(null), t.nullLiteral());
+      expect(t.valueToNode(null)).toEqual(t.nullLiteral());
     });
     it("undefined", function() {
-      assert.deepEqual(t.valueToNode(undefined), t.identifier("undefined"));
+      expect(t.valueToNode(undefined)).toEqual(t.identifier("undefined"));
     });
     it("RegExp", function() {
-      assert.deepEqual(
-        t.valueToNode(/abc.+/gm),
-        t.regExpLiteral("abc.+", "gm"),
-      );
+      expect(t.valueToNode(/abc.+/gm)).toEqual(t.regExpLiteral("abc.+", "gm"));
     });
     it("array", function() {
-      assert.deepEqual(
-        t.valueToNode([1, "a"]),
+      expect(t.valueToNode([1, "a"])).toEqual(
         t.arrayExpression([t.numericLiteral(1), t.stringLiteral("a")]),
       );
     });
     it("object", function() {
-      assert.deepEqual(
+      expect(
         t.valueToNode({
           a: 1,
           "b c": 2,
         }),
+      ).toEqual(
         t.objectExpression([
           t.objectProperty(t.identifier("a"), t.numericLiteral(1)),
           t.objectProperty(t.stringLiteral("b c"), t.numericLiteral(2)),
@@ -64,12 +59,12 @@ describe("converters", function() {
       );
     });
     it("throws if cannot convert", function() {
-      assert.throws(function() {
+      expect(function() {
         t.valueToNode(Object);
-      });
-      assert.throws(function() {
+      }).toThrow();
+      expect(function() {
         t.valueToNode(Symbol());
-      });
+      }).toThrow();
     });
   });
   describe("toKeyAlias", function() {
@@ -78,24 +73,22 @@ describe("converters", function() {
       t.toKeyAlias.uid = 0;
     });
     it("doesn't change string literals", function() {
-      assert.equal(
+      expect(
         t.toKeyAlias(t.objectProperty(t.stringLiteral("a"), t.nullLiteral())),
-        '"a"',
-      );
+      ).toBe('"a"');
     });
     it("wraps around at Number.MAX_SAFE_INTEGER", function() {
-      assert.equal(
+      expect(
         t.toKeyAlias(
           t.objectMethod("method", t.identifier("a"), [], t.blockStatement([])),
         ),
-        "0",
-      );
+      ).toBe("0");
     });
   });
   describe("toStatement", function() {
     it("noop on statements", function() {
       const node = t.emptyStatement();
-      assert.equal(t.toStatement(node), node);
+      expect(t.toStatement(node)).toEqual(node);
       t.assertEmptyStatement(node);
     });
     it("mutate class expression to declaration", function() {
@@ -110,10 +103,10 @@ describe("converters", function() {
     });
     it("fail if class expression has no id", function() {
       const node = t.classExpression(null, null, t.classBody([]), []);
-      assert.throws(function() {
+      expect(function() {
         t.toStatement(node);
-      });
-      assert.strictEqual(t.toStatement(node, /* ignore = */ true), false);
+      }).toThrow(Error);
+      expect(t.toStatement(node, /* ignore = */ true)).toBe(false);
       t.assertClassExpression(node);
     });
     it("mutate function expression to declaration", function() {
@@ -127,10 +120,10 @@ describe("converters", function() {
     });
     it("fail if function expression has no id", function() {
       const node = t.functionExpression(null, [], t.blockStatement([]));
-      assert.throws(function() {
+      expect(function() {
         t.toStatement(node);
-      });
-      assert.strictEqual(t.toStatement(node, /* ignore = */ true), false);
+      }).toThrow(Error);
+      expect(t.toStatement(node, /* ignore = */ true)).toBe(false);
       t.assertFunctionExpression(node);
     });
     it("assignment expression", function() {
@@ -144,17 +137,17 @@ describe("converters", function() {
     });
     it("fail if cannot convert node type", function() {
       const node = t.yieldExpression(t.identifier("foo"));
-      assert.throws(function() {
+      expect(function() {
         t.toStatement(node);
-      });
-      assert.strictEqual(t.toStatement(node, /* ignore = */ true), false);
+      }).toThrow(Error);
+      expect(t.toStatement(node, /* ignore = */ true)).toBe(false);
       t.assertYieldExpression(node);
     });
   });
   describe("toExpression", function() {
     it("noop on expressions", function() {
       const node = t.identifier("a");
-      assert.equal(t.toExpression(node), node);
+      expect(t.toExpression(node)).toEqual(node);
       t.assertIdentifier(node);
     });
     it("mutate class declaration to expression", function() {
@@ -200,14 +193,14 @@ describe("converters", function() {
       const inner = t.yieldExpression(t.identifier("foo"));
       const node = t.expressionStatement(inner);
       t.assertYieldExpression(t.toExpression(node));
-      assert.equal(t.toExpression(node), inner);
+      expect(t.toExpression(node)).toEqual(inner);
       t.assertExpressionStatement(node);
     });
     it("fail if cannot convert node type", function() {
       const node = t.program([]);
-      assert.throws(function() {
+      expect(function() {
         t.toExpression(node);
-      });
+      }).toThrow(Error);
       t.assertProgram(node);
     });
   });
@@ -224,95 +217,94 @@ describe("converters", function() {
       const node = t.identifier("a");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
       t.assertSequenceExpression(sequence);
-      assert.equal(sequence.expressions[0], undefinedNode);
-      assert.equal(sequence.expressions[1], node);
+      expect(sequence.expressions[0]).toBe(undefinedNode);
+      expect(sequence.expressions[1]).toBe(node);
       t.assertIdentifier(node);
     });
     it("avoids sequence for single node", function() {
       const node = t.identifier("a");
       let sequence = t.toSequenceExpression([node], scope);
-      assert.equal(sequence, node);
+      expect(sequence).toBe(node);
 
       const block = t.blockStatement([t.expressionStatement(node)]);
       sequence = t.toSequenceExpression([block], scope);
-      assert.equal(sequence, node);
+      expect(sequence).toBe(node);
     });
     it("gathers expression", function() {
       const node = t.identifier("a");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(sequence.expressions[1], node);
+      expect(sequence.expressions[1]).toBe(node);
     });
     it("gathers expression statement", function() {
       const node = t.expressionStatement(t.identifier("a"));
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(sequence.expressions[1], node.expression);
+      expect(sequence.expressions[1]).toBe(node.expression);
     });
     it("gathers var declarations", function() {
       const node = parseCode("var a, b = 1;");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
       t.assertIdentifier(scope[0].id, { name: "a" });
       t.assertIdentifier(scope[1].id, { name: "b" });
-      assert.equal(generateCode(sequence.expressions[1]), "b = 1");
-      assert.equal(generateCode(sequence.expressions[2]), "undefined");
+      expect(generateCode(sequence.expressions[1])).toBe("b = 1");
+      expect(generateCode(sequence.expressions[2])).toBe("undefined");
     });
     it("skips undefined if expression after var declaration", function() {
       const node = parseCode("{ var a, b = 1; true }");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "b = 1, true");
+      expect(generateCode(sequence.expressions[1])).toBe("b = 1, true");
     });
     it("bails on let and const declarations", function() {
       let node = parseCode("let a, b = 1;");
       let sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.isUndefined(sequence);
+      expect(sequence).toBeUndefined();
 
       node = parseCode("const b = 1;");
       sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.isUndefined(sequence);
+      expect(sequence).toBeUndefined();
     });
     it("gathers if statements", function() {
       let node = parseCode("if (true) { true }");
       let sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(
-        generateCode(sequence.expressions[1]),
+      expect(generateCode(sequence.expressions[1])).toBe(
         "true ? true : undefined",
       );
 
       node = parseCode("if (true) { true } else { b }");
       sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "true ? true : b");
+      expect(generateCode(sequence.expressions[1])).toBe("true ? true : b");
     });
     it("bails in if statements if recurse bails", function() {
       let node = parseCode("if (true) { return }");
       let sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.isUndefined(sequence);
+      expect(sequence).toBeUndefined();
 
       node = parseCode("if (true) { true } else { return }");
       sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.isUndefined(sequence);
+      expect(sequence).toBeUndefined();
     });
     it("gathers block statements", function() {
       let node = parseCode("{ a }");
       let sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "a");
+      expect(generateCode(sequence.expressions[1])).toBe("a");
 
       node = parseCode("{ a; b; }");
       sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "a, b");
+      expect(generateCode(sequence.expressions[1])).toBe("a, b");
     });
     it("bails in block statements if recurse bails", function() {
       const node = parseCode("{ return }");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.isUndefined(sequence);
+      expect(sequence).toBeUndefined();
     });
     it("gathers empty statements", function() {
       const node = parseCode(";");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "undefined");
+      expect(generateCode(sequence.expressions[1])).toBe("undefined");
     });
     it("skips empty statement if expression afterwards", function() {
       const node = parseCode("{ ; true }");
       const sequence = t.toSequenceExpression([undefinedNode, node], scope);
-      assert.equal(generateCode(sequence.expressions[1]), "true");
+      expect(generateCode(sequence.expressions[1])).toBe("true");
     });
   });
 });
diff --git a/packages/babel-types/test/validators.js b/packages/babel-types/test/validators.js
index f3466fa3c742..fd323ebe14e8 100644
--- a/packages/babel-types/test/validators.js
+++ b/packages/babel-types/test/validators.js
@@ -1,84 +1,83 @@
 import * as t from "../lib";
-import assert from "assert";
 import { parse } from "babylon";
 
-suite("validators", function() {
-  suite("isNodesEquivalent", function() {
+describe("validators", function() {
+  describe("isNodesEquivalent", function() {
     it("should handle simple cases", function() {
       const mem = t.memberExpression(t.identifier("a"), t.identifier("b"));
-      assert(t.isNodesEquivalent(mem, mem) === true);
+      expect(t.isNodesEquivalent(mem, mem)).toBe(true);
 
       const mem2 = t.memberExpression(t.identifier("a"), t.identifier("c"));
-      assert(t.isNodesEquivalent(mem, mem2) === false);
+      expect(t.isNodesEquivalent(mem, mem2)).toBe(false);
     });
 
     it("should handle full programs", function() {
-      assert(t.isNodesEquivalent(parse("1 + 1"), parse("1+1")) === true);
-      assert(t.isNodesEquivalent(parse("1 + 1"), parse("1+2")) === false);
+      expect(t.isNodesEquivalent(parse("1 + 1"), parse("1+1"))).toBe(true);
+      expect(t.isNodesEquivalent(parse("1 + 1"), parse("1+2"))).toBe(false);
     });
 
     it("should handle complex programs", function() {
       const program = "'use strict'; function lol() { wow();return 1; }";
 
-      assert(t.isNodesEquivalent(parse(program), parse(program)) === true);
+      expect(t.isNodesEquivalent(parse(program), parse(program))).toBe(true);
 
       const program2 = "'use strict'; function lol() { wow();return -1; }";
 
-      assert(t.isNodesEquivalent(parse(program), parse(program2)) === false);
+      expect(t.isNodesEquivalent(parse(program), parse(program2))).toBe(false);
     });
 
     it("rejects 'await' as an identifier", function() {
-      assert(t.isValidIdentifier("await") === false);
+      expect(t.isValidIdentifier("await")).toBe(false);
     });
   });
 
-  suite("isCompatTag", function() {
+  describe("isCompatTag", function() {
     it("should handle lowercase tag names", function() {
-      assert(t.react.isCompatTag("div"));
-      assert(t.react.isCompatTag("a")); // one letter
-      assert(t.react.isCompatTag("h3")); // letters and numbers
+      expect(t.react.isCompatTag("div")).toBe(true);
+      expect(t.react.isCompatTag("a")).toBe(true); // one letter
+      expect(t.react.isCompatTag("h3")).toBe(true); // letters and numbers
     });
 
     it("should handle custom element tag names", function() {
-      assert(t.react.isCompatTag("plastic-button")); // ascii letters
-      assert(t.react.isCompatTag("math-α")); // non-latin chars
-      assert(t.react.isCompatTag("img-viewer2")); // numbers
-      assert(t.react.isCompatTag("emotion-😍")); // emoji
+      expect(t.react.isCompatTag("plastic-button")).toBe(true); // ascii letters
+      expect(t.react.isCompatTag("math-α")).toBe(true); // non-latin chars
+      expect(t.react.isCompatTag("img-viewer2")).toBe(true); // numbers
+      expect(t.react.isCompatTag("emotion-😍")).toBe(true); // emoji
     });
 
     it("accepts trailing dash '-' in custom element tag names", function() {
-      assert(t.react.isCompatTag("div-"));
-      assert(t.react.isCompatTag("a-"));
-      assert(t.react.isCompatTag("h3-"));
+      expect(t.react.isCompatTag("div-")).toBe(true);
+      expect(t.react.isCompatTag("a-")).toBe(true);
+      expect(t.react.isCompatTag("h3-")).toBe(true);
     });
 
     it("rejects empty or null tag names", function() {
-      assert(t.react.isCompatTag(null) === false);
-      assert(t.react.isCompatTag() === false);
-      assert(t.react.isCompatTag(undefined) === false);
-      assert(t.react.isCompatTag("") === false);
+      expect(t.react.isCompatTag(null)).toBe(false);
+      expect(t.react.isCompatTag()).toBe(false);
+      expect(t.react.isCompatTag(undefined)).toBe(false);
+      expect(t.react.isCompatTag("")).toBe(false);
     });
 
     it("rejects tag names starting with an uppercase letter", function() {
-      assert(t.react.isCompatTag("Div") === false);
-      assert(t.react.isCompatTag("A") === false);
-      assert(t.react.isCompatTag("H3") === false);
+      expect(t.react.isCompatTag("Div")).toBe(false);
+      expect(t.react.isCompatTag("A")).toBe(false);
+      expect(t.react.isCompatTag("H3")).toBe(false);
     });
 
     it("rejects all uppercase tag names", function() {
-      assert(t.react.isCompatTag("DIV") === false);
-      assert(t.react.isCompatTag("A") === false);
-      assert(t.react.isCompatTag("H3") === false);
+      expect(t.react.isCompatTag("DIV")).toBe(false);
+      expect(t.react.isCompatTag("A")).toBe(false);
+      expect(t.react.isCompatTag("H3")).toBe(false);
     });
 
     it("rejects leading dash '-'", function() {
-      assert(t.react.isCompatTag("-div") === false);
-      assert(t.react.isCompatTag("-a") === false);
-      assert(t.react.isCompatTag("-h3") === false);
+      expect(t.react.isCompatTag("-div")).toBe(false);
+      expect(t.react.isCompatTag("-a")).toBe(false);
+      expect(t.react.isCompatTag("-h3")).toBe(false);
     });
   });
 
-  suite("patterns", function() {
+  describe("patterns", function() {
     it("allows nested pattern structures", function() {
       const pattern = t.objectPattern([
         t.objectProperty(
@@ -93,7 +92,7 @@ suite("validators", function() {
         ),
       ]);
 
-      assert(t.isNodesEquivalent(pattern, pattern) === true);
+      expect(t.isNodesEquivalent(pattern, pattern)).toBe(true);
     });
   });
 });
diff --git a/scripts/_get-test-directories.sh b/scripts/_get-test-directories.sh
deleted file mode 100755
index be33ede24e83..000000000000
--- a/scripts/_get-test-directories.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-set -e
-
-TEST_DIRS=""
-
-sources=("codemods" "packages")
-
-for source in "${sources[@]}"; do
-  for f in $source/*; do
-    if [ -n "$TEST_ONLY" ] && [[ `basename $f` != *"$TEST_ONLY"* ]]; then
-      continue
-    fi
-    # Exclude babel-standalone from coverage runs
-    if [ "$TEST_TYPE" = "cov" ] && [[ `basename $f` = 'babel-standalone' || `basename $f` = 'babel-preset-env-standalone' ]]; then
-      continue
-    fi
-
-    if [ -d "$f/test" ]; then
-      TEST_DIRS="$f/test $TEST_DIRS"
-    fi
-  done
-done
-
-echo $TEST_DIRS
diff --git a/scripts/test-cov.sh b/scripts/test-cov.sh
index 50f9f4f022c6..6555cbddc2b1 100755
--- a/scripts/test-cov.sh
+++ b/scripts/test-cov.sh
@@ -1,6 +1,10 @@
 #!/bin/bash
 set -e
 
-testDirs=`TEST_TYPE=cov scripts/_get-test-directories.sh`
-node_modules/.bin/nyc node_modules/mocha/bin/_mocha --opts test/mocha.opts $testDirs
-node_modules/.bin/nyc report --reporter=json
+jestArgs="--coverage"
+
+if [ -n "$CI" ]; then
+  jestArgs="${jestArgs} --runInBand --ci"
+fi
+
+node_modules/.bin/jest $jestArgs
diff --git a/scripts/test.sh b/scripts/test.sh
index 33c6a63c56be..6c2d7bda0608 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -6,9 +6,15 @@ if [ -z "$TEST_GREP" ]; then
 fi
 
 node="node"
+jestArgs=""
 
 if [ "$TEST_DEBUG" ]; then
-   node="node --inspect-brk"
+  node="node --inspect-brk"
+  jestArgs="${jestArgs} --runInBand"
 fi
 
-$node node_modules/mocha/bin/_mocha `scripts/_get-test-directories.sh` --opts test/mocha.opts --grep "$TEST_GREP"
+if [ -n "$CI" ]; then
+  jestArgs="${jestArgs} --runInBand --ci"
+fi
+
+$node node_modules/.bin/jest $jestArgs "$TEST_GREP"
diff --git a/test/mocha.opts b/test/mocha.opts
deleted file mode 100644
index 939595b1b1d7..000000000000
--- a/test/mocha.opts
+++ /dev/null
@@ -1 +0,0 @@
---reporter dot --ui tdd --timeout 10000 --compilers js:@babel/register
diff --git a/test/testSetupFile.js b/test/testSetupFile.js
new file mode 100644
index 000000000000..b5062b854254
--- /dev/null
+++ b/test/testSetupFile.js
@@ -0,0 +1 @@
+jest.setTimeout(10000);
diff --git a/yarn.lock b/yarn.lock
index c060986b8af3..0a6226578e28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -17,23 +17,7 @@
   optionalDependencies:
     chokidar "^1.6.1"
 
-"@babel/code-frame@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.36.tgz#2349d7ec04b3a06945ae173280ef8579b63728e4"
-  dependencies:
-    chalk "^2.0.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
-
-"@babel/code-frame@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.38.tgz#c0af5930617e55e050336838e3a3670983b0b2b2"
-  dependencies:
-    chalk "^2.0.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
-
-"@babel/code-frame@7.0.0-beta.40":
+"@babel/code-frame@7.0.0-beta.40", "@babel/code-frame@^7.0.0-beta.35", "@babel/code-frame@^7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.40.tgz#37e2b0cf7c56026b4b21d3927cadf81adec32ac6"
   dependencies:
@@ -58,16 +42,6 @@
     resolve "^1.3.2"
     source-map "^0.5.0"
 
-"@babel/generator@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.38.tgz#6115a66663e3adfd1d6844029ffb2354680182eb"
-  dependencies:
-    "@babel/types" "7.0.0-beta.38"
-    jsesc "^2.5.1"
-    lodash "^4.2.0"
-    source-map "^0.5.0"
-    trim-right "^1.0.1"
-
 "@babel/generator@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.40.tgz#ab61f9556f4f71dbd1138949c795bb9a21e302ea"
@@ -114,22 +88,6 @@
     "@babel/traverse" "7.0.0-beta.40"
     "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-function-name@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.36.tgz#366e3bc35147721b69009f803907c4d53212e88d"
-  dependencies:
-    "@babel/helper-get-function-arity" "7.0.0-beta.36"
-    "@babel/template" "7.0.0-beta.36"
-    "@babel/types" "7.0.0-beta.36"
-
-"@babel/helper-function-name@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.38.tgz#dc6e74930efc7b0236b5ba72a633d34c778ba015"
-  dependencies:
-    "@babel/helper-get-function-arity" "7.0.0-beta.38"
-    "@babel/template" "7.0.0-beta.38"
-    "@babel/types" "7.0.0-beta.38"
-
 "@babel/helper-function-name@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.40.tgz#9d033341ab16517f40d43a73f2d81fc431ccd7b6"
@@ -138,18 +96,6 @@
     "@babel/template" "7.0.0-beta.40"
     "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-get-function-arity@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.36.tgz#f5383bac9a96b274828b10d98900e84ee43e32b8"
-  dependencies:
-    "@babel/types" "7.0.0-beta.36"
-
-"@babel/helper-get-function-arity@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.38.tgz#5c27de7641ac31da6e947dcc8009bd31282d9d84"
-  dependencies:
-    "@babel/types" "7.0.0-beta.38"
-
 "@babel/helper-get-function-arity@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.40.tgz#ac0419cf067b0ec16453e1274f03878195791c6e"
@@ -162,6 +108,13 @@
   dependencies:
     "@babel/types" "7.0.0-beta.40"
 
+"@babel/helper-module-imports@7.0.0-beta.35":
+  version "7.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.35.tgz#308e350e731752cdb4d0f058df1d704925c64e0a"
+  dependencies:
+    "@babel/types" "7.0.0-beta.35"
+    lodash "^4.2.0"
+
 "@babel/helper-module-imports@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.40.tgz#251cbb6404599282e8f7356a5b32c9381bef5d2d"
@@ -672,24 +625,6 @@
     pirates "^3.0.1"
     source-map-support "^0.4.2"
 
-"@babel/template@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.36.tgz#02e903de5d68bd7899bce3c5b5447e59529abb00"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.36"
-    "@babel/types" "7.0.0-beta.36"
-    babylon "7.0.0-beta.36"
-    lodash "^4.2.0"
-
-"@babel/template@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.38.tgz#8a2d403a01da320beb8333dc6403500fa79e8597"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.38"
-    "@babel/types" "7.0.0-beta.38"
-    babylon "7.0.0-beta.38"
-    lodash "^4.2.0"
-
 "@babel/template@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.40.tgz#034988c6424eb5c3268fe6a608626de1f4410fc8"
@@ -699,20 +634,7 @@
     babylon "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/traverse@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.36.tgz#1dc6f8750e89b6b979de5fe44aa993b1a2192261"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.36"
-    "@babel/helper-function-name" "7.0.0-beta.36"
-    "@babel/types" "7.0.0-beta.36"
-    babylon "7.0.0-beta.36"
-    debug "^3.0.1"
-    globals "^11.1.0"
-    invariant "^2.2.0"
-    lodash "^4.2.0"
-
-"@babel/traverse@7.0.0-beta.40":
+"@babel/traverse@7.0.0-beta.40", "@babel/traverse@^7.0.0-beta.31", "@babel/traverse@^7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.40.tgz#d140e449b2e093ef9fe1a2eecc28421ffb4e521e"
   dependencies:
@@ -726,37 +648,15 @@
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-"@babel/traverse@^7.0.0-beta.31":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.38.tgz#56462b91753dd5c6faf36e56a77c64077ddb85b8"
-  dependencies:
-    "@babel/code-frame" "7.0.0-beta.38"
-    "@babel/generator" "7.0.0-beta.38"
-    "@babel/helper-function-name" "7.0.0-beta.38"
-    "@babel/types" "7.0.0-beta.38"
-    babylon "7.0.0-beta.38"
-    debug "^3.0.1"
-    globals "^11.1.0"
-    invariant "^2.2.0"
-    lodash "^4.2.0"
-
-"@babel/types@7.0.0-beta.36":
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.36.tgz#64f2004353de42adb72f9ebb4665fc35b5499d23"
-  dependencies:
-    esutils "^2.0.2"
-    lodash "^4.2.0"
-    to-fast-properties "^2.0.0"
-
-"@babel/types@7.0.0-beta.38":
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.38.tgz#2ce2443f7dc6ad535a67db4940cbd34e64035a6f"
+"@babel/types@7.0.0-beta.35":
+  version "7.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.35.tgz#cf933a9a9a38484ca724b335b88d83726d5ab960"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@babel/types@7.0.0-beta.40":
+"@babel/types@7.0.0-beta.40", "@babel/types@^7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.40.tgz#25c3d7aae14126abe05fcb098c65a66b6d6b8c14"
   dependencies:
@@ -798,20 +698,20 @@
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.35.tgz#8999974b34028686a8d61a719e61c138d3755107"
 
 "@types/lodash@^4.14.67":
-  version "4.14.92"
-  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.92.tgz#6e3cb0b71a1e12180a47a42a744e856c3ae99a57"
+  version "4.14.104"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.104.tgz#53ee2357fa2e6e68379341d92eb2ecea4b11bb80"
 
 "@types/node@*":
-  version "9.3.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.3.0.tgz#3a129cda7c4e5df2409702626892cb4b96546dd5"
+  version "9.4.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.4.6.tgz#d8176d864ee48753d053783e4e463aec86b8d82e"
 
 "@types/node@^8.0.0":
-  version "8.5.9"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.9.tgz#7155cfb4ae405bca4dd8df1a214c339e939109bf"
+  version "8.9.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.9.4.tgz#dfd327582a06c114eb6e0441fa3d6fab35edad48"
 
 "@types/semver@^5.3.32":
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/@types/semver/-/semver-5.4.0.tgz#f3658535af7f1f502acd6da7daf405ffeb1f7ee4"
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@types/semver/-/semver-5.5.0.tgz#146c2a29ee7d3bae4bf2fcb274636e264c813c45"
 
 "@types/tapable@*":
   version "0.2.4"
@@ -824,12 +724,13 @@
     source-map "^0.6.1"
 
 "@types/webpack@^3.0.0":
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-3.8.3.tgz#92501a9c7e41a560aa9b354345768b7348d80764"
+  version "3.8.8"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-3.8.8.tgz#fd9483edf2d6935eaab52aa530b1f737c188cd9a"
   dependencies:
     "@types/node" "*"
     "@types/tapable" "*"
     "@types/uglify-js" "*"
+    source-map "^0.6.0"
 
 JSONStream@^1.0.3, JSONStream@^1.0.4:
   version "1.3.2"
@@ -838,6 +739,10 @@ JSONStream@^1.0.3, JSONStream@^1.0.4:
     jsonparse "^1.2.0"
     through ">=2.2.7 <3"
 
+abab@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -848,12 +753,25 @@ acorn-dynamic-import@^2.0.0:
   dependencies:
     acorn "^4.0.3"
 
+acorn-globals@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.1.0.tgz#ab716025dbe17c54d3ef81d32ece2b2d99fe2538"
+  dependencies:
+    acorn "^5.0.0"
+
 acorn-jsx@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
   dependencies:
     acorn "^3.0.4"
 
+acorn-node@^1.2.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/acorn-node/-/acorn-node-1.3.0.tgz#5f86d73346743810ef1269b901dbcbded020861b"
+  dependencies:
+    acorn "^5.4.1"
+    xtend "^4.0.1"
+
 acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
@@ -862,17 +780,17 @@ acorn@^4.0.3:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
-acorn@^5.0.0, acorn@^5.0.3, acorn@^5.2.1:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.3.0.tgz#7446d39459c54fb49a80e6ee6478149b940ec822"
+acorn@^5.0.0, acorn@^5.0.3, acorn@^5.2.1, acorn@^5.3.0, acorn@^5.4.0, acorn@^5.4.1:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.0.tgz#1abb587fbf051f94e3de20e6b26ef910b1828298"
 
 add-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/add-stream/-/add-stream-1.0.0.tgz#6a7990437ca736d5e1288db92bd3266d5f5cb2aa"
 
-ajv-keywords@^2.0.0, ajv-keywords@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
+ajv-keywords@^3.0.0, ajv-keywords@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.1.0.tgz#ac2b27939c543e95d2c06e7f7f5c27be4aa543be"
 
 ajv@^4.9.1:
   version "4.11.8"
@@ -881,7 +799,7 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^5.1.5, ajv@^5.2.3, ajv@^5.3.0:
+ajv@^5.1.0, ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
@@ -890,6 +808,14 @@ ajv@^5.1.5, ajv@^5.2.3, ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
+ajv@^6.0.1, ajv@^6.1.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.2.0.tgz#afac295bbaa0152449e522742e4547c1ae9328d2"
+  dependencies:
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -902,6 +828,12 @@ amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
 
+ansi-colors@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-1.1.0.tgz#6374b4dd5d4718ff3ce27a671a3b1cad077132a9"
+  dependencies:
+    ansi-wrap "^0.1.0"
+
 ansi-cyan@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ansi-cyan/-/ansi-cyan-0.1.1.tgz#538ae528af8982f28ae30d86f2f17456d2609873"
@@ -940,13 +872,13 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.1.0, ansi-styles@^3.2.0:
+ansi-styles@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
   dependencies:
     color-convert "^1.9.0"
 
-ansi-wrap@0.1.0:
+ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
 
@@ -961,6 +893,13 @@ anymatch@^1.3.0:
     micromatch "^2.1.5"
     normalize-path "^2.0.0"
 
+anymatch@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
+  dependencies:
+    micromatch "^3.1.4"
+    normalize-path "^2.1.1"
+
 app-root-path@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/app-root-path/-/app-root-path-2.0.1.tgz#cd62dcf8e4fd5a417efc664d2e5b10653c651b46"
@@ -987,8 +926,8 @@ are-we-there-yet@~1.1.2:
     readable-stream "^2.0.6"
 
 argparse@^1.0.7:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
   dependencies:
     sprintf-js "~1.0.2"
 
@@ -1029,6 +968,10 @@ array-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
 
+array-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-equal/-/array-equal-1.0.0.tgz#8c2a5ef2472fd9ea742b04c77a75093ba2757c93"
+
 array-filter@~0.0.0:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
@@ -1080,8 +1023,8 @@ arrify@^1.0.0, arrify@^1.0.1:
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
 asn1.js@^4.0.0:
-  version "4.9.2"
-  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.2.tgz#8117ef4f7ed87cd8f89044b5bff97ac243a16c9a"
+  version "4.10.1"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
   dependencies:
     bn.js "^4.0.0"
     inherits "^2.0.1"
@@ -1117,6 +1060,10 @@ ast-types@0.9.6:
   version "0.9.6"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.6.tgz#102c9e9e9005d3e7e3829bf0c4fa24ee862ee9b9"
 
+astral-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
+
 astw@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
@@ -1127,11 +1074,15 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
+async-limiter@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+
 async@^1.4.0, async@^1.5.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2:
+async@^2.1.2, async@^2.1.4:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
   dependencies:
@@ -1149,7 +1100,11 @@ aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
 
-aws4@^1.2.1:
+aws-sign2@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
+
+aws4@^1.2.1, aws4@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
@@ -1161,18 +1116,46 @@ babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
     esutils "^2.0.2"
     js-tokens "^3.0.2"
 
+babel-core@^6.0.0, babel-core@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.0.tgz#af32f78b31a6fcef119c87b0fd8d9753f03a0bb8"
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.0"
+    debug "^2.6.8"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.7"
+    slash "^1.0.0"
+    source-map "^0.5.6"
+
+babel-core@^7.0.0-0:
+  version "7.0.0-bridge.0"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-7.0.0-bridge.0.tgz#95a492ddd90f9b4e9a4a1da14eb335b87b634ece"
+
 babel-eslint@^8.0.1:
-  version "8.2.1"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.2.1.tgz#136888f3c109edc65376c23ebf494f36a3e03951"
+  version "8.2.2"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.2.2.tgz#1102273354c6f0b29b4ea28a65f97d122296b68b"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.36"
-    "@babel/traverse" "7.0.0-beta.36"
-    "@babel/types" "7.0.0-beta.36"
-    babylon "7.0.0-beta.36"
+    "@babel/code-frame" "^7.0.0-beta.40"
+    "@babel/traverse" "^7.0.0-beta.40"
+    "@babel/types" "^7.0.0-beta.40"
+    babylon "^7.0.0-beta.40"
     eslint-scope "~3.7.1"
     eslint-visitor-keys "^1.0.0"
 
-babel-generator@^6.18.0:
+babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.1"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
   dependencies:
@@ -1185,6 +1168,20 @@ babel-generator@^6.18.0:
     source-map "^0.5.7"
     trim-right "^1.0.1"
 
+babel-helpers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-jest@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.1.tgz#ff53ebca45957347f27ff4666a31499fbb4c4ddd"
+  dependencies:
+    babel-plugin-istanbul "^4.1.5"
+    babel-preset-jest "^22.4.1"
+
 babel-loader@8.0.0-beta.0:
   version "8.0.0-beta.0"
   resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-8.0.0-beta.0.tgz#b85c3b52d1095949125c72c7ec1fa0fbb47a11ff"
@@ -1207,6 +1204,14 @@ babel-plugin-istanbul@^4.1.5:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
+babel-plugin-jest-hoist@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz#d712fe5da8b6965f3191dacddbefdbdf4fb66d63"
+
+babel-plugin-syntax-object-rest-spread@^6.13.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+
 babel-plugin-transform-charcodes@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-charcodes/-/babel-plugin-transform-charcodes-0.1.0.tgz#c71b301019c90615b940faf0f15f275ec5c81a3d"
@@ -1214,6 +1219,25 @@ babel-plugin-transform-charcodes@^0.1.0:
     "@babel/traverse" "^7.0.0-beta.31"
     babylon "^7.0.0-beta.31"
 
+babel-preset-jest@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz#efa2e5f5334242a9457a068452d7d09735db172a"
+  dependencies:
+    babel-plugin-jest-hoist "^22.4.1"
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
+
+babel-register@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
+  dependencies:
+    babel-core "^6.26.0"
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
+    home-or-tmp "^2.0.0"
+    lodash "^4.17.4"
+    mkdirp "^0.5.1"
+    source-map-support "^0.4.15"
+
 babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
@@ -1221,7 +1245,7 @@ babel-runtime@^6.22.0, babel-runtime@^6.26.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-babel-template@^6.16.0:
+babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
   dependencies:
@@ -1254,15 +1278,7 @@ babel-types@^6.18.0, babel-types@^6.26.0:
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
-babylon@7.0.0-beta.36:
-  version "7.0.0-beta.36"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.36.tgz#3a3683ba6a9a1e02b0aa507c8e63435e39305b9e"
-
-babylon@7.0.0-beta.38, babylon@^7.0.0-beta.31:
-  version "7.0.0-beta.38"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.38.tgz#9b3a33e571a47464a2d20cb9dd5a570f00e3f996"
-
-babylon@7.0.0-beta.40:
+babylon@7.0.0-beta.40, babylon@^7.0.0-beta.31, babylon@^7.0.0-beta.40:
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.40.tgz#91fc8cd56d5eb98b28e6fde41045f2957779940a"
 
@@ -1275,8 +1291,8 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
 base64-js@^1.0.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.3.tgz#fb13668233d9614cf5fb4bce95a9ba4096cdf801"
 
 base@^0.11.1:
   version "0.11.2"
@@ -1334,9 +1350,21 @@ boom@2.x.x:
   dependencies:
     hoek "2.x.x"
 
+boom@4.x.x:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-4.3.1.tgz#4f8a3005cb4a7e3889f749030fd25b96e01d2e31"
+  dependencies:
+    hoek "4.x.x"
+
+boom@5.x.x:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-5.2.0.tgz#5dd9da6ee3a5f302077436290cb717d3f4a54e02"
+  dependencies:
+    hoek "4.x.x"
+
 brace-expansion@^1.0.0, brace-expansion@^1.1.7:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
   dependencies:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
@@ -1349,9 +1377,9 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
-braces@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.0.tgz#a46941cb5fb492156b3d6a656e06c35364e3e66e"
+braces@^2.3.0, braces@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.1.tgz#7086c913b4e5a08dbe37ac0ee6a2500c4ba691bb"
   dependencies:
     arr-flatten "^1.1.0"
     array-unique "^0.3.2"
@@ -1359,6 +1387,7 @@ braces@^2.3.0:
     extend-shallow "^2.0.1"
     fill-range "^4.0.0"
     isobject "^3.0.1"
+    kind-of "^6.0.2"
     repeat-element "^1.1.2"
     snapdragon "^0.8.1"
     snapdragon-node "^2.0.1"
@@ -1380,8 +1409,8 @@ browser-pack@^5.0.1:
     umd "^3.0.0"
 
 browser-pack@^6.0.1:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.3.tgz#91ca96518583ef580ab063a309de62e407767a39"
+  version "6.0.4"
+  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.4.tgz#9a73beb3b48f9e36868be007b64400102c04a99f"
   dependencies:
     JSONStream "^1.0.3"
     combine-source-map "~0.8.0"
@@ -1390,16 +1419,16 @@ browser-pack@^6.0.1:
     through2 "^2.0.0"
     umd "^3.0.0"
 
-browser-resolve@^1.11.0, browser-resolve@^1.7.0:
+browser-process-hrtime@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz#425d68a58d3447f02a04aa894187fce8af8b7b8e"
+
+browser-resolve@^1.11.0, browser-resolve@^1.11.2, browser-resolve@^1.7.0:
   version "1.11.2"
   resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
   dependencies:
     resolve "1.1.7"
 
-browser-stdout@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
-
 browser-unpack@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browser-unpack/-/browser-unpack-1.2.0.tgz#357aee31fc467831684d063e4355e070a782970d"
@@ -1526,6 +1555,12 @@ browserslist@^3.0.0:
     caniuse-lite "^1.0.30000809"
     electron-to-chromium "^1.3.33"
 
+bser@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/bser/-/bser-2.0.0.tgz#9ac78d3ed5d915804fd87acb158bc797147a1719"
+  dependencies:
+    node-int64 "^0.4.0"
+
 buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@@ -1579,14 +1614,6 @@ cached-path-relative@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
 
-caching-transform@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/caching-transform/-/caching-transform-1.0.1.tgz#6dbdb2f20f8d8fbce79f3e94e9d1742dcdf5c0a1"
-  dependencies:
-    md5-hex "^1.2.0"
-    mkdirp "^0.5.1"
-    write-file-atomic "^1.1.4"
-
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -1597,6 +1624,10 @@ callsites@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
 
+callsites@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
+
 camel-case@3.0.x:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-3.0.0.tgz#ca3c3688a4e9cf3a4cda777dc4dcbc713249cf73"
@@ -1611,6 +1642,14 @@ camelcase-keys@^2.0.0:
     camelcase "^2.0.0"
     map-obj "^1.0.0"
 
+camelcase-keys@^4.0.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-4.2.0.tgz#a2aa5fb1af688758259c32c141426d78923b9b77"
+  dependencies:
+    camelcase "^4.1.0"
+    map-obj "^2.0.0"
+    quick-lru "^1.0.0"
+
 camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
@@ -1664,12 +1703,12 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     supports-color "^2.0.0"
 
 chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
   dependencies:
-    ansi-styles "^3.1.0"
+    ansi-styles "^3.2.0"
     escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
+    supports-color "^5.2.0"
 
 charcodes@^0.1.0:
   version "0.1.0"
@@ -1694,7 +1733,7 @@ cheerio@^1.0.0-rc.1:
     lodash "^4.15.0"
     parse5 "^3.0.1"
 
-chokidar@^1.6.1, chokidar@^1.7.0:
+chokidar@^1.6.1:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -1709,6 +1748,24 @@ chokidar@^1.6.1, chokidar@^1.7.0:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chokidar@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.0.2.tgz#4dc65139eeb2714977735b6a35d06e97b494dfd7"
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.0"
+    braces "^2.3.0"
+    glob-parent "^3.1.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^2.1.1"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+    upath "^1.0.0"
+  optionalDependencies:
+    fsevents "^1.0.0"
+
 ci-info@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.2.tgz#03561259db48d0474c8bdc90f5b47b068b6bbfb4"
@@ -1892,9 +1949,9 @@ combine-source-map@~0.8.0:
     lodash.memoize "~3.0.3"
     source-map "~0.5.3"
 
-combined-stream@^1.0.5, combined-stream@~1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
+combined-stream@1.0.6, combined-stream@^1.0.5, combined-stream@~1.0.5:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   dependencies:
     delayed-stream "~1.0.0"
 
@@ -1902,19 +1959,9 @@ command-join@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/command-join/-/command-join-2.0.0.tgz#52e8b984f4872d952ff1bdc8b98397d27c7144cf"
 
-commander@2.12.x:
-  version "2.12.2"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.12.2.tgz#0f5946c427ed9ec0d91a46bb9def53e54650e555"
-
-commander@2.9.0:
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
-  dependencies:
-    graceful-readlink ">= 1.0.0"
-
-commander@^2.11.0, commander@^2.8.1, commander@^2.9.0, commander@~2.13.0:
-  version "2.13.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
+commander@2.14.x, commander@^2.11.0, commander@^2.8.1, commander@^2.9.0, commander@~2.14.1:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
 
 commondir@^1.0.1:
   version "1.0.1"
@@ -1965,70 +2012,74 @@ constants-browserify@^1.0.0, constants-browserify@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
 
-conventional-changelog-angular@^1.5.2:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-angular/-/conventional-changelog-angular-1.6.0.tgz#0a26a071f2c9fcfcf2b86ba0cfbf6e6301b75bfa"
+content-type-parser@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/content-type-parser/-/content-type-parser-1.0.2.tgz#caabe80623e63638b2502fd4c7f12ff4ce2352e7"
+
+conventional-changelog-angular@^1.6.6:
+  version "1.6.6"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-angular/-/conventional-changelog-angular-1.6.6.tgz#b27f2b315c16d0a1f23eb181309d0e6a4698ea0f"
   dependencies:
     compare-func "^1.3.1"
-    q "^1.4.1"
+    q "^1.5.1"
 
-conventional-changelog-atom@^0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-atom/-/conventional-changelog-atom-0.1.2.tgz#12595ad5267a6937c34cf900281b1c65198a4c63"
+conventional-changelog-atom@^0.2.4:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-atom/-/conventional-changelog-atom-0.2.4.tgz#4917759947f4db86073f9d3838a2d54302d5843d"
   dependencies:
-    q "^1.4.1"
+    q "^1.5.1"
 
 conventional-changelog-cli@^1.3.1:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-cli/-/conventional-changelog-cli-1.3.5.tgz#46c51496216b7406588883defa6fac589e9bb31e"
+  version "1.3.15"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-cli/-/conventional-changelog-cli-1.3.15.tgz#cd7f0e64473f1cecee902ee5ee00548ea91bcc9e"
   dependencies:
     add-stream "^1.0.0"
-    conventional-changelog "^1.1.7"
-    lodash "^4.1.0"
-    meow "^3.7.0"
+    conventional-changelog "^1.1.17"
+    lodash "^4.2.1"
+    meow "^4.0.0"
     tempfile "^1.1.1"
 
-conventional-changelog-codemirror@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-codemirror/-/conventional-changelog-codemirror-0.2.1.tgz#299a4f7147baf350e6c8158fc54954a291c5cc09"
+conventional-changelog-codemirror@^0.3.4:
+  version "0.3.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-codemirror/-/conventional-changelog-codemirror-0.3.4.tgz#debc43991d487d7964e65087fbbe034044bd51fb"
   dependencies:
-    q "^1.4.1"
+    q "^1.5.1"
 
-conventional-changelog-core@^1.9.3:
-  version "1.9.5"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-core/-/conventional-changelog-core-1.9.5.tgz#5db7566dad7c0cb75daf47fbb2976f7bf9928c1d"
+conventional-changelog-core@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-core/-/conventional-changelog-core-2.0.5.tgz#45b6347c4c6512e1f163f7ff55c9f5bcb88fd990"
   dependencies:
-    conventional-changelog-writer "^2.0.3"
-    conventional-commits-parser "^2.1.0"
-    dateformat "^1.0.12"
+    conventional-changelog-writer "^3.0.4"
+    conventional-commits-parser "^2.1.5"
+    dateformat "^3.0.0"
     get-pkg-repo "^1.0.0"
-    git-raw-commits "^1.3.0"
+    git-raw-commits "^1.3.4"
     git-remote-origin-url "^2.0.0"
-    git-semver-tags "^1.2.3"
-    lodash "^4.0.0"
+    git-semver-tags "^1.3.4"
+    lodash "^4.2.1"
     normalize-package-data "^2.3.5"
-    q "^1.4.1"
+    q "^1.5.1"
     read-pkg "^1.1.0"
     read-pkg-up "^1.0.1"
     through2 "^2.0.0"
 
-conventional-changelog-ember@^0.2.9:
-  version "0.2.10"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-ember/-/conventional-changelog-ember-0.2.10.tgz#dcd6e4cdc2e6c2b58653cf4d2cb1656a60421929"
+conventional-changelog-ember@^0.3.6:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-ember/-/conventional-changelog-ember-0.3.6.tgz#f3825d7434168f3d9211b5532dc1d5769532b668"
   dependencies:
-    q "^1.4.1"
+    q "^1.5.1"
 
-conventional-changelog-eslint@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-eslint/-/conventional-changelog-eslint-0.2.1.tgz#2c2a11beb216f80649ba72834180293b687c0662"
+conventional-changelog-eslint@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-eslint/-/conventional-changelog-eslint-1.0.4.tgz#333456d1884d96f3a49cc0984a745095e9d56288"
   dependencies:
-    q "^1.4.1"
+    q "^1.5.1"
 
-conventional-changelog-express@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-express/-/conventional-changelog-express-0.2.1.tgz#838d9e1e6c9099703b150b9c19aa2d781742bd6c"
+conventional-changelog-express@^0.3.4:
+  version "0.3.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-express/-/conventional-changelog-express-0.3.4.tgz#812a9cf778677e12f978ac9c40d85297c0bfcca9"
   dependencies:
-    q "^1.4.1"
+    q "^1.5.1"
 
 conventional-changelog-jquery@^0.1.0:
   version "0.1.0"
@@ -2042,75 +2093,80 @@ conventional-changelog-jscs@^0.1.0:
   dependencies:
     q "^1.4.1"
 
-conventional-changelog-jshint@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-jshint/-/conventional-changelog-jshint-0.2.1.tgz#86139bb3ac99899f2b177e9617e09b37d99bcf3a"
+conventional-changelog-jshint@^0.3.4:
+  version "0.3.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-jshint/-/conventional-changelog-jshint-0.3.4.tgz#b2de33cd0870d9af804ac6a4fded0ee25b69c9bb"
   dependencies:
     compare-func "^1.3.1"
-    q "^1.4.1"
+    q "^1.5.1"
 
-conventional-changelog-writer@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-writer/-/conventional-changelog-writer-2.0.3.tgz#073b0c39f1cc8fc0fd9b1566e93833f51489c81c"
+conventional-changelog-preset-loader@^1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-preset-loader/-/conventional-changelog-preset-loader-1.1.6.tgz#b29af6332f9313857be36427623c9016bfeeaf33"
+
+conventional-changelog-writer@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-writer/-/conventional-changelog-writer-3.0.4.tgz#705b46a8b8277bd7fd79cad8032095b5d803864c"
   dependencies:
     compare-func "^1.3.1"
-    conventional-commits-filter "^1.1.1"
-    dateformat "^1.0.11"
+    conventional-commits-filter "^1.1.5"
+    dateformat "^3.0.0"
     handlebars "^4.0.2"
     json-stringify-safe "^5.0.1"
-    lodash "^4.0.0"
-    meow "^3.3.0"
-    semver "^5.0.1"
+    lodash "^4.2.1"
+    meow "^4.0.0"
+    semver "^5.5.0"
     split "^1.0.0"
     through2 "^2.0.0"
 
-conventional-changelog@^1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/conventional-changelog/-/conventional-changelog-1.1.7.tgz#9151a62b1d8edb2d82711dabf5b7cf71041f82b1"
-  dependencies:
-    conventional-changelog-angular "^1.5.2"
-    conventional-changelog-atom "^0.1.2"
-    conventional-changelog-codemirror "^0.2.1"
-    conventional-changelog-core "^1.9.3"
-    conventional-changelog-ember "^0.2.9"
-    conventional-changelog-eslint "^0.2.1"
-    conventional-changelog-express "^0.2.1"
+conventional-changelog@^1.1.17:
+  version "1.1.17"
+  resolved "https://registry.yarnpkg.com/conventional-changelog/-/conventional-changelog-1.1.17.tgz#9019503d51328d8b33b0be6d425ab7f065918332"
+  dependencies:
+    conventional-changelog-angular "^1.6.6"
+    conventional-changelog-atom "^0.2.4"
+    conventional-changelog-codemirror "^0.3.4"
+    conventional-changelog-core "^2.0.5"
+    conventional-changelog-ember "^0.3.6"
+    conventional-changelog-eslint "^1.0.4"
+    conventional-changelog-express "^0.3.4"
     conventional-changelog-jquery "^0.1.0"
     conventional-changelog-jscs "^0.1.0"
-    conventional-changelog-jshint "^0.2.1"
+    conventional-changelog-jshint "^0.3.4"
+    conventional-changelog-preset-loader "^1.1.6"
 
-conventional-commits-filter@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/conventional-commits-filter/-/conventional-commits-filter-1.1.1.tgz#72172319c0c88328a015b30686b55527b3a5e54a"
+conventional-commits-filter@^1.1.1, conventional-commits-filter@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/conventional-commits-filter/-/conventional-commits-filter-1.1.5.tgz#77aac065e3de9c1a74b801e8e25c9affb3184f65"
   dependencies:
     is-subset "^0.1.1"
     modify-values "^1.0.0"
 
-conventional-commits-parser@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/conventional-commits-parser/-/conventional-commits-parser-2.1.0.tgz#9b4b7c91124bf2a1a9a2cc1c72760d382cbbb229"
+conventional-commits-parser@^2.1.1, conventional-commits-parser@^2.1.5:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/conventional-commits-parser/-/conventional-commits-parser-2.1.5.tgz#9ac3a4ab221c0c3c9e9dd2c09ae01e6d1e1dabe0"
   dependencies:
     JSONStream "^1.0.4"
     is-text-path "^1.0.0"
     lodash "^4.2.1"
-    meow "^3.3.0"
+    meow "^4.0.0"
     split2 "^2.0.0"
     through2 "^2.0.0"
     trim-off-newlines "^1.0.0"
 
 conventional-recommended-bump@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/conventional-recommended-bump/-/conventional-recommended-bump-1.1.0.tgz#964d4fcc70fb5259d41fa9b39d3df6afdb87d253"
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/conventional-recommended-bump/-/conventional-recommended-bump-1.2.1.tgz#1b7137efb5091f99fe009e2fe9ddb7cc490e9375"
   dependencies:
     concat-stream "^1.4.10"
     conventional-commits-filter "^1.1.1"
-    conventional-commits-parser "^2.1.0"
+    conventional-commits-parser "^2.1.1"
     git-raw-commits "^1.3.0"
-    git-semver-tags "^1.2.3"
+    git-semver-tags "^1.3.0"
     meow "^3.3.0"
     object-assign "^4.0.1"
 
-convert-source-map@^1.1.0, convert-source-map@^1.3.0:
+convert-source-map@^1.1.0, convert-source-map@^1.4.0, convert-source-map@^1.5.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
@@ -2122,7 +2178,7 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
-core-js@^2.4.0, core-js@^2.5.3:
+core-js@^2.4.0, core-js@^2.5.0, core-js@^2.5.3:
   version "2.5.3"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
 
@@ -2166,13 +2222,6 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-spawn@^4:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
-  dependencies:
-    lru-cache "^4.0.1"
-    which "^1.2.9"
-
 cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -2187,6 +2236,12 @@ cryptiles@2.x.x:
   dependencies:
     boom "2.x.x"
 
+cryptiles@3.x.x:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-3.1.2.tgz#a89fbb220f5ce25ec56e8c4aa8a4fd7b5b0d29fe"
+  dependencies:
+    boom "5.x.x"
+
 crypto-browserify@^3.0.0, crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -2216,6 +2271,16 @@ css-what@2.1:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
 
+cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.2.tgz#b8036170c79f07a90ff2f16e22284027a243848b"
+
+"cssstyle@>= 0.2.37 < 0.3.0":
+  version "0.2.37"
+  resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-0.2.37.tgz#541097234cb2513c83ceed3acddc27ff27987d54"
+  dependencies:
+    cssom "0.3.x"
+
 currently-unhandled@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
@@ -2248,26 +2313,13 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
-dateformat@^1.0.11, dateformat@^1.0.12:
-  version "1.0.12"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
-  dependencies:
-    get-stdin "^4.0.1"
-    meow "^3.3.0"
-
 dateformat@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.2.0.tgz#4065e2013cf9fb916ddfd82efb506ad4c6769062"
 
-debug-log@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
-
-debug@2.6.8:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
-  dependencies:
-    ms "2.0.0"
+dateformat@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
 
 debug@^2.2.0, debug@^2.3.3, debug@^2.6.8:
   version "2.6.9"
@@ -2281,7 +2333,14 @@ debug@^3.0.0, debug@^3.0.1, debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+decamelize-keys@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/decamelize-keys/-/decamelize-keys-1.1.0.tgz#d171a87933252807eb3cb61dc1c1445d078df2d9"
+  dependencies:
+    decamelize "^1.1.0"
+    map-obj "^1.0.0"
+
+decamelize@^1.0.0, decamelize@^1.1.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -2338,6 +2397,13 @@ define-property@^1.0.0:
   dependencies:
     is-descriptor "^1.0.0"
 
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
 defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
@@ -2410,6 +2476,10 @@ detect-libc@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
 
+detect-newline@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
+
 detective@^4.0.0:
   version "4.7.1"
   resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
@@ -2417,9 +2487,9 @@ detective@^4.0.0:
     acorn "^5.2.1"
     defined "^1.0.0"
 
-diff@3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
+diff@^3.2.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
 
 diffie-hellman@^5.0.0:
   version "5.0.2"
@@ -2429,7 +2499,7 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
-doctrine@^2.0.2:
+doctrine@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
   dependencies:
@@ -2442,7 +2512,11 @@ dom-serializer@0, dom-serializer@~0.1.0:
     domelementtype "~1.1.1"
     entities "~1.1.1"
 
-domain-browser@^1.1.1, domain-browser@~1.1.0:
+domain-browser@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
+
+domain-browser@~1.1.0:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
 
@@ -2454,6 +2528,12 @@ domelementtype@~1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
 
+domexception@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.1.tgz#937442644ca6a31261ef36e3ec677fe805582c90"
+  dependencies:
+    webidl-conversions "^4.0.2"
+
 domhandler@^2.3.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.1.tgz#892e47000a99be55bbf3774ffea0561d8879c259"
@@ -2468,8 +2548,8 @@ domutils@1.5.1:
     domelementtype "1"
 
 domutils@^1.5.1:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.6.2.tgz#1958cc0b4c9426e9ed367fb1c8e854891b0fa3ff"
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.7.0.tgz#56ea341e834e06e6748af7a1cb25da67ea9f8c2a"
   dependencies:
     dom-serializer "0"
     domelementtype "1"
@@ -2503,8 +2583,8 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
 
 electron-to-chromium@^1.3.33:
-  version "1.3.33"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.33.tgz#bf00703d62a7c65238136578c352d6c5c042a545"
+  version "1.3.34"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.34.tgz#d93498f40391bb0c16a603d8241b9951404157ed"
 
 elegant-spinner@^1.0.1:
   version "1.0.1"
@@ -2558,8 +2638,8 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
 errno@^0.1.3:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.6.tgz#c386ce8a6283f14fc09563b71560908c9bf53026"
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
   dependencies:
     prr "~1.0.1"
 
@@ -2569,7 +2649,7 @@ error-ex@^1.2.0, error-ex@^1.3.1:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.4.3:
+es-abstract@^1.4.3, es-abstract@^1.5.1:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
   dependencies:
@@ -2588,8 +2668,8 @@ es-to-primitive@^1.1.1:
     is-symbol "^1.0.1"
 
 es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
-  version "0.10.38"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.38.tgz#fa7d40d65bbc9bb8a67e1d3f9cc656a00530eed3"
+  version "0.10.39"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.39.tgz#fca21b67559277ca4ac1a1ed7048b107b6f76d87"
   dependencies:
     es6-iterator "~2.0.3"
     es6-symbol "~3.1.1"
@@ -2646,10 +2726,21 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
-escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
+escodegen@^1.9.0:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.9.1.tgz#dbae17ef96c8e4bedb1356f4504fa4cc2f7cb7e2"
+  dependencies:
+    esprima "^3.1.3"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.6.1"
+
 escope@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
@@ -2664,14 +2755,14 @@ eslint-config-babel@^7.0.2:
   resolved "https://registry.yarnpkg.com/eslint-config-babel/-/eslint-config-babel-7.0.2.tgz#cbde74f61cee087d8cd6e607fcfa087869a02d99"
 
 eslint-plugin-flowtype@^2.20.0:
-  version "2.41.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.41.0.tgz#fd5221c60ba917c059d7ef69686a99cca09fd871"
+  version "2.46.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.46.1.tgz#c4f81d580cd89c82bc3a85a1ccf4ae3a915143a4"
   dependencies:
     lodash "^4.15.0"
 
 eslint-plugin-prettier@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.5.0.tgz#39a91dd7528eaf19cd42c0ee3f2c1f684606a05f"
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.6.0.tgz#33e4e228bdb06142d03c560ce04ec23f6c767dd7"
   dependencies:
     fast-diff "^1.1.1"
     jest-docblock "^21.0.0"
@@ -2688,8 +2779,8 @@ eslint-visitor-keys@^1.0.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
 eslint@^4.5.0:
-  version "4.15.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.15.0.tgz#89ab38c12713eec3d13afac14e4a89e75ef08145"
+  version "4.18.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.1.tgz#b9138440cb1e98b2f44a0d578c6ecf8eae6150b0"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -2697,7 +2788,7 @@ eslint@^4.5.0:
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
     debug "^3.1.0"
-    doctrine "^2.0.2"
+    doctrine "^2.1.0"
     eslint-scope "^3.7.1"
     eslint-visitor-keys "^1.0.0"
     espree "^3.5.2"
@@ -2730,20 +2821,20 @@ eslint@^4.5.0:
     text-table "~0.2.0"
 
 espree@^3.5.2:
-  version "3.5.2"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.2.tgz#756ada8b979e9dcfcdb30aad8d1a9304a905e1ca"
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.3.tgz#931e0af64e7fbbed26b050a29daad1fc64799fa6"
   dependencies:
-    acorn "^5.2.1"
+    acorn "^5.4.0"
     acorn-jsx "^3.0.0"
 
+esprima@^3.1.3, esprima@~3.1.0:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
+
 esprima@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
 
-esprima@~3.1.0:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
-
 esquery@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
@@ -2751,19 +2842,18 @@ esquery@^1.0.0:
     estraverse "^4.0.0"
 
 esrecurse@^4.1.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.0.tgz#fa9568d98d3823f9a41d91e902dcab9ea6e5b163"
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.1.tgz#007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf"
   dependencies:
     estraverse "^4.1.0"
-    object-assign "^4.0.1"
 
-estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
-estree-walker@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+estree-walker@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.3.1.tgz#e6b1a51cf7292524e7237c312e5fe6660c1ce1aa"
 
 esutils@^2.0.2:
   version "2.0.2"
@@ -2787,6 +2877,12 @@ evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
     md5.js "^1.3.4"
     safe-buffer "^5.1.1"
 
+exec-sh@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/exec-sh/-/exec-sh-0.2.1.tgz#163b98a6e89e6b65b47c2a28d215bc1f63989c38"
+  dependencies:
+    merge "^1.1.3"
+
 execa@^0.6.3:
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/execa/-/execa-0.6.3.tgz#57b69a594f081759c69e5370f0d17b9cb11658fe"
@@ -2827,6 +2923,10 @@ exit-hook@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
 
+exit@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"
+
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -2857,6 +2957,17 @@ expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   dependencies:
     homedir-polyfill "^1.0.1"
 
+expect@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.0.tgz#371edf1ae15b83b5bf5ec34b42f1584660a36c16"
+  dependencies:
+    ansi-styles "^3.2.0"
+    jest-diff "^22.4.0"
+    jest-get-type "^22.1.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-regex-util "^22.1.0"
+
 extend-shallow@^1.1.2:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-1.1.4.tgz#19d6bf94dfc09d76ba711f39b872d21ff4dd9071"
@@ -2869,14 +2980,14 @@ extend-shallow@^2.0.1:
   dependencies:
     is-extendable "^0.1.0"
 
-extend-shallow@^3.0.0:
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
   dependencies:
     assign-symbols "^1.0.0"
     is-extendable "^1.0.1"
 
-extend@^3.0.0, extend@~3.0.0:
+extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
@@ -2894,7 +3005,7 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
-extglob@^2.0.2:
+extglob@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
   dependencies:
@@ -2933,8 +3044,8 @@ fancy-log@^1.1.0, fancy-log@^1.3.2:
     time-stamp "^1.0.0"
 
 fast-deep-equal@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
 
 fast-diff@^1.1.1:
   version "1.1.2"
@@ -2952,6 +3063,12 @@ fastparse@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.1.tgz#d1e2643b38a94d7583b479060e6c4affc94071f8"
 
+fb-watchman@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fb-watchman/-/fb-watchman-2.0.0.tgz#54e9abf7dfa2f26cd9b1636c588c1afc05de5d58"
+  dependencies:
+    bser "^2.0.0"
+
 figures@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
@@ -2976,6 +3093,13 @@ filename-regex@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
 
+fileset@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/fileset/-/fileset-2.0.3.tgz#8e7548a96d3cc2327ee5e674168723a333bba2a0"
+  dependencies:
+    glob "^7.0.3"
+    minimatch "^3.0.3"
+
 fill-range@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
@@ -2995,14 +3119,6 @@ fill-range@^4.0.0:
     repeat-string "^1.6.1"
     to-regex-range "^2.1.0"
 
-find-cache-dir@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
-  dependencies:
-    commondir "^1.0.1"
-    mkdirp "^0.5.1"
-    pkg-dir "^1.0.0"
-
 find-cache-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
@@ -3098,13 +3214,6 @@ foreach@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
 
-foreground-child@^1.5.3, foreground-child@^1.5.6:
-  version "1.5.6"
-  resolved "https://registry.yarnpkg.com/foreground-child/-/foreground-child-1.5.6.tgz#4fd71ad2dfde96789b980a5c0a295937cb2f5ce9"
-  dependencies:
-    cross-spawn "^4"
-    signal-exit "^3.0.0"
-
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -3117,6 +3226,14 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+form-data@~2.3.1:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.2.tgz#4970498be604c20c005d4f5c23aecd21d6b49099"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "1.0.6"
+    mime-types "^2.1.12"
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -3139,7 +3256,7 @@ fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
 
-fsevents@^1.0.0:
+fsevents@^1.0.0, fsevents@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.1.3.tgz#11f82318f5fe7bb2cd22965a108e9306208216d8"
   dependencies:
@@ -3234,13 +3351,13 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
-git-raw-commits@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/git-raw-commits/-/git-raw-commits-1.3.0.tgz#0bc8596e90d5ffe736f7f5546bd2d12f73abaac6"
+git-raw-commits@^1.3.0, git-raw-commits@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/git-raw-commits/-/git-raw-commits-1.3.4.tgz#442c3df5985b4f5689e9e43597f5194736aac001"
   dependencies:
     dargs "^4.0.1"
     lodash.template "^4.0.2"
-    meow "^3.3.0"
+    meow "^4.0.0"
     split2 "^2.0.0"
     through2 "^2.0.0"
 
@@ -3251,12 +3368,12 @@ git-remote-origin-url@^2.0.0:
     gitconfiglocal "^1.0.0"
     pify "^2.3.0"
 
-git-semver-tags@^1.2.3:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/git-semver-tags/-/git-semver-tags-1.2.3.tgz#188b453882bf9d7a23afd31baba537dab7388d5d"
+git-semver-tags@^1.3.0, git-semver-tags@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/git-semver-tags/-/git-semver-tags-1.3.4.tgz#2ceb2a355c6d7514c123c35e297067d08caf3a92"
   dependencies:
-    meow "^3.3.0"
-    semver "^5.0.1"
+    meow "^4.0.0"
+    semver "^5.5.0"
 
 gitconfiglocal@^1.0.0:
   version "1.0.0"
@@ -3277,7 +3394,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob-parent@^3.0.1:
+glob-parent@^3.0.1, glob-parent@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
   dependencies:
@@ -3307,17 +3424,6 @@ glob2base@^0.0.12:
   dependencies:
     find-index "^0.1.1"
 
-glob@7.1.1:
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.2"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
 glob@^4.3.1:
   version "4.5.3"
   resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
@@ -3327,7 +3433,7 @@ glob@^4.3.1:
     minimatch "^2.0.1"
     once "^1.3.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.0, glob@^7.1.2:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.0, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -3365,8 +3471,8 @@ global-prefix@^1.0.1:
     which "^1.2.14"
 
 globals@^11.0.1, globals@^11.1.0:
-  version "11.1.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-11.1.0.tgz#632644457f5f0e3ae711807183700ebf2e4633e4"
+  version "11.3.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.3.0.tgz#e04fdb7b9796d8adac9c8f64c14837b2313378b0"
 
 globals@^9.18.0:
   version "9.18.0"
@@ -3402,8 +3508,8 @@ globule@~0.1.0:
     minimatch "~0.2.11"
 
 glogg@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.0.tgz#7fe0f199f57ac906cf512feead8f90ee4a284fc5"
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.1.tgz#dcf758e44789cc3f3d32c1f3562a3676e6a34810"
   dependencies:
     sparkles "^1.0.0"
 
@@ -3421,20 +3527,16 @@ graceful-fs@~1.2.0:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
 
-"graceful-readlink@>= 1.0.0":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
-
-growl@1.9.2:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
+growly@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
 gulp-babel@^8.0.0-beta.0:
-  version "8.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-8.0.0-beta.0.tgz#91f84414fec6920619fca58a8d8d62171ccf8ccf"
+  version "8.0.0-beta.1"
+  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-8.0.0-beta.1.tgz#0c90f3e667b5133277b596de9e1599c7955e84b7"
   dependencies:
-    gulp-util "^3.0.0"
-    replace-ext "0.0.1"
+    plugin-error "^1.0.1"
+    replace-ext "^1.0.0"
     through2 "^2.0.0"
     vinyl-sourcemaps-apply "^0.2.0"
 
@@ -3555,6 +3657,10 @@ har-schema@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
 
+har-schema@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
+
 har-validator@~4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-4.2.1.tgz#33481d0f1bbff600dd203d75812a6a5fba002e2a"
@@ -3562,6 +3668,13 @@ har-validator@~4.2.1:
     ajv "^4.9.1"
     har-schema "^1.0.5"
 
+har-validator@~5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.0.3.tgz#ba402c266194f15956ef15e0fcf242993f6a7dfd"
+  dependencies:
+    ajv "^5.1.0"
+    har-schema "^2.0.0"
+
 has-ansi@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
@@ -3576,6 +3689,10 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+
 has-gulplog@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/has-gulplog/-/has-gulplog-0.1.0.tgz#6414c82913697da51590397dafb12f22967811ce"
@@ -3648,7 +3765,16 @@ hawk@3.1.3, hawk@~3.1.3:
     hoek "2.x.x"
     sntp "1.x.x"
 
-he@1.1.1, he@1.1.x:
+hawk@~6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/hawk/-/hawk-6.0.2.tgz#af4d914eb065f9b5ce4d9d11c1cb2126eecc3038"
+  dependencies:
+    boom "4.x.x"
+    cryptiles "3.x.x"
+    hoek "4.x.x"
+    sntp "2.x.x"
+
+he@1.1.x:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
 
@@ -3664,6 +3790,17 @@ hoek@2.x.x:
   version "2.16.3"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-2.16.3.tgz#20bb7403d3cea398e91dc4710a8ff1b8274a25ed"
 
+hoek@4.x.x:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
+
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
 home-or-tmp@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-3.0.0.tgz#57a8fe24cf33cdd524860a15821ddc25c86671fb"
@@ -3678,6 +3815,12 @@ hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
 
+html-encoding-sniffer@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz#e70d84b94da53aa375e11fe3a351be6642ca46f8"
+  dependencies:
+    whatwg-encoding "^1.0.1"
+
 html-loader@^0.4.5:
   version "0.4.5"
   resolved "https://registry.yarnpkg.com/html-loader/-/html-loader-0.4.5.tgz#5fbcd87cd63a5c49a7fce2fe56f425e05729c68c"
@@ -3689,12 +3832,12 @@ html-loader@^0.4.5:
     object-assign "^4.1.0"
 
 html-minifier@^3.0.1:
-  version "3.5.8"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.8.tgz#5ccdb1f73a0d654e6090147511f6e6b2ee312700"
+  version "3.5.9"
+  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.9.tgz#74424014b872598d4bb0e20ac420926ec61024b6"
   dependencies:
     camel-case "3.0.x"
     clean-css "4.1.x"
-    commander "2.12.x"
+    commander "2.14.x"
     he "1.1.x"
     ncname "1.0.x"
     param-case "2.1.x"
@@ -3724,6 +3867,14 @@ http-signature@~1.1.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+http-signature@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
+  dependencies:
+    assert-plus "^1.0.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
 https-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
@@ -3740,7 +3891,7 @@ husky@^0.14.3:
     normalize-path "^1.0.0"
     strip-indent "^2.0.0"
 
-iconv-lite@^0.4.17, iconv-lite@~0.4.13:
+iconv-lite@0.4.19, iconv-lite@^0.4.17, iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
@@ -3752,6 +3903,13 @@ ignore@^3.3.3:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
 
+import-local@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-1.0.0.tgz#5e4ffdc03f4fe6c009c6729beb29631c2f8227bc"
+  dependencies:
+    pkg-dir "^2.0.0"
+    resolve-cwd "^2.0.0"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -3825,8 +3983,8 @@ inquirer@^3.0.6:
     through "^2.3.6"
 
 insert-module-globals@^7.0.0:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.1.tgz#c03bf4e01cb086d5b5e5ace8ad0afe7889d638c3"
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.2.tgz#012c56baa7d3307a8b417d4ec5270cf9741c18f4"
   dependencies:
     JSONStream "^1.0.3"
     combine-source-map "~0.7.1"
@@ -3841,13 +3999,7 @@ interpret@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
-invariant@^2.2.0:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
-  dependencies:
-    loose-envify "^1.0.0"
-
-invariant@^2.2.2:
+invariant@^2.2.0, invariant@^2.2.2:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.3.tgz#1a827dfde7dcbd7c323f0ca826be8fa7c5e9d688"
   dependencies:
@@ -3930,7 +4082,7 @@ is-descriptor@^0.1.0:
     is-data-descriptor "^0.1.4"
     kind-of "^5.0.0"
 
-is-descriptor@^1.0.0:
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
   dependencies:
@@ -3986,6 +4138,10 @@ is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
 
+is-generator-fn@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-1.0.0.tgz#969d49e1bb3329f6bb7f09089be26578b2ddd46a"
+
 is-glob@^2.0.0, is-glob@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
@@ -4020,6 +4176,10 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+
 is-obj@^1.0.0, is-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
@@ -4030,11 +4190,11 @@ is-observable@^0.2.0:
   dependencies:
     symbol-observable "^0.2.2"
 
-is-odd@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-odd/-/is-odd-1.0.0.tgz#3b8a932eb028b3775c39bb09e91767accdb69088"
+is-odd@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-odd/-/is-odd-2.0.0.tgz#7646624671fd7ea558ccd9a2795182f2958f1b24"
   dependencies:
-    is-number "^3.0.0"
+    is-number "^4.0.0"
 
 is-path-cwd@^1.0.0:
   version "1.0.0"
@@ -4091,8 +4251,8 @@ is-relative@^1.0.0:
     is-unc-path "^1.0.0"
 
 is-resolvable@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.1.tgz#acca1cd36dbe44b974b924321555a70ba03b1cf4"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
 
 is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
@@ -4126,9 +4286,9 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
-is-windows@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.1.tgz#310db70f742d259a16a369202b51af84233310d9"
+is-windows@^1.0.1, is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
 
 isarray@0.0.1, isarray@~0.0.1:
   version "0.0.1"
@@ -4156,6 +4316,22 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
+istanbul-api@^1.1.14:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.2.2.tgz#e17cd519dd5ec4141197f246fdf380b75487f3b1"
+  dependencies:
+    async "^2.1.4"
+    fileset "^2.0.2"
+    istanbul-lib-coverage "^1.1.2"
+    istanbul-lib-hook "^1.1.0"
+    istanbul-lib-instrument "^1.9.2"
+    istanbul-lib-report "^1.1.3"
+    istanbul-lib-source-maps "^1.2.3"
+    istanbul-reports "^1.1.4"
+    js-yaml "^3.7.0"
+    mkdirp "^0.5.1"
+    once "^1.4.0"
+
 istanbul-lib-coverage@^1.1.1, istanbul-lib-coverage@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.2.tgz#4113c8ff6b7a40a1ef7350b01016331f63afde14"
@@ -4166,7 +4342,7 @@ istanbul-lib-hook@^1.1.0:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.7.5:
+istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0, istanbul-lib-instrument@^1.9.2:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.2.tgz#84905bf47f7e0b401d6b840da7bad67086b4aab6"
   dependencies:
@@ -4178,51 +4354,275 @@ istanbul-lib-instrument@^1.7.5:
     istanbul-lib-coverage "^1.1.2"
     semver "^5.3.0"
 
-istanbul-lib-instrument@^1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.1.tgz#250b30b3531e5d3251299fdd64b0b2c9db6b558e"
-  dependencies:
-    babel-generator "^6.18.0"
-    babel-template "^6.16.0"
-    babel-traverse "^6.18.0"
-    babel-types "^6.18.0"
-    babylon "^6.18.0"
-    istanbul-lib-coverage "^1.1.1"
-    semver "^5.3.0"
-
-istanbul-lib-report@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.2.tgz#922be27c13b9511b979bd1587359f69798c1d425"
+istanbul-lib-report@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.3.tgz#2df12188c0fa77990c0d2176d2d0ba3394188259"
   dependencies:
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.1.2"
     mkdirp "^0.5.1"
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.2.tgz#750578602435f28a0c04ee6d7d9e0f2960e62c1c"
+istanbul-lib-source-maps@^1.2.1, istanbul-lib-source-maps@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.3.tgz#20fb54b14e14b3fb6edb6aca3571fd2143db44e6"
   dependencies:
     debug "^3.1.0"
-    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-coverage "^1.1.2"
     mkdirp "^0.5.1"
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.3.tgz#3b9e1e8defb6d18b1d425da8e8b32c5a163f2d10"
+istanbul-reports@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.4.tgz#5ccba5e22b7b5a5d91d5e0a830f89be334bf97bd"
   dependencies:
     handlebars "^4.0.3"
 
+jest-changed-files@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.2.0.tgz#517610c4a8ca0925bdc88b0ca53bd678aa8d019e"
+  dependencies:
+    throat "^4.0.0"
+
+jest-cli@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.2.tgz#e6546dc651e13d164481aa3e76e53ac4f4edab06"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.1"
+    exit "^0.1.2"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    import-local "^1.0.0"
+    is-ci "^1.0.10"
+    istanbul-api "^1.1.14"
+    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-instrument "^1.8.0"
+    istanbul-lib-source-maps "^1.2.1"
+    jest-changed-files "^22.2.0"
+    jest-config "^22.4.2"
+    jest-environment-jsdom "^22.4.1"
+    jest-get-type "^22.1.0"
+    jest-haste-map "^22.4.2"
+    jest-message-util "^22.4.0"
+    jest-regex-util "^22.1.0"
+    jest-resolve-dependencies "^22.1.0"
+    jest-runner "^22.4.2"
+    jest-runtime "^22.4.2"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
+    jest-worker "^22.2.2"
+    micromatch "^2.3.11"
+    node-notifier "^5.2.1"
+    realpath-native "^1.0.0"
+    rimraf "^2.5.4"
+    slash "^1.0.0"
+    string-length "^2.0.0"
+    strip-ansi "^4.0.0"
+    which "^1.2.12"
+    yargs "^10.0.3"
+
+jest-config@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.2.tgz#580ba5819bf81a5e48f4fd470e8b81834f45c855"
+  dependencies:
+    chalk "^2.0.1"
+    glob "^7.1.1"
+    jest-environment-jsdom "^22.4.1"
+    jest-environment-node "^22.4.1"
+    jest-get-type "^22.1.0"
+    jest-jasmine2 "^22.4.2"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
+    pretty-format "^22.4.0"
+
+jest-diff@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
+  dependencies:
+    chalk "^2.0.1"
+    diff "^3.2.0"
+    jest-get-type "^22.1.0"
+    pretty-format "^22.4.0"
+
 jest-docblock@^21.0.0:
   version "21.2.0"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
 
+jest-docblock@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.0.tgz#dbf1877e2550070cfc4d9b07a55775a0483159b8"
+  dependencies:
+    detect-newline "^2.1.0"
+
+jest-environment-jsdom@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.1.tgz#754f408872441740100d3917e5ec40c74de6447f"
+  dependencies:
+    jest-mock "^22.2.0"
+    jest-util "^22.4.1"
+    jsdom "^11.5.1"
+
+jest-environment-node@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
+  dependencies:
+    jest-mock "^22.2.0"
+    jest-util "^22.4.1"
+
 jest-get-type@^21.2.0:
   version "21.2.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-21.2.0.tgz#f6376ab9db4b60d81e39f30749c6c466f40d4a23"
 
+jest-get-type@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
+
+jest-haste-map@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.2.tgz#a90178e66146d4378bb076345a949071f3b015b4"
+  dependencies:
+    fb-watchman "^2.0.0"
+    graceful-fs "^4.1.11"
+    jest-docblock "^22.4.0"
+    jest-serializer "^22.4.0"
+    jest-worker "^22.2.2"
+    micromatch "^2.3.11"
+    sane "^2.0.0"
+
+jest-jasmine2@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.2.tgz#dfd3d259579ed6f52510d8f1ab692808f0d40691"
+  dependencies:
+    chalk "^2.0.1"
+    co "^4.6.0"
+    expect "^22.4.0"
+    graceful-fs "^4.1.11"
+    is-generator-fn "^1.0.0"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
+    source-map-support "^0.5.0"
+
+jest-leak-detector@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz#64da77f05b001c96d2062226e079f89989c4aa2f"
+  dependencies:
+    pretty-format "^22.4.0"
+
+jest-matcher-utils@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.0.tgz#d55f5faf2270462736bdf7c7485ee931c9d4b6a1"
+  dependencies:
+    chalk "^2.0.1"
+    jest-get-type "^22.1.0"
+    pretty-format "^22.4.0"
+
+jest-message-util@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.0.tgz#e3d861df16d2fee60cb2bc8feac2188a42579642"
+  dependencies:
+    "@babel/code-frame" "^7.0.0-beta.35"
+    chalk "^2.0.1"
+    micromatch "^2.3.11"
+    slash "^1.0.0"
+    stack-utils "^1.0.1"
+
+jest-mock@^22.2.0:
+  version "22.2.0"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
+
+jest-regex-util@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
+
+jest-resolve-dependencies@^22.1.0:
+  version "22.1.0"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.1.0.tgz#340e4139fb13315cd43abc054e6c06136be51e31"
+  dependencies:
+    jest-regex-util "^22.1.0"
+
+jest-resolve@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.2.tgz#25d88aa4147462c9c1c6a1ba16250d3794c24d00"
+  dependencies:
+    browser-resolve "^1.11.2"
+    chalk "^2.0.1"
+
+jest-runner@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.2.tgz#19390ea9d99f768973e16f95a1efa351c0017e87"
+  dependencies:
+    exit "^0.1.2"
+    jest-config "^22.4.2"
+    jest-docblock "^22.4.0"
+    jest-haste-map "^22.4.2"
+    jest-jasmine2 "^22.4.2"
+    jest-leak-detector "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-runtime "^22.4.2"
+    jest-util "^22.4.1"
+    jest-worker "^22.2.2"
+    throat "^4.0.0"
+
+jest-runtime@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.2.tgz#0de0444f65ce15ee4f2e0055133fc7c17b9168f3"
+  dependencies:
+    babel-core "^6.0.0"
+    babel-jest "^22.4.1"
+    babel-plugin-istanbul "^4.1.5"
+    chalk "^2.0.1"
+    convert-source-map "^1.4.0"
+    exit "^0.1.2"
+    graceful-fs "^4.1.11"
+    jest-config "^22.4.2"
+    jest-haste-map "^22.4.2"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
+    json-stable-stringify "^1.0.1"
+    micromatch "^2.3.11"
+    realpath-native "^1.0.0"
+    slash "^1.0.0"
+    strip-bom "3.0.0"
+    write-file-atomic "^2.1.0"
+    yargs "^10.0.3"
+
+jest-serializer@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-22.4.0.tgz#b5d145b98c4b0d2c20ab686609adbb81fe23b566"
+
+jest-snapshot@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.0.tgz#03d3ce63f8fa7352388afc6a3c8b5ccc3a180ed7"
+  dependencies:
+    chalk "^2.0.1"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    pretty-format "^22.4.0"
+
+jest-util@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
+  dependencies:
+    callsites "^2.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.11"
+    is-ci "^1.0.10"
+    jest-message-util "^22.4.0"
+    mkdirp "^0.5.1"
+    source-map "^0.6.0"
+
 jest-validate@^21.1.0:
   version "21.2.1"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-21.2.1.tgz#cc0cbca653cd54937ba4f2a111796774530dd3c7"
@@ -4232,11 +4632,34 @@ jest-validate@^21.1.0:
     leven "^2.1.0"
     pretty-format "^21.2.1"
 
+jest-validate@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
+  dependencies:
+    chalk "^2.0.1"
+    jest-config "^22.4.2"
+    jest-get-type "^22.1.0"
+    leven "^2.1.0"
+    pretty-format "^22.4.0"
+
+jest-worker@^22.2.2:
+  version "22.2.2"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
+  dependencies:
+    merge-stream "^1.0.1"
+
+jest@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.2.tgz#34012834a49bf1bdd3bc783850ab44e4499afc20"
+  dependencies:
+    import-local "^1.0.0"
+    jest-cli "^22.4.2"
+
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.9.0, js-yaml@^3.9.1:
+js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
   dependencies:
@@ -4247,6 +4670,37 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
+jsdom@^11.5.1:
+  version "11.6.2"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.6.2.tgz#25d1ef332d48adf77fc5221fe2619967923f16bb"
+  dependencies:
+    abab "^1.0.4"
+    acorn "^5.3.0"
+    acorn-globals "^4.1.0"
+    array-equal "^1.0.0"
+    browser-process-hrtime "^0.1.2"
+    content-type-parser "^1.0.2"
+    cssom ">= 0.3.2 < 0.4.0"
+    cssstyle ">= 0.2.37 < 0.3.0"
+    domexception "^1.0.0"
+    escodegen "^1.9.0"
+    html-encoding-sniffer "^1.0.2"
+    left-pad "^1.2.0"
+    nwmatcher "^1.4.3"
+    parse5 "4.0.0"
+    pn "^1.1.0"
+    request "^2.83.0"
+    request-promise-native "^1.0.5"
+    sax "^1.2.4"
+    symbol-tree "^3.2.2"
+    tough-cookie "^2.3.3"
+    w3c-hr-time "^1.0.1"
+    webidl-conversions "^4.0.2"
+    whatwg-encoding "^1.0.3"
+    whatwg-url "^6.4.0"
+    ws "^4.0.0"
+    xml-name-validator "^3.0.0"
+
 jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
@@ -4295,10 +4749,6 @@ json-stringify-safe@^5.0.1, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-json3@3.3.2:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
-
 json5@^0.5.0, json5@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
@@ -4346,7 +4796,7 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
-kind-of@^5.0.0, kind-of@^5.0.2:
+kind-of@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
 
@@ -4378,6 +4828,10 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+left-pad@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.2.0.tgz#d30a73c6b8201d8f7d8e7956ba9616087a68e0ee"
+
 lerna-changelog@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/lerna-changelog/-/lerna-changelog-0.5.0.tgz#1617a8193a1309451ffa1e686b425faf0424b3f8"
@@ -4461,8 +4915,8 @@ liftoff@^2.1.0:
     resolve "^1.1.7"
 
 lint-staged@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-6.0.1.tgz#855f2993ab4a265430e2fd9828427e648d65e6b4"
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-6.1.1.tgz#cd08c4d9b8ccc2d37198d1c47ce77d22be6cf324"
   dependencies:
     app-root-path "^2.0.0"
     chalk "^2.1.0"
@@ -4482,7 +4936,7 @@ lint-staged@^6.0.1:
     p-map "^1.1.1"
     path-is-inside "^1.0.2"
     pify "^3.0.0"
-    staged-git-files "0.0.4"
+    staged-git-files "1.0.0"
     stringify-object "^3.2.0"
 
 listr-silent-renderer@^1.1.1:
@@ -4552,6 +5006,15 @@ load-json-file@^2.0.0:
     pify "^2.0.0"
     strip-bom "^3.0.0"
 
+load-json-file@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+    strip-bom "^3.0.0"
+
 loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
@@ -4571,21 +5034,10 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
-lodash._baseassign@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
-  dependencies:
-    lodash._basecopy "^3.0.0"
-    lodash.keys "^3.0.0"
-
 lodash._basecopy@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
 
-lodash._basecreate@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz#1bc661614daa7fc311b7d03bf16806a0213cf821"
-
 lodash._basetostring@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz#d1861d877f824a52f669832dcaf3ee15566a07d5"
@@ -4622,14 +5074,6 @@ lodash.clone@^4.3.2:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clone/-/lodash.clone-4.5.0.tgz#195870450f5a13192478df4bc3d23d2dea1907b6"
 
-lodash.create@3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
-  dependencies:
-    lodash._baseassign "^3.0.0"
-    lodash._basecreate "^3.0.0"
-    lodash._isiterateecall "^3.0.0"
-
 lodash.escape@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash.escape/-/lodash.escape-3.2.0.tgz#995ee0dc18c1b48cc92effae71a10aab5b487698"
@@ -4664,6 +5108,10 @@ lodash.some@^4.2.2:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.some/-/lodash.some-4.6.0.tgz#1bb9f314ef6b8baded13b549169b2a945eb68e4d"
 
+lodash.sortby@^4.7.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
+
 lodash.template@^3.0.0:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-3.6.2.tgz#f8cdecc6169a255be9098ae8b0c53d378931d14f"
@@ -4698,11 +5146,7 @@ lodash.templatesettings@^4.0.0:
   dependencies:
     lodash._reinterpolate "~3.0.0"
 
-lodash@^4.0.0, lodash@^4.1.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.17.4:
+lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
@@ -4762,8 +5206,8 @@ lru-cache@^4.0.1:
     yallist "^2.1.2"
 
 make-dir@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.1.0.tgz#19b4369fe48c116f53c2af95ad102c0e39e85d51"
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.2.0.tgz#6d6a49eead4aae296c53bbf3a1a008bd6c89469b"
   dependencies:
     pify "^3.0.0"
 
@@ -4774,8 +5218,8 @@ make-error-cause@^1.1.1:
     make-error "^1.2.0"
 
 make-error@^1.2.0:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.2.tgz#8762ffad2444dd8ff1f7c819629fa28e24fea1c4"
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.4.tgz#19978ed575f9e9545d2ff8c13e33b5d18a67d535"
 
 make-iterator@^1.0.0:
   version "1.0.0"
@@ -4783,6 +5227,12 @@ make-iterator@^1.0.0:
   dependencies:
     kind-of "^3.1.0"
 
+makeerror@1.0.x:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.11.tgz#e01a5c9109f2af79660e4e8b9587790184f5a96c"
+  dependencies:
+    tmpl "1.0.x"
+
 map-cache@^0.2.0, map-cache@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
@@ -4791,22 +5241,16 @@ map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
 
+map-obj@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-2.0.0.tgz#a65cd29087a92598b8791257a523e021222ac1f9"
+
 map-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
   dependencies:
     object-visit "^1.0.0"
 
-md5-hex@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/md5-hex/-/md5-hex-1.3.0.tgz#d2c4afe983c4370662179b8cad145219135046c4"
-  dependencies:
-    md5-o-matic "^0.1.1"
-
-md5-o-matic@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/md5-o-matic/-/md5-o-matic-0.1.1.tgz#822bccd65e117c514fab176b25945d54100a03c3"
-
 md5.js@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"
@@ -4827,7 +5271,7 @@ memory-fs@^0.4.0, memory-fs@^0.4.1, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-meow@^3.3.0, meow@^3.7.0:
+meow@^3.3.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
   dependencies:
@@ -4842,11 +5286,19 @@ meow@^3.3.0, meow@^3.7.0:
     redent "^1.0.0"
     trim-newlines "^1.0.0"
 
-merge-source-map@^1.0.2:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/merge-source-map/-/merge-source-map-1.1.0.tgz#2fdde7e6020939f70906a68f2d7ae685e4c8c646"
+meow@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-4.0.0.tgz#fd5855dd008db5b92c552082db1c307cba20b29d"
   dependencies:
-    source-map "^0.6.1"
+    camelcase-keys "^4.0.0"
+    decamelize-keys "^1.0.0"
+    loud-rejection "^1.0.0"
+    minimist "^1.1.3"
+    minimist-options "^3.0.1"
+    normalize-package-data "^2.3.4"
+    read-pkg-up "^3.0.0"
+    redent "^2.0.0"
+    trim-newlines "^2.0.0"
 
 merge-stream@^1.0.1:
   version "1.0.1"
@@ -4854,6 +5306,10 @@ merge-stream@^1.0.1:
   dependencies:
     readable-stream "^2.0.1"
 
+merge@^1.1.3:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
+
 micromatch@^2.1.5, micromatch@^2.3.11:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
@@ -4872,19 +5328,19 @@ micromatch@^2.1.5, micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.0.4:
-  version "3.1.5"
-  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.5.tgz#d05e168c206472dfbca985bfef4f57797b4cd4ba"
+micromatch@^3.0.4, micromatch@^3.1.4:
+  version "3.1.9"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.9.tgz#15dc93175ae39e52e93087847096effc73efcf89"
   dependencies:
     arr-diff "^4.0.0"
     array-unique "^0.3.2"
-    braces "^2.3.0"
-    define-property "^1.0.0"
-    extend-shallow "^2.0.1"
-    extglob "^2.0.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
     fragment-cache "^0.2.1"
-    kind-of "^6.0.0"
-    nanomatch "^1.2.5"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
     object.pick "^1.3.0"
     regex-not "^1.0.0"
     snapdragon "^0.8.1"
@@ -4897,19 +5353,19 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-mime-db@~1.30.0:
-  version "1.30.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
+mime-db@~1.33.0:
+  version "1.33.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
 
-mime-types@^2.1.12, mime-types@~2.1.7:
-  version "2.1.17"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.17.tgz#09d7a393f03e995a79f8af857b70a9e0ab16557a"
+mime-types@^2.1.12, mime-types@~2.1.17, mime-types@~2.1.7:
+  version "2.1.18"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
   dependencies:
-    mime-db "~1.30.0"
+    mime-db "~1.33.0"
 
 mimic-fn@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
 
 minimalistic-assert@^1.0.0:
   version "1.0.0"
@@ -4925,7 +5381,7 @@ minimatch@^2.0.1:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
+minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
@@ -4938,6 +5394,13 @@ minimatch@~0.2.11:
     lru-cache "2"
     sigmund "~1.0.0"
 
+minimist-options@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-3.0.2.tgz#fba4c8191339e13ecf4d61beb03f070103f3d954"
+  dependencies:
+    arrify "^1.0.1"
+    is-plain-obj "^1.1.0"
+
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
@@ -4955,35 +5418,18 @@ minimist@~0.0.1:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
 mixin-deep@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.0.tgz#47a8732ba97799457c8c1eca28f95132d7e8150a"
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
   dependencies:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
+"mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
-mocha@^3.0.0:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.5.3.tgz#1e0480fe36d2da5858d1eb6acc38418b26eaa20d"
-  dependencies:
-    browser-stdout "1.3.0"
-    commander "2.9.0"
-    debug "2.6.8"
-    diff "3.2.0"
-    escape-string-regexp "1.0.5"
-    glob "7.1.1"
-    growl "1.9.2"
-    he "1.1.1"
-    json3 "3.3.2"
-    lodash.create "3.1.1"
-    mkdirp "0.5.1"
-    supports-color "3.1.2"
-
 modify-values@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/modify-values/-/modify-values-1.0.0.tgz#e2b6cdeb9ce19f99317a53722f3dbf5df5eaaab2"
@@ -5036,20 +5482,21 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
 nan@^2.3.0:
-  version "2.8.0"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
+  version "2.9.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.9.2.tgz#f564d75f5f8f36a6d9456cca7a6c4fe488ab7866"
 
-nanomatch@^1.2.5:
-  version "1.2.7"
-  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.7.tgz#53cd4aa109ff68b7f869591fdc9d10daeeea3e79"
+nanomatch@^1.2.9:
+  version "1.2.9"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.9.tgz#879f7150cb2dab7a471259066c104eee6e0fa7c2"
   dependencies:
     arr-diff "^4.0.0"
     array-unique "^0.3.2"
-    define-property "^1.0.0"
-    extend-shallow "^2.0.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
     fragment-cache "^0.2.1"
-    is-odd "^1.0.0"
-    kind-of "^5.0.2"
+    is-odd "^2.0.0"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
     object.pick "^1.3.0"
     regex-not "^1.0.0"
     snapdragon "^0.8.1"
@@ -5069,6 +5516,10 @@ ncname@1.0.x:
   dependencies:
     xml-char-classes "^1.0.0"
 
+neo-async@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.0.tgz#76b1c823130cca26acfbaccc8fbaf0a2fa33b18f"
+
 no-case@^2.2.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
@@ -5082,6 +5533,10 @@ node-fetch@^1.7.0:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-int64@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
+
 node-libs-browser@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.1.0.tgz#5f94263d404f6e44767d726901fff05478d600df"
@@ -5114,6 +5569,15 @@ node-modules-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
 
+node-notifier@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/node-notifier/-/node-notifier-5.2.1.tgz#fa313dd08f5517db0e2502e5758d664ac69f9dea"
+  dependencies:
+    growly "^1.3.0"
+    semver "^5.4.1"
+    shellwords "^0.1.1"
+    which "^1.3.0"
+
 node-pre-gyp@^0.6.39:
   version "0.6.39"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.39.tgz#c00e96860b23c0e1420ac7befc5044e1d78d8649"
@@ -5150,7 +5614,7 @@ normalize-path@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-1.0.0.tgz#32d0e472f91ff345701c15a8311018d3b0a90379"
 
-normalize-path@^2.0.0, normalize-path@^2.0.1:
+normalize-path@^2.0.0, normalize-path@^2.0.1, normalize-path@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
   dependencies:
@@ -5195,39 +5659,11 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
-nyc@^11.0.3:
-  version "11.4.1"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.4.1.tgz#13fdf7e7ef22d027c61d174758f6978a68f4f5e5"
-  dependencies:
-    archy "^1.0.0"
-    arrify "^1.0.1"
-    caching-transform "^1.0.0"
-    convert-source-map "^1.3.0"
-    debug-log "^1.0.1"
-    default-require-extensions "^1.0.0"
-    find-cache-dir "^0.1.1"
-    find-up "^2.1.0"
-    foreground-child "^1.5.3"
-    glob "^7.0.6"
-    istanbul-lib-coverage "^1.1.1"
-    istanbul-lib-hook "^1.1.0"
-    istanbul-lib-instrument "^1.9.1"
-    istanbul-lib-report "^1.1.2"
-    istanbul-lib-source-maps "^1.2.2"
-    istanbul-reports "^1.1.3"
-    md5-hex "^1.2.0"
-    merge-source-map "^1.0.2"
-    micromatch "^2.3.11"
-    mkdirp "^0.5.0"
-    resolve-from "^2.0.0"
-    rimraf "^2.5.4"
-    signal-exit "^3.0.1"
-    spawn-wrap "^1.4.2"
-    test-exclude "^4.1.1"
-    yargs "^10.0.3"
-    yargs-parser "^8.0.0"
+nwmatcher@^1.4.3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.3.tgz#64348e3b3d80f035b40ac11563d278f8b72db89c"
 
-oauth-sign@~0.8.1:
+oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
@@ -5266,6 +5702,13 @@ object.defaults@^1.1.0:
     for-own "^1.0.0"
     isobject "^3.0.0"
 
+object.getownpropertydescriptors@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.1"
+
 object.map@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object.map/-/object.map-1.0.1.tgz#cf83e59dc8fcc0ad5f4250e1f78b3b81bd801d37"
@@ -5315,7 +5758,7 @@ optimist@^0.6.1:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
 
-optionator@^0.8.2:
+optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
   dependencies:
@@ -5355,7 +5798,7 @@ os-browserify@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.1.2.tgz#49ca0293e0b19590a5f5de10c7f265a617d8fe54"
 
-os-homedir@^1.0.0, os-homedir@^1.0.1:
+os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
@@ -5373,20 +5816,20 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
 osenv@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.4.tgz#42fe6d5953df06c8064be6f176c3d05aaaa34644"
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
   dependencies:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
 output-file-sync@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-2.0.0.tgz#5d348a1a1eaed1ad168648a01a2d6d13078ce987"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-2.0.1.tgz#f53118282f5f553c2799541792b723a4c71430c0"
   dependencies:
     graceful-fs "^4.1.11"
     is-plain-obj "^1.1.0"
@@ -5484,6 +5927,10 @@ parse-passwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
 
+parse5@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
+
 parse5@^3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-3.0.3.tgz#042f792ffdd36851551cf4e9e066b3874ab45b5c"
@@ -5556,6 +6003,12 @@ path-type@^2.0.0:
   dependencies:
     pify "^2.0.0"
 
+path-type@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
+  dependencies:
+    pify "^3.0.0"
+
 pathval@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
@@ -5574,6 +6027,10 @@ performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
 
+performance-now@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -5598,12 +6055,6 @@ pirates@^3.0.1:
   dependencies:
     node-modules-regexp "^1.0.0"
 
-pkg-dir@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
-  dependencies:
-    find-up "^1.0.0"
-
 pkg-dir@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
@@ -5620,10 +6071,23 @@ plugin-error@^0.1.2:
     arr-union "^2.0.1"
     extend-shallow "^1.1.2"
 
+plugin-error@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/plugin-error/-/plugin-error-1.0.1.tgz#77016bd8919d0ac377fdcdd0322328953ca5781c"
+  dependencies:
+    ansi-colors "^1.0.1"
+    arr-diff "^4.0.0"
+    arr-union "^3.1.0"
+    extend-shallow "^3.0.2"
+
 pluralize@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
 
+pn@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/pn/-/pn-1.1.0.tgz#e2f4cef0e219f463c179ab37463e4e1ecdccbafb"
+
 posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
@@ -5647,11 +6111,18 @@ pretty-format@^21.2.1:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
+pretty-format@^22.4.0:
+  version "22.4.0"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.0.tgz#237b1f7e1c50ed03bc65c03ccc29d7c8bb7beb94"
+  dependencies:
+    ansi-regex "^3.0.0"
+    ansi-styles "^3.2.0"
+
 pretty-hrtime@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
 
-private@^0.1.6, private@~0.1.5:
+private@^0.1.6, private@^0.1.7, private@~0.1.5:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -5659,6 +6130,10 @@ process-nextick-args@^1.0.6, process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
 process@^0.11.10, process@~0.11.0:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -5704,7 +6179,11 @@ punycode@^1.2.4, punycode@^1.3.2, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
-q@^1.4.1:
+punycode@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+
+q@^1.4.1, q@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
 
@@ -5712,6 +6191,10 @@ qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
+qs@~6.5.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+
 querystring-es3@^0.2.0, querystring-es3@~0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
@@ -5720,6 +6203,10 @@ querystring@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
 
+quick-lru@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/quick-lru/-/quick-lru-1.1.0.tgz#4360b17c61136ad38078397ff11416e186dcfbb8"
+
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -5734,15 +6221,15 @@ randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
     safe-buffer "^5.1.0"
 
 randomfill@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.3.tgz#b96b7df587f01dd91726c418f30553b1418e3d62"
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.4.tgz#c92196fc86ab42be983f1bf31778224931d61458"
   dependencies:
     randombytes "^2.0.5"
     safe-buffer "^5.1.0"
 
 rc@^1.1.7:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.4.tgz#a0f606caae2a3b862bbd0ef85482c0125b315fa3"
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.5.tgz#275cd687f6e3b36cc756baa26dfee80a790301fd"
   dependencies:
     deep-extend "~0.4.0"
     ini "~1.3.0"
@@ -5775,6 +6262,13 @@ read-pkg-up@^2.0.0:
     find-up "^2.0.0"
     read-pkg "^2.0.0"
 
+read-pkg-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
+  dependencies:
+    find-up "^2.0.0"
+    read-pkg "^3.0.0"
+
 read-pkg@^1.0.0, read-pkg@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -5791,6 +6285,14 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+read-pkg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
+  dependencies:
+    load-json-file "^4.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^3.0.0"
+
 "readable-stream@>=1.0.33-1 <1.1.0-0":
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -5810,13 +6312,13 @@ read-pkg@^2.0.0:
     string_decoder "~0.10.x"
 
 readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.4.tgz#c946c3f47fa7d8eabc0b6150f4a12f69a4574071"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
     isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
+    process-nextick-args "~2.0.0"
     safe-buffer "~5.1.1"
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
@@ -5841,6 +6343,12 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
+realpath-native@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/realpath-native/-/realpath-native-1.0.0.tgz#7885721a83b43bd5327609f0ddecb2482305fdf0"
+  dependencies:
+    util.promisify "^1.0.0"
+
 recast@~0.11.12:
   version "0.11.23"
   resolved "https://registry.yarnpkg.com/recast/-/recast-0.11.23.tgz#451fd3004ab1e4df9b4e4b66376b2a21912462d3"
@@ -5863,6 +6371,13 @@ redent@^1.0.0:
     indent-string "^2.1.0"
     strip-indent "^1.0.1"
 
+redent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-2.0.0.tgz#c1b2007b42d57eb1389079b3c8333639d5e1ccaa"
+  dependencies:
+    indent-string "^3.0.0"
+    strip-indent "^2.0.0"
+
 regenerate-unicode-properties@^5.1.1:
   version "5.1.3"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-5.1.3.tgz#54f5891543468f36f2274b67c6bc4c033c27b308"
@@ -5889,11 +6404,12 @@ regex-cache@^0.4.2:
   dependencies:
     is-equal-shallow "^0.1.3"
 
-regex-not@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.0.tgz#42f83e39771622df826b02af176525d6a5f157f9"
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
   dependencies:
-    extend-shallow "^2.0.1"
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
 
 regexpu-core@^4.1.3:
   version "4.1.3"
@@ -5946,6 +6462,20 @@ replace-ext@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
 
+request-promise-core@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
+  dependencies:
+    lodash "^4.13.1"
+
+request-promise-native@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.5.tgz#5281770f68e0c9719e5163fd3fab482215f4fda5"
+  dependencies:
+    request-promise-core "1.1.1"
+    stealthy-require "^1.1.0"
+    tough-cookie ">=2.3.3"
+
 request@2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
@@ -5973,6 +6503,33 @@ request@2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
+request@^2.83.0:
+  version "2.83.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.6.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.1"
+    forever-agent "~0.6.1"
+    form-data "~2.3.1"
+    har-validator "~5.0.3"
+    hawk "~6.0.2"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.17"
+    oauth-sign "~0.8.2"
+    performance-now "^2.1.0"
+    qs "~6.5.1"
+    safe-buffer "^5.1.1"
+    stringstream "~0.0.5"
+    tough-cookie "~2.3.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.1.0"
+
 require-directory@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
@@ -5992,6 +6549,12 @@ require-uncached@^1.0.3:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
+resolve-cwd@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-2.0.0.tgz#00a9f7387556e27038eae232caa372a6a59b665a"
+  dependencies:
+    resolve-from "^3.0.0"
+
 resolve-dir@^1.0.0, resolve-dir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
@@ -6003,9 +6566,9 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve-from@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
+resolve-from@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
 
 resolve-url@^0.2.1:
   version "0.2.1"
@@ -6035,13 +6598,17 @@ restore-cursor@^2.0.0:
     onetime "^2.0.0"
     signal-exit "^3.0.2"
 
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+
 right-align@^0.1.1:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.4.3, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.4.3, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -6055,25 +6622,26 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     inherits "^2.0.1"
 
 rollup-plugin-babel@^4.0.0-beta.0:
-  version "4.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.0.0-beta.0.tgz#2fccbc30bf620bfac0cf870324248e30ba824ded"
+  version "4.0.0-beta.2"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.0.0-beta.2.tgz#abc05af4644aa52180e3fa2452f909b39b4ef145"
   dependencies:
-    rollup-pluginutils "^1.5.0"
+    "@babel/helper-module-imports" "7.0.0-beta.35"
+    rollup-pluginutils "^2.0.1"
 
 rollup-plugin-node-resolve@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.0.2.tgz#38babc12fd404cc2ba1ff68648fe43fa3ffee6b0"
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.0.3.tgz#8f57b253edd00e5b0ad0aed7b7e9cf5982e98fa4"
   dependencies:
     builtin-modules "^1.1.0"
     is-module "^1.0.0"
     resolve "^1.1.6"
 
-rollup-pluginutils@^1.5.0:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+rollup-pluginutils@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.0.1.tgz#7ec95b3573f6543a46a6461bd9a7c544525d0fc0"
   dependencies:
-    estree-walker "^0.2.1"
-    minimatch "^3.0.2"
+    estree-walker "^0.3.0"
+    micromatch "^2.3.11"
 
 rollup-stream@^1.24.1:
   version "1.24.1"
@@ -6111,7 +6679,31 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0,
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.1, semver@^5.1.0, semver@^5.3.0:
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  dependencies:
+    ret "~0.1.10"
+
+sane@^2.0.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/sane/-/sane-2.4.1.tgz#29f991208cf28636720efdc584293e7fd66663a5"
+  dependencies:
+    anymatch "^1.3.0"
+    exec-sh "^0.2.0"
+    fb-watchman "^2.0.0"
+    minimatch "^3.0.2"
+    minimist "^1.1.1"
+    walker "~1.0.5"
+    watch "~0.18.0"
+  optionalDependencies:
+    fsevents "^1.1.1"
+
+sax@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
+
+"semver@2 || 3 || 4 || 5", semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
@@ -6192,11 +6784,15 @@ shell-quote@^1.6.1:
     array-reduce "~0.0.0"
     jsonify "~0.0.0"
 
+shellwords@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
+
 sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
 
-signal-exit@^3.0.0, signal-exit@^3.0.1, signal-exit@^3.0.2:
+signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
@@ -6214,10 +6810,6 @@ slice-ansi@1.0.0:
   dependencies:
     is-fullwidth-code-point "^2.0.0"
 
-slide@^1.1.5:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/slide/-/slide-1.1.6.tgz#56eb027d65b4d2dce6cb2e2d32c4d4afc9e1d707"
-
 snapdragon-node@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
@@ -6251,6 +6843,12 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
+sntp@2.x.x:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/sntp/-/sntp-2.1.0.tgz#2c6cec14fedc2222739caf9b5c3d85d1cc5a2cc8"
+  dependencies:
+    hoek "4.x.x"
+
 sort-keys@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
@@ -6271,12 +6869,18 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.4.2:
+source-map-support@^0.4.15, source-map-support@^0.4.2:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
   dependencies:
     source-map "^0.5.6"
 
+source-map-support@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.3.tgz#2b3d5fff298cfa4d1afd7d4352d569e9a0158e76"
+  dependencies:
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -6291,7 +6895,7 @@ source-map@^0.4.4, source-map@~0.4.0, source-map@~0.4.2:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.6.1, source-map@~0.6.1:
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -6299,30 +6903,27 @@ sparkles@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.0.tgz#1acbbfb592436d10bbe8f785b7cc6f82815012c3"
 
-spawn-wrap@^1.4.2:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.4.2.tgz#cff58e73a8224617b6561abdc32586ea0c82248c"
+spdx-correct@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.0.0.tgz#05a5b4d7153a195bc92c3c425b69f3b2a9524c82"
   dependencies:
-    foreground-child "^1.5.6"
-    mkdirp "^0.5.0"
-    os-homedir "^1.0.1"
-    rimraf "^2.6.2"
-    signal-exit "^3.0.2"
-    which "^1.3.0"
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
 
-spdx-correct@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
-  dependencies:
-    spdx-license-ids "^1.0.2"
+spdx-exceptions@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.1.0.tgz#2c7ae61056c714a5b9b9b2b2af7d311ef5c78fe9"
 
-spdx-expression-parse@~1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
+spdx-expression-parse@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz#99e119b7a5da00e05491c9fa338b7904823b41d0"
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
 
-spdx-license-ids@^1.0.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+spdx-license-ids@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.0.tgz#7a7cd28470cc6d3a1cfe6d66886f6bc430d3ac87"
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -6360,9 +6961,13 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
-staged-git-files@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/staged-git-files/-/staged-git-files-0.0.4.tgz#d797e1b551ca7a639dec0237dc6eb4bb9be17d35"
+stack-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
+
+staged-git-files@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/staged-git-files/-/staged-git-files-1.0.0.tgz#cdb847837c1fcc52c08a872d4883cc0877668a80"
 
 static-extend@^0.1.1:
   version "0.1.2"
@@ -6371,6 +6976,10 @@ static-extend@^0.1.1:
     define-property "^0.2.5"
     object-copy "^0.1.0"
 
+stealthy-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
+
 stream-browserify@^2.0.0, stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -6386,8 +6995,8 @@ stream-combiner2@^1.1.1:
     readable-stream "^2.0.2"
 
 stream-consume@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.0.tgz#a41ead1a6d6081ceb79f65b061901b6d8f3d1d0f"
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
 
 stream-http@^2.0.0, stream-http@^2.7.2:
   version "2.8.0"
@@ -6418,6 +7027,13 @@ streamfilter@^1.0.5:
   dependencies:
     readable-stream "^2.0.2"
 
+string-length@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
+  dependencies:
+    astral-regex "^1.0.0"
+    strip-ansi "^4.0.0"
+
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
@@ -6452,14 +7068,14 @@ string_decoder@~0.10.0, string_decoder@~0.10.x:
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
 stringify-object@^3.2.0:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/stringify-object/-/stringify-object-3.2.1.tgz#2720c2eff940854c819f6ee252aaeb581f30624d"
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/stringify-object/-/stringify-object-3.2.2.tgz#9853052e5a88fb605a44cd27445aa257ad7ffbcd"
   dependencies:
     get-own-enumerable-property-symbols "^2.0.1"
     is-obj "^1.0.1"
     is-regexp "^1.0.0"
 
-stringstream@~0.0.4:
+stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
 
@@ -6482,6 +7098,10 @@ strip-bom-stream@^2.0.0:
     first-chunk-stream "^2.0.0"
     strip-bom "^2.0.0"
 
+strip-bom@3.0.0, strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+
 strip-bom@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
@@ -6495,10 +7115,6 @@ strip-bom@^2.0.0:
   dependencies:
     is-utf8 "^0.2.0"
 
-strip-bom@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
-
 strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
@@ -6533,12 +7149,6 @@ subarg@^1.0.0:
   dependencies:
     minimist "^1.1.0"
 
-supports-color@3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.1.2.tgz#72a262894d9d408b956ca05ff37b2ed8a6e2a2d5"
-  dependencies:
-    has-flag "^1.0.0"
-
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -6549,12 +7159,18 @@ supports-color@^3.1.2:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.2.1:
+supports-color@^4.2.1:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
   dependencies:
     has-flag "^2.0.0"
 
+supports-color@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.2.0.tgz#b0d5333b1184dd3666cbe5aa0b45c5ac7ac17a4a"
+  dependencies:
+    has-flag "^3.0.0"
+
 symbol-observable@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
@@ -6563,18 +7179,22 @@ symbol-observable@^0.2.2:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-0.2.4.tgz#95a83db26186d6af7e7a18dbd9760a2f86d08f40"
 
+symbol-tree@^3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
+
 syntax-error@^1.1.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.3.0.tgz#1ed9266c4d40be75dc55bf9bb1cb77062bb96ca1"
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"
   dependencies:
-    acorn "^4.0.3"
+    acorn-node "^1.2.0"
 
 table@^4.0.1:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
   dependencies:
-    ajv "^5.2.3"
-    ajv-keywords "^2.1.0"
+    ajv "^6.0.1"
+    ajv-keywords "^3.0.0"
     chalk "^2.1.0"
     lodash "^4.17.4"
     slice-ansi "1.0.0"
@@ -6645,6 +7265,10 @@ text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
 
+throat@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
+
 through2@^0.6.1:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
@@ -6687,8 +7311,8 @@ timers-browserify@^1.0.1:
     process "~0.11.0"
 
 timers-browserify@^2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.4.tgz#96ca53f4b794a5e7c0e1bd7cc88a372298fa01e6"
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.6.tgz#241e76927d9ca05f4d959819022f5b3664b64bae"
   dependencies:
     setimmediate "^1.0.4"
 
@@ -6698,6 +7322,10 @@ tmp@^0.0.33:
   dependencies:
     os-tmpdir "~1.0.2"
 
+tmpl@1.0.x:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
+
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
@@ -6724,23 +7352,34 @@ to-regex-range@^2.1.0:
     repeat-string "^1.6.1"
 
 to-regex@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.1.tgz#15358bee4a2c83bd76377ba1dc049d0f18837aae"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
   dependencies:
-    define-property "^0.2.5"
-    extend-shallow "^2.0.1"
-    regex-not "^1.0.0"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
 
-tough-cookie@~2.3.0:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.3.tgz#0b618a5565b6dea90bf3425d04d55edc475a7561"
+tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.0, tough-cookie@~2.3.3:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
   dependencies:
     punycode "^1.4.1"
 
+tr46@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-1.0.1.tgz#a8b13fd6bfd2489519674ccde55ba3693b706d09"
+  dependencies:
+    punycode "^2.1.0"
+
 trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
 
+trim-newlines@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-2.0.0.tgz#b403d0b91be50c331dfc4b82eeceb22c3de16d20"
+
 trim-off-newlines@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz#9f9ba9d9efa8764c387698bcbfeb2c848f11adb3"
@@ -6749,10 +7388,14 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-tty-browserify@0.0.0, tty-browserify@~0.0.0:
+tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
 
+tty-browserify@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -6770,18 +7413,18 @@ type-check@~0.3.2:
     prelude-ls "~1.1.2"
 
 type-detect@^4.0.0:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.6.tgz#88cbce3d13bc675a63f840b3225c180f870786d7"
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
 
 typedarray@^0.0.6, typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
 uglify-js@3.3.x, uglify-js@^3.0.5:
-  version "3.3.7"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.3.7.tgz#28463e7c7451f89061d2b235e30925bf5625e14d"
+  version "3.3.12"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.3.12.tgz#efd87c16a1f4c674a8a5ede571001ef634dcc883"
   dependencies:
-    commander "~2.13.0"
+    commander "~2.14.1"
     source-map "~0.6.1"
 
 uglify-js@^2.4.16, uglify-js@^2.6, uglify-js@^2.8.29:
@@ -6860,6 +7503,10 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+upath@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.0.4.tgz#ee2321ba0a786c50973db043a50b7bcba822361d"
+
 upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
@@ -6891,6 +7538,13 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
+util.promisify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
+  dependencies:
+    define-properties "^1.1.2"
+    object.getownpropertydescriptors "^2.0.3"
+
 util@0.10.3, util@^0.10.3, util@~0.10.1:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
@@ -6901,7 +7555,7 @@ uuid@^2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
 
-uuid@^3.0.0, uuid@^3.0.1:
+uuid@^3.0.0, uuid@^3.0.1, uuid@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
 
@@ -6912,11 +7566,11 @@ v8flags@^2.0.2:
     user-home "^1.1.1"
 
 validate-npm-package-license@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz#81643bcbef1bdfecd4623793dc4648948ba98338"
   dependencies:
-    spdx-correct "~1.0.0"
-    spdx-expression-parse "~1.0.0"
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
 
 verror@1.10.0:
   version "1.10.0"
@@ -7010,13 +7664,32 @@ vm-browserify@0.0.4, vm-browserify@~0.0.1:
   dependencies:
     indexof "0.0.1"
 
+w3c-hr-time@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz#82ac2bff63d950ea9e3189a58a65625fedf19045"
+  dependencies:
+    browser-process-hrtime "^0.1.2"
+
+walker@~1.0.5:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"
+  dependencies:
+    makeerror "1.0.x"
+
+watch@~0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/watch/-/watch-0.18.0.tgz#28095476c6df7c90c963138990c0a5423eb4b986"
+  dependencies:
+    exec-sh "^0.2.0"
+    minimist "^1.2.0"
+
 watchpack@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.4.0.tgz#4a1472bcbb952bd0a9bb4036801f954dfb39faac"
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.5.0.tgz#231e783af830a22f8966f65c4c4bacc814072eed"
   dependencies:
-    async "^2.1.2"
-    chokidar "^1.7.0"
+    chokidar "^2.0.2"
     graceful-fs "^4.1.2"
+    neo-async "^2.5.0"
 
 wcwidth@^1.0.0:
   version "1.0.1"
@@ -7024,6 +7697,10 @@ wcwidth@^1.0.0:
   dependencies:
     defaults "^1.0.3"
 
+webidl-conversions@^4.0.1, webidl-conversions@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
+
 webpack-dependency-suite@^2.4.4:
   version "2.4.5"
   resolved "https://registry.yarnpkg.com/webpack-dependency-suite/-/webpack-dependency-suite-2.4.5.tgz#e2d3c9a178140edb7be41de57413a31cb2f11ec0"
@@ -7056,25 +7733,27 @@ webpack-sources@^1.0.1:
     source-map "~0.6.1"
 
 webpack-stream@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/webpack-stream/-/webpack-stream-4.0.0.tgz#f3673dd907d6d9b1ea7bf51fcd1db85b5fd9e0f2"
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/webpack-stream/-/webpack-stream-4.0.2.tgz#7b90aec71d45c8a4519ff8b5a4d59e039cfd02c0"
   dependencies:
-    gulp-util "^3.0.7"
+    fancy-log "^1.3.2"
     lodash.clone "^4.3.2"
     lodash.some "^4.2.2"
     memory-fs "^0.4.1"
+    plugin-error "^1.0.1"
+    supports-color "^5.2.0"
     through "^2.3.8"
     vinyl "^2.1.0"
     webpack "^3.4.1"
 
 webpack@^3.4.1:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.10.0.tgz#5291b875078cf2abf42bdd23afe3f8f96c17d725"
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
   dependencies:
     acorn "^5.0.0"
     acorn-dynamic-import "^2.0.0"
-    ajv "^5.1.5"
-    ajv-keywords "^2.0.0"
+    ajv "^6.1.0"
+    ajv-keywords "^3.1.0"
     async "^2.1.2"
     enhanced-resolve "^3.4.0"
     escope "^3.6.0"
@@ -7094,6 +7773,20 @@ webpack@^3.4.1:
     webpack-sources "^1.0.1"
     yargs "^8.0.2"
 
+whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.3.tgz#57c235bc8657e914d24e1a397d3c82daee0a6ba3"
+  dependencies:
+    iconv-lite "0.4.19"
+
+whatwg-url@^6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.4.0.tgz#08fdf2b9e872783a7a1f6216260a1d66cc722e08"
+  dependencies:
+    lodash.sortby "^4.7.0"
+    tr46 "^1.0.0"
+    webidl-conversions "^4.0.1"
+
 which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
@@ -7102,7 +7795,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.10, which@^1.2.14, which@^1.2.9, which@^1.3.0:
+which@^1.2.10, which@^1.2.12, which@^1.2.14, which@^1.2.9, which@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies:
@@ -7141,14 +7834,6 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-write-file-atomic@^1.1.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-1.3.4.tgz#f807a4f0b1d9e913ae7a48112e6cc3af1991b45f"
-  dependencies:
-    graceful-fs "^4.1.11"
-    imurmurhash "^0.1.4"
-    slide "^1.1.5"
-
 write-file-atomic@^2.0.0, write-file-atomic@^2.1.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.3.0.tgz#1ff61575c2e2a4e8e510d6fa4e243cce183999ab"
@@ -7181,11 +7866,22 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
+ws@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-4.1.0.tgz#a979b5d7d4da68bf54efe0408967c324869a7289"
+  dependencies:
+    async-limiter "~1.0.0"
+    safe-buffer "~5.1.0"
+
 xml-char-classes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/xml-char-classes/-/xml-char-classes-1.0.0.tgz#64657848a20ffc5df583a42ad8a277b4512bbc4d"
 
-"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.1:
+xml-name-validator@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
+
+"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
@@ -7209,15 +7905,15 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
-yargs-parser@^8.0.0, yargs-parser@^8.1.0:
+yargs-parser@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.1.0.tgz#f1376a33b6629a5d063782944da732631e966950"
   dependencies:
     camelcase "^4.1.0"
 
 yargs@^10.0.3:
-  version "10.1.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.1.tgz#5fe1ea306985a099b33492001fa19a1e61efe285"
+  version "10.1.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.2.tgz#454d074c2b16a51a43e2fb7807e4f9de69ccb5c5"
   dependencies:
     cliui "^4.0.0"
     decamelize "^1.1.1"

From cc6e739f15648f23f4195498868fe2150dabc0d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Pierzcha=C5=82a?= <thymikee@gmail.com>
Date: Sat, 3 Mar 2018 13:29:26 +0100
Subject: [PATCH 057/140] Add a brief summary to CLI's build output (#7439)

* feat(babel-cli): add a brief summary to build output

* address feedback

* further adjustments

* Use quiet output as default, add --verbose

* fix tests

* remove verbose alias
---
 packages/babel-cli/src/babel/dir.js                 | 13 ++++++++++++-
 packages/babel-cli/src/babel/index.js               |  4 ++--
 packages/babel-cli/src/babel/util.js                |  4 ++--
 .../options.json                                    |  3 ++-
 .../stdout.txt                                      |  1 +
 .../options.json                                    |  3 ++-
 .../stdout.txt                                      |  1 +
 .../--copy-files --include-dotfiles/options.json    |  2 +-
 .../--copy-files --include-dotfiles/stdout.txt      |  1 +
 .../babel/--copy-files with ignore/options.json     |  3 ++-
 .../babel/--copy-files with ignore/stdout.txt       |  1 +
 .../babel/--copy-files with only/options.json       |  3 ++-
 .../babel/--copy-files with only/stdout.txt         |  1 +
 .../test/fixtures/babel/--copy-files/options.json   |  2 +-
 .../test/fixtures/babel/--copy-files/stdout.txt     |  1 +
 .../fixtures/babel/--ignore complete/options.json   |  2 +-
 .../fixtures/babel/--ignore complete/stdout.txt     |  1 +
 .../test/fixtures/babel/--ignore glob/options.json  |  2 +-
 .../test/fixtures/babel/--ignore glob/stdout.txt    |  1 +
 .../test/fixtures/babel/--ignore/options.json       |  2 +-
 .../test/fixtures/babel/--ignore/stdout.txt         |  1 +
 .../test/fixtures/babel/--only glob/options.json    |  2 +-
 .../test/fixtures/babel/--only glob/stdout.txt      |  1 +
 .../test/fixtures/babel/--only/options.json         |  2 +-
 .../babel-cli/test/fixtures/babel/--only/stdout.txt |  1 +
 .../babel/dir --out-dir --copy-files/options.json   |  2 +-
 .../babel/dir --out-dir --copy-files/stdout.txt     |  1 +
 .../options.json                                    |  2 +-
 .../dir --out-dir --keep-file-extension/stdout.txt  |  1 +
 .../babel/dir --out-dir --relative/options.json     |  2 +-
 .../babel/dir --out-dir --relative/stdout.txt       |  1 +
 .../dir --out-dir --source-maps inline/options.json |  2 +-
 .../dir --out-dir --source-maps inline/stdout.txt   |  1 +
 .../babel/dir --out-dir --source-maps/options.json  |  2 +-
 .../babel/dir --out-dir --source-maps/stdout.txt    |  1 +
 .../dir --out-dir --verbose/in-files/src/bar/bar.js |  3 +++
 .../dir --out-dir --verbose/in-files/src/foo.js     |  1 +
 .../babel/dir --out-dir --verbose/options.json      |  3 +++
 .../out-files/lib/bar/bar.js                        |  9 +++++++++
 .../dir --out-dir --verbose/out-files/lib/foo.js    |  5 +++++
 .../babel/dir --out-dir --verbose/stdout.txt        |  3 +++
 .../test/fixtures/babel/dir --out-dir/stdout.txt    |  3 +--
 .../filename --out-dir --relative/options.json      |  2 +-
 .../babel/filename --out-dir --relative/stdout.txt  |  1 +
 .../fixtures/babel/filename --out-dir/options.json  |  2 +-
 .../fixtures/babel/filename --out-dir/stdout.txt    |  1 +
 .../test/debug-fixtures/android/stdout.txt          |  2 +-
 .../debug-fixtures/builtins-no-import/stdout.txt    |  2 +-
 .../test/debug-fixtures/builtins-uglify/stdout.txt  |  2 +-
 .../test/debug-fixtures/builtins/stdout.txt         |  2 +-
 .../test/debug-fixtures/electron/stdout.txt         |  2 +-
 .../debug-fixtures/force-all-transforms/stdout.txt  |  2 +-
 .../test/debug-fixtures/plugins-only/stdout.txt     |  2 +-
 .../shippedProposals-chrome60/stdout.txt            |  2 +-
 .../test/debug-fixtures/shippedProposals/stdout.txt |  2 +-
 .../test/debug-fixtures/specific-targets/stdout.txt |  2 +-
 .../test/debug-fixtures/usage-none/stdout.txt       |  3 +--
 .../debug-fixtures/usage-with-import/stdout.txt     |  2 +-
 .../test/debug-fixtures/usage/stdout.txt            |  3 +--
 .../debug-fixtures/versions-decimals/stdout.txt     |  2 +-
 .../test/debug-fixtures/versions-strings/stdout.txt |  2 +-
 61 files changed, 96 insertions(+), 42 deletions(-)
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/bar/bar.js
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/foo.js
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/options.json
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/bar/bar.js
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/foo.js
 create mode 100644 packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/stdout.txt

diff --git a/packages/babel-cli/src/babel/dir.js b/packages/babel-cli/src/babel/dir.js
index ce00f14d858f..31c80fbb62c7 100644
--- a/packages/babel-cli/src/babel/dir.js
+++ b/packages/babel-cli/src/babel/dir.js
@@ -6,6 +6,8 @@ import fs from "fs";
 
 import * as util from "./util";
 
+let compiledFiles = 0;
+
 export default function(commander, filenames, opts) {
   function write(src, relative, base, callback) {
     if (typeof base === "function") {
@@ -48,6 +50,8 @@ export default function(commander, filenames, opts) {
         outputFileSync(dest, res.code);
         util.chmod(src, dest);
 
+        compiledFiles += 1;
+
         util.log(src + " -> " + dest);
         return callback(null, true);
       },
@@ -125,10 +129,17 @@ export default function(commander, filenames, opts) {
     const filename = filenames[index];
 
     handle(filename, function(err) {
-      if (err) throw err;
+      if (err) throw new Error(err);
       index++;
       if (index !== filenames.length) {
         sequentialHandle(filenames, index);
+      } else {
+        util.log(
+          `🎉  Successfully compiled ${compiledFiles} ${
+            compiledFiles > 1 ? "files" : "file"
+          } with Babel.`,
+          true,
+        );
       }
     });
   }
diff --git a/packages/babel-cli/src/babel/index.js b/packages/babel-cli/src/babel/index.js
index 606f5b33cd02..004527d965b2 100755
--- a/packages/babel-cli/src/babel/index.js
+++ b/packages/babel-cli/src/babel/index.js
@@ -163,7 +163,7 @@ commander.option(
   "--include-dotfiles",
   "Include dotfiles when compiling and copying non-compilable files",
 );
-commander.option("-q, --quiet", "Don't log anything");
+commander.option("--verbose", "Log everything");
 commander.option(
   "--delete-dir-on-start",
   "Delete the out directory before compilation",
@@ -243,7 +243,7 @@ delete opts.outFile;
 delete opts.outDir;
 delete opts.copyFiles;
 delete opts.includeDotfiles;
-delete opts.quiet;
+delete opts.verbose;
 delete opts.configFile;
 delete opts.deleteDirOnStart;
 delete opts.keepFileExtension;
diff --git a/packages/babel-cli/src/babel/util.js b/packages/babel-cli/src/babel/util.js
index dc57791458cc..d2b1c7795856 100644
--- a/packages/babel-cli/src/babel/util.js
+++ b/packages/babel-cli/src/babel/util.js
@@ -46,8 +46,8 @@ export function addSourceMappingUrl(code, loc) {
   return code + "\n//# sourceMappingURL=" + path.basename(loc);
 }
 
-export function log(msg) {
-  if (!commander.quiet) console.log(msg);
+export function log(msg, force) {
+  if (force === true || commander.verbose) console.log(msg);
 }
 
 export function transform(filename, code, opts, callback) {
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/options.json
index 630fe96c3759..729a051678e2 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/options.json	
@@ -4,6 +4,7 @@
     "--out-dir", "lib",
     "--copy-files",
     "--include-dotfiles",
-    "--ignore", "src/foo"
+    "--ignore", "src/foo",
+    "--verbose"
   ]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/stdout.txt
index 6a861c56743b..4c36e94a0a23 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with ignore/stdout.txt	
@@ -1 +1,2 @@
 src/index.js -> lib/index.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/options.json
index 11a257f17477..64034dfa62da 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/options.json	
@@ -4,6 +4,7 @@
     "--out-dir", "lib",
     "--copy-files",
     "--include-dotfiles",
-    "--only", "src/foo"
+    "--only", "src/foo",
+    "--verbose"
   ]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/stdout.txt
index 10cf3c8b5619..f6e3f3a3ade6 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles with only/stdout.txt	
@@ -1,2 +1,3 @@
 src/foo/.foo.js -> lib/foo/.foo.js
 src/foo/bar.js -> lib/foo/bar.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/options.json
index 977282bb22f0..4d90f91ad5f4 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--copy-files", "--include-dotfiles"]
+  "args": ["src", "--out-dir", "lib", "--copy-files", "--include-dotfiles", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/stdout.txt
index 0b10e8a19514..fdc15905a3bb 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files --include-dotfiles/stdout.txt	
@@ -1,3 +1,4 @@
 src/.foo.js -> lib/.foo.js
 src/bar/index.js -> lib/bar/index.js
 src/foo/foo.js -> lib/foo/foo.js
+🎉  Successfully compiled 3 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/options.json
index 184b64504702..c5551001db26 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/options.json	
@@ -3,6 +3,7 @@
     "src",
     "--out-dir", "lib",
     "--copy-files",
-    "--ignore", "src/foo/*"
+    "--ignore", "src/foo/*",
+    "--verbose"
   ]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/stdout.txt
index 6a861c56743b..4c36e94a0a23 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files with ignore/stdout.txt	
@@ -1 +1,2 @@
 src/index.js -> lib/index.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files with only/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files with only/options.json
index 668ea2645834..a1c2f38e399e 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files with only/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files with only/options.json	
@@ -3,6 +3,7 @@
     "src",
     "--out-dir", "lib",
     "--copy-files",
-    "--only", "src/foo/*"
+    "--only", "src/foo/*",
+    "--verbose"
   ]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files with only/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files with only/stdout.txt
index e0a4d292bbbe..2021cfb5e603 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files with only/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files with only/stdout.txt	
@@ -1 +1,2 @@
 src/foo/bar.js -> lib/foo/bar.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files/options.json b/packages/babel-cli/test/fixtures/babel/--copy-files/options.json
index 68814a200159..c328b7ff8d23 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files/options.json
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files/options.json
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--copy-files"]
+  "args": ["src", "--out-dir", "lib", "--copy-files", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--copy-files/stdout.txt b/packages/babel-cli/test/fixtures/babel/--copy-files/stdout.txt
index 4a85f7008cf3..80351563d03d 100644
--- a/packages/babel-cli/test/fixtures/babel/--copy-files/stdout.txt
+++ b/packages/babel-cli/test/fixtures/babel/--copy-files/stdout.txt
@@ -1,2 +1,3 @@
 src/bar/index.js -> lib/bar/index.js
 src/foo/foo.js -> lib/foo/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore complete/options.json b/packages/babel-cli/test/fixtures/babel/--ignore complete/options.json
index b4c4db71f38b..e273636154d4 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore complete/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--ignore complete/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--ignore", "src/bar"]
+  "args": ["src", "--out-dir", "lib", "--ignore", "src/bar", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore complete/stdout.txt b/packages/babel-cli/test/fixtures/babel/--ignore complete/stdout.txt
index 437c95684152..0d15bf2ae095 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore complete/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--ignore complete/stdout.txt	
@@ -1 +1,2 @@
 src/foobar/foo.js -> lib/foobar/foo.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore glob/options.json b/packages/babel-cli/test/fixtures/babel/--ignore glob/options.json
index 8c15a2b28c51..7d99d8d040d5 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore glob/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--ignore glob/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--ignore", "**/*.foo.js"]
+  "args": ["src", "--out-dir", "lib", "--ignore", "**/*.foo.js", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore glob/stdout.txt b/packages/babel-cli/test/fixtures/babel/--ignore glob/stdout.txt
index 22e2f9915714..03b326e512c3 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore glob/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--ignore glob/stdout.txt	
@@ -2,3 +2,4 @@ src/a.js -> lib/a.js
 src/b.js -> lib/b.js
 src/baz/c.js -> lib/baz/c.js
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 4 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore/options.json b/packages/babel-cli/test/fixtures/babel/--ignore/options.json
index 1911426f62ba..3673f5a490da 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore/options.json
+++ b/packages/babel-cli/test/fixtures/babel/--ignore/options.json
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--ignore", "src/foo/*"]
+  "args": ["src", "--out-dir", "lib", "--ignore", "src/foo/*", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--ignore/stdout.txt b/packages/babel-cli/test/fixtures/babel/--ignore/stdout.txt
index 1eb8f922d18f..1c0cc552e31b 100644
--- a/packages/babel-cli/test/fixtures/babel/--ignore/stdout.txt
+++ b/packages/babel-cli/test/fixtures/babel/--ignore/stdout.txt
@@ -1 +1,2 @@
 src/bar/index.js -> lib/bar/index.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--only glob/options.json b/packages/babel-cli/test/fixtures/babel/--only glob/options.json
index 8066c21c8398..48cb01f4e5b1 100644
--- a/packages/babel-cli/test/fixtures/babel/--only glob/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--only glob/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--only", "**/*.foo.js"]
+  "args": ["src", "--out-dir", "lib", "--only", "**/*.foo.js", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--only glob/stdout.txt b/packages/babel-cli/test/fixtures/babel/--only glob/stdout.txt
index ff1917afe9bf..a5c024b79339 100644
--- a/packages/babel-cli/test/fixtures/babel/--only glob/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/--only glob/stdout.txt	
@@ -1,2 +1,3 @@
 src/a.foo.js -> lib/a.foo.js
 src/baz/b.foo.js -> lib/baz/b.foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/--only/options.json b/packages/babel-cli/test/fixtures/babel/--only/options.json
index 7b05f3fb824c..16a8c29b33bb 100644
--- a/packages/babel-cli/test/fixtures/babel/--only/options.json
+++ b/packages/babel-cli/test/fixtures/babel/--only/options.json
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--only", "src/bar/*"]
+  "args": ["src", "--out-dir", "lib", "--only", "src/bar/*", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/--only/stdout.txt b/packages/babel-cli/test/fixtures/babel/--only/stdout.txt
index 1eb8f922d18f..1c0cc552e31b 100644
--- a/packages/babel-cli/test/fixtures/babel/--only/stdout.txt
+++ b/packages/babel-cli/test/fixtures/babel/--only/stdout.txt
@@ -1 +1,2 @@
 src/bar/index.js -> lib/bar/index.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/options.json
index 68814a200159..c328b7ff8d23 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--copy-files"]
+  "args": ["src", "--out-dir", "lib", "--copy-files", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/stdout.txt
index 6ef9b7ad4df2..b690683b8428 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --copy-files/stdout.txt	
@@ -1 +1,2 @@
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/options.json
index 887810a2b82c..2a0df371e55e 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--out-dir", "lib", "--keep-file-extension"]
+  "args": ["src", "--out-dir", "lib", "--keep-file-extension", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/stdout.txt
index 9d19a99d25ad..ab55e4731f6d 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --keep-file-extension/stdout.txt	
@@ -1,2 +1,3 @@
 src/bar.mjs -> lib/bar.mjs
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/options.json
index a05b1cfc2e9b..45b79c66e810 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["**/src", "--out-dir", "../lib", "--relative"]
+  "args": ["**/src", "--out-dir", "../lib", "--relative", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/stdout.txt
index 8215dd3c4ce6..ced29141cd94 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --relative/stdout.txt	
@@ -2,3 +2,4 @@ package1/src/bar/bar1.js -> package1/lib/bar/bar1.js
 package1/src/foo1.js -> package1/lib/foo1.js
 package2/src/bar/bar2.js -> package2/lib/bar/bar2.js
 package2/src/foo2.js -> package2/lib/foo2.js
+🎉  Successfully compiled 4 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/options.json
index a8ab8839618b..73170caecde0 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--source-maps", "inline", "--out-dir", "lib"]
+  "args": ["src", "--source-maps", "inline", "--out-dir", "lib", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/stdout.txt
index a3d53cf84ade..04928a9cbfed 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/stdout.txt	
@@ -1,2 +1,3 @@
 src/bar/bar.js -> lib/bar/bar.js
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/options.json
index e7e56fba3134..682964ac91f8 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src", "--source-maps", "--out-dir", "lib"]
+  "args": ["src", "--source-maps", "--out-dir", "lib", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/stdout.txt
index a3d53cf84ade..04928a9cbfed 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/stdout.txt	
@@ -1,2 +1,3 @@
 src/bar/bar.js -> lib/bar/bar.js
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/bar/bar.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/bar/bar.js
new file mode 100644
index 000000000000..45842c5e2674
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/bar/bar.js	
@@ -0,0 +1,3 @@
+class Test {
+
+}
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/foo.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/foo.js
new file mode 100644
index 000000000000..4bc9539528d4
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/in-files/src/foo.js	
@@ -0,0 +1 @@
+arr.map(x => x * MULTIPLIER);
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/options.json b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/options.json
new file mode 100644
index 000000000000..e9f6da443445
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/options.json	
@@ -0,0 +1,3 @@
+{
+  "args": ["src", "--out-dir", "lib", "--verbose"]
+}
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/bar/bar.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/bar/bar.js
new file mode 100644
index 000000000000..0381c2a965d9
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/bar/bar.js	
@@ -0,0 +1,9 @@
+"use strict";
+
+function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return right[Symbol.hasInstance](left); } else { return left instanceof right; } }
+
+function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Test = function Test() {
+  _classCallCheck(this, Test);
+};
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/foo.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/foo.js
new file mode 100644
index 000000000000..ae4557e57bc3
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/out-files/lib/foo.js	
@@ -0,0 +1,5 @@
+"use strict";
+
+arr.map(function (x) {
+  return x * MULTIPLIER;
+});
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/stdout.txt
new file mode 100644
index 000000000000..04928a9cbfed
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --verbose/stdout.txt	
@@ -0,0 +1,3 @@
+src/bar/bar.js -> lib/bar/bar.js
+src/foo.js -> lib/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir/stdout.txt b/packages/babel-cli/test/fixtures/babel/dir --out-dir/stdout.txt
index a3d53cf84ade..15992c65fdce 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir/stdout.txt	
@@ -1,2 +1 @@
-src/bar/bar.js -> lib/bar/bar.js
-src/foo.js -> lib/foo.js
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/options.json b/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/options.json
index c583027328b3..c2fdbb1b69c0 100644
--- a/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src/foo.js", "--out-dir", "../lib", "--relative"]
+  "args": ["src/foo.js", "--out-dir", "../lib", "--relative", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/stdout.txt b/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/stdout.txt
index 6ef9b7ad4df2..b690683b8428 100644
--- a/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/filename --out-dir --relative/stdout.txt	
@@ -1 +1,2 @@
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-cli/test/fixtures/babel/filename --out-dir/options.json b/packages/babel-cli/test/fixtures/babel/filename --out-dir/options.json
index bd4747099a41..f466c8dcceb5 100644
--- a/packages/babel-cli/test/fixtures/babel/filename --out-dir/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/filename --out-dir/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["src/foo.js", "--out-dir", "lib"]
+  "args": ["src/foo.js", "--out-dir", "lib", "--verbose"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/filename --out-dir/stdout.txt b/packages/babel-cli/test/fixtures/babel/filename --out-dir/stdout.txt
index 6ef9b7ad4df2..b690683b8428 100644
--- a/packages/babel-cli/test/fixtures/babel/filename --out-dir/stdout.txt	
+++ b/packages/babel-cli/test/fixtures/babel/filename --out-dir/stdout.txt	
@@ -1 +1,2 @@
 src/foo.js -> lib/foo.js
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
index 00a05762c351..7d2e24133dea 100644
--- a/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
@@ -133,4 +133,4 @@ Using polyfills with `entry` option:
   web.timers { "android":"4" }
   web.immediate { "android":"4" }
   web.dom.iterable { "android":"4" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
index 7f1e819d315f..d3c444f08640 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
@@ -18,4 +18,4 @@ Using plugins:
 Using polyfills with `entry` option:
 
 [src/in.js] `import '@babel/polyfill'` was not found.
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
index 5fee15ef6338..78d1d4feea00 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
@@ -44,4 +44,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"55" }
   web.immediate { "chrome":"55" }
   web.dom.iterable { "chrome":"55" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
index cefe457b70f6..5dc6d89ae660 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
@@ -135,4 +135,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "ie":"10", "node":"6" }
   web.immediate { "chrome":"54", "ie":"10", "node":"6" }
   web.dom.iterable { "chrome":"54", "ie":"10", "node":"6" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
index 27f90400617c..d670e5d54fde 100644
--- a/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
@@ -92,4 +92,4 @@ Using polyfills with `entry` option:
   web.timers { "electron":"0.36" }
   web.immediate { "electron":"0.36" }
   web.dom.iterable { "electron":"0.36" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
index a6ca17fbd939..9ca9e9357d8f 100644
--- a/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
@@ -41,4 +41,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"55" }
   web.immediate { "chrome":"55" }
   web.dom.iterable { "chrome":"55" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
index 6fb8c6144d34..7e9e7ff3e2cd 100644
--- a/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
@@ -23,4 +23,4 @@ Using plugins:
   transform-dotall-regex { "firefox":"52", "node":"7.4" }
 
 Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
index 9e2f76c70743..245a483f2cc5 100644
--- a/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
@@ -22,4 +22,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"60" }
   web.immediate { "chrome":"60" }
   web.dom.iterable { "chrome":"60" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
index 150d19dd1441..2995fc33cdfa 100644
--- a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
@@ -153,4 +153,4 @@ Using polyfills with `entry` option:
   web.timers {}
   web.immediate {}
   web.dom.iterable {}
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
index 29a17fe714ca..0e69225c3281 100644
--- a/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
@@ -139,4 +139,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   web.immediate { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   web.dom.iterable { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
index 1d80cac70ef6..830016841e85 100644
--- a/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
@@ -36,7 +36,6 @@ Using plugins:
 Using polyfills with `usage` option:
 
 [src/in.js] Based on your code and targets, none were added.
-src/in.js -> lib/in.js
 
 [src/in2.js] Based on your code and targets, none were added.
-src/in2.js -> lib/in2.js
\ No newline at end of file
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/usage-with-import/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/usage-with-import/stdout.txt
index 63f953cc27e9..5b4637b41714 100644
--- a/packages/babel-preset-env/test/debug-fixtures/usage-with-import/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/usage-with-import/stdout.txt
@@ -13,4 +13,4 @@ Using plugins:
 Using polyfills with `usage` option:
 
 [src/in.js] Based on your code and targets, none were added.
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
index 4ce33e8da279..805fec388400 100644
--- a/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
@@ -38,9 +38,8 @@ Using polyfills with `usage` option:
 [src/in.js] Added following polyfills:
   es6.promise { "ie":"11" }
   es6.map { "firefox":"50", "ie":"11" }
-src/in.js -> lib/in.js
 
 [src/in2.js] Added following polyfills:
   regenerator-runtime { "chrome":"52", "firefox":"50", "ie":"11" }
   web.dom.iterable { "chrome":"52", "firefox":"50", "ie":"11" }
-src/in2.js -> lib/in2.js
\ No newline at end of file
+🎉  Successfully compiled 2 files with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
index 81048c38d3db..810d24c691a6 100644
--- a/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
@@ -161,4 +161,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   web.immediate { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   web.dom.iterable { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.
diff --git a/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
index 053aba06c23c..6985edeaa5ad 100644
--- a/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
@@ -135,4 +135,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "ie":"10", "node":"6.10" }
   web.immediate { "chrome":"54", "ie":"10", "node":"6.10" }
   web.dom.iterable { "chrome":"54", "ie":"10", "node":"6.10" }
-src/in.js -> lib/in.js
\ No newline at end of file
+🎉  Successfully compiled 1 file with Babel.

From 81532103da431c7357b33956d6fc50bd3467ddd9 Mon Sep 17 00:00:00 2001
From: Mauro Bringolf <maurobringolf@users.noreply.github.com>
Date: Sat, 3 Mar 2018 18:01:29 +0100
Subject: [PATCH 058/140] Contributing docs: Add caveat about direct
 subdirectories and exec tests (#7482) [skip Ci]

* Add caveat about direct subdirectories and exec tests

* Fix _only_ typo
---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1441f87cae0b..fc146657ede6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -175,7 +175,7 @@ For example, in [`@babel/plugin-transform-exponentiation-operator/test`](https:/
 
 - In each subfolder, you can organize your directory structure by categories of tests. (Example: these folders can be named after the feature you are testing or can reference the issue number they fix)
 - Generally, there are two kinds of tests for plugins
-   - The first is a simple test of the input and output produced by running Babel on some code. We do this by creating an [`input.js`](https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-exponentiation-operator/test/fixtures/exponentian-operator/binary/input.js) file and an [`output.js`](https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-exponentiation-operator/test/fixtures/exponentian-operator/binary/output.js) file.
+   - The first is a simple test of the input and output produced by running Babel on some code. We do this by creating an [`input.js`](https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-exponentiation-operator/test/fixtures/exponentian-operator/binary/input.js) file and an [`output.js`](https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-exponentiation-operator/test/fixtures/exponentian-operator/binary/output.js) file. This kind of test only works in sub-subdirectories of `/fixtures`, i.e. `/fixtures/exponentian-operator/binary/input.js` and **not** `/fixtures/exponentian-operator/input.js`.
    - If you need to expect an error, you can ignore creating the `output.js` file and pass a new `throws` key to the `options.json` that contains the error string that is created.
    - The second and preferred type is a test that actually evaluates the produced code and asserts that certain properties are true or false. We do this by creating an [`exec.js`](https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-exponentiation-operator/test/fixtures/exponentian-operator/comprehensive/exec.js) file.
 

From 785131d8e61f3a399daabb86ae0c595be18fc3f5 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Sat, 3 Mar 2018 18:45:34 +0100
Subject: [PATCH 059/140] Also run coverage with node: current (#7479)

---
 .babelrc.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.babelrc.js b/.babelrc.js
index a91205ee4a83..bfb12e62cf81 100644
--- a/.babelrc.js
+++ b/.babelrc.js
@@ -10,6 +10,7 @@ switch(env) {
     envOpts.debug = true;
     // fall-through
   case "test":
+  case "cov":
     envOpts.targets = {
       node: "current"
   };
@@ -39,7 +40,7 @@ const config = {
 };
 
 // we need to do this as long as we do not test everything from source
-if (process.env.BABEL_ENV === "cov") {
+if (env === "cov") {
   config.auxiliaryCommentBefore = "istanbul ignore next";
   config.plugins.push("babel-plugin-istanbul");
 }

From 212058148c7e15fd23bd3eb2411509b8dac0bcaa Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 12:29:11 -0800
Subject: [PATCH 060/140] Require users to pass a filename, or specify
 --no-babelrc when using CLI with stdin. (#7461)

---
 packages/babel-cli/src/babel/index.js                 | 11 +++++++++++
 .../--config-file babelrc nocomment/options.json      |  4 ++--
 .../test/fixtures/babel/stdin --out-file/options.json |  2 +-
 .../babel-cli/test/fixtures/babel/stdin/options.json  |  3 +++
 4 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 packages/babel-cli/test/fixtures/babel/stdin/options.json

diff --git a/packages/babel-cli/src/babel/index.js b/packages/babel-cli/src/babel/index.js
index 004527d965b2..6d809421341f 100755
--- a/packages/babel-cli/src/babel/index.js
+++ b/packages/babel-cli/src/babel/index.js
@@ -221,6 +221,17 @@ if (commander.deleteDirOnStart && !commander.outDir) {
   errors.push("--delete-dir-on-start requires --out-dir");
 }
 
+if (
+  !commander.outDir &&
+  filenames.length === 0 &&
+  typeof commander.filename !== "string" &&
+  commander.babelrc !== false
+) {
+  errors.push(
+    "stdin compilation requires either -f/--filename [filename] or --no-babelrc",
+  );
+}
+
 if (errors.length) {
   console.error(errors.join(". "));
   process.exit(2);
diff --git a/packages/babel-cli/test/fixtures/babel/--config-file babelrc nocomment/options.json b/packages/babel-cli/test/fixtures/babel/--config-file babelrc nocomment/options.json
index 40288838f204..a5d9f81b4756 100644
--- a/packages/babel-cli/test/fixtures/babel/--config-file babelrc nocomment/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/--config-file babelrc nocomment/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["--config-file", "../.othername_babelrc"]
-}
\ No newline at end of file
+  "args": ["--config-file", "../.othername_babelrc", "-f", "file.js"]
+}
diff --git a/packages/babel-cli/test/fixtures/babel/stdin --out-file/options.json b/packages/babel-cli/test/fixtures/babel/stdin --out-file/options.json
index 5c5b1a4baae8..7c157aa203bc 100644
--- a/packages/babel-cli/test/fixtures/babel/stdin --out-file/options.json	
+++ b/packages/babel-cli/test/fixtures/babel/stdin --out-file/options.json	
@@ -1,3 +1,3 @@
 {
-  "args": ["--out-file", "script.js"]
+  "args": ["--out-file", "script.js", "-f", "file.js"]
 }
diff --git a/packages/babel-cli/test/fixtures/babel/stdin/options.json b/packages/babel-cli/test/fixtures/babel/stdin/options.json
new file mode 100644
index 000000000000..a9f1532c7173
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/stdin/options.json
@@ -0,0 +1,3 @@
+{
+  "args": ["-f", "file.js"]
+}

From 41bf66bca2aafc2e5d9e3cc85dfbd727d848367b Mon Sep 17 00:00:00 2001
From: Deven Bansod <devenbansod@users.noreply.github.com>
Date: Sun, 4 Mar 2018 16:09:12 +0530
Subject: [PATCH 061/140] Migrate `babel-code-frame` tests to use `expect`
 (#7485)

* Replace `assert.equal` calls with appropriate `expect` calls
* Work-in-progress: Currently targeting only `babel-code-frame` tests
---
 packages/babel-code-frame/test/index.js | 117 ++++++++++++------------
 1 file changed, 58 insertions(+), 59 deletions(-)

diff --git a/packages/babel-code-frame/test/index.js b/packages/babel-code-frame/test/index.js
index d157ff45d0ad..c06214c5b4e5 100644
--- a/packages/babel-code-frame/test/index.js
+++ b/packages/babel-code-frame/test/index.js
@@ -1,13 +1,11 @@
-import assert from "assert";
 import chalk from "chalk";
 import stripAnsi from "strip-ansi";
 import codeFrame, { codeFrameColumns } from "..";
 
 describe("@babel/code-frame", function() {
-  it("basic usage", function() {
+  test("basic usage", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 2, 16),
+    expect(codeFrame(rawLines, 2, 16)).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor()",
@@ -17,15 +15,14 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("optional column number", function() {
+  test("optional column number", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 2, null),
+    expect(codeFrame(rawLines, 2, null)).toEqual(
       ["  1 | class Foo {", "> 2 |   constructor()", "  3 | };"].join("\n"),
     );
   });
 
-  it("maximum context lines and padding", function() {
+  test("maximum context lines and padding", function() {
     const rawLines = [
       "/**",
       " * Sums two numbers.",
@@ -39,8 +36,7 @@ describe("@babel/code-frame", function() {
       "  return a + b",
       "}",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 7, 2),
+    expect(codeFrame(rawLines, 7, 2)).toEqual(
       [
         "   5 |  * @param b Number",
         "   6 |  * @returns Number",
@@ -53,7 +49,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("no unnecessary padding due to one-off errors", function() {
+  test("no unnecessary padding due to one-off errors", function() {
     const rawLines = [
       "/**",
       " * Sums two numbers.",
@@ -67,8 +63,7 @@ describe("@babel/code-frame", function() {
       "  return a + b",
       "}",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 6, 2),
+    expect(codeFrame(rawLines, 6, 2)).toEqual(
       [
         "  4 |  * @param a Number",
         "  5 |  * @param b Number",
@@ -81,14 +76,13 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("tabs", function() {
+  test("tabs", function() {
     const rawLines = [
       "\tclass Foo {",
       "\t  \t\t    constructor\t(\t)",
       "\t};",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 2, 25),
+    expect(codeFrame(rawLines, 2, 25)).toEqual(
       [
         "  1 | \tclass Foo {",
         "> 2 | \t  \t\t    constructor\t(\t)",
@@ -98,18 +92,17 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.highlightCode", function() {
+  test("opts.highlightCode", function() {
     const rawLines = "console.log('babel')";
     const result = codeFrame(rawLines, 1, 9, { highlightCode: true });
     const stripped = stripAnsi(result);
-    assert.ok(result.length > stripped.length);
-    assert.equal(
-      stripped,
+    expect(result.length).toBeGreaterThan(stripped.length);
+    expect(stripped).toEqual(
       ["> 1 | console.log('babel')", "    |         ^"].join("\n"),
     );
   });
 
-  it("opts.linesAbove", function() {
+  test("opts.linesAbove", function() {
     const rawLines = [
       "/**",
       " * Sums two numbers.",
@@ -123,8 +116,7 @@ describe("@babel/code-frame", function() {
       "  return a + b",
       "}",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 7, 2, { linesAbove: 1 }),
+    expect(codeFrame(rawLines, 7, 2, { linesAbove: 1 })).toEqual(
       [
         "   6 |  * @returns Number",
         ">  7 |  */",
@@ -136,7 +128,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.linesBelow", function() {
+  test("opts.linesBelow", function() {
     const rawLines = [
       "/**",
       " * Sums two numbers.",
@@ -150,8 +142,7 @@ describe("@babel/code-frame", function() {
       "  return a + b",
       "}",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 7, 2, { linesBelow: 1 }),
+    expect(codeFrame(rawLines, 7, 2, { linesBelow: 1 })).toEqual(
       [
         "  5 |  * @param b Number",
         "  6 |  * @returns Number",
@@ -162,7 +153,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.linesAbove and opts.linesBelow", function() {
+  test("opts.linesAbove and opts.linesBelow", function() {
     const rawLines = [
       "/**",
       " * Sums two numbers.",
@@ -176,15 +167,14 @@ describe("@babel/code-frame", function() {
       "  return a + b",
       "}",
     ].join("\n");
-    assert.equal(
-      codeFrame(rawLines, 7, 2, { linesAbove: 1, linesBelow: 1 }),
+    expect(codeFrame(rawLines, 7, 2, { linesAbove: 1, linesBelow: 1 })).toEqual(
       ["  6 |  * @returns Number", "> 7 |  */", "    |  ^", "  8 | "].join(
         "\n",
       ),
     );
   });
 
-  it("opts.linesAbove no lines above", function() {
+  test("opts.linesAbove no lines above", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -192,8 +182,9 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, { start: { line: 2 } }, { linesAbove: 0 }),
+    ).toEqual(
       [
         "> 2 |   constructor() {",
         "  3 |     console.log(arguments);",
@@ -203,7 +194,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.linesBelow no lines below", function() {
+  test("opts.linesBelow no lines below", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -211,13 +202,12 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, { start: { line: 2 } }, { linesBelow: 0 }),
-      ["  1 | class Foo {", "> 2 |   constructor() {"].join("\n"),
-    );
+    ).toEqual(["  1 | class Foo {", "> 2 |   constructor() {"].join("\n"));
   });
 
-  it("opts.linesBelow single line", function() {
+  test("opts.linesBelow single line", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -225,27 +215,27 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(
         rawLines,
         { start: { line: 2 } },
         { linesAbove: 0, linesBelow: 0 },
       ),
-      ["> 2 |   constructor() {"].join("\n"),
-    );
+    ).toEqual(["> 2 |   constructor() {"].join("\n"));
   });
 
-  it("opts.forceColor", function() {
+  test("opts.forceColor", function() {
     const marker = chalk.red.bold;
     const gutter = chalk.grey;
 
     const rawLines = ["", "", "", ""].join("\n");
-    assert.equal(
+    expect(
       codeFrame(rawLines, 3, null, {
         linesAbove: 1,
         linesBelow: 1,
         forceColor: true,
       }),
+    ).toEqual(
       chalk.reset(
         [
           " " + gutter(" 2 | "),
@@ -256,10 +246,11 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("basic usage, new API", function() {
+  test("basic usage, new API", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, { start: { line: 2, column: 16 } }),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor()",
@@ -269,13 +260,14 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("mark multiple columns", function() {
+  test("mark multiple columns", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, {
         start: { line: 2, column: 3 },
         end: { line: 2, column: 16 },
       }),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor()",
@@ -285,15 +277,16 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("mark multiple columns across lines", function() {
+  test("mark multiple columns across lines", function() {
     const rawLines = ["class Foo {", "  constructor() {", "  }", "};"].join(
       "\n",
     );
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, {
         start: { line: 2, column: 17 },
         end: { line: 3, column: 3 },
       }),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor() {",
@@ -305,7 +298,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("mark multiple columns across multiple lines", function() {
+  test("mark multiple columns across multiple lines", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -313,11 +306,12 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, {
         start: { line: 2, column: 17 },
         end: { line: 4, column: 3 },
       }),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor() {",
@@ -331,7 +325,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("mark across multiple lines without columns", function() {
+  test("mark across multiple lines without columns", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -339,8 +333,9 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(rawLines, { start: { line: 2 }, end: { line: 4 } }),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor() {",
@@ -351,9 +346,9 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.message", function() {
+  test("opts.message", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(
         rawLines,
         { start: { line: 2, column: 16 } },
@@ -361,6 +356,7 @@ describe("@babel/code-frame", function() {
           message: "Missing {",
         },
       ),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor()",
@@ -370,9 +366,9 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.message without column", function() {
+  test("opts.message without column", function() {
     const rawLines = ["class Foo {", "  constructor()", "};"].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(
         rawLines,
         { start: { line: 2 } },
@@ -380,6 +376,7 @@ describe("@babel/code-frame", function() {
           message: "Missing {",
         },
       ),
+    ).toEqual(
       [
         "  Missing {",
         "  1 | class Foo {",
@@ -389,7 +386,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.message with multiple lines", function() {
+  test("opts.message with multiple lines", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -397,7 +394,7 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(
         rawLines,
         {
@@ -408,6 +405,7 @@ describe("@babel/code-frame", function() {
           message: "something about the constructor body",
         },
       ),
+    ).toEqual(
       [
         "  1 | class Foo {",
         "> 2 |   constructor() {",
@@ -421,7 +419,7 @@ describe("@babel/code-frame", function() {
     );
   });
 
-  it("opts.message with multiple lines without columns", function() {
+  test("opts.message with multiple lines without columns", function() {
     const rawLines = [
       "class Foo {",
       "  constructor() {",
@@ -429,7 +427,7 @@ describe("@babel/code-frame", function() {
       "  }",
       "};",
     ].join("\n");
-    assert.equal(
+    expect(
       codeFrameColumns(
         rawLines,
         { start: { line: 2 }, end: { line: 4 } },
@@ -437,6 +435,7 @@ describe("@babel/code-frame", function() {
           message: "something about the constructor body",
         },
       ),
+    ).toEqual(
       [
         "  something about the constructor body",
         "  1 | class Foo {",

From ae0df86340086f2c9e7081921c93b41d1452ddfe Mon Sep 17 00:00:00 2001
From: K Sashi Kumar <ksashikumark93@gmail.com>
Date: Sun, 4 Mar 2018 21:04:16 +0530
Subject: [PATCH 062/140] Remove broken check in checkFunctionNameAndParams
 (#7473)

---
 packages/babylon/src/parser/expression.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 71b1e254c74c..73dc458d0eb4 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -1677,11 +1677,7 @@ export default class ExpressionParser extends LValParser {
 
     const oldStrict = this.state.strict;
     if (isStrict) this.state.strict = isStrict;
-    if (node.id) {
-      // TODO(logan): This check is broken because it passes a node object as
-      // a binding name. Passing the actual string introduces other failures.
-      // this.checkReservedWord(node.id, node.start, true, true);
-    }
+
     if (checkLVal) {
       const nameHash: any = Object.create(null);
       if (node.id) {

From ab1e295c7429e43d087fe32c3aeeaaa9bed2aac9 Mon Sep 17 00:00:00 2001
From: K Sashi Kumar <ksashikumark93@gmail.com>
Date: Mon, 5 Mar 2018 00:25:25 +0530
Subject: [PATCH 063/140] [Doc] Remove build-babylon from contributing (#7474)
 [skip ci]

---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fc146657ede6..6db766225b58 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -234,7 +234,7 @@ descriptive name, and add the following:
 After writing tests for babylon, just build it by running:
 
 ```sh
-$ make build-babylon
+$ make build
 ```
 
 Then, to run the tests, use:

From c92e8be612243bc9a32db6b4191d435f5788ae82 Mon Sep 17 00:00:00 2001
From: Marvin Hagemeister <marvin@marvinhagemeister.de>
Date: Sun, 4 Mar 2018 20:46:33 +0100
Subject: [PATCH 064/140] Generating correct assignments for live bindings
 updated with UpdateExpressions  (#7489)

Fixes #7488
---
 packages/babel-helper-simple-access/src/index.js  |  3 ++-
 .../test/fixtures/update-expression/options.json  |  3 +++
 .../update-expression/suffix/negative/input.js    |  7 +++++++
 .../update-expression/suffix/negative/output.js   | 15 +++++++++++++++
 .../update-expression/suffix/positive/input.js    |  7 +++++++
 .../update-expression/suffix/positive/output.js   | 15 +++++++++++++++
 6 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/options.json
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js

diff --git a/packages/babel-helper-simple-access/src/index.js b/packages/babel-helper-simple-access/src/index.js
index 4d3ec6a9223f..b26404223cc3 100644
--- a/packages/babel-helper-simple-access/src/index.js
+++ b/packages/babel-helper-simple-access/src/index.js
@@ -29,8 +29,9 @@ const simpleAssignmentVisitor = {
         (path.parentPath.isExpressionStatement() && !path.isCompletionRecord())
       ) {
         // ++i => (i += 1);
+        const operator = path.node.operator == "++" ? "+=" : "-=";
         path.replaceWith(
-          t.assignmentExpression("+=", arg.node, t.numericLiteral(1)),
+          t.assignmentExpression(operator, arg.node, t.numericLiteral(1)),
         );
       } else {
         const varName = path.scope.generateDeclaredUidIdentifier("old").name;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/options.json
new file mode 100644
index 000000000000..ab27afaee30b
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["external-helpers", ["transform-modules-commonjs"]]
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js
new file mode 100644
index 000000000000..4b99ecd9c235
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js
@@ -0,0 +1,7 @@
+export let diffLevel = 0;
+
+export function diff() {
+  if (!--diffLevel) {
+    console.log("hey");
+  }
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js
new file mode 100644
index 000000000000..213a8856144e
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js
@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true,
+});
+exports.diff = diff;
+exports.diffLevel = void 0;
+let diffLevel = 0;
+exports.diffLevel = diffLevel;
+
+function diff() {
+  if (!(exports.diffLevel = diffLevel = diffLevel - 1)) {
+    console.log("hey");
+  }
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js
new file mode 100644
index 000000000000..a815395f6a89
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js
@@ -0,0 +1,7 @@
+export let diffLevel = 0;
+
+export function diff() {
+  if (!++diffLevel) {
+    console.log("hey");
+  }
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js
new file mode 100644
index 000000000000..72f1c177cfaa
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js
@@ -0,0 +1,15 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true,
+});
+exports.diff = diff;
+exports.diffLevel = void 0;
+let diffLevel = 0;
+exports.diffLevel = diffLevel;
+
+function diff() {
+  if (!(exports.diffLevel = diffLevel = diffLevel + 1)) {
+    console.log("hey");
+  }
+}

From aa669ef9027cb8a350024b76f39ed652ade8b1aa Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sun, 4 Mar 2018 13:25:31 -0800
Subject: [PATCH 065/140] Fix an issue with new update-expression tests.

---
 .../{suffix/negative => negative-suffix}/input.js               | 0
 .../{suffix/negative => negative-suffix}/output.js              | 2 +-
 .../{suffix/positive => positive-suffix}/input.js               | 0
 .../{suffix/positive => positive-suffix}/output.js              | 2 +-
 4 files changed, 2 insertions(+), 2 deletions(-)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/{suffix/negative => negative-suffix}/input.js (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/{suffix/negative => negative-suffix}/output.js (94%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/{suffix/positive => positive-suffix}/input.js (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/{suffix/positive => positive-suffix}/output.js (94%)

diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/negative-suffix/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/input.js
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/negative-suffix/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/negative-suffix/output.js
similarity index 94%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/negative-suffix/output.js
index 213a8856144e..c881117d50d5 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/negative/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/negative-suffix/output.js
@@ -1,7 +1,7 @@
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
-  value: true,
+  value: true
 });
 exports.diff = diff;
 exports.diffLevel = void 0;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/positive-suffix/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/input.js
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/positive-suffix/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/positive-suffix/output.js
similarity index 94%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/positive-suffix/output.js
index 72f1c177cfaa..6fd88b919dac 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/suffix/positive/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/update-expression/positive-suffix/output.js
@@ -1,7 +1,7 @@
 "use strict";
 
 Object.defineProperty(exports, "__esModule", {
-  value: true,
+  value: true
 });
 exports.diff = diff;
 exports.diffLevel = void 0;

From 5f9539e9cc14095391c8703cf40d28d27807ae37 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 17:14:47 -0800
Subject: [PATCH 066/140] Rework the testrunner to pass the input filename
 only.

---
 packages/babel-helper-fixtures/src/index.js     |  1 +
 .../src/index.js                                | 17 ++++++++++++-----
 .../test/fixtures/amd/module-name/output.js     |  2 +-
 .../test/fixtures/loose/module-name/output.js   |  2 +-
 .../output.js                                   |  4 ++--
 .../test/fixtures/loose/module-name/output.js   |  4 ++--
 .../output.js                                   |  4 ++--
 .../test/fixtures/umd/module-name/output.js     |  4 ++--
 8 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/packages/babel-helper-fixtures/src/index.js b/packages/babel-helper-fixtures/src/index.js
index da22a14ec695..dcf01d8b6118 100644
--- a/packages/babel-helper-fixtures/src/index.js
+++ b/packages/babel-helper-fixtures/src/index.js
@@ -124,6 +124,7 @@ export default function get(entryLoc): Array<Suite> {
         if (ext !== ".js" && ext !== ".mjs") return;
 
         execLoc = taskDir;
+        execLocAlias = suiteName + "/" + taskName;
       }
 
       if (resolve.relative(expectLoc + "on")) {
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 77009ec0dc77..407a848166ec 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -329,7 +329,10 @@ function run(task) {
     const newOpts = merge(
       {
         filename: self.loc,
+        filenameRelative: self.filename,
+        sourceFileName: self.filename,
         sourceType: "unambiguous",
+        babelrc: false,
       },
       opts,
     );
@@ -377,7 +380,15 @@ function run(task) {
   let actualCode = actual.code;
   const expectCode = expected.code;
   if (!execCode || actualCode) {
-    result = babel.transform(actualCode, getOpts(actual));
+    result = babel.transform(
+      actualCode,
+      Object.assign(
+        {
+          sourceMapTarget: task.expect.filename,
+        },
+        getOpts(actual),
+      ),
+    );
     checkDuplicatedNodes(result.ast);
     if (
       !expected.code &&
@@ -444,10 +455,6 @@ export default function(
               }
 
               defaults(task.options, {
-                filenameRelative: task.expect.filename,
-                sourceFileName: task.actual.filename,
-                sourceMapTarget: task.expect.filename,
-                babelrc: false,
                 sourceMap: !!(task.sourceMappings || task.sourceMap),
               });
 
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/output.js b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/output.js
index a869bce30100..46d5e5e2744d 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/output.js
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/amd/module-name/output.js
@@ -1,4 +1,4 @@
-define("amd/module-name/output", [], function () {
+define("amd/module-name/input", [], function () {
   "use strict";
 
   foobar();
diff --git a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/output.js b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/output.js
index 347aadf7a002..253b4805f734 100644
--- a/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/output.js
+++ b/packages/babel-plugin-transform-modules-amd/test/fixtures/loose/module-name/output.js
@@ -1,4 +1,4 @@
-define("loose/module-name/output", [], function () {
+define("loose/module-name/input", [], function () {
   "use strict";
 
   foobar();
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name-with-overridden-global/output.js b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name-with-overridden-global/output.js
index 0bc010d814c4..516c1e9a10c0 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name-with-overridden-global/output.js
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name-with-overridden-global/output.js
@@ -1,6 +1,6 @@
 (function (global, factory) {
   if (typeof define === "function" && define.amd) {
-    define("loose/module-name-with-overridden-global/output", ["exports"], factory);
+    define("loose/module-name-with-overridden-global/input", ["exports"], factory);
   } else if (typeof exports !== "undefined") {
     factory(exports);
   } else {
@@ -8,7 +8,7 @@
       exports: {}
     };
     factory(mod.exports);
-    global.looseModuleNameWithOverriddenGlobalOutput = mod.exports;
+    global.looseModuleNameWithOverriddenGlobalInput = mod.exports;
   }
 })(this, function (_exports) {
   "use strict";
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/output.js b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/output.js
index 31d43cd38b71..37b367916622 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/output.js
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/loose/module-name/output.js
@@ -1,6 +1,6 @@
 (function (global, factory) {
   if (typeof define === "function" && define.amd) {
-    define("loose/module-name/output", [], factory);
+    define("loose/module-name/input", [], factory);
   } else if (typeof exports !== "undefined") {
     factory();
   } else {
@@ -8,7 +8,7 @@
       exports: {}
     };
     factory();
-    global.looseModuleNameOutput = mod.exports;
+    global.looseModuleNameInput = mod.exports;
   }
 })(this, function () {
   "use strict";
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name-with-overridden-global/output.js b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name-with-overridden-global/output.js
index f72bc963fe2a..b17d582429ed 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name-with-overridden-global/output.js
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name-with-overridden-global/output.js
@@ -1,6 +1,6 @@
 (function (global, factory) {
   if (typeof define === "function" && define.amd) {
-    define("umd/module-name-with-overridden-global/output", ["exports"], factory);
+    define("umd/module-name-with-overridden-global/input", ["exports"], factory);
   } else if (typeof exports !== "undefined") {
     factory(exports);
   } else {
@@ -8,7 +8,7 @@
       exports: {}
     };
     factory(mod.exports);
-    global.umdModuleNameWithOverriddenGlobalOutput = mod.exports;
+    global.umdModuleNameWithOverriddenGlobalInput = mod.exports;
   }
 })(this, function (_exports) {
   "use strict";
diff --git a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/output.js b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/output.js
index e18249884879..3967f520001c 100644
--- a/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/output.js
+++ b/packages/babel-plugin-transform-modules-umd/test/fixtures/umd/module-name/output.js
@@ -1,6 +1,6 @@
 (function (global, factory) {
   if (typeof define === "function" && define.amd) {
-    define("umd/module-name/output", [], factory);
+    define("umd/module-name/input", [], factory);
   } else if (typeof exports !== "undefined") {
     factory();
   } else {
@@ -8,7 +8,7 @@
       exports: {}
     };
     factory();
-    global.umdModuleNameOutput = mod.exports;
+    global.umdModuleNameInput = mod.exports;
   }
 })(this, function () {
   "use strict";

From beb99dfda1b42afe330f51774544b0baf79ea3ba Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 17:15:04 -0800
Subject: [PATCH 067/140] Rename test fixtures using module syntax to .mjs
 files.

---
 .../enforce-newline-modules-blacklist/{input.js => input.mjs}   | 0
 .../transformation/misc/regression-2892/{input.js => input.mjs} | 0
 .../babel-helper-transform-fixture-test-runner/src/index.js     | 2 +-
 .../general/non-block-arrow-func/{input.js => input.mjs}        | 0
 .../fixtures/general/regression-T2983/{input.js => input.mjs}   | 0
 .../fixtures/general/regression-T7364/{input.js => input.mjs}   | 0
 .../test/fixtures/general/static-export/{input.js => input.mjs} | 0
 .../fixtures/loose/non-block-arrow-func/{input.js => input.mjs} | 0
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 .../{input.js => input.mjs}                                     | 0
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diff --git a/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/input.js b/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/input.mjs
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diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 407a848166ec..a746d43f5f87 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -331,7 +331,7 @@ function run(task) {
         filename: self.loc,
         filenameRelative: self.filename,
         sourceFileName: self.filename,
-        sourceType: "unambiguous",
+        sourceType: "script",
         babelrc: false,
       },
       opts,
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From 7cc00cce0d5e46a6e894bd7c009f593bd2560afb Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 18:22:15 -0800
Subject: [PATCH 068/140] Require output fixture extension to match sourceType
 output.

---
 .../babel-core/src/transformation/index.js    |  1 +
 .../{output.js => output.mjs}                 |  0
 .../src/index.js                              | 21 +++++++++++++++++--
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diff --git a/packages/babel-core/src/transformation/index.js b/packages/babel-core/src/transformation/index.js
index 038ea6d0c6f1..8174f7bd8228 100644
--- a/packages/babel-core/src/transformation/index.js
+++ b/packages/babel-core/src/transformation/index.js
@@ -67,6 +67,7 @@ export function runSync(
     ast: opts.ast === true ? file.ast : null,
     code: outputCode === undefined ? null : outputCode,
     map: outputMap === undefined ? null : outputMap,
+    sourceType: file.ast.program.sourceType,
   };
 }
 
diff --git a/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/output.js b/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/output.mjs
similarity index 100%
rename from packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/output.js
rename to packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/output.mjs
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index a746d43f5f87..aaa5fe387f15 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -397,11 +397,28 @@ function run(task) {
       fs.statSync(path.dirname(expected.loc)).isDirectory() &&
       !process.env.CI
     ) {
-      console.log(`New test file created: ${expected.loc}`);
-      fs.writeFileSync(expected.loc, `${result.code}\n`);
+      const expectedFile = expected.loc.replace(
+        /\.m?js$/,
+        result.sourceType === "module" ? ".mjs" : ".js",
+      );
+
+      console.log(`New test file created: ${expectedFile}`);
+      fs.writeFileSync(expectedFile, `${result.code}\n`);
+
+      if (expected.loc !== expectedFile) {
+        try {
+          fs.unlinkSync(expected.loc);
+        } catch (e) {}
+      }
     } else {
       actualCode = result.code.trim();
       expect(actualCode).toEqual(expectCode);
+
+      if (actualCode) {
+        expect(expected.loc).toMatch(
+          result.sourceType === "module" ? /\.mjs$/ : /\.js$/,
+        );
+      }
     }
   }
 
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/general/non-block-arrow-func/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/general/non-block-arrow-func/output.mjs
similarity index 100%
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rename from packages/babel-preset-env/test/fixtures/preset-options/electron/output.js
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options/exclude-include/output.js b/packages/babel-preset-env/test/fixtures/preset-options/exclude-include/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/exclude-include/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/exclude-include/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/exclude-regenerator/output.js b/packages/babel-preset-env/test/fixtures/preset-options/exclude-regenerator/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/exclude-regenerator/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/exclude-regenerator/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/force-all-transforms/output.js b/packages/babel-preset-env/test/fixtures/preset-options/force-all-transforms/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/force-all-transforms/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/force-all-transforms/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/ie-11-built-ins/output.js b/packages/babel-preset-env/test/fixtures/preset-options/ie-11-built-ins/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/ie-11-built-ins/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/ie-11-built-ins/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/include-built-ins/output.js b/packages/babel-preset-env/test/fixtures/preset-options/include-built-ins/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/include-built-ins/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/include-built-ins/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/modules-false/output.js b/packages/babel-preset-env/test/fixtures/preset-options/modules-false/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/modules-false/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/modules-false/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/modules-systemjs/output.js b/packages/babel-preset-env/test/fixtures/preset-options/modules-systemjs/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/modules-systemjs/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/modules-systemjs/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/no-transform/output.js b/packages/babel-preset-env/test/fixtures/preset-options/no-transform/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/no-transform/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/no-transform/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-all/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-all/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-all/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-all/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-48/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-48/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-48/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-48/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-49/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-49/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-49/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chrome-49/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chromeandroid/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chromeandroid/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chromeandroid/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-chromeandroid/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-ie-9/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-ie-9/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-ie-9/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-ie-9/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-import/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-import/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-import/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-import/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node-web/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node-web/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node-web/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node-web/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node/output.js b/packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/use-builtins-node/output.mjs
diff --git a/packages/babel-preset-es2015/test/fixtures/preset-options/modules-false/output.js b/packages/babel-preset-es2015/test/fixtures/preset-options/modules-false/output.mjs
similarity index 100%
rename from packages/babel-preset-es2015/test/fixtures/preset-options/modules-false/output.js
rename to packages/babel-preset-es2015/test/fixtures/preset-options/modules-false/output.mjs
diff --git a/packages/babel-preset-es2015/test/fixtures/preset-options/modules-systemjs/output.js b/packages/babel-preset-es2015/test/fixtures/preset-options/modules-systemjs/output.mjs
similarity index 100%
rename from packages/babel-preset-es2015/test/fixtures/preset-options/modules-systemjs/output.js
rename to packages/babel-preset-es2015/test/fixtures/preset-options/modules-systemjs/output.mjs

From 5c3092d86f16680c9cfb3a1f8ce339359c69a82b Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 13:10:58 -0800
Subject: [PATCH 069/140] Expand `.raise()` to allow more options.

---
 packages/babylon/src/parser/location.js | 6 +++++-
 packages/babylon/src/parser/util.js     | 4 ++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/babylon/src/parser/location.js b/packages/babylon/src/parser/location.js
index f3b0fb656d07..24ffe0168c19 100644
--- a/packages/babylon/src/parser/location.js
+++ b/packages/babylon/src/parser/location.js
@@ -13,7 +13,11 @@ export default class LocationParser extends CommentsParser {
   raise(
     pos: number,
     message: string,
-    missingPluginNames?: Array<string>,
+    {
+      missingPluginNames,
+    }: {
+      missingPluginNames?: Array<string>,
+    } = {},
   ): empty {
     const loc = getLineInfo(this.input, pos);
     message += ` (${loc.line}:${loc.column})`;
diff --git a/packages/babylon/src/parser/util.js b/packages/babylon/src/parser/util.js
index c89e40bd8f81..dd5a14a16790 100644
--- a/packages/babylon/src/parser/util.js
+++ b/packages/babylon/src/parser/util.js
@@ -120,7 +120,7 @@ export default class UtilParser extends Tokenizer {
       throw this.raise(
         pos != null ? pos : this.state.start,
         `This experimental syntax requires enabling the parser plugin: '${name}'`,
-        [name],
+        { missingPluginNames: [name] },
       );
     }
 
@@ -134,7 +134,7 @@ export default class UtilParser extends Tokenizer {
         `This experimental syntax requires enabling one of the following parser plugin(s): '${names.join(
           ", ",
         )}'`,
-        names,
+        { missingPluginNames: names },
       );
     }
   }

From 5f6e3122a0e7bf0bdde0a5d03e20ea93b041a39b Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sat, 3 Mar 2018 13:21:38 -0800
Subject: [PATCH 070/140] Give users helpful feedback if they are detected as
 using the wrong sourceType.

---
 .../src/transformation/normalize-file.js      |  6 ++++
 .../src/index.js                              |  5 +++-
 .../fixtures/misc/module-exports/output.js    | 28 +++++++++----------
 packages/babylon/src/parser/expression.js     |  1 +
 packages/babylon/src/parser/location.js       |  5 ++++
 packages/babylon/src/parser/statement.js      |  3 ++
 6 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/packages/babel-core/src/transformation/normalize-file.js b/packages/babel-core/src/transformation/normalize-file.js
index 2ff27aadaf0d..2ea1e034eda4 100644
--- a/packages/babel-core/src/transformation/normalize-file.js
+++ b/packages/babel-core/src/transformation/normalize-file.js
@@ -89,6 +89,12 @@ function parser(pluginPasses, options, code) {
     }
     throw new Error("More than one plugin attempted to override parsing.");
   } catch (err) {
+    if (err.code === "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED") {
+      err.message +=
+        "\nConsider renaming the file to '.mjs', or setting sourceType:module " +
+        "or sourceType:unambiguous in your Babel config for this file.";
+    }
+
     const { loc, missingPlugin } = err;
     if (loc) {
       const codeFrame = codeFrameColumns(
diff --git a/packages/babel-plugin-transform-modules-commonjs/src/index.js b/packages/babel-plugin-transform-modules-commonjs/src/index.js
index 6ed08a8abc47..6edc09b96cc4 100644
--- a/packages/babel-plugin-transform-modules-commonjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-commonjs/src/index.js
@@ -31,7 +31,10 @@ export default function(api, options) {
 
   const getAssertion = localName => template.expression.ast`
     (function(){
-      throw new Error("The CommonJS '" + "${localName}" + "' variable is not available in ES6 modules.");
+      throw new Error(
+        "The CommonJS '" + "${localName}" + "' variable is not available in ES6 modules." +
+        "Consider setting setting sourceType:script or sourceType:unambiguous in your " +
+        "Babel config for this file.");
     })()
   `;
 
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/module-exports/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/module-exports/output.js
index e1138b612d84..3e9254c59bf2 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/module-exports/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/module-exports/output.js
@@ -3,56 +3,56 @@
 require("foo");
 
 console.log(function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }());
 console.log(function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }().prop);
 
 exports = function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }() + 1;
 
 exports = function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }() + 4;
 
 ({
   exports
 } = ({}, function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }()));
 [exports] = ([], function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }());
 exports = {};
 (function () {
-  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "exports" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 })().prop = "";
 console.log(function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }());
 console.log(function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }().exports);
 
 module = function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }() + 1;
 
 module = function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }() + 4;
 
 ({
   module
 } = ({}, function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }()));
 [module] = ([], function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 }());
 module = {};
 (function () {
-  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules.");
+  throw new Error("The CommonJS '" + "module" + "' variable is not available in ES6 modules." + "Consider setting setting sourceType:script or sourceType:unambiguous in your " + "Babel config for this file.");
 })().prop = "";
diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 73dc458d0eb4..1712baf40fbe 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -949,6 +949,7 @@ export default class ExpressionParser extends LValParser {
       this.raise(
         id.start,
         `import.meta may appear only with 'sourceType: "module"'`,
+        { code: "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED" },
       );
     }
     return this.parseMetaProperty(node, id, "meta");
diff --git a/packages/babylon/src/parser/location.js b/packages/babylon/src/parser/location.js
index 24ffe0168c19..79db584a4995 100644
--- a/packages/babylon/src/parser/location.js
+++ b/packages/babylon/src/parser/location.js
@@ -15,8 +15,10 @@ export default class LocationParser extends CommentsParser {
     message: string,
     {
       missingPluginNames,
+      code,
     }: {
       missingPluginNames?: Array<string>,
+      code?: string,
     } = {},
   ): empty {
     const loc = getLineInfo(this.input, pos);
@@ -30,6 +32,9 @@ export default class LocationParser extends CommentsParser {
     if (missingPluginNames) {
       err.missingPlugin = missingPluginNames;
     }
+    if (code !== undefined) {
+      err.code = code;
+    }
     throw err;
   }
 }
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index ab917a22db56..d736b46184bf 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -192,6 +192,9 @@ export default class StatementParser extends ExpressionParser {
       this.raise(
         node.start,
         `'import' and 'export' may appear only with 'sourceType: "module"'`,
+        {
+          code: "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED",
+        },
       );
     }
   }

From a4795408b47e713aa2635d54197343be77e30f35 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sun, 4 Mar 2018 14:36:54 -0800
Subject: [PATCH 071/140] Allow plugins to assert that a specific babel version
 has loaded the plugin. (#7450)

---
 packages/babel-core/package.json              |  1 +
 .../src/config/helpers/config-api.js          | 51 +++++++++++++++
 .../babel-helper-plugin-utils/package.json    | 10 +++
 .../babel-helper-plugin-utils/src/README.md   | 41 ++++++++++++
 .../babel-helper-plugin-utils/src/index.js    | 65 +++++++++++++++++++
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../babel-plugin-syntax-flow/package.json     |  3 +
 .../babel-plugin-syntax-flow/src/index.js     |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 packages/babel-plugin-syntax-jsx/package.json |  3 +
 packages/babel-plugin-syntax-jsx/src/index.js |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  3 +
 .../src/index.js                              |  8 ++-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  6 +-
 .../package.json                              |  3 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 .../package.json                              |  1 +
 .../src/index.js                              |  7 +-
 packages/babel-preset-env/package.json        |  1 +
 packages/babel-preset-env/src/index.js        | 12 ++--
 packages/babel-preset-es2015/package.json     |  1 +
 packages/babel-preset-es2015/src/index.js     |  7 +-
 packages/babel-preset-es2015/test/index.js    | 23 +++----
 packages/babel-preset-es2016/package.json     |  1 +
 packages/babel-preset-es2016/src/index.js     |  7 +-
 packages/babel-preset-es2017/package.json     |  1 +
 packages/babel-preset-es2017/src/index.js     |  7 +-
 packages/babel-preset-flow/package.json       |  1 +
 packages/babel-preset-flow/src/index.js       |  7 +-
 packages/babel-preset-react/package.json      |  1 +
 packages/babel-preset-react/src/index.js      |  7 +-
 packages/babel-preset-react/test/index.js     |  6 +-
 packages/babel-preset-stage-0/package.json    |  1 +
 packages/babel-preset-stage-0/src/index.js    |  7 +-
 packages/babel-preset-stage-1/package.json    |  1 +
 packages/babel-preset-stage-1/src/index.js    |  7 +-
 packages/babel-preset-stage-2/package.json    |  1 +
 packages/babel-preset-stage-2/src/index.js    |  7 +-
 packages/babel-preset-stage-3/package.json    |  1 +
 packages/babel-preset-stage-3/src/index.js    |  7 +-
 packages/babel-preset-typescript/package.json |  1 +
 packages/babel-preset-typescript/src/index.js |  7 +-
 201 files changed, 875 insertions(+), 212 deletions(-)
 create mode 100644 packages/babel-helper-plugin-utils/package.json
 create mode 100644 packages/babel-helper-plugin-utils/src/README.md
 create mode 100644 packages/babel-helper-plugin-utils/src/index.js

diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 99e8b60fb5ae..281b39deb6c6 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -41,6 +41,7 @@
     "lodash": "^4.2.0",
     "micromatch": "^2.3.11",
     "resolve": "^1.3.2",
+    "semver": "^5.4.1",
     "source-map": "^0.5.0"
   },
   "devDependencies": {
diff --git a/packages/babel-core/src/config/helpers/config-api.js b/packages/babel-core/src/config/helpers/config-api.js
index 933c6050167d..da14c22eebf5 100644
--- a/packages/babel-core/src/config/helpers/config-api.js
+++ b/packages/babel-core/src/config/helpers/config-api.js
@@ -1,4 +1,7 @@
 // @flow
+
+import semver from "semver";
+import { version as coreVersion } from "../../";
 import type { CacheConfigurator, SimpleCacheConfigurator } from "../caching";
 
 type EnvFunction = {
@@ -9,9 +12,11 @@ type EnvFunction = {
 };
 
 export type PluginAPI = {
+  version: string,
   cache: SimpleCacheConfigurator,
   env: EnvFunction,
   async: () => boolean,
+  assertVersion: typeof assertVersion,
 };
 
 export default function makeAPI(
@@ -32,9 +37,55 @@ export default function makeAPI(
     });
 
   return {
+    version: coreVersion,
     cache: cache.simple(),
     // Expose ".env()" so people can easily get the same env that we expose using the "env" key.
     env,
     async: () => false,
+    assertVersion,
   };
 }
+
+function assertVersion(range: string | number): void {
+  if (typeof range === "number") {
+    if (!Number.isInteger(range)) {
+      throw new Error("Expected string or integer value.");
+    }
+    range = `^${range}.0.0-0`;
+  }
+  if (typeof range !== "string") {
+    throw new Error("Expected string or integer value.");
+  }
+
+  if (semver.satisfies(coreVersion, range)) return;
+
+  const limit = Error.stackTraceLimit;
+
+  if (typeof limit === "number" && limit < 25) {
+    // Bump up the limit if needed so that users are more likely
+    // to be able to see what is calling Babel.
+    Error.stackTraceLimit = 25;
+  }
+
+  const err = new Error(
+    `Requires Babel "${range}", but was loaded with "${coreVersion}". ` +
+      `If you are sure you have a compatible version of @babel/core, ` +
+      `it is likely that something in your build process is loading the ` +
+      `wrong version. Inspect the stack trace of this error to look for ` +
+      `the first entry that doesn't mention "@babel/core" or "babel-core" ` +
+      `to see what is calling Babel.`,
+  );
+
+  if (typeof limit === "number") {
+    Error.stackTraceLimit = limit;
+  }
+
+  throw Object.assign(
+    err,
+    ({
+      code: "BABEL_VERSION_UNSUPPORTED",
+      version: coreVersion,
+      range,
+    }: any),
+  );
+}
diff --git a/packages/babel-helper-plugin-utils/package.json b/packages/babel-helper-plugin-utils/package.json
new file mode 100644
index 000000000000..e49ccf367254
--- /dev/null
+++ b/packages/babel-helper-plugin-utils/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "@babel/helper-plugin-utils",
+  "version": "7.0.0-beta.40",
+  "description": "General utilities for plugins to use",
+  "author": "Logan Smyth <loganfsmyth@gmail.com>",
+  "homepage": "https://babeljs.io/",
+  "license": "MIT",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-plugin-utils",
+  "main": "lib/index.js"
+}
diff --git a/packages/babel-helper-plugin-utils/src/README.md b/packages/babel-helper-plugin-utils/src/README.md
new file mode 100644
index 000000000000..4079c2d4e6cf
--- /dev/null
+++ b/packages/babel-helper-plugin-utils/src/README.md
@@ -0,0 +1,41 @@
+# @babel/helper-plugin-utils
+
+The intention of this module is to provide a place for us to expose a
+standardized API layer over top of what Babel's core API provides on its own.
+
+This is not aiming to implement APIs that are missing on a given Babel version,
+but it is means to provide clear error messages if a plugin is run on a version
+of Babel that doesn't have the APIs that the plugin is trying to use.
+
+Every one of Babel's core plugins and presets will use this module, and ideally
+because of that its size should be kept to a miminum because this may or may
+not be deduplicated when installed.
+
+
+## Usage
+
+```js
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare((api, options, dirname) => {
+  return {};
+});
+```
+
+
+## What this does
+
+Currently, this plugin provides a few services to ensure that plugins function
+well-enough to throw useful errors.
+
+### `options` is always passed
+
+Babel 6 does not pass a second parameter. This frequently means that plugins
+written for Babel 7 that use `options` will attempt to destructure options
+out of an `undefined` value. By supplying the default, we avoid that risk.
+
+### `api.assertVersion` always exists
+
+Babel 6 and early betas of Babel 7 do not have `assertVersion`, so this
+wrapper ensures that it exists and throws a useful error message when not
+supplied by Babel itself.
diff --git a/packages/babel-helper-plugin-utils/src/index.js b/packages/babel-helper-plugin-utils/src/index.js
new file mode 100644
index 000000000000..d789aaafb433
--- /dev/null
+++ b/packages/babel-helper-plugin-utils/src/index.js
@@ -0,0 +1,65 @@
+export function declare(builder) {
+  return (api, options, dirname) => {
+    if (!api.assertVersion) {
+      // Inject a custom version of 'assertVersion' for Babel 6 and early
+      // versions of Babel 7's beta that didn't have it.
+      api = Object.assign({}, api, {
+        assertVersion(range) {
+          throwVersionError(range, api.version);
+        },
+      });
+    }
+
+    return builder(api, options || {}, dirname);
+  };
+}
+
+function throwVersionError(range, version) {
+  if (typeof range === "number") {
+    if (!Number.isInteger(range)) {
+      throw new Error("Expected string or integer value.");
+    }
+    range = `^${range}.0.0-0`;
+  }
+  if (typeof range !== "string") {
+    throw new Error("Expected string or integer value.");
+  }
+
+  const limit = Error.stackTraceLimit;
+
+  if (typeof limit === "number" && limit < 25) {
+    // Bump up the limit if needed so that users are more likely
+    // to be able to see what is calling Babel.
+    Error.stackTraceLimit = 25;
+  }
+
+  let err;
+  if (version.slice(0, 2) === "7.") {
+    err = new Error(
+      `Requires Babel "^7.0.0-beta.41", but was loaded with "${version}". ` +
+        `You'll need to update your @babel/core version.`,
+    );
+  } else {
+    err = new Error(
+      `Requires Babel "${range}", but was loaded with "${version}". ` +
+        `If you are sure you have a compatible version of @babel/core, ` +
+        `it is likely that something in your build process is loading the ` +
+        `wrong version. Inspect the stack trace of this error to look for ` +
+        `the first entry that doesn't mention "@babel/core" or "babel-core" ` +
+        `to see what is calling Babel.`,
+    );
+  }
+
+  if (typeof limit === "number") {
+    Error.stackTraceLimit = limit;
+  }
+
+  throw Object.assign(
+    err,
+    ({
+      code: "BABEL_VERSION_UNSUPPORTED",
+      version,
+      range,
+    }: any),
+  );
+}
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index bffa596f98a2..c03340a7c655 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-external-helpers/src/index.js b/packages/babel-plugin-external-helpers/src/index.js
index d11c7f19a0ee..219da24f9b35 100644
--- a/packages/babel-plugin-external-helpers/src/index.js
+++ b/packages/babel-plugin-external-helpers/src/index.js
@@ -1,9 +1,12 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     pre(file) {
       file.set("helpersNamespace", t.identifier("babelHelpers"));
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 5aa7d1335f5a..532daf2b5751 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-remap-async-to-generator": "7.0.0-beta.40",
     "@babel/plugin-syntax-async-generators": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-proposal-async-generator-functions/src/index.js b/packages/babel-plugin-proposal-async-generator-functions/src/index.js
index 4c55a9787eae..7b65a69adb01 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/src/index.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/src/index.js
@@ -1,8 +1,11 @@
+import { declare } from "@babel/helper-plugin-utils";
 import remapAsyncToGenerator from "@babel/helper-remap-async-to-generator";
 import syntaxAsyncGenerators from "@babel/plugin-syntax-async-generators";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   const yieldStarVisitor = {
     Function(path) {
       path.skip();
@@ -33,4 +36,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index 76c92be1edd8..c0e2e60ac9ff 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-function-name": "7.0.0-beta.40",
     "@babel/plugin-syntax-class-properties": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-proposal-class-properties/src/index.js b/packages/babel-plugin-proposal-class-properties/src/index.js
index 38ecd56fbd89..a826b310ea19 100644
--- a/packages/babel-plugin-proposal-class-properties/src/index.js
+++ b/packages/babel-plugin-proposal-class-properties/src/index.js
@@ -1,8 +1,11 @@
+import { declare } from "@babel/helper-plugin-utils";
 import nameFunction from "@babel/helper-function-name";
 import syntaxClassProperties from "@babel/plugin-syntax-class-properties";
 import { template, types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose } = options;
 
   const findBareSupers = {
@@ -247,4 +250,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index ba8eaa010d95..4cb399072d54 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -12,6 +12,7 @@
     "decorators"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-decorators": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-decorators/src/index.js b/packages/babel-plugin-proposal-decorators/src/index.js
index 67884c13023c..fee3f43d6b24 100644
--- a/packages/babel-plugin-proposal-decorators/src/index.js
+++ b/packages/babel-plugin-proposal-decorators/src/index.js
@@ -1,5 +1,6 @@
 // Fork of https://github.com/loganfsmyth/babel-plugin-proposal-decorators-legacy
 
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxDecorators from "@babel/plugin-syntax-decorators";
 import { template, types as t } from "@babel/core";
 
@@ -26,7 +27,9 @@ const buildGetObjectInitializer = template(`
     })
 `);
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   const WARNING_CALLS = new WeakSet();
 
   /**
@@ -276,4 +279,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index eca1144e107d..553c490cc0ed 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-do-expressions": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-do-expressions/src/index.js b/packages/babel-plugin-proposal-do-expressions/src/index.js
index 731ddbb22ad2..b9e8d6180ab9 100644
--- a/packages/babel-plugin-proposal-do-expressions/src/index.js
+++ b/packages/babel-plugin-proposal-do-expressions/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxDoExpressions from "@babel/plugin-syntax-do-expressions";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxDoExpressions,
 
@@ -17,4 +20,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index 75aeb97bde9f..086ebf580706 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-export-default-from": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-export-default-from/src/index.js b/packages/babel-plugin-proposal-export-default-from/src/index.js
index c5c226f80bd1..204bdaa2e431 100644
--- a/packages/babel-plugin-proposal-export-default-from/src/index.js
+++ b/packages/babel-plugin-proposal-export-default-from/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxExportDefaultFrom from "@babel/plugin-syntax-export-default-from";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxExportDefaultFrom,
 
@@ -33,4 +36,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index e25367599d23..2ede612c65c2 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-export-namespace-from/src/index.js b/packages/babel-plugin-proposal-export-namespace-from/src/index.js
index ec07791bebb1..3d9e4f48126b 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/src/index.js
+++ b/packages/babel-plugin-proposal-export-namespace-from/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxExportNamespaceFrom from "@babel/plugin-syntax-export-namespace-from";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxExportNamespaceFrom,
 
@@ -43,4 +46,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index e93b299efa03..3caf367b4a07 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-function-bind": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-function-bind/src/index.js b/packages/babel-plugin-proposal-function-bind/src/index.js
index ca9939d039d0..57a6a759e350 100644
--- a/packages/babel-plugin-proposal-function-bind/src/index.js
+++ b/packages/babel-plugin-proposal-function-bind/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxFunctionBind from "@babel/plugin-syntax-function-bind";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function getTempId(scope) {
     let id = scope.path.getData("functionBind");
     if (id) return id;
@@ -60,4 +63,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index 36eab223396e..22e2dd5619fc 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-wrap-function": "7.0.0-beta.40",
     "@babel/plugin-syntax-function-sent": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-proposal-function-sent/src/index.js b/packages/babel-plugin-proposal-function-sent/src/index.js
index 008f8dc88fc6..16237e0ac40c 100644
--- a/packages/babel-plugin-proposal-function-sent/src/index.js
+++ b/packages/babel-plugin-proposal-function-sent/src/index.js
@@ -1,8 +1,11 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxFunctionSent from "@babel/plugin-syntax-function-sent";
 import wrapFunction from "@babel/helper-wrap-function";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   const isFunctionSent = node =>
     t.isIdentifier(node.meta, { name: "function" }) &&
     t.isIdentifier(node.property, { name: "sent" });
@@ -57,4 +60,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
index 94f116ae96bc..12e0f1265ce9 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
index bba8a28c37c0..8c3c2e15f020 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxLogicalAssignmentOperators from "@babel/plugin-syntax-logical-assignment-operators";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxLogicalAssignmentOperators,
 
@@ -39,4 +42,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index 8c290d92cb2f..47585a85d36d 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/src/index.js b/packages/babel-plugin-proposal-nullish-coalescing-operator/src/index.js
index b9469081af35..454b4c057a8c 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/src/index.js
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxNullishCoalescingOperator from "@babel/plugin-syntax-nullish-coalescing-operator";
 import { types as t } from "@babel/core";
 
-export default function(api, { loose = false }) {
+export default declare((api, { loose = false }) => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxNullishCoalescingOperator,
 
@@ -43,4 +46,4 @@ export default function(api, { loose = false }) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index 542df90fefc0..30086350515c 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-numeric-separator/src/index.js b/packages/babel-plugin-proposal-numeric-separator/src/index.js
index d81cc3f98f88..822ade1b8c4d 100644
--- a/packages/babel-plugin-proposal-numeric-separator/src/index.js
+++ b/packages/babel-plugin-proposal-numeric-separator/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxNumericSeparator from "@babel/plugin-syntax-numeric-separator";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function replaceNumberArg({ node }) {
     if (node.callee.name !== "Number") {
       return;
@@ -29,4 +32,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index a988639b5b6d..bde8adf6dada 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-object-rest-spread/src/index.js b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
index f4941e5f5f24..c949529288da 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxObjectRestSpread from "@babel/plugin-syntax-object-rest-spread";
 import { types as t } from "@babel/core";
 
-export default function(api, opts) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   const { useBuiltIns = false, loose = false } = opts;
 
   if (typeof loose !== "boolean") {
@@ -404,4 +407,4 @@ export default function(api, opts) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index 25f7df7442b4..104c697fadc4 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/src/index.js b/packages/babel-plugin-proposal-optional-catch-binding/src/index.js
index 8c2758fec20f..f3f0daa99a0e 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/src/index.js
+++ b/packages/babel-plugin-proposal-optional-catch-binding/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxOptionalCatchBinding from "@babel/plugin-syntax-optional-catch-binding";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxOptionalCatchBinding,
 
@@ -14,4 +17,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index 796fc1ba8f16..f4148716b5ac 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-optional-chaining/src/index.js b/packages/babel-plugin-proposal-optional-chaining/src/index.js
index 1a854c082bdb..0da7c84238bc 100644
--- a/packages/babel-plugin-proposal-optional-chaining/src/index.js
+++ b/packages/babel-plugin-proposal-optional-chaining/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxOptionalChaining from "@babel/plugin-syntax-optional-chaining";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose = false } = options;
 
   function optional(path, replacementPath) {
@@ -136,4 +139,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index 98bd876badfe..20a3dfa28ce2 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-pipeline-operator/src/index.js b/packages/babel-plugin-proposal-pipeline-operator/src/index.js
index e96bd2231a9a..c56b5c84255d 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/src/index.js
+++ b/packages/babel-plugin-proposal-pipeline-operator/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxPipelineOperator from "@babel/plugin-syntax-pipeline-operator";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxPipelineOperator,
 
@@ -57,4 +60,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index dbb0c6264f8f..7e63e4b3e7ec 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-proposal-throw-expressions/src/index.js b/packages/babel-plugin-proposal-throw-expressions/src/index.js
index f5020492637f..17cc945784a5 100644
--- a/packages/babel-plugin-proposal-throw-expressions/src/index.js
+++ b/packages/babel-plugin-proposal-throw-expressions/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxThrowExpressions from "@babel/plugin-syntax-throw-expressions";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxThrowExpressions,
 
@@ -20,4 +23,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index 1b947edae22a..5322d39fd071 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -19,6 +19,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-unicode-property-regex",
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/src/index.js b/packages/babel-plugin-proposal-unicode-property-regex/src/index.js
index 5da0afc52b2d..e48298ed8999 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/src/index.js
+++ b/packages/babel-plugin-proposal-unicode-property-regex/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import rewritePattern from "regexpu-core";
 import * as regex from "@babel/helper-regex";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { useUnicodeFlag = true } = options;
   if (typeof useUnicodeFlag !== "boolean") {
     throw new Error(".useUnicodeFlag must be a boolean, or undefined");
@@ -24,4 +27,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-async-generators/package.json b/packages/babel-plugin-syntax-async-generators/package.json
index 9fcf29ac5019..79979ec50de2 100644
--- a/packages/babel-plugin-syntax-async-generators/package.json
+++ b/packages/babel-plugin-syntax-async-generators/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-async-generators/src/index.js b/packages/babel-plugin-syntax-async-generators/src/index.js
index f94586ed81c0..44e1b1dd52aa 100644
--- a/packages/babel-plugin-syntax-async-generators/src/index.js
+++ b/packages/babel-plugin-syntax-async-generators/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("asyncGenerators");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-class-properties/package.json b/packages/babel-plugin-syntax-class-properties/package.json
index bb21269d0c4c..4e0207f8c3e0 100644
--- a/packages/babel-plugin-syntax-class-properties/package.json
+++ b/packages/babel-plugin-syntax-class-properties/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-class-properties/src/index.js b/packages/babel-plugin-syntax-class-properties/src/index.js
index 496f07c66476..8f4ee109291a 100644
--- a/packages/babel-plugin-syntax-class-properties/src/index.js
+++ b/packages/babel-plugin-syntax-class-properties/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("classProperties");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index 8e6adad3aad3..8cc7c366cdf7 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-decorators/src/index.js b/packages/babel-plugin-syntax-decorators/src/index.js
index f29917451a4b..950d6ebc518b 100644
--- a/packages/babel-plugin-syntax-decorators/src/index.js
+++ b/packages/babel-plugin-syntax-decorators/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("decorators");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index ebb1c774cc1c..f5e6b10208f7 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-do-expressions/src/index.js b/packages/babel-plugin-syntax-do-expressions/src/index.js
index 2b91fd23fdbb..5105beed9c64 100644
--- a/packages/babel-plugin-syntax-do-expressions/src/index.js
+++ b/packages/babel-plugin-syntax-do-expressions/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("doExpressions");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-dynamic-import/package.json b/packages/babel-plugin-syntax-dynamic-import/package.json
index dd3da32617a1..2f8a9b5291c0 100644
--- a/packages/babel-plugin-syntax-dynamic-import/package.json
+++ b/packages/babel-plugin-syntax-dynamic-import/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-dynamic-import/src/index.js b/packages/babel-plugin-syntax-dynamic-import/src/index.js
index bac1815edcea..bb6dde61e46b 100644
--- a/packages/babel-plugin-syntax-dynamic-import/src/index.js
+++ b/packages/babel-plugin-syntax-dynamic-import/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("dynamicImport");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index e7bea9543c59..01499d325683 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-export-default-from/src/index.js b/packages/babel-plugin-syntax-export-default-from/src/index.js
index 6d7a78feea8a..fcb0b794492c 100644
--- a/packages/babel-plugin-syntax-export-default-from/src/index.js
+++ b/packages/babel-plugin-syntax-export-default-from/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("exportDefaultFrom");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-export-namespace-from/package.json b/packages/babel-plugin-syntax-export-namespace-from/package.json
index 8fbdc3cf8610..94f60e86d60d 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/package.json
+++ b/packages/babel-plugin-syntax-export-namespace-from/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-export-namespace-from/src/index.js b/packages/babel-plugin-syntax-export-namespace-from/src/index.js
index 15dfac7d900b..21446499a6a0 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/src/index.js
+++ b/packages/babel-plugin-syntax-export-namespace-from/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("exportNamespaceFrom");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 5e06fbbe8f1f..1e242f5bd78f 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-flow/src/index.js b/packages/babel-plugin-syntax-flow/src/index.js
index 0043b1455fe2..3ad2fbb2db4b 100644
--- a/packages/babel-plugin-syntax-flow/src/index.js
+++ b/packages/babel-plugin-syntax-flow/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("flow");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index 355896f7298f..9ba13c42cc8a 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-function-bind/src/index.js b/packages/babel-plugin-syntax-function-bind/src/index.js
index 31ddfa50c6c9..98c5082f88bc 100644
--- a/packages/babel-plugin-syntax-function-bind/src/index.js
+++ b/packages/babel-plugin-syntax-function-bind/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("functionBind");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index 8c4fd1468031..fba5bbedbdf2 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-function-sent/src/index.js b/packages/babel-plugin-syntax-function-sent/src/index.js
index 9481f1983a05..cb8471dd4af3 100644
--- a/packages/babel-plugin-syntax-function-sent/src/index.js
+++ b/packages/babel-plugin-syntax-function-sent/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("functionSent");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-import-meta/package.json b/packages/babel-plugin-syntax-import-meta/package.json
index 78c5050f5b5f..3ef7fdf90b47 100644
--- a/packages/babel-plugin-syntax-import-meta/package.json
+++ b/packages/babel-plugin-syntax-import-meta/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-import-meta/src/index.js b/packages/babel-plugin-syntax-import-meta/src/index.js
index 0aad339bfc70..36e22743b08c 100644
--- a/packages/babel-plugin-syntax-import-meta/src/index.js
+++ b/packages/babel-plugin-syntax-import-meta/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("importMeta");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index e9b7d34a9d2e..bf553d40e6c3 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-jsx/src/index.js b/packages/babel-plugin-syntax-jsx/src/index.js
index eb8986ab28ab..3a17865e6dc8 100644
--- a/packages/babel-plugin-syntax-jsx/src/index.js
+++ b/packages/babel-plugin-syntax-jsx/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("jsx");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/package.json b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
index a638697e4c8b..8c1a0cb292c4 100644
--- a/packages/babel-plugin-syntax-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js b/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
index 20f6ab064ab0..d283645e1cff 100644
--- a/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("logicalAssignment");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
index 8c03b7eb69c9..e00bf0cfb9e7 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/src/index.js b/packages/babel-plugin-syntax-nullish-coalescing-operator/src/index.js
index d5cf5faa5afc..69578ca419a1 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/src/index.js
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("nullishCoalescingOperator");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-numeric-separator/package.json b/packages/babel-plugin-syntax-numeric-separator/package.json
index 3b753892e17a..fc7756809b08 100644
--- a/packages/babel-plugin-syntax-numeric-separator/package.json
+++ b/packages/babel-plugin-syntax-numeric-separator/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-numeric-separator/src/index.js b/packages/babel-plugin-syntax-numeric-separator/src/index.js
index 7d7fbd4f74b8..8a9cd625ed31 100644
--- a/packages/babel-plugin-syntax-numeric-separator/src/index.js
+++ b/packages/babel-plugin-syntax-numeric-separator/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("numericSeparator");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-object-rest-spread/package.json b/packages/babel-plugin-syntax-object-rest-spread/package.json
index a622847be50a..246cd85861ad 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/package.json
+++ b/packages/babel-plugin-syntax-object-rest-spread/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-object-rest-spread/src/index.js b/packages/babel-plugin-syntax-object-rest-spread/src/index.js
index 6eb03aa8195a..7cd1b759a403 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-syntax-object-rest-spread/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("objectRestSpread");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/package.json b/packages/babel-plugin-syntax-optional-catch-binding/package.json
index 654fedab8388..1b8b90277823 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/package.json
+++ b/packages/babel-plugin-syntax-optional-catch-binding/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/src/index.js b/packages/babel-plugin-syntax-optional-catch-binding/src/index.js
index 769a8df74fd1..466b78e570f3 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/src/index.js
+++ b/packages/babel-plugin-syntax-optional-catch-binding/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("optionalCatchBinding");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-optional-chaining/package.json b/packages/babel-plugin-syntax-optional-chaining/package.json
index 588efb49e25a..20c10be54752 100644
--- a/packages/babel-plugin-syntax-optional-chaining/package.json
+++ b/packages/babel-plugin-syntax-optional-chaining/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-optional-chaining/src/index.js b/packages/babel-plugin-syntax-optional-chaining/src/index.js
index 76d014a88a6a..5677a39ee9d7 100644
--- a/packages/babel-plugin-syntax-optional-chaining/src/index.js
+++ b/packages/babel-plugin-syntax-optional-chaining/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("optionalChaining");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index a6e9180cdfed..34f5ac08e1c3 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-pipeline-operator/src/index.js b/packages/babel-plugin-syntax-pipeline-operator/src/index.js
index 0021ae691cfc..c77a915babae 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/src/index.js
+++ b/packages/babel-plugin-syntax-pipeline-operator/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("pipelineOperator");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index 9f0ca9bdeb16..7ecada466289 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-throw-expressions/src/index.js b/packages/babel-plugin-syntax-throw-expressions/src/index.js
index 72df25507455..62150d3655d0 100644
--- a/packages/babel-plugin-syntax-throw-expressions/src/index.js
+++ b/packages/babel-plugin-syntax-throw-expressions/src/index.js
@@ -1,7 +1,11 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("throwExpressions");
     },
   };
-}
+});
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index 0afb3590c124..5b379c117899 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -9,6 +9,9 @@
     "babel-plugin",
     "typescript"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-syntax-typescript/src/index.js b/packages/babel-plugin-syntax-typescript/src/index.js
index 5dee6ceed19d..09be2c66a879 100644
--- a/packages/babel-plugin-syntax-typescript/src/index.js
+++ b/packages/babel-plugin-syntax-typescript/src/index.js
@@ -1,4 +1,8 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push(
@@ -8,4 +12,4 @@ export default function() {
       );
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index b8742cdeaba2..a3b0377dc44a 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-arrow-functions/src/index.js b/packages/babel-plugin-transform-arrow-functions/src/index.js
index 2f02cd0d94ac..bc74d0eedf98 100644
--- a/packages/babel-plugin-transform-arrow-functions/src/index.js
+++ b/packages/babel-plugin-transform-arrow-functions/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import type NodePath from "@babel/traverse";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { spec } = options;
   return {
     visitor: {
@@ -20,4 +23,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index 009dc314e7c1..0dd59f85210a 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-module-imports": "7.0.0-beta.40",
     "@babel/helper-remap-async-to-generator": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-async-to-generator/src/index.js b/packages/babel-plugin-transform-async-to-generator/src/index.js
index abb0b1131113..439d6b4f0f65 100644
--- a/packages/babel-plugin-transform-async-to-generator/src/index.js
+++ b/packages/babel-plugin-transform-async-to-generator/src/index.js
@@ -1,8 +1,11 @@
+import { declare } from "@babel/helper-plugin-utils";
 import remapAsyncToGenerator from "@babel/helper-remap-async-to-generator";
 import { addNamed } from "@babel/helper-module-imports";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { method, module } = options;
 
   if (method && module) {
@@ -37,4 +40,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index 4f2717cf7051..86b1d685ac7d 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-block-scoped-functions/src/index.js b/packages/babel-plugin-transform-block-scoped-functions/src/index.js
index 29d7a141fdc3..1f1783dc9e86 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/src/index.js
+++ b/packages/babel-plugin-transform-block-scoped-functions/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function statementList(key, path) {
     const paths: Array = path.get(key);
 
@@ -41,4 +44,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index 17dfbf5e62dc..3907b850cdc7 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "lodash": "^4.2.0"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-block-scoping/src/index.js b/packages/babel-plugin-transform-block-scoping/src/index.js
index 17349a14bddd..560368cf0fbf 100644
--- a/packages/babel-plugin-transform-block-scoping/src/index.js
+++ b/packages/babel-plugin-transform-block-scoping/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import type NodePath from "@babel/traverse";
 import type Scope from "@babel/traverse";
 import { visitor as tdzVisitor } from "./tdz";
@@ -7,7 +8,9 @@ import { traverse, template, types as t } from "@babel/core";
 
 const DONE = new WeakSet();
 
-export default function(api, opts) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   const { throwIfClosureRequired = false, tdz: tdzEnabled = false } = opts;
   if (typeof throwIfClosureRequired !== "boolean") {
     throw new Error(`.throwIfClosureRequired must be a boolean, or undefined`);
@@ -94,7 +97,7 @@ export default function(api, opts) {
       },
     },
   };
-}
+});
 
 function ignoreBlock(path) {
   return t.isLoop(path.parent) || t.isCatchClause(path.parent);
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index ae3883dbaea7..54f972cd2945 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-annotate-as-pure": "7.0.0-beta.40",
     "@babel/helper-define-map": "7.0.0-beta.40",
     "@babel/helper-function-name": "7.0.0-beta.40",
diff --git a/packages/babel-plugin-transform-classes/src/index.js b/packages/babel-plugin-transform-classes/src/index.js
index 15e12512d4d1..926d3cce5afb 100644
--- a/packages/babel-plugin-transform-classes/src/index.js
+++ b/packages/babel-plugin-transform-classes/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import LooseTransformer from "./loose";
 import VanillaTransformer from "./vanilla";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
@@ -14,7 +15,9 @@ const builtinClasses = new Set([
   ...getBuiltinClasses("browser"),
 ]);
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose } = options;
   const Constructor = loose ? LooseTransformer : VanillaTransformer;
 
@@ -65,4 +68,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index eb9c28c3ab29..16397ea78cd7 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-computed-properties/src/index.js b/packages/babel-plugin-transform-computed-properties/src/index.js
index 7fb80c227bb9..e751f5008877 100644
--- a/packages/babel-plugin-transform-computed-properties/src/index.js
+++ b/packages/babel-plugin-transform-computed-properties/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { template, types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose } = options;
   const pushComputedProps = loose
     ? pushComputedPropsLoose
@@ -199,4 +202,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 651277bcb104..33120d996d5b 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-destructuring/src/index.js b/packages/babel-plugin-transform-destructuring/src/index.js
index 2308c0af45a4..34cd6ef7a9c4 100644
--- a/packages/babel-plugin-transform-destructuring/src/index.js
+++ b/packages/babel-plugin-transform-destructuring/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose = false } = options;
   if (typeof loose !== "boolean") {
     throw new Error(`.loose must be a boolean or undefined`);
@@ -583,4 +586,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index 1cf182f7353c..ea462edbc877 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -21,6 +21,7 @@
   },
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
diff --git a/packages/babel-plugin-transform-dotall-regex/src/index.js b/packages/babel-plugin-transform-dotall-regex/src/index.js
index 4a25982031fb..e1303cd90311 100644
--- a/packages/babel-plugin-transform-dotall-regex/src/index.js
+++ b/packages/babel-plugin-transform-dotall-regex/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import rewritePattern from "regexpu-core";
 import * as regex from "@babel/helper-regex";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       RegExpLiteral(path) {
@@ -17,4 +20,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index 71e35b642fe2..4adabacd511d 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-duplicate-keys/src/index.js b/packages/babel-plugin-transform-duplicate-keys/src/index.js
index 4c80dd0eb4b9..ff69a0b49f83 100644
--- a/packages/babel-plugin-transform-duplicate-keys/src/index.js
+++ b/packages/babel-plugin-transform-duplicate-keys/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
 function getName(key) {
@@ -7,7 +8,9 @@ function getName(key) {
   return key.value.toString();
 }
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       ObjectExpression(path) {
@@ -65,4 +68,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index d0ea98e54dcc..9f2f3adc7d7d 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-exponentiation-operator/src/index.js b/packages/babel-plugin-transform-exponentiation-operator/src/index.js
index 58bc8d38396b..92fa3a95bc23 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/src/index.js
+++ b/packages/babel-plugin-transform-exponentiation-operator/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import build from "@babel/helper-builder-binary-assignment-operator-visitor";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: build({
       operator: "**",
@@ -14,4 +17,4 @@ export default function() {
       },
     }),
   };
-}
+});
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index 5954a580c96e..b2e26179bb32 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-flow": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-flow-comments/src/index.js b/packages/babel-plugin-transform-flow-comments/src/index.js
index 6dec27d2880f..2ea870857ee5 100644
--- a/packages/babel-plugin-transform-flow-comments/src/index.js
+++ b/packages/babel-plugin-transform-flow-comments/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxFlow from "@babel/plugin-syntax-flow";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function wrapInFlowComment(path, parent) {
     let attach = path.getPrevSibling();
     let where = "trailing";
@@ -143,4 +146,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index bc896fabdf5f..288eff3a558d 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-flow": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-flow-strip-types/src/index.js b/packages/babel-plugin-transform-flow-strip-types/src/index.js
index 4ec8ab65882d..ae633effd330 100644
--- a/packages/babel-plugin-transform-flow-strip-types/src/index.js
+++ b/packages/babel-plugin-transform-flow-strip-types/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxFlow from "@babel/plugin-syntax-flow";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   const FLOW_DIRECTIVE = "@flow";
 
   let skipStrip = false;
@@ -107,4 +110,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index ab391796539f..1c6f05749e62 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-for-of/src/index.js b/packages/babel-plugin-transform-for-of/src/index.js
index 43503dfc93fd..01fe2359819e 100644
--- a/packages/babel-plugin-transform-for-of/src/index.js
+++ b/packages/babel-plugin-transform-for-of/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { template, types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose, assumeArray } = options;
 
   if (loose === true && assumeArray === true) {
@@ -332,4 +335,4 @@ export default function(api, options) {
       node: template,
     };
   }
-}
+});
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 804f562ecda2..93c63586cf44 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-function-name": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-function-name/src/index.js b/packages/babel-plugin-transform-function-name/src/index.js
index 27f626a49a0f..733a56096aaf 100644
--- a/packages/babel-plugin-transform-function-name/src/index.js
+++ b/packages/babel-plugin-transform-function-name/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import nameFunction from "@babel/helper-function-name";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       FunctionExpression: {
@@ -21,4 +24,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index 063eace31ec6..2c9616a470a8 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-instanceof/src/index.js b/packages/babel-plugin-transform-instanceof/src/index.js
index 4cb516b17429..dc9d402880dc 100644
--- a/packages/babel-plugin-transform-instanceof/src/index.js
+++ b/packages/babel-plugin-transform-instanceof/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       BinaryExpression(path) {
@@ -25,4 +28,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index daf0682642bc..1a1e8498a4ca 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-jscript/src/index.js b/packages/babel-plugin-transform-jscript/src/index.js
index 02a5ddeed9d3..868f94c000ad 100644
--- a/packages/babel-plugin-transform-jscript/src/index.js
+++ b/packages/babel-plugin-transform-jscript/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       FunctionExpression: {
@@ -25,4 +28,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index 085bc6a03108..0c07ba20b46f 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-literals/src/index.js b/packages/babel-plugin-transform-literals/src/index.js
index 2d3a30d03dc0..82c90e860443 100644
--- a/packages/babel-plugin-transform-literals/src/index.js
+++ b/packages/babel-plugin-transform-literals/src/index.js
@@ -1,4 +1,8 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       NumericLiteral({ node }) {
@@ -16,4 +20,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index c3e39e9edea7..c3054fe05ee6 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-member-expression-literals/src/index.js b/packages/babel-plugin-transform-member-expression-literals/src/index.js
index 1358af811473..d31b955247f4 100644
--- a/packages/babel-plugin-transform-member-expression-literals/src/index.js
+++ b/packages/babel-plugin-transform-member-expression-literals/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       MemberExpression: {
@@ -19,4 +22,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index a4ae79fa0b55..a564494c8820 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-module-transforms": "7.0.0-beta.40"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-modules-amd/src/index.js b/packages/babel-plugin-transform-modules-amd/src/index.js
index fe1744f4b31c..2bceb843c346 100644
--- a/packages/babel-plugin-transform-modules-amd/src/index.js
+++ b/packages/babel-plugin-transform-modules-amd/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import {
   isModule,
   rewriteModuleStatementsAndPrepareHeader,
@@ -14,7 +15,9 @@ const buildWrapper = template(`
   })
 `);
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose, allowTopLevelThis, strict, strictMode, noInterop } = options;
   return {
     visitor: {
@@ -97,4 +100,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index 14cddc57c4eb..c220f0511384 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-module-transforms": "7.0.0-beta.40",
     "@babel/helper-simple-access": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-modules-commonjs/src/index.js b/packages/babel-plugin-transform-modules-commonjs/src/index.js
index 6ed08a8abc47..83cb7dbf167b 100644
--- a/packages/babel-plugin-transform-modules-commonjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-commonjs/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import {
   isModule,
   rewriteModuleStatementsAndPrepareHeader,
@@ -9,7 +10,9 @@ import {
 import simplifyAccess from "@babel/helper-simple-access";
 import { template, types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const {
     loose,
     allowTopLevelThis,
@@ -176,4 +179,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index b488b1bf9faa..f0378507b22e 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-hoist-variables": "7.0.0-beta.40"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-modules-systemjs/src/index.js b/packages/babel-plugin-transform-modules-systemjs/src/index.js
index 73f62f5cad21..a32325035918 100644
--- a/packages/babel-plugin-transform-modules-systemjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-systemjs/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import hoistVariables from "@babel/helper-hoist-variables";
 import { template, types as t } from "@babel/core";
 
@@ -22,7 +23,9 @@ const buildExportAll = template(`
 
 const TYPE_IMPORT = "Import";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { systemGlobal = "System" } = options;
   const IGNORE_REASSIGNMENT_SYMBOL = Symbol();
 
@@ -407,4 +410,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index db480b6ffe76..1dc3f442254f 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-module-transforms": "7.0.0-beta.40"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-modules-umd/src/index.js b/packages/babel-plugin-transform-modules-umd/src/index.js
index 15b69ebd0655..0e7979d9c8b4 100644
--- a/packages/babel-plugin-transform-modules-umd/src/index.js
+++ b/packages/babel-plugin-transform-modules-umd/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { basename, extname } from "path";
 import {
   isModule,
@@ -30,7 +31,9 @@ const buildWrapper = template(`
   })
 `);
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const {
     globals,
     exactGlobals,
@@ -225,4 +228,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index e636414a74af..a4f2975c4b51 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-new-target/src/index.js b/packages/babel-plugin-transform-new-target/src/index.js
index 93825672f611..162575ecf227 100644
--- a/packages/babel-plugin-transform-new-target/src/index.js
+++ b/packages/babel-plugin-transform-new-target/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     name: "transform-new-target",
 
@@ -67,4 +70,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index 9d41361fe21e..c0ba0fe01acb 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -9,6 +9,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-object-assign/src/index.js b/packages/babel-plugin-transform-object-assign/src/index.js
index 42df9df70a28..856405ce2f25 100644
--- a/packages/babel-plugin-transform-object-assign/src/index.js
+++ b/packages/babel-plugin-transform-object-assign/src/index.js
@@ -1,4 +1,8 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       CallExpression: function(path, file) {
@@ -8,4 +12,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
index aefb8666d0b9..7ca16680b2c8 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/src/index.js b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/src/index.js
index e1a9529c7ce3..84f4399a978d 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/src/index.js
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/src/index.js
@@ -1,4 +1,8 @@
-export default function() {
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       CallExpression(path, file) {
@@ -8,4 +12,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index fa91664c6c1f..4e21a6863be6 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-replace-supers": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-object-super/src/index.js b/packages/babel-plugin-transform-object-super/src/index.js
index e0c6c14cfa6e..8ba3c588ec76 100644
--- a/packages/babel-plugin-transform-object-super/src/index.js
+++ b/packages/babel-plugin-transform-object-super/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import ReplaceSupers from "@babel/helper-replace-supers";
 import { types as t } from "@babel/core";
 
@@ -14,7 +15,9 @@ function replacePropertySuper(path, node, scope, getObjectRef, file) {
   replaceSupers.replace();
 }
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       ObjectExpression(path, state) {
@@ -47,4 +50,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index 6cc53f5d0644..75b36b97bd45 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-call-delegate": "7.0.0-beta.40",
     "@babel/helper-get-function-arity": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-parameters/src/index.js b/packages/babel-plugin-transform-parameters/src/index.js
index 4f66e10ba49f..733ff830834a 100644
--- a/packages/babel-plugin-transform-parameters/src/index.js
+++ b/packages/babel-plugin-transform-parameters/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import convertFunctionParams from "./params";
 import convertFunctionRest from "./rest";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose } = options;
   return {
     visitor: {
@@ -26,4 +29,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index aedeb45d3671..984293032396 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-property-literals/src/index.js b/packages/babel-plugin-transform-property-literals/src/index.js
index a8de9f34ca24..812cf1a3b50d 100644
--- a/packages/babel-plugin-transform-property-literals/src/index.js
+++ b/packages/babel-plugin-transform-property-literals/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       ObjectProperty: {
@@ -18,4 +21,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index 5b7710648dc3..28ea602b051d 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-define-map": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-property-mutators/src/index.js b/packages/babel-plugin-transform-property-mutators/src/index.js
index d083dc543915..6428f9a86227 100644
--- a/packages/babel-plugin-transform-property-mutators/src/index.js
+++ b/packages/babel-plugin-transform-property-mutators/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import * as defineMap from "@babel/helper-define-map";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       ObjectExpression(path, file) {
@@ -38,4 +41,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index 1d8cc1a3b13f..a8fd0d17002f 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -11,6 +11,9 @@
   "dependencies": {
     "lodash": "^4.2.0"
   },
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-proto-to-assign/src/index.js b/packages/babel-plugin-transform-proto-to-assign/src/index.js
index 09ae0e71e211..1a8fea57e5f2 100644
--- a/packages/babel-plugin-transform-proto-to-assign/src/index.js
+++ b/packages/babel-plugin-transform-proto-to-assign/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import pull from "lodash/pull";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function isProtoKey(node) {
     return t.isLiteral(t.toComputedKey(node, node.key), { value: "__proto__" });
   }
@@ -76,4 +79,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index 94f0fc95b65f..2681ac039db4 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-react-constant-elements/src/index.js b/packages/babel-plugin-transform-react-constant-elements/src/index.js
index 9745ceeda65f..70c6fb115be0 100644
--- a/packages/babel-plugin-transform-react-constant-elements/src/index.js
+++ b/packages/babel-plugin-transform-react-constant-elements/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
 
-export default function transformReactConstantElement(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { allowMutablePropsOnTags } = options;
 
   if (
@@ -111,4 +114,4 @@ export default function transformReactConstantElement(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index e7977a2322c8..110e3aae2226 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-react-display-name/src/index.js b/packages/babel-plugin-transform-react-display-name/src/index.js
index 85819e5d77ce..e0d88d85699f 100644
--- a/packages/babel-plugin-transform-react-display-name/src/index.js
+++ b/packages/babel-plugin-transform-react-display-name/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import path from "path";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function addDisplayName(id, call) {
     const props = call.arguments[0].properties;
     let safe = true;
@@ -104,4 +107,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index 0d54b357ccb6..046f11d08f3f 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-react-inline-elements/src/index.js b/packages/babel-plugin-transform-react-inline-elements/src/index.js
index a2288ee9be90..a5c2ef3ff85f 100644
--- a/packages/babel-plugin-transform-react-inline-elements/src/index.js
+++ b/packages/babel-plugin-transform-react-inline-elements/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import helper from "@babel/helper-builder-react-jsx";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function hasRefOrSpread(attrs) {
     for (let i = 0; i < attrs.length; i++) {
       const attr = attrs[i];
@@ -62,4 +65,4 @@ export default function() {
     },
   });
   return { visitor };
-}
+});
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index a029eeb9e428..0a56a50de29f 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-react-jsx-compat/src/index.js b/packages/babel-plugin-transform-react-jsx-compat/src/index.js
index 85b93492082f..844b255d4c7a 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/src/index.js
+++ b/packages/babel-plugin-transform-react-jsx-compat/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import helper from "@babel/helper-builder-react-jsx";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("jsx");
@@ -27,4 +30,4 @@ export default function() {
       compat: true,
     }),
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index 57a7972f91bf..757efd6c4b73 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-react-jsx-self/src/index.js b/packages/babel-plugin-transform-react-jsx-self/src/index.js
index 409c0049991f..375f22325620 100644
--- a/packages/babel-plugin-transform-react-jsx-self/src/index.js
+++ b/packages/babel-plugin-transform-react-jsx-self/src/index.js
@@ -11,11 +11,14 @@
  *
  * <sometag __self={this} />
  */
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
 const TRACE_ID = "__self";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   const visitor = {
     JSXOpeningElement({ node }) {
       const id = t.jsxIdentifier(TRACE_ID);
@@ -28,4 +31,4 @@ export default function() {
   return {
     visitor,
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index e4f18c57a3d1..e74cfb268711 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-react-jsx-source/src/index.js b/packages/babel-plugin-transform-react-jsx-source/src/index.js
index 16e7b0bd39d5..71add8d1b52c 100644
--- a/packages/babel-plugin-transform-react-jsx-source/src/index.js
+++ b/packages/babel-plugin-transform-react-jsx-source/src/index.js
@@ -12,12 +12,15 @@
  * var __jsxFileName = 'this/file.js';
  * <sometag __source={{fileName: __jsxFileName, lineNumber: 10}}/>
  */
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
 const TRACE_ID = "__source";
 const FILE_NAME_VAR = "_jsxFileName";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   function makeTrace(fileNameIdentifier, lineNumber) {
     const fileLineLiteral =
       lineNumber != null ? t.numericLiteral(lineNumber) : t.nullLiteral();
@@ -71,4 +74,4 @@ export default function() {
   return {
     visitor,
   };
-}
+});
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index abe355ba9ee8..805107b12408 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-builder-react-jsx": "7.0.0-beta.40",
     "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-react-jsx/src/index.js b/packages/babel-plugin-transform-react-jsx/src/index.js
index d517a7a90b34..5ae4f11e7116 100644
--- a/packages/babel-plugin-transform-react-jsx/src/index.js
+++ b/packages/babel-plugin-transform-react-jsx/src/index.js
@@ -1,8 +1,11 @@
+import { declare } from "@babel/helper-plugin-utils";
 import jsx from "@babel/plugin-syntax-jsx";
 import helper from "@babel/helper-builder-react-jsx";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const THROW_IF_NAMESPACE =
     options.throwIfNamespace === undefined ? true : !!options.throwIfNamespace;
 
@@ -91,4 +94,4 @@ export default function(api, options) {
     inherits: jsx,
     visitor,
   };
-}
+});
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 9d4432177335..427ce0ad56e2 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-reserved-words/src/index.js b/packages/babel-plugin-transform-reserved-words/src/index.js
index b3d272e40d29..b691947ac642 100644
--- a/packages/babel-plugin-transform-reserved-words/src/index.js
+++ b/packages/babel-plugin-transform-reserved-words/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       "BindingIdentifier|ReferencedIdentifier"(path) {
@@ -10,4 +13,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index 8a0dc0d52ff7..844f981e80cf 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-module-imports": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-runtime/src/index.js b/packages/babel-plugin-transform-runtime/src/index.js
index 8b1787c6d820..dfb5d41306cc 100644
--- a/packages/babel-plugin-transform-runtime/src/index.js
+++ b/packages/babel-plugin-transform-runtime/src/index.js
@@ -1,9 +1,12 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { addDefault, isModule } from "@babel/helper-module-imports";
 import { types as t } from "@babel/core";
 
 import definitions from "./definitions";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const {
     helpers,
     moduleName = "@babel/runtime",
@@ -212,6 +215,6 @@ export default function(api, options) {
       },
     },
   };
-}
+});
 
 export { definitions };
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index 8276fabc3e1b..edcf8e19f947 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-shorthand-properties/src/index.js b/packages/babel-plugin-transform-shorthand-properties/src/index.js
index 09b138009c20..482607c37019 100644
--- a/packages/babel-plugin-transform-shorthand-properties/src/index.js
+++ b/packages/babel-plugin-transform-shorthand-properties/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       ObjectMethod(path) {
@@ -26,4 +29,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index 8add08ae9779..a009e7fbc567 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-spread/src/index.js b/packages/babel-plugin-transform-spread/src/index.js
index d9827ca8bd93..18f274474a78 100644
--- a/packages/babel-plugin-transform-spread/src/index.js
+++ b/packages/babel-plugin-transform-spread/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
+
   const { loose } = options;
 
   function getSpreadLiteral(spread, scope) {
@@ -156,4 +159,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index 7bb41de7d5ea..db7d1933487f 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-regex": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-sticky-regex/src/index.js b/packages/babel-plugin-transform-sticky-regex/src/index.js
index a6e7f0a48fa0..ee7a0aa5db5f 100644
--- a/packages/babel-plugin-transform-sticky-regex/src/index.js
+++ b/packages/babel-plugin-transform-sticky-regex/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import * as regex from "@babel/helper-regex";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       RegExpLiteral(path) {
@@ -17,4 +20,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index c0359fd799da..49ef87d00de6 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-strict-mode/src/index.js b/packages/babel-plugin-transform-strict-mode/src/index.js
index 05c775af967d..4dd2823b12d1 100644
--- a/packages/babel-plugin-transform-strict-mode/src/index.js
+++ b/packages/babel-plugin-transform-strict-mode/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       Program(path) {
@@ -17,4 +20,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index e092cb5bf56d..1c387eb07cfd 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-template-literals/src/index.js b/packages/babel-plugin-transform-template-literals/src/index.js
index 4d28f9d58106..1ac0b165f956 100644
--- a/packages/babel-plugin-transform-template-literals/src/index.js
+++ b/packages/babel-plugin-transform-template-literals/src/index.js
@@ -1,7 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
 import { types as t } from "@babel/core";
 
-export default function(api, options) {
+export default declare((api, options) => {
+  api.assertVersion(7);
   const { loose } = options;
 
   let helperName = "taggedTemplateLiteral";
@@ -155,4 +157,4 @@ export default function(api, options) {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index e2971b3267b8..4de9004b1644 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -8,6 +8,9 @@
   "keywords": [
     "babel-plugin"
   ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+  },
   "peerDependencies": {
     "@babel/core": "7.0.0-beta.40"
   },
diff --git a/packages/babel-plugin-transform-typeof-symbol/src/index.js b/packages/babel-plugin-transform-typeof-symbol/src/index.js
index c32eba7c06bd..598c841cff14 100644
--- a/packages/babel-plugin-transform-typeof-symbol/src/index.js
+++ b/packages/babel-plugin-transform-typeof-symbol/src/index.js
@@ -1,6 +1,9 @@
+import { declare } from "@babel/helper-plugin-utils";
 import { types as t } from "@babel/core";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       Scope({ scope }) {
@@ -62,4 +65,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index 0d5f71ae05d0..6a25bb67c92a 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -10,6 +10,7 @@
     "typescript"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-typescript": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-plugin-transform-typescript/src/index.js b/packages/babel-plugin-transform-typescript/src/index.js
index 986fdf77ab71..e93f7a5b0d37 100644
--- a/packages/babel-plugin-transform-typescript/src/index.js
+++ b/packages/babel-plugin-transform-typescript/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxTypeScript from "@babel/plugin-syntax-typescript";
 import { types as t } from "@babel/core";
 
@@ -19,7 +20,9 @@ interface State {
   programPath: any;
 }
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     inherits: syntaxTypeScript,
     visitor: {
@@ -276,4 +279,4 @@ export default function() {
     });
     return !sourceFileHasJsx;
   }
-}
+});
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index a59448994fd6..459677df5449 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -9,6 +9,7 @@
     "babel-plugin"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/helper-regex": "7.0.0-beta.40",
     "regexpu-core": "^4.1.3"
   },
diff --git a/packages/babel-plugin-transform-unicode-regex/src/index.js b/packages/babel-plugin-transform-unicode-regex/src/index.js
index 22360409196a..6b0e434ddad9 100644
--- a/packages/babel-plugin-transform-unicode-regex/src/index.js
+++ b/packages/babel-plugin-transform-unicode-regex/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import rewritePattern from "regexpu-core";
 import * as regex from "@babel/helper-regex";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     visitor: {
       RegExpLiteral({ node }) {
@@ -11,4 +14,4 @@ export default function() {
       },
     },
   };
-}
+});
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index e056465aa76e..36ac41e291ff 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -11,6 +11,7 @@
     "build-data": "node ./scripts/build-data.js; node ./scripts/build-modules-support.js"
   },
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
     "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
     "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
diff --git a/packages/babel-preset-env/src/index.js b/packages/babel-preset-env/src/index.js
index ae6c4825f174..99464814af64 100644
--- a/packages/babel-preset-env/src/index.js
+++ b/packages/babel-preset-env/src/index.js
@@ -25,7 +25,8 @@ import {
   semverify,
   isUnreleasedVersion,
 } from "./utils";
-import type { Plugin, Targets } from "./types";
+import type { Targets } from "./types";
+import { declare } from "@babel/helper-plugin-utils";
 
 const getPlugin = (pluginName: string) => {
   const plugin = availablePlugins[pluginName];
@@ -152,10 +153,9 @@ const filterItems = (
   return result;
 };
 
-export default function buildPreset(
-  api: Object,
-  opts: Object = {},
-): { plugins: Array<Plugin> } {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   const {
     configPath,
     debug,
@@ -288,4 +288,4 @@ Using polyfills with \`${useBuiltIns}\` option:`,
   return {
     plugins,
   };
-}
+});
diff --git a/packages/babel-preset-es2015/package.json b/packages/babel-preset-es2015/package.json
index d1699e991453..ba12a8fb93b2 100644
--- a/packages/babel-preset-es2015/package.json
+++ b/packages/babel-preset-es2015/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2015",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
     "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
     "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
diff --git a/packages/babel-preset-es2015/src/index.js b/packages/babel-preset-es2015/src/index.js
index a80bf685eed9..8fcedf63c312 100644
--- a/packages/babel-preset-es2015/src/index.js
+++ b/packages/babel-preset-es2015/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformES2015TemplateLiterals from "@babel/plugin-transform-template-literals";
 import transformES2015Literals from "@babel/plugin-transform-literals";
 import transformES2015FunctionName from "@babel/plugin-transform-function-name";
@@ -23,7 +24,9 @@ import transformES2015ModulesUMD from "@babel/plugin-transform-modules-umd";
 import transformES2015Instanceof from "@babel/plugin-transform-instanceof";
 import transformRegenerator from "@babel/plugin-transform-regenerator";
 
-export default function(api, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   const moduleTypes = ["commonjs", "cjs", "amd", "umd", "systemjs"];
   let loose = false;
   let modules = "commonjs";
@@ -82,4 +85,4 @@ export default function(api, opts = {}) {
       [transformRegenerator, { async: false, asyncGenerators: false }],
     ].filter(Boolean), // filter out falsy values
   };
-}
+});
diff --git a/packages/babel-preset-es2015/test/index.js b/packages/babel-preset-es2015/test/index.js
index d09abe717fc4..10239190a43e 100644
--- a/packages/babel-preset-es2015/test/index.js
+++ b/packages/babel-preset-es2015/test/index.js
@@ -1,18 +1,19 @@
+import * as babel from "@babel/core";
 import es2015 from "../lib";
 import { expect } from "chai";
 
 describe("es2015 preset", function() {
-  it("doesn't throw with no options passed", function() {
+  it("does throw clear error when no options passed for Babel 6", () => {
     expect(function() {
-      es2015(null);
-    }).not.to.throw();
+      es2015({ version: "6.5.0" });
+    }).to.throw(Error, /Requires Babel "\^7.0.0-0"/);
   });
 
   describe("options", function() {
     describe("loose", function() {
       it("throws on non-boolean value", function() {
         expect(function() {
-          es2015(null, { loose: 1 });
+          babel.transform("", { presets: [[es2015, { loose: 1 }]] });
         }).to.throw(/must be a boolean/);
       });
     });
@@ -20,7 +21,7 @@ describe("es2015 preset", function() {
     describe("spec", function() {
       it("throws on non-boolean value", function() {
         expect(function() {
-          es2015(null, { spec: 1 });
+          babel.transform("", { presets: [[es2015, { spec: 1 }]] });
         }).to.throw(/must be a boolean/);
       });
     });
@@ -28,31 +29,31 @@ describe("es2015 preset", function() {
     describe("modules", function() {
       it("doesn't throw when passing one false", function() {
         expect(function() {
-          es2015(null, { modules: false });
+          babel.transform("", { presets: [[es2015, { modules: false }]] });
         }).not.to.throw();
       });
 
       it("doesn't throw when passing one of: 'commonjs', 'amd', 'umd', 'systemjs", function() {
         expect(function() {
-          es2015(null, { modules: "commonjs" });
+          babel.transform("", { presets: [[es2015, { modules: "commonjs" }]] });
         }).not.to.throw();
 
         expect(function() {
-          es2015(null, { modules: "amd" });
+          babel.transform("", { presets: [[es2015, { modules: "amd" }]] });
         }).not.to.throw();
 
         expect(function() {
-          es2015(null, { modules: "umd" });
+          babel.transform("", { presets: [[es2015, { modules: "umd" }]] });
         }).not.to.throw();
 
         expect(function() {
-          es2015(null, { modules: "systemjs" });
+          babel.transform("", { presets: [[es2015, { modules: "systemjs" }]] });
         }).not.to.throw();
       });
 
       it("throws when passing neither false nor one of: 'commonjs', 'amd', 'umd', 'systemjs'", function() {
         expect(function() {
-          es2015(null, { modules: 1 });
+          babel.transform("", { presets: [[es2015, { modules: 1 }]] });
         }).to.throw();
       });
     });
diff --git a/packages/babel-preset-es2016/package.json b/packages/babel-preset-es2016/package.json
index 199cc89db669..18aff2ae7004 100644
--- a/packages/babel-preset-es2016/package.json
+++ b/packages/babel-preset-es2016/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2016",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-preset-es2016/src/index.js b/packages/babel-preset-es2016/src/index.js
index c246cc369271..c7dd4b746653 100644
--- a/packages/babel-preset-es2016/src/index.js
+++ b/packages/babel-preset-es2016/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformExponentiationOperator from "@babel/plugin-transform-exponentiation-operator";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     plugins: [transformExponentiationOperator],
   };
-}
+});
diff --git a/packages/babel-preset-es2017/package.json b/packages/babel-preset-es2017/package.json
index df874b107c2f..394065fdfc10 100644
--- a/packages/babel-preset-es2017/package.json
+++ b/packages/babel-preset-es2017/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2017",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-preset-es2017/src/index.js b/packages/babel-preset-es2017/src/index.js
index 1acaae9254fc..ac07e6afc366 100644
--- a/packages/babel-preset-es2017/src/index.js
+++ b/packages/babel-preset-es2017/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformAsyncToGenerator from "@babel/plugin-transform-async-to-generator";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     plugins: [transformAsyncToGenerator],
   };
-}
+});
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index 376c2fe852d1..a61b5fb28e1d 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -13,6 +13,7 @@
     "types"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-preset-flow/src/index.js b/packages/babel-preset-flow/src/index.js
index 844f46a817e9..7dc163bdbfd9 100644
--- a/packages/babel-preset-flow/src/index.js
+++ b/packages/babel-preset-flow/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformFlowStripTypes from "@babel/plugin-transform-flow-strip-types";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     plugins: [transformFlowStripTypes],
   };
-}
+});
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index 93dd9f496a6e..013cb1d56cd0 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-react",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-syntax-jsx": "7.0.0-beta.40",
     "@babel/plugin-transform-react-display-name": "7.0.0-beta.40",
     "@babel/plugin-transform-react-jsx": "7.0.0-beta.40",
diff --git a/packages/babel-preset-react/src/index.js b/packages/babel-preset-react/src/index.js
index 2891f52ce410..d13753fdc533 100644
--- a/packages/babel-preset-react/src/index.js
+++ b/packages/babel-preset-react/src/index.js
@@ -1,10 +1,13 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformReactJSX from "@babel/plugin-transform-react-jsx";
 import transformSyntaxJSX from "@babel/plugin-syntax-jsx";
 import transformReactDisplayName from "@babel/plugin-transform-react-display-name";
 import transformReactJSXSource from "@babel/plugin-transform-react-jsx-source";
 import transformReactJSXSelf from "@babel/plugin-transform-react-jsx-self";
 
-export default function(api, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   const pragma = opts.pragma || "React.createElement";
   const pragmaFrag = opts.pragmaFrag || "React.Fragment";
   const throwIfNamespace =
@@ -31,4 +34,4 @@ export default function(api, opts = {}) {
       development && transformReactJSXSelf,
     ].filter(Boolean),
   };
-}
+});
diff --git a/packages/babel-preset-react/test/index.js b/packages/babel-preset-react/test/index.js
index 92a7d30391eb..4d7a12e26caf 100644
--- a/packages/babel-preset-react/test/index.js
+++ b/packages/babel-preset-react/test/index.js
@@ -2,9 +2,9 @@ import react from "../lib";
 import { expect } from "chai";
 
 describe("react preset", () => {
-  it("doesn't throw with no options passed", () => {
+  it("does throw clear error when no options passed for Babel 6", () => {
     expect(() => {
-      react(null);
-    }).not.to.throw();
+      react({ version: "6.5.0" });
+    }).to.throw(Error, /Requires Babel "\^7.0.0-0"/);
   });
 });
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index 97ec9b160ada..35ae903a95ce 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-0",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
     "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.40",
     "@babel/preset-stage-1": "7.0.0-beta.40"
diff --git a/packages/babel-preset-stage-0/src/index.js b/packages/babel-preset-stage-0/src/index.js
index 6f886fbce528..7eadd4cf25dd 100644
--- a/packages/babel-preset-stage-0/src/index.js
+++ b/packages/babel-preset-stage-0/src/index.js
@@ -1,9 +1,12 @@
+import { declare } from "@babel/helper-plugin-utils";
 import presetStage1 from "@babel/preset-stage-1";
 
 import transformFunctionBind from "@babel/plugin-proposal-function-bind";
 import transformLogicalAssignmentOperators from "@babel/plugin-proposal-logical-assignment-operators";
 
-export default function(context, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   let loose = false;
   let useBuiltIns = false;
 
@@ -25,4 +28,4 @@ export default function(context, opts = {}) {
     presets: [[presetStage1, { loose, useBuiltIns }]],
     plugins: [transformFunctionBind, transformLogicalAssignmentOperators],
   };
-}
+});
diff --git a/packages/babel-preset-stage-1/package.json b/packages/babel-preset-stage-1/package.json
index d23e7ca81b14..4774defa9264 100644
--- a/packages/babel-preset-stage-1/package.json
+++ b/packages/babel-preset-stage-1/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-1",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-proposal-decorators": "7.0.0-beta.40",
     "@babel/plugin-proposal-do-expressions": "7.0.0-beta.40",
     "@babel/plugin-proposal-export-default-from": "7.0.0-beta.40",
diff --git a/packages/babel-preset-stage-1/src/index.js b/packages/babel-preset-stage-1/src/index.js
index 4658ccd94f15..104f468aff16 100644
--- a/packages/babel-preset-stage-1/src/index.js
+++ b/packages/babel-preset-stage-1/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import presetStage2 from "@babel/preset-stage-2";
 
 import transformDecorators from "@babel/plugin-proposal-decorators";
@@ -7,7 +8,9 @@ import transformPipelineOperator from "@babel/plugin-proposal-pipeline-operator"
 import transformNullishCoalescingOperator from "@babel/plugin-proposal-nullish-coalescing-operator";
 import transformDoExpressions from "@babel/plugin-proposal-do-expressions";
 
-export default function(context, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   let loose = false;
   let useBuiltIns = false;
 
@@ -36,4 +39,4 @@ export default function(context, opts = {}) {
       transformDoExpressions,
     ],
   };
-}
+});
diff --git a/packages/babel-preset-stage-2/package.json b/packages/babel-preset-stage-2/package.json
index 3199ef8aaf8c..ef175df7e133 100644
--- a/packages/babel-preset-stage-2/package.json
+++ b/packages/babel-preset-stage-2/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-2",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.40",
     "@babel/plugin-proposal-function-sent": "7.0.0-beta.40",
     "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.40",
diff --git a/packages/babel-preset-stage-2/src/index.js b/packages/babel-preset-stage-2/src/index.js
index 556023e04f37..22c1fd81bd0c 100644
--- a/packages/babel-preset-stage-2/src/index.js
+++ b/packages/babel-preset-stage-2/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import presetStage3 from "@babel/preset-stage-3";
 
 import transformFunctionSent from "@babel/plugin-proposal-function-sent";
@@ -5,7 +6,9 @@ import transformExportNamespaceFrom from "@babel/plugin-proposal-export-namespac
 import transformNumericSeparator from "@babel/plugin-proposal-numeric-separator";
 import transformThrowExpressions from "@babel/plugin-proposal-throw-expressions";
 
-export default function(context, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   let loose = false;
   let useBuiltIns = false;
 
@@ -32,4 +35,4 @@ export default function(context, opts = {}) {
       transformThrowExpressions,
     ],
   };
-}
+});
diff --git a/packages/babel-preset-stage-3/package.json b/packages/babel-preset-stage-3/package.json
index a0b79e074ee6..73aaac59d5bd 100644
--- a/packages/babel-preset-stage-3/package.json
+++ b/packages/babel-preset-stage-3/package.json
@@ -8,6 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-3",
   "main": "lib/index.js",
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
     "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
     "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
diff --git a/packages/babel-preset-stage-3/src/index.js b/packages/babel-preset-stage-3/src/index.js
index afe2ff4e3c50..6bec72fb8d73 100644
--- a/packages/babel-preset-stage-3/src/index.js
+++ b/packages/babel-preset-stage-3/src/index.js
@@ -1,3 +1,4 @@
+import { declare } from "@babel/helper-plugin-utils";
 import syntaxDynamicImport from "@babel/plugin-syntax-dynamic-import";
 import syntaxImportMeta from "@babel/plugin-syntax-import-meta";
 import transformAsyncGeneratorFunctions from "@babel/plugin-proposal-async-generator-functions";
@@ -6,7 +7,9 @@ import transformObjectRestSpread from "@babel/plugin-proposal-object-rest-spread
 import transformOptionalCatchBinding from "@babel/plugin-proposal-optional-catch-binding";
 import transformUnicodePropertyRegex from "@babel/plugin-proposal-unicode-property-regex";
 
-export default function(context, opts = {}) {
+export default declare((api, opts) => {
+  api.assertVersion(7);
+
   let loose = false;
   let useBuiltIns = false;
 
@@ -35,4 +38,4 @@ export default function(context, opts = {}) {
       transformUnicodePropertyRegex,
     ],
   };
-}
+});
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index 8d3afd58c6c9..3bb9e1599a45 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -10,6 +10,7 @@
     "typescript"
   ],
   "dependencies": {
+    "@babel/helper-plugin-utils": "7.0.0-beta.40",
     "@babel/plugin-transform-typescript": "7.0.0-beta.40"
   },
   "peerDependencies": {
diff --git a/packages/babel-preset-typescript/src/index.js b/packages/babel-preset-typescript/src/index.js
index 9348fa06227f..0d5f60c0e418 100644
--- a/packages/babel-preset-typescript/src/index.js
+++ b/packages/babel-preset-typescript/src/index.js
@@ -1,7 +1,10 @@
+import { declare } from "@babel/helper-plugin-utils";
 import transformTypeScript from "@babel/plugin-transform-typescript";
 
-export default function() {
+export default declare(api => {
+  api.assertVersion(7);
+
   return {
     plugins: [transformTypeScript],
   };
-}
+});

From a328b6ad1a4c69729847f7fd0ab8ce130438da4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Wed, 8 Nov 2017 13:50:57 +0100
Subject: [PATCH 072/140] Arrow functions and methods' params are binding
 identifiers (#6770)

---
 packages/babel-types/src/retrievers/getBindingIdentifiers.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/babel-types/src/retrievers/getBindingIdentifiers.js b/packages/babel-types/src/retrievers/getBindingIdentifiers.js
index d55a6c83262b..bd289a816817 100644
--- a/packages/babel-types/src/retrievers/getBindingIdentifiers.js
+++ b/packages/babel-types/src/retrievers/getBindingIdentifiers.js
@@ -94,6 +94,9 @@ getBindingIdentifiers.keys = {
 
   FunctionDeclaration: ["id", "params"],
   FunctionExpression: ["id", "params"],
+  ArrowFunctionExpression: ["params"],
+  ObjectMethod: ["params"],
+  ClassMethod: ["params"],
 
   ForInStatement: ["left"],
   ForOfStatement: ["left"],

From 5cd8b5b7f0d0af09c1008cd1698001a236b29c20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Mon, 5 Mar 2018 00:47:11 +0100
Subject: [PATCH 073/140] Add eslint plugin to disallow `t.clone` and
 `t.cloneDeep` (#7191)

* Add eslint plugin to disallow `t.clone` and `t.cloneDeep`

* Make it better and add flow

* Other cases

* Superpowers

* Fix
---
 .eslintrc                                   |   3 +-
 scripts/eslint_rules/no-deprecated-clone.js | 265 ++++++++++++++++++++
 2 files changed, 267 insertions(+), 1 deletion(-)
 create mode 100644 scripts/eslint_rules/no-deprecated-clone.js

diff --git a/.eslintrc b/.eslintrc
index 90076de5173d..b5a7e8ce67fb 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -18,7 +18,8 @@
         "codemods/*/src/**/*.js"
       ],
       "rules": {
-        "no-undefined-identifier": "error"
+        "no-undefined-identifier": "error",
+        "no-deprecated-clone": "error"
       }
     },
     {
diff --git a/scripts/eslint_rules/no-deprecated-clone.js b/scripts/eslint_rules/no-deprecated-clone.js
new file mode 100644
index 000000000000..323e5ed2255c
--- /dev/null
+++ b/scripts/eslint_rules/no-deprecated-clone.js
@@ -0,0 +1,265 @@
+// @flow
+
+"use strict";
+
+function getVariableDefinition(name /*: string */, scope /*: Scope */) {
+  let currentScope = scope;
+  do {
+    const variable = currentScope.set.get(name);
+    if (variable && variable.defs[0]) {
+      return { scope: currentScope, definition: variable.defs[0] };
+    }
+  } while ((currentScope = currentScope.upper));
+}
+
+/*::
+type ReferenceOriginImport = { kind: "import", source: string, name: string };
+type ReferenceOriginParam = {
+  kind: "export param",
+  exportName: string,
+  index: number,
+};
+
+type ReferenceOrigin =
+  | ReferenceOriginImport
+  | ReferenceOriginParam
+  | { kind: "import *", source: string }
+  | {
+      kind: "property",
+      base: ReferenceOriginImport | ReferenceOriginParam,
+      path: string,
+    };
+*/
+
+// Given a node and a context, returns a description of where its value comes
+// from.
+// It resolves imports, parameters of exported functions and property accesses.
+// See the ReferenceOrigin type for more informations.
+function getReferenceOrigin(
+  node /*: Node */,
+  scope /*: Scope */
+) /*: ?ReferenceOrigin */ {
+  if (node.type === "Identifier") {
+    const variable = getVariableDefinition(node.name, scope);
+    if (!variable) return null;
+
+    const definition = variable.definition;
+    const defNode = definition.node;
+
+    if (definition.type === "ImportBinding") {
+      if (defNode.type === "ImportSpecifier") {
+        return {
+          kind: "import",
+          source: definition.parent.source.value,
+          name: defNode.imported.name,
+        };
+      }
+      if (defNode.type === "ImportNamespaceSpecifier") {
+        return {
+          kind: "import *",
+          source: definition.parent.source.value,
+        };
+      }
+    }
+
+    if (definition.type === "Variable" && defNode.init) {
+      const origin = getReferenceOrigin(defNode.init, variable.scope);
+      return origin && patternToProperty(definition.name, origin);
+    }
+
+    if (definition.type === "Parameter") {
+      const parent = defNode.parent;
+      let exportName /*: string */;
+      if (parent.type === "ExportDefaultDeclaration") {
+        exportName = "default";
+      } else if (parent.type === "ExportNamedDeclaration") {
+        exportName = defNode.id.name;
+      } else if (
+        parent.type === "AssignmentExpression" &&
+        parent.left.type === "MemberExpression" &&
+        parent.left.object.type === "Identifier" &&
+        parent.left.object.name === "module" &&
+        parent.left.property.type === "Identifier" &&
+        parent.left.property.name === "exports"
+      ) {
+        exportName = "module.exports";
+      } else {
+        return null;
+      }
+      return patternToProperty(definition.name, {
+        kind: "export param",
+        exportName,
+        index: definition.index,
+      });
+    }
+  }
+
+  if (node.type === "MemberExpression" && !node.computed) {
+    const origin = getReferenceOrigin(node.object, scope);
+    return origin && addProperty(origin, node.property.name);
+  }
+
+  return null;
+}
+
+function patternToProperty(
+  id /*: Node */,
+  base /*: ReferenceOrigin */
+) /*: ?ReferenceOrigin */ {
+  const path = getPatternPath(id);
+  return path && path.reduce(addProperty, base);
+}
+
+// Adds a property to a given origin. If it was a namespace import it becomes
+// a named import, so that `import * as x from "foo"; x.bar` and
+// `import { bar } from "foo"` have the same origin.
+function addProperty(
+  origin /*: ReferenceOrigin */,
+  name /*: string */
+) /* ReferenceOrigin */ {
+  if (origin.kind === "import *") {
+    return {
+      kind: "import",
+      source: origin.source,
+      name,
+    };
+  }
+  if (origin.kind === "property") {
+    return {
+      kind: "property",
+      base: origin.base,
+      path: origin.path + "." + name,
+    };
+  }
+  return {
+    kind: "property",
+    base: origin,
+    path: name,
+  };
+}
+
+// if "node" is c of { a: { b: c } }, the result is ["a","b"]
+function getPatternPath(node /*: Node */) /*: ?string[] */ {
+  let current = node;
+  const path = [];
+
+  // Unshift keys to path while going up
+  do {
+    const property = current.parent;
+    if (
+      property.type === "ArrayPattern" ||
+      property.type === "AssignmentPattern" ||
+      property.computed
+    ) {
+      // These nodes are not supported.
+      return null;
+    }
+    if (property.type === "Property") {
+      path.unshift(property.key.name);
+    } else {
+      // The destructuring pattern is finished
+      break;
+    }
+  } while ((current = current.parent.parent));
+
+  return path;
+}
+
+function reportError(context /*: Context */, node /*: Node */) {
+  const isMemberExpression = node.type === "MemberExpression";
+  const id = isMemberExpression ? node.property : node;
+  context.report({
+    node: id,
+    message: `t.${id.name}() is deprecated. Use t.cloneNode() instead.`,
+    fix(fixer) {
+      if (isMemberExpression) {
+        return fixer.replaceText(id, "cloneNode");
+      }
+    },
+  });
+}
+
+module.exports = {
+  meta: {
+    schema: [],
+    fixable: "code",
+  },
+  create(context /*: Context */) {
+    return {
+      CallExpression(node /*: Node */) {
+        const origin = getReferenceOrigin(node.callee, context.getScope());
+
+        if (!origin) return;
+
+        if (
+          origin.kind === "import" &&
+          (origin.name === "clone" || origin.name === "cloneDeep") &&
+          origin.source === "@babel/types"
+        ) {
+          // imported from @babel/types
+          return reportError(context, node.callee);
+        }
+
+        if (
+          origin.kind === "property" &&
+          (origin.path === "clone" || origin.path === "cloneDeep") &&
+          origin.base.kind === "import" &&
+          origin.base.name === "types" &&
+          origin.base.source === "@babel/core"
+        ) {
+          // imported from @babel/core
+          return reportError(context, node.callee);
+        }
+
+        if (
+          origin.kind === "property" &&
+          (origin.path === "types.clone" ||
+            origin.path === "types.cloneDeep") &&
+          origin.base.kind === "export param" &&
+          (origin.base.exportName === "default" ||
+            origin.base.exportName === "module.exports") &&
+          origin.base.index === 0
+        ) {
+          // export default function ({ types: t }) {}
+          // module.exports = function ({ types: t }) {}
+          return reportError(context, node.callee);
+        }
+      },
+    };
+  },
+};
+
+/*:: // ESLint types
+
+type Node = { type: string, [string]: any };
+
+type Definition = {
+  type: "ImportedBinding",
+  name: Node,
+  node: Node,
+  parent: Node,
+};
+
+type Variable = {
+  defs: Definition[],
+};
+
+type Scope = {
+  set: Map<string, Variable>,
+  upper: ?Scope,
+};
+
+type Context = {
+  report(options: {
+    node: Node,
+    message: string,
+    fix?: (fixer: Fixer) => ?Fixer,
+  }): void,
+
+  getScope(): Scope,
+};
+
+type Fixer = {
+  replaceText(node: Node, replacement: string): Fixer,
+};
+*/

From fc64ab572542522d5a4ad0ba6b9985b7d571cd74 Mon Sep 17 00:00:00 2001
From: Kevin Ji <kevin.ji@outlook.com>
Date: Sun, 25 Feb 2018 23:19:13 -0800
Subject: [PATCH 074/140] eslint: Rename to .json, mark as root config - fixes
 #7433

---
 .eslintrc => .eslintrc.json | 1 +
 1 file changed, 1 insertion(+)
 rename .eslintrc => .eslintrc.json (97%)

diff --git a/.eslintrc b/.eslintrc.json
similarity index 97%
rename from .eslintrc
rename to .eslintrc.json
index b5a7e8ce67fb..990708104eba 100644
--- a/.eslintrc
+++ b/.eslintrc.json
@@ -1,4 +1,5 @@
 {
+  "root": true,
   "extends": "babel",
   "plugins": [
     "prettier"

From d187c267481a1436bbbb077d5dd94f191e6ef72a Mon Sep 17 00:00:00 2001
From: K Sashi Kumar <ksashikumark93@gmail.com>
Date: Mon, 5 Mar 2018 05:48:32 +0530
Subject: [PATCH 075/140] Spec Violation: Fix var initializer in for-in loop
 (#7392)

---
 packages/babylon/src/parser/statement.js      |  15 +-
 .../es2015/for-in/bare-initializer/input.js   |   2 +
 .../for-in/bare-initializer/output.json       | 183 +++++
 .../es2015/for-in/const-initializer/input.js  |   1 +
 .../for-in/const-initializer/options.json     |   3 +
 .../es2015/for-in/let-initializer/input.js    |   1 +
 .../for-in/let-initializer/options.json       |   3 +
 .../for-in/nonstrict-initializer/input.js     |   6 +
 .../for-in/nonstrict-initializer/output.json  | 707 ++++++++++++++++++
 .../es2015/for-in/strict-initializer/input.js |   2 +
 .../for-in/strict-initializer/options.json    |   3 +
 .../input.js                                  |   1 +
 .../options.json                              |   3 +
 .../input.js                                  |   1 +
 .../options.json                              |   3 +
 scripts/tests/test262/test262_whitelist.txt   |   1 -
 16 files changed, 932 insertions(+), 3 deletions(-)
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/bare-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/bare-initializer/output.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/const-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/const-initializer/options.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/let-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/let-initializer/options.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/output.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/strict-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/strict-initializer/options.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/options.json
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/input.js
 create mode 100644 packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/options.json

diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index d736b46184bf..cd8a9efbeaec 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -367,8 +367,19 @@ export default class StatementParser extends ExpressionParser {
       this.finishNode(init, "VariableDeclaration");
 
       if (this.match(tt._in) || this.isContextual("of")) {
-        if (init.declarations.length === 1 && !init.declarations[0].init) {
-          return this.parseForIn(node, init, forAwait);
+        if (init.declarations.length === 1) {
+          const declaration = init.declarations[0];
+          const isForInInitializer =
+            varKind === tt._var &&
+            declaration.init &&
+            declaration.id.type != "ObjectPattern" &&
+            declaration.id.type != "ArrayPattern" &&
+            !this.isContextual("of");
+          if (this.state.strict && isForInInitializer) {
+            this.raise(this.state.start, "for-in initializer in strict mode");
+          } else if (isForInInitializer || !declaration.init) {
+            return this.parseForIn(node, init, forAwait);
+          }
         }
       }
       if (forAwait) {
diff --git a/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/input.js
new file mode 100644
index 000000000000..094f22863b55
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/input.js
@@ -0,0 +1,2 @@
+var a;
+for (a = 0 in {});
diff --git a/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/output.json b/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/output.json
new file mode 100644
index 000000000000..b205c87f55d4
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/bare-initializer/output.json
@@ -0,0 +1,183 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 25,
+  "loc": {
+    "start": {
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+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/const-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/const-initializer/input.js
new file mode 100644
index 000000000000..aa7bc09da8a2
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/const-initializer/input.js
@@ -0,0 +1 @@
+for (const a = 0 in {});
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/const-initializer/options.json b/packages/babylon/test/fixtures/es2015/for-in/const-initializer/options.json
new file mode 100644
index 000000000000..a7c6e79257b9
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/const-initializer/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \";\" (1:17)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/let-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/let-initializer/input.js
new file mode 100644
index 000000000000..037f0d340379
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/let-initializer/input.js
@@ -0,0 +1 @@
+for (let a = 0 in {});
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/let-initializer/options.json b/packages/babylon/test/fixtures/es2015/for-in/let-initializer/options.json
new file mode 100644
index 000000000000..bc625e0d0c48
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/let-initializer/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \";\" (1:15)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/input.js
new file mode 100644
index 000000000000..c2b56cda957f
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/input.js
@@ -0,0 +1,6 @@
+  var effects = 0;
+  var iterations = 0;
+  var stored;
+  for (var a = (++effects, -1) in stored = a, {a: 0, b: 1, c: 2}) {
+    ++iterations;
+  }
diff --git a/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/output.json b/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/output.json
new file mode 100644
index 000000000000..4e0e704c3706
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/nonstrict-initializer/output.json
@@ -0,0 +1,707 @@
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+  "end": 144,
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+        "column": 3
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+                "raw": "0"
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+        }
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+    "directives": []
+  }
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/input.js
new file mode 100644
index 000000000000..c1ecfdf85c80
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/input.js
@@ -0,0 +1,2 @@
+'use strict';
+for (var a = 0 in {});
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/options.json b/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/options.json
new file mode 100644
index 000000000000..983e17a01e63
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/strict-initializer/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "for-in initializer in strict mode (2:15)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/input.js
new file mode 100644
index 000000000000..54b71b26a422
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/input.js
@@ -0,0 +1 @@
+for (var [a] = 0 in {});
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/options.json b/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/options.json
new file mode 100644
index 000000000000..a7c6e79257b9
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/var-arraybindingpattern-initializer/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \";\" (1:17)"
+}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/input.js b/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/input.js
new file mode 100644
index 000000000000..f0708b234832
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/input.js
@@ -0,0 +1 @@
+for (var {a} = 0 in {});
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/options.json b/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/options.json
new file mode 100644
index 000000000000..a7c6e79257b9
--- /dev/null
+++ b/packages/babylon/test/fixtures/es2015/for-in/var-objectbindingpattern-initializer/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token, expected \";\" (1:17)"
+}
\ No newline at end of file
diff --git a/scripts/tests/test262/test262_whitelist.txt b/scripts/tests/test262/test262_whitelist.txt
index 2f6696503cc4..e7e03f746b23 100644
--- a/scripts/tests/test262/test262_whitelist.txt
+++ b/scripts/tests/test262/test262_whitelist.txt
@@ -610,7 +610,6 @@ annexB/language/global-code/if-stmt-else-decl-global-skip-early-err-switch.js(de
 annexB/language/global-code/if-stmt-else-decl-global-skip-early-err-try.js(default)
 annexB/language/global-code/if-stmt-else-decl-global-skip-early-err.js(default)
 annexB/language/global-code/if-stmt-else-decl-global-update.js(default)
-annexB/language/statements/for-in/nonstrict-initializer.js(default)
 built-ins/Function/prototype/toString/intrinsics.js(strict mode)
 language/expressions/assignment/destructuring/obj-prop-__proto__dup.js(default)
 language/expressions/assignment/destructuring/obj-prop-__proto__dup.js(strict mode)

From 653318b7e407207a548ac19cdce30d898268a4a6 Mon Sep 17 00:00:00 2001
From: Gvozd <gvozdev.viktor@gmail.com>
Date: Mon, 5 Mar 2018 11:30:25 +0300
Subject: [PATCH 076/140] Always transform for-await in async functions.
 (#7446)

for-await was transformed in @babel/helper-remap-async-to-generator, which was
called by @babel/plugin-transform-async-to-generator and
@babel/plugin-proposal-async-generator-functions. This prevented for-await
statements in async functions to be transpiled if the
transform-async-to-generator plugin was't enabled.
---
 .../src/index.js                              | 40 +---------
 .../package.json                              |  2 +
 .../src/for-await.js                          | 25 +++----
 .../src/index.js                              | 74 ++++++++++++++++---
 .../async-function-no-transform/input.js      |  3 +
 .../async-function-no-transform/options.json  |  6 ++
 .../async-function-no-transform/output.js     | 25 +++++++
 .../test/fixtures/regression/5880/input.js    |  0
 .../fixtures/regression/5880/options.json     |  7 ++
 .../test/fixtures/regression/5880/output.js   |  6 +-
 .../src/index.js                              |  6 +-
 .../fixtures/regression/5880/options.json     |  8 --
 .../output.js                                 | 12 +--
 .../output.js                                 | 18 ++---
 .../preset-options/shippedProposals/output.js | 12 +--
 15 files changed, 147 insertions(+), 97 deletions(-)
 rename packages/{babel-helper-remap-async-to-generator => babel-plugin-proposal-async-generator-functions}/src/for-await.js (78%)
 create mode 100644 packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/input.js
 create mode 100644 packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/options.json
 create mode 100644 packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/output.js
 rename packages/{babel-plugin-transform-async-to-generator => babel-plugin-proposal-async-generator-functions}/test/fixtures/regression/5880/input.js (100%)
 create mode 100644 packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/options.json
 rename packages/{babel-plugin-transform-async-to-generator => babel-plugin-proposal-async-generator-functions}/test/fixtures/regression/5880/output.js (75%)
 delete mode 100644 packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/options.json

diff --git a/packages/babel-helper-remap-async-to-generator/src/index.js b/packages/babel-helper-remap-async-to-generator/src/index.js
index 4bebf1eb3ae0..635b0876c22f 100644
--- a/packages/babel-helper-remap-async-to-generator/src/index.js
+++ b/packages/babel-helper-remap-async-to-generator/src/index.js
@@ -4,7 +4,6 @@ import type { NodePath } from "@babel/traverse";
 import wrapFunction from "@babel/helper-wrap-function";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
 import * as t from "@babel/types";
-import rewriteForAwait from "./for-await";
 
 const awaitVisitor = {
   Function(path) {
@@ -27,44 +26,13 @@ const awaitVisitor = {
       ),
     );
   },
-
-  ForOfStatement(path, { file, wrapAwait }) {
-    const { node } = path;
-    if (!node.await) return;
-
-    const build = rewriteForAwait(path, {
-      getAsyncIterator: file.addHelper("asyncIterator"),
-      wrapAwait,
-    });
-
-    const { declar, loop } = build;
-    const block = loop.body;
-
-    // ensure that it's a block so we can take all its statements
-    path.ensureBlock();
-
-    // add the value declaration to the new loop body
-    if (declar) {
-      block.body.push(declar);
-    }
-
-    // push the rest of the original loop body onto our new body
-    block.body = block.body.concat(node.body.body);
-
-    t.inherits(loop, node);
-    t.inherits(loop.body, node.body);
-
-    if (build.replaceParent) {
-      path.parentPath.replaceWithMultiple(build.node);
-    } else {
-      path.replaceWithMultiple(build.node);
-    }
-  },
 };
 
-export default function(path: NodePath, file: Object, helpers: Object) {
+export default function(
+  path: NodePath,
+  helpers: { wrapAsync: Object, wrapAwait: Object },
+) {
   path.traverse(awaitVisitor, {
-    file,
     wrapAwait: helpers.wrapAwait,
   });
 
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 532daf2b5751..9d47213a843d 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -18,6 +18,8 @@
   },
   "devDependencies": {
     "@babel/core": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.40",
     "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
   }
 }
diff --git a/packages/babel-helper-remap-async-to-generator/src/for-await.js b/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
similarity index 78%
rename from packages/babel-helper-remap-async-to-generator/src/for-await.js
rename to packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
index b9b55b615fff..d28631c360d8 100644
--- a/packages/babel-helper-remap-async-to-generator/src/for-await.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
@@ -1,8 +1,8 @@
 import * as t from "@babel/types";
 import template from "@babel/template";
 
-const awaitTemplate = `
-  function* wrapper() {
+const buildForAwait = template(`
+  async function wrapper() {
     var ITERATOR_COMPLETION = true;
     var ITERATOR_HAD_ERROR_KEY = false;
     var ITERATOR_ERROR_KEY;
@@ -10,9 +10,9 @@ const awaitTemplate = `
       for (
         var ITERATOR_KEY = GET_ITERATOR(OBJECT), STEP_KEY, STEP_VALUE;
         (
-          STEP_KEY = yield AWAIT(ITERATOR_KEY.next()),
+          STEP_KEY = await ITERATOR_KEY.next(),
           ITERATOR_COMPLETION = STEP_KEY.done,
-          STEP_VALUE = yield AWAIT(STEP_KEY.value),
+          STEP_VALUE = await STEP_KEY.value,
           !ITERATOR_COMPLETION
         );
         ITERATOR_COMPLETION = true) {
@@ -23,7 +23,7 @@ const awaitTemplate = `
     } finally {
       try {
         if (!ITERATOR_COMPLETION && ITERATOR_KEY.return != null) {
-          yield AWAIT(ITERATOR_KEY.return());
+          await ITERATOR_KEY.return();
         }
       } finally {
         if (ITERATOR_HAD_ERROR_KEY) {
@@ -32,13 +32,9 @@ const awaitTemplate = `
       }
     }
   }
-`;
-const buildForAwait = template(awaitTemplate);
-const buildForAwaitWithoutWrapping = template(
-  awaitTemplate.replace(/\bAWAIT\b/g, ""),
-);
+`);
 
-export default function(path, { getAsyncIterator, wrapAwait }) {
+export default function(path, { getAsyncIterator }) {
   const { node, scope, parent } = path;
 
   const stepKey = scope.generateUidIdentifier("step");
@@ -57,9 +53,7 @@ export default function(path, { getAsyncIterator, wrapAwait }) {
       t.variableDeclarator(left.declarations[0].id, stepValue),
     ]);
   }
-
-  const build = wrapAwait ? buildForAwait : buildForAwaitWithoutWrapping;
-  let template = build({
+  let template = buildForAwait({
     ITERATOR_HAD_ERROR_KEY: scope.generateUidIdentifier("didIteratorError"),
     ITERATOR_COMPLETION: scope.generateUidIdentifier(
       "iteratorNormalCompletion",
@@ -70,10 +64,9 @@ export default function(path, { getAsyncIterator, wrapAwait }) {
     OBJECT: node.right,
     STEP_VALUE: stepValue,
     STEP_KEY: stepKey,
-    ...(wrapAwait ? { AWAIT: wrapAwait } : {}),
   });
 
-  // remove generator function wrapper
+  // remove async function wrapper
   template = template.body.body;
 
   const isLabeledParent = t.isLabeledStatement(parent);
diff --git a/packages/babel-plugin-proposal-async-generator-functions/src/index.js b/packages/babel-plugin-proposal-async-generator-functions/src/index.js
index 7b65a69adb01..f68cdaa6a282 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/src/index.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/src/index.js
@@ -2,6 +2,7 @@ import { declare } from "@babel/helper-plugin-utils";
 import remapAsyncToGenerator from "@babel/helper-remap-async-to-generator";
 import syntaxAsyncGenerators from "@babel/plugin-syntax-async-generators";
 import { types as t } from "@babel/core";
+import rewriteForAwait from "./for-await";
 
 export default declare(api => {
   api.assertVersion(7);
@@ -21,18 +22,73 @@ export default declare(api => {
     },
   };
 
+  const forAwaitVisitor = {
+    Function(path) {
+      path.skip();
+    },
+
+    ForOfStatement(path, { file }) {
+      const { node } = path;
+      if (!node.await) return;
+
+      const build = rewriteForAwait(path, {
+        getAsyncIterator: file.addHelper("asyncIterator"),
+      });
+
+      const { declar, loop } = build;
+      const block = loop.body;
+
+      // ensure that it's a block so we can take all its statements
+      path.ensureBlock();
+
+      // add the value declaration to the new loop body
+      if (declar) {
+        block.body.push(declar);
+      }
+
+      // push the rest of the original loop body onto our new body
+      block.body = block.body.concat(node.body.body);
+
+      t.inherits(loop, node);
+      t.inherits(loop.body, node.body);
+
+      if (build.replaceParent) {
+        path.parentPath.replaceWithMultiple(build.node);
+      } else {
+        path.replaceWithMultiple(build.node);
+      }
+    },
+  };
+
+  const visitor = {
+    Function(path, state) {
+      if (!path.node.async) return;
+
+      path.traverse(forAwaitVisitor, state);
+
+      if (!path.node.generator) return;
+
+      path.traverse(yieldStarVisitor, state);
+
+      remapAsyncToGenerator(path, {
+        wrapAsync: state.addHelper("wrapAsyncGenerator"),
+        wrapAwait: state.addHelper("awaitAsyncGenerator"),
+      });
+    },
+  };
+
   return {
     inherits: syntaxAsyncGenerators,
     visitor: {
-      Function(path, state) {
-        if (!path.node.async || !path.node.generator) return;
-
-        path.traverse(yieldStarVisitor, state);
-
-        remapAsyncToGenerator(path, state.file, {
-          wrapAsync: state.addHelper("wrapAsyncGenerator"),
-          wrapAwait: state.addHelper("awaitAsyncGenerator"),
-        });
+      Program(path, state) {
+        // We need to traverse the ast here (instead of just vising Function
+        // in the top level visitor) because for-await needs to run before the
+        // async-to-generator plugin. This is because for-await is transpiled
+        // using "await" expressions, which are then converted to "yield".
+        //
+        // This is bad for performance, but plugin ordering will allow as to
+        // directly visit Function in the top level visitor.
+        path.traverse(visitor, state);
       },
     },
   };
diff --git a/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/input.js b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/input.js
new file mode 100644
index 000000000000..daedfaf47363
--- /dev/null
+++ b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/input.js
@@ -0,0 +1,3 @@
+async function foo() {
+	for await (const x of y) {}
+}
diff --git a/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/options.json b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/options.json
new file mode 100644
index 000000000000..5adee4863d3d
--- /dev/null
+++ b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/options.json
@@ -0,0 +1,6 @@
+{
+  "plugins": [
+    "external-helpers",
+    "proposal-async-generator-functions"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/output.js b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/output.js
new file mode 100644
index 000000000000..d7801fa31936
--- /dev/null
+++ b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/output.js
@@ -0,0 +1,25 @@
+async function foo() {
+  var _iteratorNormalCompletion = true;
+  var _didIteratorError = false;
+
+  var _iteratorError;
+
+  try {
+    for (var _iterator = babelHelpers.asyncIterator(y), _step, _value; _step = await _iterator.next(), _iteratorNormalCompletion = _step.done, _value = await _step.value, !_iteratorNormalCompletion; _iteratorNormalCompletion = true) {
+      const x = _value;
+    }
+  } catch (err) {
+    _didIteratorError = true;
+    _iteratorError = err;
+  } finally {
+    try {
+      if (!_iteratorNormalCompletion && _iterator.return != null) {
+        await _iterator.return();
+      }
+    } finally {
+      if (_didIteratorError) {
+        throw _iteratorError;
+      }
+    }
+  }
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/input.js b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/input.js
similarity index 100%
rename from packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/input.js
rename to packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/input.js
diff --git a/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/options.json b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/options.json
new file mode 100644
index 000000000000..94063e0c4f2a
--- /dev/null
+++ b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/options.json
@@ -0,0 +1,7 @@
+{
+  "plugins": [
+    "external-helpers",
+    "proposal-async-generator-functions",
+    "transform-destructuring"
+  ]
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/output.js b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/output.js
similarity index 75%
rename from packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/output.js
rename to packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/output.js
index f6c0f06d9ce1..4b9e652d6cbc 100644
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/output.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/output.js
@@ -1,11 +1,11 @@
-babelHelpers.asyncToGenerator(function* () {
+(async () => {
   var _iteratorNormalCompletion = true;
   var _didIteratorError = false;
 
   var _iteratorError;
 
   try {
-    for (var _iterator = babelHelpers.asyncIterator(iterable), _step, _value; _step = yield _iterator.next(), _iteratorNormalCompletion = _step.done, _value = yield _step.value, !_iteratorNormalCompletion; _iteratorNormalCompletion = true) {
+    for (var _iterator = babelHelpers.asyncIterator(iterable), _step, _value; _step = await _iterator.next(), _iteratorNormalCompletion = _step.done, _value = await _step.value, !_iteratorNormalCompletion; _iteratorNormalCompletion = true) {
       const _value2 = _value,
             _value3 = babelHelpers.slicedToArray(_value2, 1),
             value = _value3[0];
@@ -16,7 +16,7 @@ babelHelpers.asyncToGenerator(function* () {
   } finally {
     try {
       if (!_iteratorNormalCompletion && _iterator.return != null) {
-        yield _iterator.return();
+        await _iterator.return();
       }
     } finally {
       if (_didIteratorError) {
diff --git a/packages/babel-plugin-transform-async-to-generator/src/index.js b/packages/babel-plugin-transform-async-to-generator/src/index.js
index 439d6b4f0f65..d0aaf7d5c0c1 100644
--- a/packages/babel-plugin-transform-async-to-generator/src/index.js
+++ b/packages/babel-plugin-transform-async-to-generator/src/index.js
@@ -21,9 +21,7 @@ export default declare((api, options) => {
             wrapAsync = state.methodWrapper = addNamed(path, method, module);
           }
 
-          remapAsyncToGenerator(path, state.file, {
-            wrapAsync,
-          });
+          remapAsyncToGenerator(path, { wrapAsync });
         },
       },
     };
@@ -34,7 +32,7 @@ export default declare((api, options) => {
       Function(path, state) {
         if (!path.node.async || path.node.generator) return;
 
-        remapAsyncToGenerator(path, state.file, {
+        remapAsyncToGenerator(path, {
           wrapAsync: state.addHelper("asyncToGenerator"),
         });
       },
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/options.json b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/options.json
deleted file mode 100644
index 9ed92359fffb..000000000000
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/5880/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    "external-helpers",
-    "transform-async-to-generator",
-    "transform-destructuring",
-    "syntax-async-generators"
-  ]
-}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
index 1b0051382cab..0c600cdd7be2 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-entry/output.js
@@ -1,3 +1,9 @@
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
 function _awaitAsyncGenerator(value) { return new _AwaitValue(value); }
 
 function _wrapAsyncGenerator(fn) { return function () { return new _AsyncGenerator(fn.apply(this, arguments)); }; }
@@ -14,12 +20,6 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
-function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
-
 var _x$y$a$b = {
   x: 1,
   y: 2,
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
index e8e7ce4a519e..7700a7184205 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
@@ -1,16 +1,22 @@
 "use strict";
 
+require("core-js/modules/es6.array.for-each");
+
+require("core-js/modules/es6.array.filter");
+
+require("core-js/modules/es6.array.index-of");
+
 require("regenerator-runtime/runtime");
 
 require("core-js/modules/es6.symbol");
 
 require("core-js/modules/es6.promise");
 
-require("core-js/modules/es6.array.for-each");
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
 
-require("core-js/modules/es6.array.filter");
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
 
-require("core-js/modules/es6.array.index-of");
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
 
 function _awaitAsyncGenerator(value) { return new _AwaitValue(value); }
 
@@ -28,12 +34,6 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
-function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
-
 var _x$y$a$b = {
   x: 1,
   y: 2,
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
index 1b0051382cab..0c600cdd7be2 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js
@@ -1,3 +1,9 @@
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
 function _awaitAsyncGenerator(value) { return new _AwaitValue(value); }
 
 function _wrapAsyncGenerator(fn) { return function () { return new _AsyncGenerator(fn.apply(this, arguments)); }; }
@@ -14,12 +20,6 @@ _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return"
 
 function _AwaitValue(value) { this.wrapped = value; }
 
-function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
-
 var _x$y$a$b = {
   x: 1,
   y: 2,

From f43bf7fcd51952e17f5c8cdd71d6d38a9f3633c1 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 5 Mar 2018 10:47:00 +0100
Subject: [PATCH 077/140] Enable babel-register tests again (#7487)

---
 .../babel-register/test/__data__/.babelrc     |   5 +
 .../babel-register/test/__data__/gen_error.js |   4 -
 packages/babel-register/test/cache.js         |   4 +-
 packages/babel-register/test/index.js         | 149 ++++++++++--------
 4 files changed, 94 insertions(+), 68 deletions(-)
 create mode 100644 packages/babel-register/test/__data__/.babelrc
 delete mode 100644 packages/babel-register/test/__data__/gen_error.js

diff --git a/packages/babel-register/test/__data__/.babelrc b/packages/babel-register/test/__data__/.babelrc
new file mode 100644
index 000000000000..b3eb3ec8efed
--- /dev/null
+++ b/packages/babel-register/test/__data__/.babelrc
@@ -0,0 +1,5 @@
+{
+    "plugins": [
+        "@babel/transform-modules-commonjs"
+    ]
+}
\ No newline at end of file
diff --git a/packages/babel-register/test/__data__/gen_error.js b/packages/babel-register/test/__data__/gen_error.js
deleted file mode 100644
index 4a0676556e1d..000000000000
--- a/packages/babel-register/test/__data__/gen_error.js
+++ /dev/null
@@ -1,4 +0,0 @@
-/* eslint-disable */
-module.exports = () => { 'use strict'; let error; try { const impossible_result = ''.toFixed(); } catch (e) { error = e; } return error.stack.toString().replace('\n', ''); }
-
-
diff --git a/packages/babel-register/test/cache.js b/packages/babel-register/test/cache.js
index 214c25f66c72..dc38ae183a6a 100644
--- a/packages/babel-register/test/cache.js
+++ b/packages/babel-register/test/cache.js
@@ -28,13 +28,13 @@ function resetCache() {
   process.env.BABEL_DISABLE_CACHE = oldBabelDisableCacheValue;
 }
 
-describe.skip("@babel/register - caching", () => {
+describe("@babel/register - caching", () => {
   describe("cache", () => {
     let load, get, save;
 
     beforeEach(() => {
       // Since lib/cache is a singleton we need to fully reload it
-      delete require.cache[require.resolve("../lib/cache")];
+      jest.resetModuleRegistry();
       const cache = require("../lib/cache");
 
       load = cache.load;
diff --git a/packages/babel-register/test/index.js b/packages/babel-register/test/index.js
index f3b59d4b150e..f716c1a43ab8 100644
--- a/packages/babel-register/test/index.js
+++ b/packages/babel-register/test/index.js
@@ -1,31 +1,46 @@
-import sourceMapSupport from "source-map-support";
+import fs from "fs";
+
+let currentHook;
+let currentOptions;
+let sourceMapSupport = false;
+
+const registerFile = require.resolve("../lib/node");
+const testFile = require.resolve("./__data__/es2015");
+const testFileContent = fs.readFileSync(testFile);
+
+jest.mock("pirates", () => {
+  return {
+    addHook(hook, opts) {
+      currentHook = hook;
+      currentOptions = opts;
+
+      return () => {
+        currentHook = null;
+        currentOptions = null;
+      };
+    },
+  };
+});
+
+jest.mock("source-map-support", () => {
+  return {
+    install() {
+      sourceMapSupport = true;
+    },
+  };
+});
 
-const DATA_ES2015 = require.resolve("./__data__/es2015");
-const GEN_ERROR = require.resolve("./__data__/gen_error");
+const defaultOptions = {
+  exts: [".js", ".jsx", ".es6", ".es", ".mjs"],
+  ignoreNodeModules: false,
+};
 
-describe.skip("@babel/register", function() {
+describe("@babel/register", function() {
   let babelRegister;
-  let oldCompiler;
-
-  function setupRegister(config = {}) {
-    babelRegister = require("../lib/node");
-    babelRegister.default(
-      Object.assign(
-        {
-          plugins: [
-            {
-              visitor: {
-                ImportDeclaration(path) {
-                  path.remove();
-                },
-              },
-            },
-          ],
-          babelrc: false,
-        },
-        config,
-      ),
-    );
+
+  function setupRegister(config = { babelrc: false }) {
+    babelRegister = require(registerFile);
+    babelRegister.default(config);
   }
 
   function revertRegister() {
@@ -35,69 +50,79 @@ describe.skip("@babel/register", function() {
     }
   }
 
-  beforeAll(() => {
-    const js = require("default-require-extensions/js");
-    oldCompiler = require.extensions[".js"];
-    require.extensions[".js"] = js;
-    sourceMapSupport.install({
-      emptyCacheBetweenOperations: true,
-    });
+  afterEach(() => {
+    revertRegister();
+    currentHook = null;
+    currentOptions = null;
+    sourceMapSupport = false;
+    jest.resetModuleRegistry();
   });
 
-  afterAll(() => {
-    require.extensions[".js"] = oldCompiler;
-  });
+  test("registers hook correctly", () => {
+    setupRegister();
 
-  afterEach(() => {
-    revertRegister();
-    delete require.cache[DATA_ES2015];
-    delete require.cache[GEN_ERROR];
+    expect(typeof currentHook).toBe("function");
+    expect(currentOptions).toEqual(defaultOptions);
   });
 
-  it("registers correctly", () => {
+  test("unregisters hook correctly", () => {
     setupRegister();
+    revertRegister();
 
-    expect(require(DATA_ES2015)).toBeTruthy();
+    expect(currentHook).toBeNull();
+    expect(currentOptions).toBeNull();
   });
 
-  it("reverts correctly", () => {
+  test("installs source map support by default", () => {
     setupRegister();
 
-    expect(require(DATA_ES2015)).toBeTruthy();
-    delete require.cache[DATA_ES2015];
+    currentHook("const a = 1;", testFile);
 
-    revertRegister();
+    expect(sourceMapSupport).toBe(true);
+  });
+
+  test("installs source map support when requested", () => {
+    setupRegister({
+      babelrc: false,
+      sourceMaps: true,
+    });
 
-    expect(() => {
-      require(DATA_ES2015);
-    }).toThrow(SyntaxError);
+    currentHook("const a = 1;", testFile);
+
+    expect(sourceMapSupport).toBe(true);
   });
 
-  it("does not install source map support if asked not to", () => {
+  test("does not install source map support if asked not to", () => {
     setupRegister({
+      babelrc: false,
       sourceMaps: false,
     });
 
-    let gen_error;
-    expect((gen_error = require(GEN_ERROR))).toBeDefined();
-    expect(gen_error()).toEqual(/gen_error\.js:8:34/);
+    currentHook("const a = 1;", testFile);
+
+    expect(sourceMapSupport).toBe(false);
   });
 
-  it("installs source map support by default", () => {
-    setupRegister();
+  test("hook transpiles with config", () => {
+    setupRegister({
+      babelrc: false,
+      sourceMaps: false,
+      plugins: ["@babel/transform-modules-commonjs"],
+    });
 
-    let gen_error;
-    expect((gen_error = require(GEN_ERROR))).toBeDefined();
-    expect(gen_error()).toEqual(/gen_error\.js:2:86/);
+    const result = currentHook(testFileContent, testFile);
+
+    expect(result).toBe('"use strict";\n\nrequire("assert");');
   });
 
-  it("installs source map support when requested", () => {
+  test("hook transpiles with babelrc", () => {
     setupRegister({
-      sourceMaps: "both",
+      babelrc: true,
+      sourceMaps: false,
     });
 
-    let gen_error;
-    expect((gen_error = require(GEN_ERROR))).toBeDefined();
-    expect(gen_error()).toEqual(/gen_error\.js:2:86/);
+    const result = currentHook(testFileContent, testFile);
+
+    expect(result).toBe('"use strict";\n\nrequire("assert");');
   });
 });

From f9857ca6bae5b6c07f9ea266f0dd3dbd46ee614e Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 5 Mar 2018 15:49:27 +0100
Subject: [PATCH 078/140] Docs: Use namespace packages in all links (#7496)

preset-env and babylon were still linking to spearate repos
---
 packages/README.md | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/packages/README.md b/packages/README.md
index 07b340f2bfd6..7c3f1ab8d643 100644
--- a/packages/README.md
+++ b/packages/README.md
@@ -13,15 +13,15 @@ A monorepo, muhahahahahaha. See the [monorepo design doc](/doc/design/monorepo.m
 
 | Package | Version | Dependencies |
 |--------|-------|------------|
-| [`@babel/core`](/packages/babel-core) | [![npm](https://img.shields.io/npm/v/babel-core.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-core) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-core)](https://david-dm.org/babel/babel?path=packages/babel-core) |
-| [`babylon`](https://github.com/babel/babel/tree/master/packages/babylon) | [![npm](https://img.shields.io/npm/v/babylon.svg?maxAge=2592000)](https://www.npmjs.com/package/babylon) | [![Dependency Status](https://david-dm.org/babel/babylon.svg)](https://david-dm.org/babel/babylon) |
-| [`@babel/traverse`](/packages/babel-traverse) | [![npm](https://img.shields.io/npm/v/babel-traverse.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-traverse) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-traverse)](https://david-dm.org/babel/babel?path=packages/babel-traverse) |
-| [`@babel/generator`](/packages/babel-generator) | [![npm](https://img.shields.io/npm/v/babel-generator.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-generator) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-generator)](https://david-dm.org/babel/babel?path=packages/babel-generator) |
+| [`@babel/core`](/packages/babel-core) | [![npm](https://img.shields.io/npm/v/@babel/core.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/core) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-core)](https://david-dm.org/babel/babel?path=packages/babel-core) |
+| [`babylon`](/packages/babylon) | [![npm](https://img.shields.io/npm/v/babylon.svg?maxAge=2592000)](https://www.npmjs.com/package/babylon) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babylon)](https://david-dm.org/babel/babel?path=packages/babylon) |
+| [`@babel/traverse`](/packages/babel-traverse) | [![npm](https://img.shields.io/npm/v/@babel/traverse.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/traverse) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-traverse)](https://david-dm.org/babel/babel?path=packages/babel-traverse) |
+| [`@babel/generator`](/packages/babel-generator) | [![npm](https://img.shields.io/npm/v/@babel/generator.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/generator) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-generator)](https://david-dm.org/babel/babel?path=packages/babel-generator) |
 
 [`@babel/core`](/packages/babel-core) is the Babel compiler itself; it exposes the `babel.transform` method, where `transformedCode = transform(src).code`.
 
 The compiler can be broken down into 3 parts:
-- The parser: [`babylon`](https://github.com/babel/babel/tree/master/packages/babylon)
+- The parser: [`babylon`](/packages/babylon)
 - The transformer[s]: All the plugins/presets
   - These all use [`@babel/traverse`](/packages/babel-traverse) to traverse through the AST
 - The generator: [`@babel/generator`](/packages/babel-generator)
@@ -36,18 +36,18 @@ Check out the [`babel-handbook`](https://github.com/thejameskyle/babel-handbook/
 
 | Package | Version | Dependencies |
 |--------|-------|------------|
-| [`@babel/cli`](/packages/babel-cli) | [![npm](https://img.shields.io/npm/v/babel-cli.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-cli) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-cli)](https://david-dm.org/babel/babel?path=packages/babel-cli) |
-| [`@babel/types`](/packages/babel-types) | [![npm](https://img.shields.io/npm/v/babel-types.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-types) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-types)](https://david-dm.org/babel/babel?path=packages/babel-types) |
-| [`@babel/polyfill`](/packages/babel-polyfill) | [![npm](https://img.shields.io/npm/v/babel-polyfill.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-polyfill) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-polyfill)](https://david-dm.org/babel/babel?path=packages/babel-polyfill) |
-| [`@babel/runtime`](/packages/babel-runtime) | [![npm](https://img.shields.io/npm/v/babel-runtime.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-runtime) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-runtime)](https://david-dm.org/babel/babel?path=packages/babel-runtime) |
-| [`@babel/register`](/packages/babel-register) | [![npm](https://img.shields.io/npm/v/babel-register.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-register) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-register)](https://david-dm.org/babel/babel?path=packages/babel-register) |
-| [`@babel/template`](/packages/babel-template) | [![npm](https://img.shields.io/npm/v/babel-template.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-template) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-template)](https://david-dm.org/babel/babel?path=packages/babel-template) |
-| [`@babel/helpers`](/packages/babel-helpers) | [![npm](https://img.shields.io/npm/v/babel-helpers.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-helpers) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-helpers)](https://david-dm.org/babel/babel?path=packages/babel-helpers) |
-| [`@babel/code-frame`](/packages/babel-code-frame) | [![npm](https://img.shields.io/npm/v/babel-code-frame.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-code-frame) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-code-frame)](https://david-dm.org/babel/babel?path=packages/babel-code-frame) |
+| [`@babel/cli`](/packages/babel-cli) | [![npm](https://img.shields.io/npm/v/@babel/cli.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/cli) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-cli)](https://david-dm.org/babel/babel?path=packages/babel-cli) |
+| [`@babel/types`](/packages/babel-types) | [![npm](https://img.shields.io/npm/v/@babel/types.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/types) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-types)](https://david-dm.org/babel/babel?path=packages/babel-types) |
+| [`@babel/polyfill`](/packages/babel-polyfill) | [![npm](https://img.shields.io/npm/v/@babel/polyfill.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/polyfill) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-polyfill)](https://david-dm.org/babel/babel?path=packages/babel-polyfill) |
+| [`@babel/runtime`](/packages/babel-runtime) | [![npm](https://img.shields.io/npm/v/@babel/runtime.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/runtime) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-runtime)](https://david-dm.org/babel/babel?path=packages/babel-runtime) |
+| [`@babel/register`](/packages/babel-register) | [![npm](https://img.shields.io/npm/v/@babel/register.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/register) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-register)](https://david-dm.org/babel/babel?path=packages/babel-register) |
+| [`@babel/template`](/packages/babel-template) | [![npm](https://img.shields.io/npm/v/@babel/template.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/template) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-template)](https://david-dm.org/babel/babel?path=packages/babel-template) |
+| [`@babel/helpers`](/packages/babel-helpers) | [![npm](https://img.shields.io/npm/v/@babel/helpers.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/helpers) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-helpers)](https://david-dm.org/babel/babel?path=packages/babel-helpers) |
+| [`@babel/code-frame`](/packages/babel-code-frame) | [![npm](https://img.shields.io/npm/v/@babel/code-frame.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/code-frame) | [![Dependency Status](https://david-dm.org/babel/babel.svg?path=packages/babel-code-frame)](https://david-dm.org/babel/babel?path=packages/babel-code-frame) |
 
 - [`@babel/cli`](/packages/babel-cli) is the CLI tool that runs `@babel/core` and helps with outputting to a directory, a file, stdout and more (also includes `@babel/node` cli). Check out the [docs](https://babeljs.io/docs/usage/cli/).
 - [`@babel/types`](/packages/babel-types) is used to validate, build and change AST nodes.
-- [`@babel/polyfill`](/packages/babel-polyfill) is [literally a wrapper](https://github.com/babel/babel/blob/master/packages/babel-polyfill/src/index.js) around [`core-js`](https://github.com/zloirock/core-js) and [regenerator-runtime](https://github.com/facebook/regenerator/tree/master/packages/regenerator-runtime). Check out the [docs](https://babeljs.io/docs/usage/polyfill/).
+- [`@babel/polyfill`](/packages/babel-polyfill) is [literally a wrapper](/packages/babel-polyfill/src/index.js) around [`core-js`](https://github.com/zloirock/core-js) and [regenerator-runtime](https://github.com/facebook/regenerator/tree/master/packages/regenerator-runtime). Check out the [docs](https://babeljs.io/docs/usage/polyfill/).
 - [`@babel/runtime`](/packages/babel-runtime) is similar to the polyfill except that it doesn't modify the global scope and is to be used with [`@babel/plugin-transform-runtime`](/packages/babel-plugin-transform-runtime) (usually in library/plugin code). Check out the [docs](https://babeljs.io/docs/plugins/transform-runtime/).
 - [`@babel/register`](/packages/babel-register) is a way to automatically compile files with Babel on the fly by binding to Node.js `require`. Check out the [docs](http://babeljs.io/docs/usage/require/).
 - [`@babel/template`](/packages/babel-template) is a helper function that allows constructing AST nodes from a string presentation of the code; this eliminates the tedium of using `@babel/types` for building AST nodes.
@@ -62,7 +62,7 @@ The transformer[s] used in Babel are the independent pieces of code that transfo
 
 | Package | Version | Dependencies | Description |
 |--------|-------|------------|---|
-| [`@babel/preset-env`](https://github.com/babel/babel-preset-env) | [![npm](https://img.shields.io/npm/v/babel-preset-env.svg?maxAge=2592000)](https://www.npmjs.com/package/babel-preset-env) | [![Dependency Status](https://david-dm.org/babel/babel-preset-env.svg)](https://david-dm.org/babel/babel-preset-env) | automatically determines plugins and polyfills you need based on your supported environments |
+| [`@babel/preset-env`](/packages/babel-preset-env) | [![npm](https://img.shields.io/npm/v/@babel/preset-env.svg?maxAge=2592000)](https://www.npmjs.com/package/@babel/preset-env) | [![Dependency Status](https://david-dm.org/babel/babel/status.svg?path=packages/babel-preset-env)](https://david-dm.org/babel/babel?path=packages/babel-preset-env) | automatically determines plugins and polyfills you need based on your supported environments |
 
 > You can find community maintained presets on [npm](https://www.npmjs.com/search?q=babel-preset)
 

From a340a2614fb6c6343785dac36830bb611e1fde42 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 5 Mar 2018 16:04:29 +0100
Subject: [PATCH 079/140] Fix reseting modules in jest and config (#7494)

* Fix reseting modules in jest and config

we have lib folders inside the source folders which should not be ignored.

* Add codemods lib folder

* Support mjs

* improve ignore pattern
---
 package.json                          | 21 +++++++++++----------
 packages/babel-register/test/cache.js |  2 +-
 packages/babel-register/test/index.js |  2 +-
 3 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/package.json b/package.json
index 0ae16b0475d6..e60cbd1c1a7d 100644
--- a/package.json
+++ b/package.json
@@ -78,10 +78,12 @@
   },
   "jest": {
     "collectCoverageFrom": [
+      "packages/*/src/**/*.mjs",
       "packages/*/src/**/*.js",
+      "codemods/*/src/**/*.mjs",
       "codemods/*/src/**/*.js"
     ],
-    "testRegex": "./(packages|codemods)/[^/]+/test/.+\\.js$",
+    "testRegex": "./(packages|codemods)/[^/]+/test/.+\\.m?js$",
     "testPathIgnorePatterns": [
       "/node_modules/",
       "/test/fixtures/",
@@ -90,24 +92,23 @@
       "/test/tmp/",
       "/test/__data__/",
       "/test/helpers/",
-      "<rootDir>/test/warning.js",
+      "<rootDir>/test/warning\\.js",
       "<rootDir>/build/",
-      "_browser.js"
+      "_browser\\.js"
     ],
     "testEnvironment": "node",
     "setupTestFrameworkScriptFile": "<rootDir>/test/testSetupFile.js",
     "transformIgnorePatterns": [
       "/node_modules/",
-      "/test/fixtures/",
-      "/test/tmp/",
-      "/test/__data__/",
-      "/lib/"
-    ],
-    "modulePaths": [
-      "<rootDir>/packages/"
+      "<rootDir>/packages/babel-standalone/babel(\\.min)?\\.js",
+      "<rootDir>/packages/babel-preset-env-standalone/babel-preset-env(\\.min)?\\.js",
+      "/test/(fixtures|tmp|__data__)/",
+      "<rootDir>/(packages|codemods)/[^/]+/lib/"
     ],
     "modulePathIgnorePatterns": [
       "/test/fixtures/",
+      "/test/tmp/",
+      "/test/__data__/",
       "<rootDir>/build/"
     ]
   }
diff --git a/packages/babel-register/test/cache.js b/packages/babel-register/test/cache.js
index dc38ae183a6a..c9704cbdd3ab 100644
--- a/packages/babel-register/test/cache.js
+++ b/packages/babel-register/test/cache.js
@@ -34,7 +34,7 @@ describe("@babel/register - caching", () => {
 
     beforeEach(() => {
       // Since lib/cache is a singleton we need to fully reload it
-      jest.resetModuleRegistry();
+      jest.resetModules();
       const cache = require("../lib/cache");
 
       load = cache.load;
diff --git a/packages/babel-register/test/index.js b/packages/babel-register/test/index.js
index f716c1a43ab8..67eef9920488 100644
--- a/packages/babel-register/test/index.js
+++ b/packages/babel-register/test/index.js
@@ -55,7 +55,7 @@ describe("@babel/register", function() {
     currentHook = null;
     currentOptions = null;
     sourceMapSupport = false;
-    jest.resetModuleRegistry();
+    jest.resetModules();
   });
 
   test("registers hook correctly", () => {

From a86d311986e7b08fd0109ae5a38763e880bdecb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Mon, 5 Mar 2018 17:11:16 +0100
Subject: [PATCH 080/140] Reuse the `assertThisInitialized` helper in
 `possibleConstructorReturn` (#7493)

---
 packages/babel-helpers/src/helpers.js                  | 10 +++-------
 .../test/fixtures/regression/6154/output.js            |  2 +-
 .../test/fixtures/regression/7030/output.js            |  4 +++-
 .../test/fixtures/extend-builtins/spec/output.js       |  4 +++-
 .../test/fixtures/regression/T7537/output.js           |  4 +++-
 .../super-reference-before-bare-super-inline/output.js |  2 +-
 .../spec/super-reference-before-bare-super/output.js   |  2 +-
 .../test/fixtures/regression/6057-expanded/output.js   |  2 +-
 8 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 8b89f2e55d4a..682923fea9fb 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -582,17 +582,13 @@ helpers.assertThisInitialized = () => template.program.ast`
 `;
 
 helpers.possibleConstructorReturn = () => template.program.ast`
+  import assertThisInitialized from "assertThisInitialized";
+
   export default function _possibleConstructorReturn(self, call) {
     if (call && (typeof call === "object" || typeof call === "function")) {
       return call;
     }
-    // TODO: Should just be
-    //   import assertThisInitialized from "assertThisInitialized";
-    //   return assertThisInitialized(self);
-    if (self === void 0) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-    return self;
+    return assertThisInitialized(self);
   }
 `;
 
diff --git a/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/6154/output.js b/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/6154/output.js
index c272ca164bf8..5561d047d73a 100644
--- a/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/6154/output.js
+++ b/packages/babel-plugin-proposal-class-properties/test/fixtures/regression/6154/output.js
@@ -2,7 +2,7 @@ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterat
 
 function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return right[Symbol.hasInstance](left); } else { return left instanceof right; } }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/regression/7030/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/regression/7030/output.js
index b47a62b382fe..c21f2cdab152 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/regression/7030/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/regression/7030/output.js
@@ -4,7 +4,9 @@ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterat
 
 function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
index b6a5b878b7d8..4b7fbb1def64 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
@@ -1,6 +1,8 @@
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/regression/T7537/output.js b/packages/babel-plugin-transform-classes/test/fixtures/regression/T7537/output.js
index dc8a3c6389a0..3b47c5925e21 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/regression/T7537/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/regression/T7537/output.js
@@ -1,6 +1,8 @@
 function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super-inline/output.js b/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super-inline/output.js
index e019eadfd9d2..ef3b23c9b24d 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super-inline/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super-inline/output.js
@@ -1,6 +1,6 @@
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super/output.js b/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super/output.js
index 854033398beb..9413bc4a635e 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-bare-super/output.js
@@ -1,6 +1,6 @@
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
-function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
diff --git a/packages/babel-plugin-transform-parameters/test/fixtures/regression/6057-expanded/output.js b/packages/babel-plugin-transform-parameters/test/fixtures/regression/6057-expanded/output.js
index c3554cc0ec24..e113eb30897c 100644
--- a/packages/babel-plugin-transform-parameters/test/fixtures/regression/6057-expanded/output.js
+++ b/packages/babel-plugin-transform-parameters/test/fixtures/regression/6057-expanded/output.js
@@ -19,7 +19,7 @@ function _defineProperties(target, props) { for (var i = 0; i < props.length; i+
 
 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
 
-function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 

From 4d76d5dddc0a5ca4b7360004da1a78dd5dd22e2d Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Sun, 4 Mar 2018 18:22:13 -0800
Subject: [PATCH 081/140] Refactor Babel's helpers into smaller functions.

---
 packages/babel-helpers/src/helpers.js         | 158 ++++++++++--------
 .../test/fixtures/regression/T7199/output.js  |   8 +-
 packages/babel-traverse/src/scope/index.js    |  10 +-
 3 files changed, 104 insertions(+), 72 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 8b89f2e55d4a..fb536f414801 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -620,70 +620,6 @@ helpers.set = () => template.program.ast`
   }
 `;
 
-helpers.slicedToArray = () => template.program.ast`
-  // Broken out into a separate function to avoid deoptimizations due to the try/catch for the
-  // array iterator case.
-  function _sliceIterator(arr, i) {
-    // this is an expanded form of \`for...of\` that properly supports abrupt completions of
-    // iterators etc. variable names have been minimised to reduce the size of this massive
-    // helper. sometimes spec compliancy is annoying :(
-    //
-    // _n = _iteratorNormalCompletion
-    // _d = _didIteratorError
-    // _e = _iteratorError
-    // _i = _iterator
-    // _s = _step
-
-    var _arr = [];
-    var _n = true;
-    var _d = false;
-    var _e = undefined;
-    try {
-      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-        _arr.push(_s.value);
-        if (i && _arr.length === i) break;
-      }
-    } catch (err) {
-      _d = true;
-      _e = err;
-    } finally {
-      try {
-        if (!_n && _i["return"] != null) _i["return"]();
-      } finally {
-        if (_d) throw _e;
-      }
-    }
-    return _arr;
-  }
-
-  export default function _slicedToArray(arr, i) {
-    if (Array.isArray(arr)) {
-      return arr;
-    } else if (Symbol.iterator in Object(arr)) {
-      return _sliceIterator(arr, i);
-    } else {
-      throw new TypeError("Invalid attempt to destructure non-iterable instance");
-    }
-  }
-`;
-
-helpers.slicedToArrayLoose = () => template.program.ast`
-  export default function _slicedToArrayLoose(arr, i) {
-    if (Array.isArray(arr)) {
-      return arr;
-    } else if (Symbol.iterator in Object(arr)) {
-      var _arr = [];
-      for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
-        _arr.push(_step.value);
-        if (i && _arr.length === i) break;
-      }
-      return _arr;
-    } else {
-      throw new TypeError("Invalid attempt to destructure non-iterable instance");
-    }
-  }
-`;
-
 helpers.taggedTemplateLiteral = () => template.program.ast`
   export default function _taggedTemplateLiteral(strings, raw) {
     if (!raw) { raw = strings.slice(0); }
@@ -729,23 +665,109 @@ helpers.temporalUndefined = () => template.program.ast`
   export default {};
 `;
 
+helpers.slicedToArray = () => template.program.ast`
+  import arrayWithHoles from "arrayWithHoles";
+  import iterableToArrayLimit from "iterableToArrayLimit";
+  import nonIterableRest from "nonIterableRest";
+
+  export default function _slicedToArray(arr, i) {
+    return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || nonIterableRest();
+  }
+`;
+
+helpers.slicedToArrayLoose = () => template.program.ast`
+  import arrayWithHoles from "arrayWithHoles";
+  import iterableToArrayLimitLoose from "iterableToArrayLimitLoose";
+  import nonIterableRest from "nonIterableRest";
+
+  export default function _slicedToArrayLoose(arr, i) {
+    return arrayWithHoles(arr) || iterableToArrayLimitLoose(arr, i) || nonIterableRest();
+  }
+`;
+
 helpers.toArray = () => template.program.ast`
-  export default function _toArray(arr) {
-    return Array.isArray(arr) ? arr : Array.from(arr);
+  import arrayWithHoles from "arrayWithHoles";
+
+  export default function _toConsumableArray(arr) {
+    return arrayWithHoles(arr) || Array.from(arr);
   }
 `;
 
 helpers.toConsumableArray = () => template.program.ast`
+  import arrayWithoutHoles from "arrayWithoutHoles";
+
   export default function _toConsumableArray(arr) {
+    return arrayWithoutHoles(arr) || Array.from(arr);
+  }
+`;
+
+helpers.arrayWithoutHoles = () => template.program.ast`
+  export default function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
       for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
       return arr2;
-    } else {
-      return Array.from(arr);
     }
   }
 `;
 
+helpers.arrayWithHoles = () => template.program.ast`
+  export default function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+`;
+
+helpers.iterableToArrayLimit = () => template.program.ast`
+  export default function _iterableToArrayLimit(arr, i) {
+    // this is an expanded form of \`for...of\` that properly supports abrupt completions of
+    // iterators etc. variable names have been minimised to reduce the size of this massive
+    // helper. sometimes spec compliancy is annoying :(
+    //
+    // _n = _iteratorNormalCompletion
+    // _d = _didIteratorError
+    // _e = _iteratorError
+    // _i = _iterator
+    // _s = _step
+
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+    return _arr;
+  }
+`;
+
+helpers.iterableToArrayLimitLoose = () => template.program.ast`
+  export default function _iterableToArrayLimitLoose(arr, i) {
+    var _arr = [];
+    for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+      _arr.push(_step.value);
+      if (i && _arr.length === i) break;
+    }
+    return _arr;
+  }
+`;
+
+helpers.nonIterableRest = () => template.program.ast`
+  export default function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
+`;
+
 helpers.skipFirstGeneratorNext = () => template.program.ast`
   export default function _skipFirstGeneratorNext(fn) {
     return function () {
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
index 47c956825184..563d49889bff 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
@@ -4,9 +4,13 @@ var _foo = _interopRequireDefault(require("foo"));
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
 
-function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
 
-function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
 
 const _bar = bar,
       _bar2 = _slicedToArray(_bar, 1),
diff --git a/packages/babel-traverse/src/scope/index.js b/packages/babel-traverse/src/scope/index.js
index f123d1ac2409..a2055dd05ac9 100644
--- a/packages/babel-traverse/src/scope/index.js
+++ b/packages/babel-traverse/src/scope/index.js
@@ -401,7 +401,7 @@ export default class Scope {
     console.log(sep);
   }
 
-  toArray(node: Object, i?: number) {
+  toArray(node: Object, i?: number | boolean) {
     const file = this.hub.file;
 
     if (t.isIdentifier(node)) {
@@ -431,14 +431,20 @@ export default class Scope {
       );
     }
 
-    let helperName = "toArray";
+    let helperName;
     const args = [node];
     if (i === true) {
+      // Used in array-spread to create an array.
       helperName = "toConsumableArray";
     } else if (i) {
       args.push(t.numericLiteral(i));
+
+      // Used in array-rest to create an array from a subset of an iterable.
       helperName = "slicedToArray";
       // TODO if (this.hub.file.isLoose("es6.forOf")) helperName += "-loose";
+    } else {
+      // Used in array-rest to create an array
+      helperName = "toArray";
     }
     return t.callExpression(file.addHelper(helperName), args);
   }

From eaa31b6ec3618b2a725e01b6a5bb5e794f62faab Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Mon, 5 Mar 2018 09:27:14 -0800
Subject: [PATCH 082/140] Explicitly throw if the rest/spread items are not
 iterable.

---
 packages/babel-helpers/src/helpers.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index fb536f414801..929f26462de8 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -687,17 +687,21 @@ helpers.slicedToArrayLoose = () => template.program.ast`
 
 helpers.toArray = () => template.program.ast`
   import arrayWithHoles from "arrayWithHoles";
+  import iterableToArray from "iterableToArray";
+  import nonIterableRest from "nonIterableRest";
 
   export default function _toConsumableArray(arr) {
-    return arrayWithHoles(arr) || Array.from(arr);
+    return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
   }
 `;
 
 helpers.toConsumableArray = () => template.program.ast`
   import arrayWithoutHoles from "arrayWithoutHoles";
+  import iterableToArray from "iterableToArray";
+  import nonIterableSpread from "nonIterableSpread";
 
   export default function _toConsumableArray(arr) {
-    return arrayWithoutHoles(arr) || Array.from(arr);
+    return arrayWithoutHoles(arr) || iterableToArray(arr) || nonIterableSpread();
   }
 `;
 
@@ -716,6 +720,15 @@ helpers.arrayWithHoles = () => template.program.ast`
   }
 `;
 
+helpers.iterableToArray = () => template.program.ast`
+  export default function _iterableToArray(iter) {
+    if (
+      Symbol.iterator in Object(iter) ||
+      Object.prototype.toString.call(iter) === "[object Arguments]"
+    ) return Array.from(iter);
+  }
+`;
+
 helpers.iterableToArrayLimit = () => template.program.ast`
   export default function _iterableToArrayLimit(arr, i) {
     // this is an expanded form of \`for...of\` that properly supports abrupt completions of
@@ -762,6 +775,12 @@ helpers.iterableToArrayLimitLoose = () => template.program.ast`
   }
 `;
 
+helpers.nonIterableSpread = () => template.program.ast`
+  export default function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+`;
+
 helpers.nonIterableRest = () => template.program.ast`
   export default function _nonIterableRest() {
     throw new TypeError("Invalid attempt to destructure non-iterable instance");

From eb2a0b0fcd0f206e57ddb2c6f12919346820970b Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 5 Mar 2018 20:12:56 +0100
Subject: [PATCH 083/140] Raise minimum version for debug to only allow secure
 version. (#7495)

---
 packages/babel-core/package.json     | 2 +-
 packages/babel-traverse/package.json | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 281b39deb6c6..49442ef7802b 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -36,7 +36,7 @@
     "@babel/types": "7.0.0-beta.40",
     "babylon": "7.0.0-beta.40",
     "convert-source-map": "^1.1.0",
-    "debug": "^3.0.1",
+    "debug": "^3.1.0",
     "json5": "^0.5.0",
     "lodash": "^4.2.0",
     "micromatch": "^2.3.11",
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 05159aa2a67f..7c5226b34abb 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -14,7 +14,7 @@
     "@babel/helper-split-export-declaration": "7.0.0-beta.40",
     "@babel/types": "7.0.0-beta.40",
     "babylon": "7.0.0-beta.40",
-    "debug": "^3.0.1",
+    "debug": "^3.1.0",
     "globals": "^11.1.0",
     "invariant": "^2.2.0",
     "lodash": "^4.2.0"

From 5d615dd1983817952cce103ab05b0b6bb174d915 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Tue, 6 Mar 2018 01:03:59 +0100
Subject: [PATCH 084/140] Disallow setters to have RestElement (#7498)

---
 packages/babylon/src/parser/expression.js     |  19 +-
 packages/babylon/src/parser/statement.js      |   2 +-
 packages/babylon/src/plugins/estree.js        |  17 +-
 packages/babylon/src/plugins/flow.js          |  23 ++-
 packages/babylon/src/types.js                 |  12 ++
 .../getter-signature/options.json             |   2 +-
 .../es2015/uncategorised/347/options.json     |   2 +-
 .../invalid-setter-rest/options.json          |   3 +
 .../invalid-setter-rest/output.json           | 188 ------------------
 .../invalid-getter-param-count-rest/input.js  |   3 +
 .../options.json                              |   3 +
 .../invalid-getter-param-count/options.json   |   2 +-
 .../invalid-setter-param-count/options.json   |   2 +-
 .../invalid-setter-param-type/input.js        |   3 +
 .../invalid-setter-param-type/options.json    |   3 +
 15 files changed, 73 insertions(+), 211 deletions(-)
 create mode 100644 packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/options.json
 delete mode 100644 packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/output.json
 create mode 100644 packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/input.js
 create mode 100644 packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/options.json
 create mode 100644 packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/input.js
 create mode 100644 packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/options.json

diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 1712baf40fbe..9785d854b7ac 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -1383,17 +1383,24 @@ export default class ExpressionParser extends LValParser {
   }
 
   // get methods aren't allowed to have any parameters
-  // set methods must have exactly 1 parameter
-  checkGetterSetterParamCount(method: N.ObjectMethod | N.ClassMethod): void {
+  // set methods must have exactly 1 parameter which is not a rest parameter
+  checkGetterSetterParams(method: N.ObjectMethod | N.ClassMethod): void {
     const paramCount = method.kind === "get" ? 0 : 1;
+    const start = method.start;
     if (method.params.length !== paramCount) {
-      const start = method.start;
       if (method.kind === "get") {
-        this.raise(start, "getter should have no params");
+        this.raise(start, "getter must not have any formal parameters");
       } else {
-        this.raise(start, "setter should have exactly one param");
+        this.raise(start, "setter must have exactly one formal parameter");
       }
     }
+
+    if (method.kind === "set" && method.params[0].type === "RestElement") {
+      this.raise(
+        start,
+        "setter function argument must not be a rest parameter",
+      );
+    }
   }
 
   parseObjectMethod(
@@ -1426,7 +1433,7 @@ export default class ExpressionParser extends LValParser {
         /* isConstructor */ false,
         "ObjectMethod",
       );
-      this.checkGetterSetterParamCount(prop);
+      this.checkGetterSetterParams(prop);
       return prop;
     }
   }
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index cd8a9efbeaec..f8c102a37a8b 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -1161,7 +1161,7 @@ export default class StatementParser extends ExpressionParser {
         );
       }
 
-      this.checkGetterSetterParamCount(publicMethod);
+      this.checkGetterSetterParams(publicMethod);
     } else if (this.isLineTerminator()) {
       // an uninitialized class property (due to ASI, since we don't otherwise recognize the next token)
       if (isPrivate) {
diff --git a/packages/babylon/src/plugins/estree.js b/packages/babylon/src/plugins/estree.js
index 81ed5a2010b0..091d4b35e82a 100644
--- a/packages/babylon/src/plugins/estree.js
+++ b/packages/babylon/src/plugins/estree.js
@@ -82,17 +82,24 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       }
     }
 
-    checkGetterSetterParamCount(prop: N.ObjectMethod | N.ClassMethod): void {
+    checkGetterSetterParams(method: N.ObjectMethod | N.ClassMethod): void {
+      const prop = ((method: any): N.EstreeProperty | N.EstreeMethodDefinition);
       const paramCount = prop.kind === "get" ? 0 : 1;
-      // $FlowFixMe (prop.value present for ObjectMethod, but for ClassMethod should use prop.params?)
+      const start = prop.start;
       if (prop.value.params.length !== paramCount) {
-        const start = prop.start;
         if (prop.kind === "get") {
-          this.raise(start, "getter should have no params");
+          this.raise(start, "getter must not have any formal parameters");
         } else {
-          this.raise(start, "setter should have exactly one param");
+          this.raise(start, "setter must have exactly one formal parameter");
         }
       }
+
+      if (prop.kind === "set" && prop.value.params[0].type === "RestElement") {
+        this.raise(
+          start,
+          "setter function argument must not be a rest parameter",
+        );
+      }
     }
 
     checkLVal(
diff --git a/packages/babylon/src/plugins/flow.js b/packages/babylon/src/plugins/flow.js
index cce373f357e4..679d932fa536 100644
--- a/packages/babylon/src/plugins/flow.js
+++ b/packages/babylon/src/plugins/flow.js
@@ -763,7 +763,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
             this.startNodeAt(node.start, node.loc.start),
           );
           if (kind === "get" || kind === "set") {
-            this.flowCheckGetterSetterParamCount(node);
+            this.flowCheckGetterSetterParams(node);
           }
         } else {
           if (kind !== "init") this.unexpected();
@@ -783,20 +783,29 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       }
     }
 
-    // This is similar to checkGetterSetterParamCount, but as
+    // This is similar to checkGetterSetterParams, but as
     // babylon uses non estree properties we cannot reuse it here
-    flowCheckGetterSetterParamCount(
+    flowCheckGetterSetterParams(
       property: N.FlowObjectTypeProperty | N.FlowObjectTypeSpreadProperty,
     ): void {
       const paramCount = property.kind === "get" ? 0 : 1;
-      if (property.value.params.length !== paramCount) {
-        const start = property.start;
+      const start = property.start;
+      const length =
+        property.value.params.length + (property.value.rest ? 1 : 0);
+      if (length !== paramCount) {
         if (property.kind === "get") {
-          this.raise(start, "getter should have no params");
+          this.raise(start, "getter must not have any formal parameters");
         } else {
-          this.raise(start, "setter should have exactly one param");
+          this.raise(start, "setter must have exactly one formal parameter");
         }
       }
+
+      if (property.kind === "set" && property.value.rest) {
+        this.raise(
+          start,
+          "setter function argument must not be a rest parameter",
+        );
+      }
     }
 
     flowObjectTypeSemicolon(): void {
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index 7f7f46b6460a..41d457d7f137 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -941,6 +941,18 @@ export type EstreeProperty = NodeBase & {
   variance?: ?FlowVariance,
 };
 
+export type EstreeMethodDefinition = NodeBase & {
+  type: "MethodDefinition",
+  static: boolean,
+  key: Expression,
+  computed: boolean,
+  value: Expression,
+  decorators: $ReadOnlyArray<Decorator>,
+  kind?: "get" | "set" | "method",
+
+  variance?: ?FlowVariance,
+};
+
 // === === === ===
 // TypeScript
 // === === === ===
diff --git a/packages/babylon/test/fixtures/es2015/class-methods/getter-signature/options.json b/packages/babylon/test/fixtures/es2015/class-methods/getter-signature/options.json
index 9699409e829a..e096100dcfd6 100644
--- a/packages/babylon/test/fixtures/es2015/class-methods/getter-signature/options.json
+++ b/packages/babylon/test/fixtures/es2015/class-methods/getter-signature/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "getter should have no params (2:2)"
+  "throws": "getter must not have any formal parameters (2:2)"
 }
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/es2015/uncategorised/347/options.json b/packages/babylon/test/fixtures/es2015/uncategorised/347/options.json
index 739bda889b8a..9a137564eed4 100644
--- a/packages/babylon/test/fixtures/es2015/uncategorised/347/options.json
+++ b/packages/babylon/test/fixtures/es2015/uncategorised/347/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "setter should have exactly one param (1:10)"
+  "throws": "setter must have exactly one formal parameter (1:10)"
 }
diff --git a/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/options.json b/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/options.json
new file mode 100644
index 000000000000..c397e398c82b
--- /dev/null
+++ b/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/options.json
@@ -0,0 +1,3 @@
+{
+    "throws": "setter function argument must not be a rest parameter (1:6)"
+  }
diff --git a/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/output.json b/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/output.json
deleted file mode 100644
index 8d4bed2eb18c..000000000000
--- a/packages/babylon/test/fixtures/esprima/rest-parameter/invalid-setter-rest/output.json
+++ /dev/null
@@ -1,188 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 22,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 1,
-      "column": 22
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 22,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 1,
-        "column": 22
-      }
-    },
-    "sourceType": "script",
-    "body": [
-      {
-        "type": "ExpressionStatement",
-        "start": 0,
-        "end": 22,
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 0
-          },
-          "end": {
-            "line": 1,
-            "column": 22
-          }
-        },
-        "expression": {
-          "type": "AssignmentExpression",
-          "start": 0,
-          "end": 22,
-          "loc": {
-            "start": {
-              "line": 1,
-              "column": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 22
-            }
-          },
-          "operator": "=",
-          "left": {
-            "type": "Identifier",
-            "start": 0,
-            "end": 1,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 0
-              },
-              "end": {
-                "line": 1,
-                "column": 1
-              },
-              "identifierName": "x"
-            },
-            "name": "x"
-          },
-          "right": {
-            "type": "ObjectExpression",
-            "start": 4,
-            "end": 22,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 4
-              },
-              "end": {
-                "line": 1,
-                "column": 22
-              }
-            },
-            "properties": [
-              {
-                "type": "ObjectMethod",
-                "start": 6,
-                "end": 20,
-                "loc": {
-                  "start": {
-                    "line": 1,
-                    "column": 6
-                  },
-                  "end": {
-                    "line": 1,
-                    "column": 20
-                  }
-                },
-                "method": false,
-                "key": {
-                  "type": "Identifier",
-                  "start": 10,
-                  "end": 11,
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 10
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 11
-                    },
-                    "identifierName": "f"
-                  },
-                  "name": "f"
-                },
-                "computed": false,
-                "kind": "set",
-                "id": null,
-                "generator": false,
-                "async": false,
-                "params": [
-                  {
-                    "type": "RestElement",
-                    "start": 12,
-                    "end": 16,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 12
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 16
-                      }
-                    },
-                    "argument": {
-                      "type": "Identifier",
-                      "start": 15,
-                      "end": 16,
-                      "loc": {
-                        "start": {
-                          "line": 1,
-                          "column": 15
-                        },
-                        "end": {
-                          "line": 1,
-                          "column": 16
-                        },
-                        "identifierName": "y"
-                      },
-                      "name": "y"
-                    }
-                  }
-                ],
-                "body": {
-                  "type": "BlockStatement",
-                  "start": 18,
-                  "end": 20,
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 18
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 20
-                    }
-                  },
-                  "body": [],
-                  "directives": []
-                }
-              }
-            ]
-          }
-        }
-      }
-    ],
-    "directives": []
-  }
-}
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/input.js b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/input.js
new file mode 100644
index 000000000000..a93bcb11c209
--- /dev/null
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/input.js
@@ -0,0 +1,3 @@
+type B = {
+  get a(...foo): number;
+}
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/options.json b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/options.json
new file mode 100644
index 000000000000..65bc24a66fcd
--- /dev/null
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count-rest/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "getter must not have any formal parameters (2:2)"
+}
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count/options.json b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count/options.json
index 8694117aee68..65bc24a66fcd 100644
--- a/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count/options.json
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-getter-param-count/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "getter should have no params (2:2)"
+  "throws": "getter must not have any formal parameters (2:2)"
 }
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-count/options.json b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-count/options.json
index 8ea95ab8887d..6a1567782202 100644
--- a/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-count/options.json
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-count/options.json
@@ -1,3 +1,3 @@
 {
-  "throws": "setter should have exactly one param (2:2)"
+  "throws": "setter must have exactly one formal parameter (2:2)"
 }
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/input.js b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/input.js
new file mode 100644
index 000000000000..169d54941f64
--- /dev/null
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/input.js
@@ -0,0 +1,3 @@
+type B = {
+  set a(...w): void;
+}
diff --git a/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/options.json b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/options.json
new file mode 100644
index 000000000000..15ce6a4c5a51
--- /dev/null
+++ b/packages/babylon/test/fixtures/flow/object-types/invalid-setter-param-type/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "setter function argument must not be a rest parameter (2:2)"
+}

From 50b9fbb57073877e733714843fe9ab4765751687 Mon Sep 17 00:00:00 2001
From: Raja Sekar <rajasekar89be@gmail.com>
Date: Tue, 13 Feb 2018 11:54:19 +0530
Subject: [PATCH 085/140] empty src dir error fix - fixes #7375

---
 packages/babel-cli/src/babel/dir.js                  | 12 ++++++++++++
 .../babel/empty dir --out-dir/in-files/src/.gitkeep  |  0
 .../fixtures/babel/empty dir --out-dir/options.json  |  3 +++
 .../babel/empty dir --out-dir/out-files/src/.gitkeep |  0
 .../fixtures/babel/empty dir --out-dir/stdout.txt    |  0
 5 files changed, 15 insertions(+)
 create mode 100644 packages/babel-cli/test/fixtures/babel/empty dir --out-dir/in-files/src/.gitkeep
 create mode 100644 packages/babel-cli/test/fixtures/babel/empty dir --out-dir/options.json
 create mode 100644 packages/babel-cli/test/fixtures/babel/empty dir --out-dir/out-files/src/.gitkeep
 create mode 100644 packages/babel-cli/test/fixtures/babel/empty dir --out-dir/stdout.txt

diff --git a/packages/babel-cli/src/babel/dir.js b/packages/babel-cli/src/babel/dir.js
index 31c80fbb62c7..28b2f5bd3c11 100644
--- a/packages/babel-cli/src/babel/dir.js
+++ b/packages/babel-cli/src/babel/dir.js
@@ -63,6 +63,13 @@ export default function(commander, filenames, opts) {
     return path.join(commander.outDir, filename);
   }
 
+  function outputDestFolder(outDir) {
+    const outDirPath = path.resolve(outDir);
+    if (!fs.existsSync(outDirPath)) {
+      fs.mkdirSync(outDirPath);
+    }
+  }
+
   function handleFile(src, filename, base, callback) {
     if (typeof base === "function") {
       callback = base;
@@ -82,6 +89,11 @@ export default function(commander, filenames, opts) {
   }
 
   function sequentialHandleFile(files, dirname, index, callback) {
+    if (files.length === 0) {
+      outputDestFolder(commander.outDir);
+      return;
+    }
+
     if (typeof index === "function") {
       callback = index;
       index = 0;
diff --git a/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/in-files/src/.gitkeep b/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/in-files/src/.gitkeep
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/options.json b/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/options.json
new file mode 100644
index 000000000000..0aeb1496b74e
--- /dev/null
+++ b/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/options.json	
@@ -0,0 +1,3 @@
+{
+  "args": ["src", "--out-dir", "lib"]
+}
diff --git a/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/out-files/src/.gitkeep b/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/out-files/src/.gitkeep
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/stdout.txt b/packages/babel-cli/test/fixtures/babel/empty dir --out-dir/stdout.txt
new file mode 100644
index 000000000000..e69de29bb2d1

From c8992e4155a30b14b2b185d711bb3c43a8fc0df3 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Tue, 6 Mar 2018 11:40:36 +0100
Subject: [PATCH 086/140] Enforce Prettier defaults + also format .babelrc and
 .json (#7499)

* .prettierrc: full configuration for Prettier

This way, contributors using different-from-default settings will still
use the correct prettier settings

* Makefile: also lint .babelrc.js

* Makefile: also prettify .json files

* Exclude package.json files and correct build dir

* Add more default options to prettierrc and load it in cli

This avoids prettier looking up the config for each file

* Format json

* Update prettier and eslint and reformat codebase

* Remove obsolete file

* Add comment
---
 .babelrc.js     |   8 ++--
 .eslintignore   |   3 +-
 .eslintrc.json  |   9 +---
 .prettierrc     |   9 ++++
 Makefile        |   6 ++-
 lerna.json      |  15 ++----
 package.json    |   6 +--
 test/warning.js |   2 -
 yarn.lock       | 120 +++++++++++++++++++++++++-----------------------
 9 files changed, 89 insertions(+), 89 deletions(-)
 delete mode 100644 test/warning.js

diff --git a/.babelrc.js b/.babelrc.js
index bfb12e62cf81..0caaf19bf06e 100644
--- a/.babelrc.js
+++ b/.babelrc.js
@@ -5,15 +5,15 @@ const envOpts = {
   loose: true,
 };
 
-switch(env) {
+switch (env) {
   case "development":
     envOpts.debug = true;
-    // fall-through
+  // fall-through
   case "test":
   case "cov":
     envOpts.targets = {
-      node: "current"
-  };
+      node: "current",
+    };
 }
 
 const config = {
diff --git a/.eslintignore b/.eslintignore
index bbfa4a378cb7..39e51ed1b442 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,4 +1,6 @@
 /lib
+/build
+package.json
 packages/babel-runtime
 !packages/babel-runtime/scripts
 !packages/babel-runtime/core-js.js
@@ -18,5 +20,4 @@ packages/babel-preset-env-standalone/babel-preset-env.js
 packages/babel-preset-env-standalone/babel-preset-env.min.js
 packages/babel-standalone/babel.js
 packages/babel-standalone/babel.min.js
-packages/babylon/build
 packages/babylon/test/expressions
diff --git a/.eslintrc.json b/.eslintrc.json
index 990708104eba..a26533ebde85 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,9 +1,7 @@
 {
   "root": true,
   "extends": "babel",
-  "plugins": [
-    "prettier"
-  ],
+  "plugins": ["prettier"],
   "rules": {
     "curly": ["error", "multi-line"],
     "prettier/prettier": "error",
@@ -14,10 +12,7 @@
   },
   "overrides": [
     {
-      "files": [
-        "packages/*/src/**/*.js",
-        "codemods/*/src/**/*.js"
-      ],
+      "files": ["packages/*/src/**/*.js", "codemods/*/src/**/*.js"],
       "rules": {
         "no-undefined-identifier": "error",
         "no-deprecated-clone": "error"
diff --git a/.prettierrc b/.prettierrc
index f7d1c5e0d570..371aad410ab4 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,5 +1,14 @@
 {
+  "arrowParens": "avoid",
   "trailingComma": "es5",
+  "useTabs": false,
+  "semi": true,
+  "singleQuote": false,
+  "bracketSpacing": true,
+  "jsxBracketSameLine": false,
+  "tabWidth": 2,
+  "parser": "babylon",
+  "printWidth": 80,
   "overrides": [{
     "files": [
       "**/codemods/*/src/**/*.js",
diff --git a/Makefile b/Makefile
index 306391272ba1..edfc097cebdf 100644
--- a/Makefile
+++ b/Makefile
@@ -53,10 +53,12 @@ flow:
 	./node_modules/.bin/flow check --strip-root
 
 lint:
-	./node_modules/.bin/eslint scripts $(SOURCES) *.js --format=codeframe --rulesdir="./scripts/eslint_rules"
+	./node_modules/.bin/eslint scripts $(SOURCES) '*.js' '**/.*.js' --format=codeframe --rulesdir="./scripts/eslint_rules"
 
 fix:
-	./node_modules/.bin/eslint scripts $(SOURCES) *.js --format=codeframe --fix --rulesdir="./scripts/eslint_rules"
+    # The config is hardcoded because otherwise prettier searches for it and also picks up some broken package.json files from tests
+	./node_modules/.bin/prettier --config .prettierrc --write --ignore-path .eslintignore '**/*.json'
+	./node_modules/.bin/eslint scripts $(SOURCES) '*.js' '**/.*.js' --format=codeframe --fix --rulesdir="./scripts/eslint_rules"
 
 clean: test-clean
 	rm -rf packages/babel-polyfill/browser*
diff --git a/lerna.json b/lerna.json
index ebd0f70d3cf6..457e7a1ac25a 100644
--- a/lerna.json
+++ b/lerna.json
@@ -16,19 +16,10 @@
   "cacheDir": ".changelog",
   "commands": {
     "publish": {
-      "ignore": [
-        "*.md",
-        "test/**",
-        "codemods/**"
-      ]
+      "ignore": ["*.md", "test/**", "codemods/**"]
     }
   },
-  "packages": [
-    "packages/*",
-    "codemods/*"
-  ],
+  "packages": ["packages/*", "codemods/*"],
   "npmClient": "yarn",
-  "npmClientArgs": [
-    "--no-lockfile"
-  ]
+  "npmClientArgs": ["--no-lockfile"]
 }
diff --git a/package.json b/package.json
index e60cbd1c1a7d..4d400ea8c36e 100644
--- a/package.json
+++ b/package.json
@@ -25,11 +25,11 @@
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",
-    "chalk": "^2.0.0",
+    "chalk": "^2.3.2",
     "charcodes": "^0.1.0",
     "derequire": "^2.0.2",
     "enhanced-resolve": "^3.0.0",
-    "eslint": "^4.5.0",
+    "eslint": "^4.18.2",
     "eslint-config-babel": "^7.0.2",
     "eslint-plugin-flowtype": "^2.20.0",
     "eslint-plugin-prettier": "^2.5.0",
@@ -52,7 +52,7 @@
     "lodash": "^4.2.0",
     "merge-stream": "^1.0.1",
     "output-file-sync": "^2.0.0",
-    "prettier": "1.10.2",
+    "prettier": "1.11.1",
     "pump": "^1.0.2",
     "rimraf": "^2.4.3",
     "rollup-plugin-babel": "^4.0.0-beta.0",
diff --git a/test/warning.js b/test/warning.js
deleted file mode 100644
index 072f4a8f07c2..000000000000
--- a/test/warning.js
+++ /dev/null
@@ -1,2 +0,0 @@
-console.error("Don't run `mocha` directly. Use `make test`. See CONTRIBUTING.md for usage instructions.");
-process.exit(0);
diff --git a/yarn.lock b/yarn.lock
index 0a6226578e28..904acd83d95a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -780,7 +780,7 @@ acorn@^4.0.3:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
-acorn@^5.0.0, acorn@^5.0.3, acorn@^5.2.1, acorn@^5.3.0, acorn@^5.4.0, acorn@^5.4.1:
+acorn@^5.0.0, acorn@^5.0.3, acorn@^5.2.1, acorn@^5.3.0, acorn@^5.4.1, acorn@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.0.tgz#1abb587fbf051f94e3de20e6b26ef910b1828298"
 
@@ -788,7 +788,11 @@ add-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/add-stream/-/add-stream-1.0.0.tgz#6a7990437ca736d5e1288db92bd3266d5f5cb2aa"
 
-ajv-keywords@^3.0.0, ajv-keywords@^3.1.0:
+ajv-keywords@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
+
+ajv-keywords@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.1.0.tgz#ac2b27939c543e95d2c06e7f7f5c27be4aa543be"
 
@@ -799,7 +803,7 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^5.1.0, ajv@^5.3.0:
+ajv@^5.1.0, ajv@^5.2.3, ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
@@ -808,9 +812,9 @@ ajv@^5.1.0, ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
-ajv@^6.0.1, ajv@^6.1.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.2.0.tgz#afac295bbaa0152449e522742e4547c1ae9328d2"
+ajv@^6.1.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.2.1.tgz#28a6abc493a2abe0fb4c8507acaedb43fa550671"
   dependencies:
     fast-deep-equal "^1.0.0"
     fast-json-stable-stringify "^2.0.0"
@@ -872,9 +876,9 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
+ansi-styles@^3.2.0, ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
   dependencies:
     color-convert "^1.9.0"
 
@@ -1667,8 +1671,8 @@ camelcase@^4.1.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
 caniuse-lite@^1.0.30000809:
-  version "1.0.30000810"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000810.tgz#47585fffce0e9f3593a6feea4673b945424351d9"
+  version "1.0.30000812"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000812.tgz#d173b686b49bc941fa18ff2e7e533048e20ed92c"
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1702,13 +1706,13 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.1.tgz#523fe2678aec7b04e8041909292fe8b17059b796"
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.2.tgz#250dc96b07491bfd601e648d66ddf5f60c7a5c65"
   dependencies:
-    ansi-styles "^3.2.0"
+    ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
-    supports-color "^5.2.0"
+    supports-color "^5.3.0"
 
 charcodes@^0.1.0:
   version "0.1.0"
@@ -1983,8 +1987,8 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
 concat-stream@^1.4.10, concat-stream@^1.4.6, concat-stream@^1.5.0, concat-stream@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.1.tgz#261b8f518301f1d834e36342b9fea095d2620a26"
   dependencies:
     inherits "^2.0.3"
     readable-stream "^2.2.2"
@@ -2030,11 +2034,11 @@ conventional-changelog-atom@^0.2.4:
     q "^1.5.1"
 
 conventional-changelog-cli@^1.3.1:
-  version "1.3.15"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-cli/-/conventional-changelog-cli-1.3.15.tgz#cd7f0e64473f1cecee902ee5ee00548ea91bcc9e"
+  version "1.3.16"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-cli/-/conventional-changelog-cli-1.3.16.tgz#69acdcc4b68b4d123c5945868dffe394960cea9d"
   dependencies:
     add-stream "^1.0.0"
-    conventional-changelog "^1.1.17"
+    conventional-changelog "^1.1.18"
     lodash "^4.2.1"
     meow "^4.0.0"
     tempfile "^1.1.1"
@@ -2069,9 +2073,9 @@ conventional-changelog-ember@^0.3.6:
   dependencies:
     q "^1.5.1"
 
-conventional-changelog-eslint@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/conventional-changelog-eslint/-/conventional-changelog-eslint-1.0.4.tgz#333456d1884d96f3a49cc0984a745095e9d56288"
+conventional-changelog-eslint@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-eslint/-/conventional-changelog-eslint-1.0.5.tgz#8bae05ebbf574e6506caf7b37dc51ca21b74d220"
   dependencies:
     q "^1.5.1"
 
@@ -2119,16 +2123,16 @@ conventional-changelog-writer@^3.0.4:
     split "^1.0.0"
     through2 "^2.0.0"
 
-conventional-changelog@^1.1.17:
-  version "1.1.17"
-  resolved "https://registry.yarnpkg.com/conventional-changelog/-/conventional-changelog-1.1.17.tgz#9019503d51328d8b33b0be6d425ab7f065918332"
+conventional-changelog@^1.1.18:
+  version "1.1.18"
+  resolved "https://registry.yarnpkg.com/conventional-changelog/-/conventional-changelog-1.1.18.tgz#ffe28798e4ddef5f6e2f74398e8248bcb233360b"
   dependencies:
     conventional-changelog-angular "^1.6.6"
     conventional-changelog-atom "^0.2.4"
     conventional-changelog-codemirror "^0.3.4"
     conventional-changelog-core "^2.0.5"
     conventional-changelog-ember "^0.3.6"
-    conventional-changelog-eslint "^1.0.4"
+    conventional-changelog-eslint "^1.0.5"
     conventional-changelog-express "^0.3.4"
     conventional-changelog-jquery "^0.1.0"
     conventional-changelog-jscs "^0.1.0"
@@ -2488,8 +2492,8 @@ detective@^4.0.0:
     defined "^1.0.0"
 
 diff@^3.2.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
 
 diffie-hellman@^5.0.0:
   version "5.0.2"
@@ -2778,9 +2782,9 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-eslint@^4.5.0:
-  version "4.18.1"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.1.tgz#b9138440cb1e98b2f44a0d578c6ecf8eae6150b0"
+eslint@^4.18.2:
+  version "4.18.2"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.2.tgz#0f81267ad1012e7d2051e186a9004cc2267b8d45"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -2817,14 +2821,14 @@ eslint@^4.5.0:
     semver "^5.3.0"
     strip-ansi "^4.0.0"
     strip-json-comments "~2.0.1"
-    table "^4.0.1"
+    table "4.0.2"
     text-table "~0.2.0"
 
 espree@^3.5.2:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.3.tgz#931e0af64e7fbbed26b050a29daad1fc64799fa6"
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
   dependencies:
-    acorn "^5.4.0"
+    acorn "^5.5.0"
     acorn-jsx "^3.0.0"
 
 esprima@^3.1.3, esprima@~3.1.0:
@@ -3832,8 +3836,8 @@ html-loader@^0.4.5:
     object-assign "^4.1.0"
 
 html-minifier@^3.0.1:
-  version "3.5.9"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.9.tgz#74424014b872598d4bb0e20ac420926ec61024b6"
+  version "3.5.10"
+  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.10.tgz#8522c772c388db81aa5c26f62033302d906ea1c7"
   dependencies:
     camel-case "3.0.x"
     clean-css "4.1.x"
@@ -4660,8 +4664,8 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
 js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -5455,8 +5459,8 @@ module-deps@^4.0.8:
     xtend "^4.0.0"
 
 moment@^2.6.0:
-  version "2.20.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.20.1.tgz#d6eb1a46cbcc14a2b2f9434112c1ff8907f313fd"
+  version "2.21.0"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.21.0.tgz#2a114b51d2a6ec9e6d83cf803f838a878d8a023a"
 
 ms@2.0.0:
   version "2.0.0"
@@ -6100,9 +6104,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.10.2:
-  version "1.10.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
+prettier@1.11.1:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.11.1.tgz#61e43fc4cd44e68f2b0dfc2c38cd4bb0fccdcc75"
 
 pretty-format@^21.2.1:
   version "21.2.1"
@@ -6312,8 +6316,8 @@ read-pkg@^3.0.0:
     string_decoder "~0.10.x"
 
 readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.4.tgz#c946c3f47fa7d8eabc0b6150f4a12f69a4574071"
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.5.tgz#b4f85003a938cbb6ecbce2a124fb1012bd1a838d"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -7165,9 +7169,9 @@ supports-color@^4.2.1:
   dependencies:
     has-flag "^2.0.0"
 
-supports-color@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.2.0.tgz#b0d5333b1184dd3666cbe5aa0b45c5ac7ac17a4a"
+supports-color@^5.2.0, supports-color@^5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.3.0.tgz#5b24ac15db80fa927cf5227a4a33fd3c4c7676c0"
   dependencies:
     has-flag "^3.0.0"
 
@@ -7189,12 +7193,12 @@ syntax-error@^1.1.1:
   dependencies:
     acorn-node "^1.2.0"
 
-table@^4.0.1:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+table@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
   dependencies:
-    ajv "^6.0.1"
-    ajv-keywords "^3.0.0"
+    ajv "^5.2.3"
+    ajv-keywords "^2.1.0"
     chalk "^2.1.0"
     lodash "^4.17.4"
     slice-ansi "1.0.0"
@@ -7421,8 +7425,8 @@ typedarray@^0.0.6, typedarray@~0.0.5:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
 uglify-js@3.3.x, uglify-js@^3.0.5:
-  version "3.3.12"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.3.12.tgz#efd87c16a1f4c674a8a5ede571001ef634dcc883"
+  version "3.3.13"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.3.13.tgz#8a1a89eeb16e2d6a66b0db2b04cb871af3c669cf"
   dependencies:
     commander "~2.14.1"
     source-map "~0.6.1"

From 65dcc4eabe8a59a0611450b208ba5725a67444f5 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel.tschinder@researchgate.net>
Date: Tue, 6 Mar 2018 11:57:26 +0100
Subject: [PATCH 087/140] Fix makefile indentation

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index edfc097cebdf..4aefcff3fc7a 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ lint:
 	./node_modules/.bin/eslint scripts $(SOURCES) '*.js' '**/.*.js' --format=codeframe --rulesdir="./scripts/eslint_rules"
 
 fix:
-    # The config is hardcoded because otherwise prettier searches for it and also picks up some broken package.json files from tests
+	# The config is hardcoded because otherwise prettier searches for it and also picks up some broken package.json files from tests
 	./node_modules/.bin/prettier --config .prettierrc --write --ignore-path .eslintignore '**/*.json'
 	./node_modules/.bin/eslint scripts $(SOURCES) '*.js' '**/.*.js' --format=codeframe --fix --rulesdir="./scripts/eslint_rules"
 

From 7e423de911aee7ee3bf09543411f207f2778cf08 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Wed, 7 Mar 2018 07:10:11 -0600
Subject: [PATCH 088/140] Restore passing SIGINT signals to spawned child
 processes (#7511)

---
 packages/babel-node/src/babel-node.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/babel-node/src/babel-node.js b/packages/babel-node/src/babel-node.js
index e67c8022c47f..31e3634a1a8a 100755
--- a/packages/babel-node/src/babel-node.js
+++ b/packages/babel-node/src/babel-node.js
@@ -95,5 +95,9 @@ getV8Flags(function(err, v8Flags) {
         }
       });
     });
+    process.on("SIGINT", () => {
+      proc.kill("SIGINT");
+      process.exit(1);
+    });
   }
 });

From 2d3654954132144d69e58dfb316e8853c585df56 Mon Sep 17 00:00:00 2001
From: Yuta Hiroto <git@about-hiroppy.com>
Date: Wed, 7 Mar 2018 23:49:56 +0900
Subject: [PATCH 089/140] Update README.md and add test

---
 .../README.md                                              | 3 +--
 .../test/fixtures/block-scoped-functions/basic/input.js    | 7 +++++++
 .../fixtures/block-scoped-functions/basic/options.json     | 3 +++
 .../test/fixtures/block-scoped-functions/basic/output.js   | 6 ++++++
 .../test/index.js                                          | 3 +++
 5 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/input.js
 create mode 100644 packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/options.json
 create mode 100644 packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/output.js
 create mode 100644 packages/babel-plugin-transform-block-scoped-functions/test/index.js

diff --git a/packages/babel-plugin-transform-block-scoped-functions/README.md b/packages/babel-plugin-transform-block-scoped-functions/README.md
index 835d7424bb69..95985cf600a1 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/README.md
+++ b/packages/babel-plugin-transform-block-scoped-functions/README.md
@@ -20,11 +20,10 @@ name("Steve");
 
 ```javascript
 {
-  var _name = function _name(n) {
+  let name = function (n) {
     return n;
   };
 }
-
 name("Steve");
 ```
 
diff --git a/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/input.js b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/input.js
new file mode 100644
index 000000000000..fe3cbae18f37
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/input.js
@@ -0,0 +1,7 @@
+{
+  function name (n) {
+    return n;
+  }
+}
+
+name("Steve");
diff --git a/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/options.json b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/options.json
new file mode 100644
index 000000000000..de68899ab3c2
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-block-scoped-functions"]
+}
diff --git a/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/output.js b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/output.js
new file mode 100644
index 000000000000..3a82ac158794
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoped-functions/test/fixtures/block-scoped-functions/basic/output.js
@@ -0,0 +1,6 @@
+{
+  let name = function (n) {
+    return n;
+  };
+}
+name("Steve");
diff --git a/packages/babel-plugin-transform-block-scoped-functions/test/index.js b/packages/babel-plugin-transform-block-scoped-functions/test/index.js
new file mode 100644
index 000000000000..1b534b8fc64a
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoped-functions/test/index.js
@@ -0,0 +1,3 @@
+import runner from "@babel/helper-plugin-test-runner";
+
+runner(__dirname);

From 40819f112c176f5516d80bb326fb56ed2ab8d6a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rory=20O=E2=80=99Kane?= <rory@roryokane.com>
Date: Wed, 7 Mar 2018 15:01:39 -0500
Subject: [PATCH 090/140] Fix link to proposal in `do` expressions plugin
 README (#7519)

The old link, http://wiki.ecmascript.org/doku.php?id=strawman:do_expressions, fails to load for me.

[skip ci]
---
 packages/babel-plugin-proposal-do-expressions/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-plugin-proposal-do-expressions/README.md b/packages/babel-plugin-proposal-do-expressions/README.md
index cc5c3aabc84c..177c9dc22e42 100644
--- a/packages/babel-plugin-proposal-do-expressions/README.md
+++ b/packages/babel-plugin-proposal-do-expressions/README.md
@@ -113,6 +113,6 @@ require("@babel/core").transform("code", {
 ```
 
 ## References
-- [Proposal](http://wiki.ecmascript.org/doku.php?id=strawman:do_expressions)
+- [Proposal](https://github.com/tc39/proposal-do-expressions)
 - [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS/blob/master/types%20%26%20grammar/ch5.md#statement-completion-values)
 - Very handy for conditions inside JSX: [reactjs/react-future#35](https://github.com/reactjs/react-future/issues/35#issuecomment-120009203)

From 53825f8152969057de2e33b589d5892316235331 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Wed, 7 Mar 2018 12:27:10 -0800
Subject: [PATCH 091/140] Show a more useful diff when comparing fixture files.
 (#7520)

---
 .../package.json                              |  1 +
 .../src/index.js                              | 33 ++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 9a4ed2f0b845..f513856e2c30 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -14,6 +14,7 @@
     "@babel/polyfill": "7.0.0-beta.40",
     "chai": "^4.1.0",
     "jest": "^22.4.2",
+    "jest-diff": "^22.4.0",
     "lodash": "^4.2.0",
     "resolve": "^1.3.2",
     "source-map": "^0.5.0"
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index aaa5fe387f15..03dda4511e8e 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -15,6 +15,8 @@ import fs from "fs";
 import path from "path";
 import vm from "vm";
 
+import diff from "jest-diff";
+
 const moduleCache = {};
 const testContext = vm.createContext({
   ...helpers,
@@ -412,7 +414,10 @@ function run(task) {
       }
     } else {
       actualCode = result.code.trim();
-      expect(actualCode).toEqual(expectCode);
+      expect(actualCode).toEqualFile({
+        filename: expected.loc,
+        code: expectCode,
+      });
 
       if (actualCode) {
         expect(expected.loc).toMatch(
@@ -442,6 +447,28 @@ function run(task) {
   }
 }
 
+const toEqualFile = () => ({
+  compare: (actual, { filename, code }) => {
+    const pass = actual === code;
+    return {
+      pass,
+      message: () => {
+        const diffString = diff(code, actual, {
+          expand: false,
+        });
+        return (
+          `Expected ${filename} to match transform output.\n` +
+          `To autogenerate a passing version of this file, delete the file and re-run the tests.\n\n` +
+          `Diff:\n\n${diffString}`
+        );
+      },
+    };
+  },
+  negativeCompare: () => {
+    throw new Error("Negation unsupported");
+  },
+});
+
 export default function(
   fixturesLoc: string,
   name: string,
@@ -455,6 +482,10 @@ export default function(
     if (includes(suiteOpts.ignoreSuites, testSuite.title)) continue;
 
     describe(name + "/" + testSuite.title, function() {
+      jest.addMatchers({
+        toEqualFile,
+      });
+
       for (const task of testSuite.tests) {
         if (
           includes(suiteOpts.ignoreTasks, task.title) ||

From fef5c7e52315e8858ab4d1e7beea709a593df603 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 2 Mar 2018 16:46:04 -0800
Subject: [PATCH 092/140] Expose the partial Babel config for people to load
 and mutate.

---
 packages/babel-core/README.md                 |  72 ++++
 .../babel-core/src/config/config-chain.js     |  27 +-
 .../src/config/config-descriptors.js          |  52 ++-
 packages/babel-core/src/config/full.js        | 300 +++++++++++++++
 packages/babel-core/src/config/index.js       | 343 +-----------------
 packages/babel-core/src/config/item.js        | 120 ++++++
 packages/babel-core/src/config/partial.js     | 118 ++++++
 packages/babel-core/src/config/util.js        |  30 ++
 .../src/config/validation/options.js          |   6 +-
 packages/babel-core/src/index.js              |  15 +-
 10 files changed, 725 insertions(+), 358 deletions(-)
 create mode 100644 packages/babel-core/src/config/full.js
 create mode 100644 packages/babel-core/src/config/item.js
 create mode 100644 packages/babel-core/src/config/partial.js
 create mode 100644 packages/babel-core/src/config/util.js

diff --git a/packages/babel-core/README.md b/packages/babel-core/README.md
index 24262bec47d6..810f84238e84 100644
--- a/packages/babel-core/README.md
+++ b/packages/babel-core/README.md
@@ -123,6 +123,78 @@ const parsedAst = babylon.parse(sourceCode, { allowReturnOutsideFunction: true }
 const { code, map, ast } = babel.transformFromAstSync(parsedAst, sourceCode, options);
 ```
 
+## babel.parse(code: string, [options?](#options): Object)
+
+Given some code, parse it using Babel's standard behavior. Referenced presets and
+plugins will be loaded such that optional syntax plugins are automatically
+enabled.
+
+
+## Advanced APIs
+
+Many systems that wrap Babel like to automatically inject plugins and presets,
+or override options. To accomplish this goal, Babel exposes several functions
+that aid in loading the configuration part-way without transforming.
+
+### babel.loadOptions([options?](#options): Object)
+
+Resolve Babel's options fully, resulting in an options object where:
+
+* `opts.plugins` is a full list of `Plugin` instances.
+* `opts.presets` is empty and all presets are flattened into `opts`.
+* It can be safely passed back to Babel. Fields like `babelrc` have been set to 
+  false so that later calls to Babel will not make a second attempt to load
+  config files.
+
+`Plugin` instances aren't meant to be manipulated directly, but often
+callers will serialize this `opts` to JSON to use it as a cache key representing
+the options Babel has received. Caching on this isn't 100% guaranteed to
+invalidate properly, but it is the best we have at the moment.
+
+
+### babel.loadPartialConfig([options?](#options): Object): PartialConfig
+
+To allow systems to easily manipulate and validate a user's config, this function
+resolves the plugins and presets and proceeds no further. The expectation is
+that callers will take the config's `.options`, manipulate it as then see fit
+and pass it back to Babel again.
+
+* `babelrc: string | void` - The path of the `.babelrc` file, if there was one.
+* `babelignore: string | void` - The path of the `.babelignore` file, if there was one.
+* `options: ValidatedOptions` - The partially resolved options, which can be manipulated and passed back to Babel again.
+  * `plugins: Array<ConfigItem>` - See below.
+  * `presets: Array<ConfigItem>` - See below.
+  * It can be safely passed back to Babel. Fields like `babelrc` have been set
+    to false so that later calls to Babel will not make a second attempt to 
+    load config files.
+
+[`ConfigItem`](#configitem-type) instances expose properties to introspect the values, but each
+item should be treated as immutable. If changes are desired, the item should be
+removed from the list and replaced with either a normal Babel config value, or
+with a replacement item created by `babel.createConfigItem`. See that
+function for information about `ConfigItem` fields.
+
+
+### babel.createConfigItem(value: string | {} | Function, options?: {}, { dirname?: string, name?: string, type?: "preset" | "plugin" }): ConfigItem
+
+Allows build tooling to create and cache config items up front. If this function
+is called multiple times for a given plugin, Babel will call the plugin's function itself
+multiple times. If you have a clear set of expected plugins and presets to
+inject, pre-constructing the config items would be recommended.
+
+
+### `ConfigItem` type
+
+Each `ConfigItem` exposes all of the information Babel knows. The fields are:
+
+* `value: {} | Function` - The resolved value of the plugin.
+* `options: {} | void` - The options object passed to the plugin.
+* `dirname: string` - The path that the options are relative to.
+* `name: string | void` - The name that the user gave the plugin instance, e.g. `plugins: [ ['env', {}, 'my-env'] ]` 
+* `file: Object | void` - Information about the plugin's file, if Babel knows it.
+  * `request: string` - The file that the user requested, e.g. `"@babel/env"`
+  * `resolved: string` - The full path of the resolved file, e.g. `"/tmp/node_modules/@babel/preset-env/lib/index.js"`
+
 
 ## Options
 
diff --git a/packages/babel-core/src/config/config-chain.js b/packages/babel-core/src/config/config-chain.js
index 81adcdff79af..cf0e3eaf017d 100644
--- a/packages/babel-core/src/config/config-chain.js
+++ b/packages/babel-core/src/config/config-chain.js
@@ -12,7 +12,12 @@ import {
 
 const debug = buildDebug("babel:config:config-chain");
 
-import { findRelativeConfig, loadConfig, type ConfigFile } from "./files";
+import {
+  findRelativeConfig,
+  loadConfig,
+  type ConfigFile,
+  type IgnoreFile,
+} from "./files";
 
 import { makeWeakCache, makeStrongCache } from "./caching";
 
@@ -99,13 +104,18 @@ const loadPresetOverridesEnvDescriptors = makeWeakCache(
     ),
 );
 
+export type RootConfigChain = ConfigChain & {
+  babelrc: ConfigFile | void,
+  ignore: IgnoreFile | void,
+};
+
 /**
  * Build a config chain for Babel's full root configuration.
  */
 export function buildRootChain(
   opts: ValidatedOptions,
   context: ConfigContext,
-): ConfigChain | null {
+): RootConfigChain | null {
   const programmaticChain = loadProgrammaticChain(
     {
       options: opts,
@@ -115,19 +125,24 @@ export function buildRootChain(
   );
   if (!programmaticChain) return null;
 
+  let ignore, babelrc;
+
   const fileChain = emptyChain();
   // resolve all .babelrc files
   if (opts.babelrc !== false && context.filename !== null) {
     const filename = context.filename;
 
-    const { ignore, config } = findRelativeConfig(filename, context.envName);
+    ({ ignore, config: babelrc } = findRelativeConfig(
+      filename,
+      context.envName,
+    ));
 
     if (ignore && shouldIgnore(context, ignore.ignore, null, ignore.dirname)) {
       return null;
     }
 
-    if (config) {
-      const result = loadFileChain(config, context);
+    if (babelrc) {
+      const result = loadFileChain(babelrc, context);
       if (!result) return null;
 
       mergeChain(fileChain, result);
@@ -145,6 +160,8 @@ export function buildRootChain(
     plugins: dedupDescriptors(chain.plugins),
     presets: dedupDescriptors(chain.presets),
     options: chain.options.map(o => normalizeOptions(o)),
+    ignore: ignore || undefined,
+    babelrc: babelrc || undefined,
   };
 }
 
diff --git a/packages/babel-core/src/config/config-descriptors.js b/packages/babel-core/src/config/config-descriptors.js
index a7ea427179a4..d5bf311149d9 100644
--- a/packages/babel-core/src/config/config-descriptors.js
+++ b/packages/babel-core/src/config/config-descriptors.js
@@ -2,6 +2,8 @@
 
 import { loadPlugin, loadPreset } from "./files";
 
+import { getItemDescriptor } from "./item";
+
 import {
   makeWeakCache,
   makeStrongCache,
@@ -33,6 +35,10 @@ export type UnloadedDescriptor = {
   dirname: string,
   alias: string,
   ownPass?: boolean,
+  file?: {
+    request: string,
+    resolved: string,
+  } | void,
 };
 
 export type ValidatedFile = {
@@ -152,16 +158,11 @@ function createDescriptors(
   ownPass?: boolean,
 ): Array<UnloadedDescriptor> {
   const descriptors = items.map((item, index) =>
-    createDescriptor(
-      item,
-      type === "plugin" ? loadPlugin : loadPreset,
-      dirname,
-      {
-        index,
-        alias,
-        ownPass: !!ownPass,
-      },
-    ),
+    createDescriptor(item, dirname, {
+      type,
+      alias: `${alias}$${index}`,
+      ownPass: !!ownPass,
+    }),
   );
 
   assertNoDuplicates(descriptors);
@@ -172,20 +173,24 @@ function createDescriptors(
 /**
  * Given a plugin/preset item, resolve it into a standard format.
  */
-function createDescriptor(
+export function createDescriptor(
   pair: PluginItem,
-  resolver,
-  dirname,
+  dirname: string,
   {
-    index,
+    type,
     alias,
     ownPass,
   }: {
-    index: number,
+    type?: "plugin" | "preset",
     alias: string,
     ownPass?: boolean,
   },
 ): UnloadedDescriptor {
+  const desc = getItemDescriptor(pair);
+  if (desc) {
+    return desc;
+  }
+
   let name;
   let options;
   let value = pair;
@@ -198,9 +203,23 @@ function createDescriptor(
     }
   }
 
+  let file = undefined;
   let filepath = null;
   if (typeof value === "string") {
+    if (typeof type !== "string") {
+      throw new Error(
+        "To resolve a string-based item, the type of item must be given",
+      );
+    }
+    const resolver = type === "plugin" ? loadPlugin : loadPreset;
+    const request = value;
+
     ({ filepath, value } = resolver(value, dirname));
+
+    file = {
+      request,
+      resolved: filepath,
+    };
   }
 
   if (!value) {
@@ -232,11 +251,12 @@ function createDescriptor(
 
   return {
     name,
-    alias: filepath || `${alias}$${index}`,
+    alias: filepath || alias,
     value,
     options,
     dirname,
     ownPass,
+    file,
   };
 }
 
diff --git a/packages/babel-core/src/config/full.js b/packages/babel-core/src/config/full.js
new file mode 100644
index 000000000000..a65a2e9ff070
--- /dev/null
+++ b/packages/babel-core/src/config/full.js
@@ -0,0 +1,300 @@
+// @flow
+
+import { mergeOptions } from "./util";
+import * as context from "../index";
+import Plugin from "./plugin";
+import { getItemDescriptor } from "./item";
+import {
+  buildPresetChain,
+  type ConfigContext,
+  type ConfigChain,
+  type PresetInstance,
+} from "./config-chain";
+import type { UnloadedDescriptor } from "./config-descriptors";
+import traverse from "@babel/traverse";
+import { makeWeakCache, type CacheConfigurator } from "./caching";
+import { validate } from "./validation/options";
+import { validatePluginObject } from "./validation/plugins";
+import makeAPI from "./helpers/config-api";
+
+import loadPrivatePartialConfig from "./partial";
+
+type LoadedDescriptor = {
+  value: {},
+  options: {},
+  dirname: string,
+  alias: string,
+};
+
+export type { InputOptions } from "./validation/options";
+
+export type ResolvedConfig = {
+  options: Object,
+  passes: PluginPasses,
+};
+
+export type { Plugin };
+export type PluginPassList = Array<Plugin>;
+export type PluginPasses = Array<PluginPassList>;
+
+// Context not including filename since it is used in places that cannot
+// process 'ignore'/'only' and other filename-based logic.
+type SimpleContext = {
+  envName: string,
+};
+
+export default function loadFullConfig(
+  inputOpts: mixed,
+): ResolvedConfig | null {
+  const result = loadPrivatePartialConfig(inputOpts);
+  if (!result) {
+    return null;
+  }
+  const { options, context } = result;
+
+  const optionDefaults = {};
+  const passes = [[]];
+  try {
+    const { plugins, presets } = options;
+
+    if (!plugins || !presets) {
+      throw new Error("Assertion failure - plugins and presets exist");
+    }
+
+    const ignored = (function recurseDescriptors(
+      config: {
+        plugins: Array<UnloadedDescriptor>,
+        presets: Array<UnloadedDescriptor>,
+      },
+      pass: Array<Plugin>,
+    ) {
+      const plugins = config.plugins.map(descriptor => {
+        return loadPluginDescriptor(descriptor, context);
+      });
+      const presets = config.presets.map(descriptor => {
+        return {
+          preset: loadPresetDescriptor(descriptor, context),
+          pass: descriptor.ownPass ? [] : pass,
+        };
+      });
+
+      // resolve presets
+      if (presets.length > 0) {
+        // The passes are created in the same order as the preset list, but are inserted before any
+        // existing additional passes.
+        passes.splice(
+          1,
+          0,
+          ...presets.map(o => o.pass).filter(p => p !== pass),
+        );
+
+        for (const { preset, pass } of presets) {
+          if (!preset) return true;
+
+          const ignored = recurseDescriptors(
+            {
+              plugins: preset.plugins,
+              presets: preset.presets,
+            },
+            pass,
+          );
+          if (ignored) return true;
+
+          preset.options.forEach(opts => {
+            mergeOptions(optionDefaults, opts);
+          });
+        }
+      }
+
+      // resolve plugins
+      if (plugins.length > 0) {
+        pass.unshift(...plugins);
+      }
+    })(
+      {
+        plugins: plugins.map(item => {
+          const desc = getItemDescriptor(item);
+          if (!desc) {
+            throw new Error("Assertion failure - must be config item");
+          }
+
+          return desc;
+        }),
+        presets: presets.map(item => {
+          const desc = getItemDescriptor(item);
+          if (!desc) {
+            throw new Error("Assertion failure - must be config item");
+          }
+
+          return desc;
+        }),
+      },
+      passes[0],
+    );
+
+    if (ignored) return null;
+  } catch (e) {
+    // There are a few case where thrown errors will try to annotate themselves multiple times, so
+    // to keep things simple we just bail out if re-wrapping the message.
+    if (!/^\[BABEL\]/.test(e.message)) {
+      e.message = `[BABEL] ${context.filename || "unknown"}: ${e.message}`;
+    }
+
+    throw e;
+  }
+
+  const opts: Object = optionDefaults;
+  mergeOptions(opts, options);
+
+  opts.plugins = passes[0];
+  opts.presets = passes
+    .slice(1)
+    .filter(plugins => plugins.length > 0)
+    .map(plugins => ({ plugins }));
+  opts.passPerPreset = opts.presets.length > 0;
+
+  return {
+    options: opts,
+    passes: passes,
+  };
+}
+
+/**
+ * Load a generic plugin/preset from the given descriptor loaded from the config object.
+ */
+const loadDescriptor = makeWeakCache(
+  (
+    { value, options, dirname, alias }: UnloadedDescriptor,
+    cache: CacheConfigurator<SimpleContext>,
+  ): LoadedDescriptor => {
+    // Disabled presets should already have been filtered out
+    if (options === false) throw new Error("Assertion failure");
+
+    options = options || {};
+
+    let item = value;
+    if (typeof value === "function") {
+      const api = Object.assign(Object.create(context), makeAPI(cache));
+
+      try {
+        item = value(api, options, dirname);
+      } catch (e) {
+        if (alias) {
+          e.message += ` (While processing: ${JSON.stringify(alias)})`;
+        }
+        throw e;
+      }
+    }
+
+    if (!item || typeof item !== "object") {
+      throw new Error("Plugin/Preset did not return an object.");
+    }
+
+    if (typeof item.then === "function") {
+      throw new Error(
+        `You appear to be using an async plugin, ` +
+          `which your current version of Babel does not support.` +
+          `If you're using a published plugin, ` +
+          `you may need to upgrade your @babel/core version.`,
+      );
+    }
+
+    return { value: item, options, dirname, alias };
+  },
+);
+
+/**
+ * Instantiate a plugin for the given descriptor, returning the plugin/options pair.
+ */
+function loadPluginDescriptor(
+  descriptor: UnloadedDescriptor,
+  context: SimpleContext,
+): Plugin {
+  if (descriptor.value instanceof Plugin) {
+    if (descriptor.options) {
+      throw new Error(
+        "Passed options to an existing Plugin instance will not work.",
+      );
+    }
+
+    return descriptor.value;
+  }
+
+  return instantiatePlugin(loadDescriptor(descriptor, context), context);
+}
+
+const instantiatePlugin = makeWeakCache(
+  (
+    { value, options, dirname, alias }: LoadedDescriptor,
+    cache: CacheConfigurator<SimpleContext>,
+  ): Plugin => {
+    const pluginObj = validatePluginObject(value);
+
+    const plugin = Object.assign({}, pluginObj);
+    if (plugin.visitor) {
+      plugin.visitor = traverse.explode(Object.assign({}, plugin.visitor));
+    }
+
+    if (plugin.inherits) {
+      const inheritsDescriptor = {
+        name: undefined,
+        alias: `${alias}$inherits`,
+        value: plugin.inherits,
+        options,
+        dirname,
+      };
+
+      // If the inherited plugin changes, reinstantiate this plugin.
+      const inherits = cache.invalidate(data =>
+        loadPluginDescriptor(inheritsDescriptor, data),
+      );
+
+      plugin.pre = chain(inherits.pre, plugin.pre);
+      plugin.post = chain(inherits.post, plugin.post);
+      plugin.manipulateOptions = chain(
+        inherits.manipulateOptions,
+        plugin.manipulateOptions,
+      );
+      plugin.visitor = traverse.visitors.merge([
+        inherits.visitor || {},
+        plugin.visitor || {},
+      ]);
+    }
+
+    return new Plugin(plugin, options, alias);
+  },
+);
+
+/**
+ * Generate a config object that will act as the root of a new nested config.
+ */
+const loadPresetDescriptor = (
+  descriptor: UnloadedDescriptor,
+  context: ConfigContext,
+): ConfigChain | null => {
+  return buildPresetChain(
+    instantiatePreset(loadDescriptor(descriptor, context)),
+    context,
+  );
+};
+
+const instantiatePreset = makeWeakCache(
+  ({ value, dirname, alias }: LoadedDescriptor): PresetInstance => {
+    return {
+      options: validate("preset", value),
+      alias,
+      dirname,
+    };
+  },
+);
+
+function chain(a, b) {
+  const fns = [a, b].filter(Boolean);
+  if (fns.length <= 1) return fns[0];
+
+  return function(...args) {
+    for (const fn of fns) {
+      fn.apply(this, args);
+    }
+  };
+}
diff --git a/packages/babel-core/src/config/index.js b/packages/babel-core/src/config/index.js
index 5ee1c048181a..734855c7bb24 100644
--- a/packages/babel-core/src/config/index.js
+++ b/packages/babel-core/src/config/index.js
@@ -1,329 +1,26 @@
 // @flow
 
-import path from "path";
-import * as context from "../index";
-import Plugin from "./plugin";
-import {
-  buildRootChain,
-  buildPresetChain,
-  type ConfigContext,
-  type ConfigChain,
-  type PresetInstance,
-} from "./config-chain";
-import type { UnloadedDescriptor } from "./config-descriptors";
-import traverse from "@babel/traverse";
-import { makeWeakCache, type CacheConfigurator } from "./caching";
-import { getEnv } from "./helpers/environment";
-import { validate, type ValidatedOptions } from "./validation/options";
-import { validatePluginObject } from "./validation/plugins";
-import makeAPI from "./helpers/config-api";
-
-type LoadedDescriptor = {
-  value: {},
-  options: {},
-  dirname: string,
-  alias: string,
-};
-
-export type { InputOptions } from "./validation/options";
-
-export type ResolvedConfig = {
-  options: Object,
-  passes: PluginPasses,
-};
-
-export type { Plugin };
-export type PluginPassList = Array<Plugin>;
-export type PluginPasses = Array<PluginPassList>;
-
-// Context not including filename since it is used in places that cannot
-// process 'ignore'/'only' and other filename-based logic.
-type SimpleContext = {
-  envName: string,
-};
-
-export default function loadConfig(inputOpts: mixed): ResolvedConfig | null {
-  if (
-    inputOpts != null &&
-    (typeof inputOpts !== "object" || Array.isArray(inputOpts))
-  ) {
-    throw new Error("Babel options must be an object, null, or undefined");
-  }
-
-  const args = inputOpts ? validate("arguments", inputOpts) : {};
-
-  const { envName = getEnv(), cwd = "." } = args;
-  const absoluteCwd = path.resolve(cwd);
-
-  const context: ConfigContext = {
-    filename: args.filename ? path.resolve(cwd, args.filename) : null,
-    cwd: absoluteCwd,
-    envName,
-  };
-
-  const configChain = buildRootChain(args, context);
-  if (!configChain) return null;
-
-  const optionDefaults = {};
-  const options = {};
-  const passes = [[]];
-  try {
-    const ignored = (function recurseDescriptors(
-      config: {
-        plugins: Array<UnloadedDescriptor>,
-        presets: Array<UnloadedDescriptor>,
-      },
-      pass: Array<Plugin>,
-    ) {
-      const plugins = config.plugins.map(descriptor =>
-        loadPluginDescriptor(descriptor, context),
-      );
-      const presets = config.presets.map(descriptor => {
-        return {
-          preset: loadPresetDescriptor(descriptor, context),
-          pass: descriptor.ownPass ? [] : pass,
-        };
-      });
-
-      // resolve presets
-      if (presets.length > 0) {
-        // The passes are created in the same order as the preset list, but are inserted before any
-        // existing additional passes.
-        passes.splice(
-          1,
-          0,
-          ...presets.map(o => o.pass).filter(p => p !== pass),
-        );
-
-        for (const { preset, pass } of presets) {
-          if (!preset) return true;
-
-          const ignored = recurseDescriptors(
-            {
-              plugins: preset.plugins,
-              presets: preset.presets,
-            },
-            pass,
-          );
-          if (ignored) return true;
-
-          preset.options.forEach(opts => {
-            mergeOptions(optionDefaults, opts);
-          });
-        }
-      }
-
-      // resolve plugins
-      if (plugins.length > 0) {
-        pass.unshift(...plugins);
-      }
-    })(
-      {
-        plugins: configChain.plugins,
-        presets: configChain.presets,
-      },
-      passes[0],
-    );
-
-    if (ignored) return null;
-
-    configChain.options.forEach(opts => {
-      mergeOptions(options, opts);
-    });
-  } catch (e) {
-    // There are a few case where thrown errors will try to annotate themselves multiple times, so
-    // to keep things simple we just bail out if re-wrapping the message.
-    if (!/^\[BABEL\]/.test(e.message)) {
-      e.message = `[BABEL] ${args.filename || "unknown"}: ${e.message}`;
-    }
-
-    throw e;
-  }
-
-  const opts: Object = optionDefaults;
-  mergeOptions(opts, options);
-
-  // Tack the passes onto the object itself so that, if this object is passed back to Babel a second time,
-  // it will be in the right structure to not change behavior.
-  opts.babelrc = false;
-  opts.plugins = passes[0];
-  opts.presets = passes
-    .slice(1)
-    .filter(plugins => plugins.length > 0)
-    .map(plugins => ({ plugins }));
-  opts.passPerPreset = opts.presets.length > 0;
-  opts.envName = envName;
-  opts.cwd = absoluteCwd;
-
-  return {
-    options: opts,
-    passes: passes,
-  };
-}
-
-function mergeOptions(
-  target: ValidatedOptions,
-  source: ValidatedOptions,
-): void {
-  for (const k of Object.keys(source)) {
-    if (k === "parserOpts" && source.parserOpts) {
-      const parserOpts = source.parserOpts;
-      const targetObj = (target.parserOpts = target.parserOpts || {});
-      mergeDefaultFields(targetObj, parserOpts);
-    } else if (k === "generatorOpts" && source.generatorOpts) {
-      const generatorOpts = source.generatorOpts;
-      const targetObj = (target.generatorOpts = target.generatorOpts || {});
-      mergeDefaultFields(targetObj, generatorOpts);
-    } else {
-      const val = source[k];
-      if (val !== undefined) target[k] = (val: any);
-    }
-  }
+import loadFullConfig from "./full";
+export type {
+  ResolvedConfig,
+  InputOptions,
+  PluginPasses,
+  Plugin,
+} from "./full";
+
+export { loadFullConfig as default };
+export { loadPartialConfig } from "./partial";
+export type { PartialConfig } from "./partial";
+
+export function loadOptions(opts: {}): Object | null {
+  const config = loadFullConfig(opts);
+
+  return config ? config.options : null;
 }
 
-function mergeDefaultFields<T: {}>(target: T, source: T) {
-  for (const k of Object.keys(source)) {
-    const val = source[k];
-    if (val !== undefined) target[k] = (val: any);
-  }
-}
-
-/**
- * Load a generic plugin/preset from the given descriptor loaded from the config object.
- */
-const loadDescriptor = makeWeakCache(
-  (
-    { value, options, dirname, alias }: UnloadedDescriptor,
-    cache: CacheConfigurator<SimpleContext>,
-  ): LoadedDescriptor => {
-    // Disabled presets should already have been filtered out
-    if (options === false) throw new Error("Assertion failure");
-
-    options = options || {};
-
-    let item = value;
-    if (typeof value === "function") {
-      const api = Object.assign(Object.create(context), makeAPI(cache));
-
-      try {
-        item = value(api, options, dirname);
-      } catch (e) {
-        if (alias) {
-          e.message += ` (While processing: ${JSON.stringify(alias)})`;
-        }
-        throw e;
-      }
-    }
-
-    if (!item || typeof item !== "object") {
-      throw new Error("Plugin/Preset did not return an object.");
-    }
-
-    if (typeof item.then === "function") {
-      throw new Error(
-        `You appear to be using an async plugin, ` +
-          `which your current version of Babel does not support.` +
-          `If you're using a published plugin, ` +
-          `you may need to upgrade your @babel/core version.`,
-      );
-    }
-
-    return { value: item, options, dirname, alias };
-  },
-);
-
-/**
- * Instantiate a plugin for the given descriptor, returning the plugin/options pair.
- */
-function loadPluginDescriptor(
-  descriptor: UnloadedDescriptor,
-  context: SimpleContext,
-): Plugin {
-  if (descriptor.value instanceof Plugin) {
-    if (descriptor.options) {
-      throw new Error(
-        "Passed options to an existing Plugin instance will not work.",
-      );
-    }
-
-    return descriptor.value;
+// For easier backward-compatibility, provide an API like the one we exposed in Babel 6.
+export class OptionManager {
+  init(opts: {}) {
+    return loadOptions(opts);
   }
-
-  return instantiatePlugin(loadDescriptor(descriptor, context), context);
-}
-
-const instantiatePlugin = makeWeakCache(
-  (
-    { value, options, dirname, alias }: LoadedDescriptor,
-    cache: CacheConfigurator<SimpleContext>,
-  ): Plugin => {
-    const pluginObj = validatePluginObject(value);
-
-    const plugin = Object.assign({}, pluginObj);
-    if (plugin.visitor) {
-      plugin.visitor = traverse.explode(Object.assign({}, plugin.visitor));
-    }
-
-    if (plugin.inherits) {
-      const inheritsDescriptor = {
-        name: undefined,
-        alias: `${alias}$inherits`,
-        value: plugin.inherits,
-        options,
-        dirname,
-      };
-
-      // If the inherited plugin changes, reinstantiate this plugin.
-      const inherits = cache.invalidate(data =>
-        loadPluginDescriptor(inheritsDescriptor, data),
-      );
-
-      plugin.pre = chain(inherits.pre, plugin.pre);
-      plugin.post = chain(inherits.post, plugin.post);
-      plugin.manipulateOptions = chain(
-        inherits.manipulateOptions,
-        plugin.manipulateOptions,
-      );
-      plugin.visitor = traverse.visitors.merge([
-        inherits.visitor || {},
-        plugin.visitor || {},
-      ]);
-    }
-
-    return new Plugin(plugin, options, alias);
-  },
-);
-
-/**
- * Generate a config object that will act as the root of a new nested config.
- */
-const loadPresetDescriptor = (
-  descriptor: UnloadedDescriptor,
-  context: ConfigContext,
-): ConfigChain | null => {
-  return buildPresetChain(
-    instantiatePreset(loadDescriptor(descriptor, context)),
-    context,
-  );
-};
-
-const instantiatePreset = makeWeakCache(
-  ({ value, dirname, alias }: LoadedDescriptor): PresetInstance => {
-    return {
-      options: validate("preset", value),
-      alias,
-      dirname,
-    };
-  },
-);
-
-function chain(a, b) {
-  const fns = [a, b].filter(Boolean);
-  if (fns.length <= 1) return fns[0];
-
-  return function(...args) {
-    for (const fn of fns) {
-      fn.apply(this, args);
-    }
-  };
 }
diff --git a/packages/babel-core/src/config/item.js b/packages/babel-core/src/config/item.js
new file mode 100644
index 000000000000..78fcc5092690
--- /dev/null
+++ b/packages/babel-core/src/config/item.js
@@ -0,0 +1,120 @@
+// @flow
+
+import path from "path";
+import {
+  createDescriptor,
+  type UnloadedDescriptor,
+} from "./config-descriptors";
+
+export function createItemFromDescriptor(desc: UnloadedDescriptor): ConfigItem {
+  return new ConfigItem(desc);
+}
+
+export function createConfigItem(
+  value: string | {} | Function,
+  options?: {} | void,
+  {
+    dirname = ".",
+    name,
+    type,
+  }: {
+    dirname?: string,
+    name?: string,
+    type?: "preset" | "plugin",
+  } = {},
+): ConfigItem {
+  const descriptor = createDescriptor(
+    [value, options, name],
+    path.resolve(dirname),
+    {
+      type,
+      alias: "programmatic item",
+    },
+  );
+
+  return createItemFromDescriptor(descriptor);
+}
+
+export function getItemDescriptor(item: mixed): UnloadedDescriptor | void {
+  if (item instanceof ConfigItem) {
+    return item._descriptor;
+  }
+
+  return undefined;
+}
+
+/**
+ * A public representation of a plugin/preset that will _eventually_ be load.
+ * Users can use this to interact with the results of a loaded Babel
+ * configuration.
+ */
+export class ConfigItem {
+  _descriptor: UnloadedDescriptor;
+
+  constructor(descriptor: UnloadedDescriptor) {
+    this._descriptor = descriptor;
+
+    // Make people less likely to stumble onto this if they are exploring
+    // programmatically.
+    enumerable(this, "_descriptor", false);
+  }
+
+  /**
+   * The resolved value of the item itself.
+   */
+  get value(): {} | Function {
+    return this._descriptor.value;
+  }
+
+  /**
+   * The options, if any, that were passed to the item.
+   * Mutating this will lead to undefined behavior. If you need
+   */
+  get options(): {} | void {
+    const options = this._descriptor.options;
+    if (options === false) {
+      throw new Error("Assertion failure - unexpected false options");
+    }
+
+    return options;
+  }
+
+  /**
+   * The directory that the options for this item are relative to.
+   */
+  get dirname(): string {
+    return this._descriptor.dirname;
+  }
+
+  /**
+   * Get the name of the plugin, if the user gave it one.
+   */
+  get name(): string | void {
+    return this._descriptor.name;
+  }
+
+  get file(): {
+    request: string,
+    resolved: string,
+  } | void {
+    const file = this._descriptor.file;
+    if (!file) return undefined;
+
+    return {
+      request: file.request,
+      resolved: file.resolved,
+    };
+  }
+}
+
+// Make these slightly easier for people to find if they are exploring the
+// API programmatically.
+enumerable(ConfigItem.prototype, "value", true);
+enumerable(ConfigItem.prototype, "options", true);
+enumerable(ConfigItem.prototype, "dirname", true);
+enumerable(ConfigItem.prototype, "name", true);
+enumerable(ConfigItem.prototype, "file", true);
+
+function enumerable(obj: {}, prop: string, enumerable: boolean) {
+  Object.defineProperty(obj, prop, { enumerable });
+}
diff --git a/packages/babel-core/src/config/partial.js b/packages/babel-core/src/config/partial.js
new file mode 100644
index 000000000000..877e92407539
--- /dev/null
+++ b/packages/babel-core/src/config/partial.js
@@ -0,0 +1,118 @@
+// @flow
+
+import path from "path";
+import Plugin from "./plugin";
+import { mergeOptions } from "./util";
+import { createItemFromDescriptor } from "./item";
+import { buildRootChain, type ConfigContext } from "./config-chain";
+import { getEnv } from "./helpers/environment";
+import { validate, type ValidatedOptions } from "./validation/options";
+
+import type { ConfigFile, IgnoreFile } from "./files";
+
+export default function loadPrivatePartialConfig(
+  inputOpts: mixed,
+): {
+  options: ValidatedOptions,
+  context: ConfigContext,
+  ignore: IgnoreFile | void,
+  babelrc: ConfigFile | void,
+} | null {
+  if (
+    inputOpts != null &&
+    (typeof inputOpts !== "object" || Array.isArray(inputOpts))
+  ) {
+    throw new Error("Babel options must be an object, null, or undefined");
+  }
+
+  const args = inputOpts ? validate("arguments", inputOpts) : {};
+
+  const { envName = getEnv(), cwd = "." } = args;
+  const absoluteCwd = path.resolve(cwd);
+
+  const context: ConfigContext = {
+    filename: args.filename ? path.resolve(cwd, args.filename) : null,
+    cwd: absoluteCwd,
+    envName,
+  };
+
+  const configChain = buildRootChain(args, context);
+  if (!configChain) return null;
+
+  const options = {};
+  configChain.options.forEach(opts => {
+    mergeOptions(options, opts);
+  });
+
+  // Tack the passes onto the object itself so that, if this object is
+  // passed back to Babel a second time, it will be in the right structure
+  // to not change behavior.
+  options.babelrc = false;
+  options.envName = envName;
+  options.cwd = absoluteCwd;
+  options.passPerPreset = false;
+
+  options.plugins = configChain.plugins.map(descriptor =>
+    createItemFromDescriptor(descriptor),
+  );
+  options.presets = configChain.presets.map(descriptor =>
+    createItemFromDescriptor(descriptor),
+  );
+
+  return {
+    options,
+    context,
+    ignore: configChain.ignore,
+    babelrc: configChain.babelrc,
+  };
+}
+
+export function loadPartialConfig(inputOpts: mixed): PartialConfig | null {
+  const result = loadPrivatePartialConfig(inputOpts);
+  if (!result) return null;
+
+  const { options, babelrc, ignore } = result;
+
+  (options.plugins || []).forEach(item => {
+    if (item.value instanceof Plugin) {
+      throw new Error(
+        "Passing cached plugin instances is not supported in " +
+          "babel.loadPartialConfig()",
+      );
+    }
+  });
+
+  return new PartialConfig(
+    options,
+    babelrc ? babelrc.filepath : undefined,
+    ignore ? ignore.filepath : undefined,
+  );
+}
+
+export type { PartialConfig };
+
+class PartialConfig {
+  _options: ValidatedOptions;
+  _babelrc: string | void;
+  _babelignore: string | void;
+
+  constructor(
+    options: ValidatedOptions,
+    babelrc: string | void,
+    ignore: string | void,
+  ) {
+    this._options = options;
+    this._babelignore = ignore;
+    this._babelrc = babelrc;
+  }
+
+  get babelignore(): string | void {
+    return this._babelignore;
+  }
+  get babelrc(): string | void {
+    return this._babelrc;
+  }
+  get options(): ValidatedOptions {
+    return this._options;
+  }
+}
diff --git a/packages/babel-core/src/config/util.js b/packages/babel-core/src/config/util.js
new file mode 100644
index 000000000000..f64975216db3
--- /dev/null
+++ b/packages/babel-core/src/config/util.js
@@ -0,0 +1,30 @@
+// @flow
+
+import type { ValidatedOptions } from "./validation/options";
+
+export function mergeOptions(
+  target: ValidatedOptions,
+  source: ValidatedOptions,
+): void {
+  for (const k of Object.keys(source)) {
+    if (k === "parserOpts" && source.parserOpts) {
+      const parserOpts = source.parserOpts;
+      const targetObj = (target.parserOpts = target.parserOpts || {});
+      mergeDefaultFields(targetObj, parserOpts);
+    } else if (k === "generatorOpts" && source.generatorOpts) {
+      const generatorOpts = source.generatorOpts;
+      const targetObj = (target.generatorOpts = target.generatorOpts || {});
+      mergeDefaultFields(targetObj, generatorOpts);
+    } else {
+      const val = source[k];
+      if (val !== undefined) target[k] = (val: any);
+    }
+  }
+}
+
+function mergeDefaultFields<T: {}>(target: T, source: T) {
+  for (const k of Object.keys(source)) {
+    const val = source[k];
+    if (val !== undefined) target[k] = (val: any);
+  }
+}
diff --git a/packages/babel-core/src/config/validation/options.js b/packages/babel-core/src/config/validation/options.js
index 96b51f73ef44..bd7a4ffe66d6 100644
--- a/packages/babel-core/src/config/validation/options.js
+++ b/packages/babel-core/src/config/validation/options.js
@@ -1,5 +1,8 @@
 // @flow
 
+import { ConfigItem } from "../item";
+import Plugin from "../plugin";
+
 import removed from "./removed";
 import {
   assertString,
@@ -214,10 +217,11 @@ export type IgnoreList = $ReadOnlyArray<IgnoreItem>;
 export type PluginOptions = {} | void | false;
 export type PluginTarget = string | {} | Function;
 export type PluginItem =
+  | ConfigItem
   | Plugin
   | PluginTarget
   | [PluginTarget, PluginOptions]
-  | [PluginTarget, PluginOptions, string];
+  | [PluginTarget, PluginOptions, string | void];
 export type PluginList = $ReadOnlyArray<PluginItem>;
 
 export type OverridesList = Array<ValidatedOptions>;
diff --git a/packages/babel-core/src/index.js b/packages/babel-core/src/index.js
index 7b30f15dbbd0..d6a3e80cac66 100644
--- a/packages/babel-core/src/index.js
+++ b/packages/babel-core/src/index.js
@@ -13,20 +13,9 @@ export * as types from "@babel/types";
 export { default as traverse } from "@babel/traverse";
 export { default as template } from "@babel/template";
 
-import loadConfig from "./config";
+export { loadPartialConfig, loadOptions, OptionManager } from "./config";
 
-export function loadOptions(opts: {}): Object | null {
-  const config = loadConfig(opts);
-
-  return config ? config.options : null;
-}
-
-// For easier backward-compatibility, provide an API like the one we exposed in Babel 6.
-export class OptionManager {
-  init(opts: {}) {
-    return loadOptions(opts);
-  }
-}
+export { createConfigItem } from "./config/item";
 
 export function Plugin(alias: string) {
   throw new Error(

From 74ab2798e2a68e6a081ea783ecb1e97d947e68af Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Wed, 7 Mar 2018 18:02:38 -0800
Subject: [PATCH 093/140] Tweaks around PR comments.

---
 packages/babel-core/README.md             |   5 +-
 packages/babel-core/src/config/item.js    | 124 ++++++++++++----------
 packages/babel-core/src/config/partial.js |  38 ++++---
 3 files changed, 93 insertions(+), 74 deletions(-)

diff --git a/packages/babel-core/README.md b/packages/babel-core/README.md
index 810f84238e84..c2e3fd3436cd 100644
--- a/packages/babel-core/README.md
+++ b/packages/babel-core/README.md
@@ -93,7 +93,7 @@ babel.transformFileSync("filename.js", options).code;
 ```
 
 
-## babel.transformFromAst(ast: Object, code?: string, [options?](#options): Object, callback: Function)
+## babel.transformFromAst(ast: Object, code?: string, [options?](#options): Object, callback: Function): FileNode | null
 
 Given an [AST](https://astexplorer.net/), transform it.
 
@@ -167,6 +167,7 @@ and pass it back to Babel again.
   * It can be safely passed back to Babel. Fields like `babelrc` have been set
     to false so that later calls to Babel will not make a second attempt to 
     load config files.
+* `hasFilesystemConfig(): boolean` - Check if the resolved config loaded any settings from the filesystem.
 
 [`ConfigItem`](#configitem-type) instances expose properties to introspect the values, but each
 item should be treated as immutable. If changes are desired, the item should be
@@ -175,7 +176,7 @@ with a replacement item created by `babel.createConfigItem`. See that
 function for information about `ConfigItem` fields.
 
 
-### babel.createConfigItem(value: string | {} | Function, options?: {}, { dirname?: string, name?: string, type?: "preset" | "plugin" }): ConfigItem
+### babel.createConfigItem(value: string | {} | Function | [string | {} | Function, {} | void], { dirname?: string, type?: "preset" | "plugin" }): ConfigItem
 
 Allows build tooling to create and cache config items up front. If this function
 is called multiple times for a given plugin, Babel will call the plugin's function itself
diff --git a/packages/babel-core/src/config/item.js b/packages/babel-core/src/config/item.js
index 78fcc5092690..ab9b51207ee9 100644
--- a/packages/babel-core/src/config/item.js
+++ b/packages/babel-core/src/config/item.js
@@ -1,5 +1,7 @@
 // @flow
 
+import type { PluginTarget, PluginOptions } from "./validation/options";
+
 import path from "path";
 import {
   createDescriptor,
@@ -10,27 +12,29 @@ export function createItemFromDescriptor(desc: UnloadedDescriptor): ConfigItem {
   return new ConfigItem(desc);
 }
 
+/**
+ * Create a config item using the same value format used in Babel's config
+ * files. Items returned from this function should be cached by the caller
+ * ideally, as recreating the config item will mean re-resolving the item
+ * and re-evaluating the plugin/preset function.
+ */
 export function createConfigItem(
-  value: string | {} | Function,
-  options?: {} | void,
+  value:
+    | PluginTarget
+    | [PluginTarget, PluginOptions]
+    | [PluginTarget, PluginOptions, string | void],
   {
     dirname = ".",
-    name,
     type,
   }: {
     dirname?: string,
-    name?: string,
     type?: "preset" | "plugin",
   } = {},
 ): ConfigItem {
-  const descriptor = createDescriptor(
-    [value, options, name],
-    path.resolve(dirname),
-    {
-      type,
-      alias: "programmatic item",
-    },
-  );
+  const descriptor = createDescriptor(value, path.resolve(dirname), {
+    type,
+    alias: "programmatic item",
+  });
 
   return createItemFromDescriptor(descriptor);
 }
@@ -43,78 +47,82 @@ export function getItemDescriptor(item: mixed): UnloadedDescriptor | void {
   return undefined;
 }
 
+export type { ConfigItem };
+
 /**
  * A public representation of a plugin/preset that will _eventually_ be load.
  * Users can use this to interact with the results of a loaded Babel
  * configuration.
+ *
+ * Any changes to public properties of this class should be considered a
+ * breaking change to Babel's API.
  */
-export class ConfigItem {
+class ConfigItem {
+  /**
+   * The private underlying descriptor that Babel actually cares about.
+   * If you access this, you are a bad person.
+   */
   _descriptor: UnloadedDescriptor;
 
-  constructor(descriptor: UnloadedDescriptor) {
-    this._descriptor = descriptor;
-
-    // Make people less likely to stumble onto this if they are exploring
-    // programmatically.
-    enumerable(this, "_descriptor", false);
-  }
-
   /**
    * The resolved value of the item itself.
    */
-  get value(): {} | Function {
-    return this._descriptor.value;
-  }
+  value: {} | Function;
 
   /**
    * The options, if any, that were passed to the item.
    * Mutating this will lead to undefined behavior. If you need
    */
-  get options(): {} | void {
-    const options = this._descriptor.options;
-    if (options === false) {
-      throw new Error("Assertion failure - unexpected false options");
-    }
-
-    return options;
-  }
+  options: {} | void;
 
   /**
    * The directory that the options for this item are relative to.
    */
-  get dirname(): string {
-    return this._descriptor.dirname;
-  }
+  dirname: string;
 
   /**
    * Get the name of the plugin, if the user gave it one.
    */
-  get name(): string | void {
-    return this._descriptor.name;
-  }
+  name: string | void;
 
-  get file(): {
+  /**
+   * Data about the file that the item was loaded from, if Babel knows it.
+   */
+  file: {
+    // The requested path, e.g. "@babel/env".
     request: string,
+
+    // The resolved absolute path of the file.
     resolved: string,
-  } | void {
-    const file = this._descriptor.file;
-    if (!file) return undefined;
-
-    return {
-      request: file.request,
-      resolved: file.resolved,
-    };
-  }
-}
+  } | void;
 
-// Make these slightly easier for people to find if they are exploring the
-// API programmatically.
-enumerable(ConfigItem.prototype, "value", true);
-enumerable(ConfigItem.prototype, "options", true);
-enumerable(ConfigItem.prototype, "dirname", true);
-enumerable(ConfigItem.prototype, "name", true);
-enumerable(ConfigItem.prototype, "file", true);
+  constructor(descriptor: UnloadedDescriptor) {
+    // Make people less likely to stumble onto this if they are exploring
+    // programmatically, and also make sure that if people happen to
+    // pass the item through JSON.stringify, it doesn't show up.
+    this._descriptor = descriptor;
+    Object.defineProperty(this, "_descriptor", ({ enumerable: false }: any));
+
+    if (this._descriptor.options === false) {
+      throw new Error("Assertion failure - unexpected false options");
+    }
 
-function enumerable(obj: {}, prop: string, enumerable: boolean) {
-  Object.defineProperty(obj, prop, { enumerable });
+    this.value = this._descriptor.value;
+    this.options = this._descriptor.options;
+    this.dirname = this._descriptor.dirname;
+    this.name = this._descriptor.name;
+    this.file = this._descriptor.file
+      ? {
+          request: this._descriptor.file.request,
+          resolved: this._descriptor.file.resolved,
+        }
+      : undefined;
+
+    // Freeze the object to make it clear that people shouldn't expect mutating
+    // this object to do anything. A new item should be created if they want
+    // to change something.
+    Object.freeze(this);
+  }
 }
+
+Object.freeze(ConfigItem.prototype);
diff --git a/packages/babel-core/src/config/partial.js b/packages/babel-core/src/config/partial.js
index 877e92407539..83d0d08086b6 100644
--- a/packages/babel-core/src/config/partial.js
+++ b/packages/babel-core/src/config/partial.js
@@ -92,27 +92,37 @@ export function loadPartialConfig(inputOpts: mixed): PartialConfig | null {
 export type { PartialConfig };
 
 class PartialConfig {
-  _options: ValidatedOptions;
-  _babelrc: string | void;
-  _babelignore: string | void;
+  /**
+   * These properties are public, so any changes to them should be considered
+   * a breaking change to Babel's API.
+   */
+  options: ValidatedOptions;
+  babelrc: string | void;
+  babelignore: string | void;
 
   constructor(
     options: ValidatedOptions,
     babelrc: string | void,
     ignore: string | void,
   ) {
-    this._options = options;
-    this._babelignore = ignore;
-    this._babelrc = babelrc;
-  }
+    this.options = options;
+    this.babelignore = ignore;
+    this.babelrc = babelrc;
 
-  get babelignore(): string | void {
-    return this._babelignore;
-  }
-  get babelrc(): string | void {
-    return this._babelrc;
+    // Freeze since this is a public API and it should be extremely obvious that
+    // reassigning properties on here does nothing.
+    Object.freeze(this);
   }
-  get options(): ValidatedOptions {
-    return this._options;
+
+  /**
+   * Returns true if their is a config file in the filesystem for this config.
+   *
+   * While this only means .babelrc(.mjs)?/package.json#babel right now, it
+   * may well expand in the future, so using this is recommended vs checking
+   * this.babelrc directly.
+   */
+  hasFilesystemConfig(): boolean {
+    return this.babelrc !== undefined;
   }
 }
+Object.freeze(PartialConfig.prototype);

From 2a0071028de341b5a194010cfc55cad1ff7829b0 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Thu, 8 Mar 2018 09:08:43 -0600
Subject: [PATCH 094/140] Add Number.parseFloat/parseInt mappins for preset-env
 'usage' (#7421)

---
 .../babel-preset-env/src/built-in-definitions.js   |  2 ++
 .../number-ie11/input.js                           |  2 ++
 .../number-ie11/options.json                       | 14 ++++++++++++++
 .../number-ie11/output.js                          |  4 ++++
 4 files changed, 22 insertions(+)
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/output.js

diff --git a/packages/babel-preset-env/src/built-in-definitions.js b/packages/babel-preset-env/src/built-in-definitions.js
index ec1d73756b1a..49c92f33c037 100644
--- a/packages/babel-preset-env/src/built-in-definitions.js
+++ b/packages/babel-preset-env/src/built-in-definitions.js
@@ -109,6 +109,8 @@ export const definitions = {
       isInteger: "es6.number.is-integer",
       isSafeInteger: "es6.number.is-safe-integer",
       isNaN: "es6.number.is-nan",
+      parseFloat: "es6.number.parse-float",
+      parseInt: "es6.number.parse-int",
       EPSILON: "es6.number.epsilon",
       MIN_SAFE_INTEGER: "es6.number.min-safe-integer",
       MAX_SAFE_INTEGER: "es6.number.max-safe-integer",
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/input.js
new file mode 100644
index 000000000000..f71c85f35e63
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/input.js
@@ -0,0 +1,2 @@
+Number.parseFloat("3.14");
+Number.parseInt("10");
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/options.json
new file mode 100644
index 000000000000..a7327659bd85
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/options.json
@@ -0,0 +1,14 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "ie": "11"
+        },
+        "useBuiltIns": "usage",
+        "modules": false
+      }
+    ]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/output.js
new file mode 100644
index 000000000000..315a46476ddf
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/output.js
@@ -0,0 +1,4 @@
+import "core-js/modules/es6.number.parse-int";
+import "core-js/modules/es6.number.parse-float";
+Number.parseFloat("3.14");
+Number.parseInt("10");

From f97d4313c97341b1be6801dbd481dae23127b5a4 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Thu, 8 Mar 2018 09:10:00 -0600
Subject: [PATCH 095/140] Update test262 test script and a few keyword escape
 fixes (#7503)

* Update test262 and whitelist

* Use test262-stream

* Check escapes in contextual keywords

* Check escapes when parsing new.target

* Check escapes for getters/setters

* Check escapes for static class methods

* Check escapes on async arrow and functions
---
 Makefile                                      |    2 +-
 package.json                                  |    1 +
 packages/babylon/src/parser/expression.js     |   22 +-
 packages/babylon/src/parser/statement.js      |    8 +-
 packages/babylon/src/parser/util.js           |    8 +-
 scripts/tests/test262/run_babylon_test262.js  |    2 +-
 .../test262/run_babylon_test262_utils.js      |  126 +-
 scripts/tests/test262/test262_whitelist.txt   | 3356 ++++++++++-------
 yarn.lock                                     |   29 +-
 9 files changed, 2152 insertions(+), 1402 deletions(-)

diff --git a/Makefile b/Makefile
index 4aefcff3fc7a..e4e6d07158ac 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 MAKEFLAGS = -j1
 FLOW_COMMIT = 622bbc4f07acb77eb1109830c70815f827401d90
-TEST262_COMMIT = 1282e842febf418ca27df13fa4b32f7e5021b470
+TEST262_COMMIT = 52f70e2f637731aae92a9c9a2d831310c3ab2e1e
 
 export NODE_ENV = test
 
diff --git a/package.json b/package.json
index 4d400ea8c36e..402e675873fc 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,7 @@
     "rollup-plugin-babel": "^4.0.0-beta.0",
     "rollup-plugin-node-resolve": "^3.0.2",
     "rollup-stream": "^1.24.1",
+    "test262-stream": "^1.1.0",
     "through2": "^2.0.0",
     "uglify-js": "^2.4.16",
     "vinyl-buffer": "^1.0.1",
diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 9785d854b7ac..04c4bc8db720 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -572,6 +572,7 @@ export default class ExpressionParser extends LValParser {
 
   atPossibleAsync(base: N.Expression): boolean {
     return (
+      !this.state.containsEsc &&
       this.state.potentialArrowAt === base.start &&
       base.type === "Identifier" &&
       base.name === "async" &&
@@ -739,6 +740,7 @@ export default class ExpressionParser extends LValParser {
       case tt.name: {
         node = this.startNode();
         const allowAwait = this.state.value === "await" && this.state.inAsync;
+        const containsEsc = this.state.containsEsc;
         const allowYield = this.shouldAllowYieldIdentifier();
         const id = this.parseIdentifier(allowAwait || allowYield);
 
@@ -747,6 +749,7 @@ export default class ExpressionParser extends LValParser {
             return this.parseAwait(node);
           }
         } else if (
+          !containsEsc &&
           id.name === "async" &&
           this.match(tt._function) &&
           !this.canInsertSemicolon()
@@ -915,9 +918,11 @@ export default class ExpressionParser extends LValParser {
       }
     }
 
+    const containsEsc = this.state.containsEsc;
+
     node.property = this.parseIdentifier(true);
 
-    if (node.property.name !== propertyName) {
+    if (node.property.name !== propertyName || containsEsc) {
       this.raise(
         node.property.start,
         `The only valid meta property for ${meta.name} is ${
@@ -1304,6 +1309,8 @@ export default class ExpressionParser extends LValParser {
         isGenerator = this.eat(tt.star);
       }
 
+      const containsEsc = this.state.containsEsc;
+
       if (!isPattern && this.isContextual("async")) {
         if (isGenerator) this.unexpected();
 
@@ -1338,6 +1345,7 @@ export default class ExpressionParser extends LValParser {
         isAsync,
         isPattern,
         refShorthandDefaultPos,
+        containsEsc,
       );
       this.checkPropClash(prop, propHash);
 
@@ -1408,6 +1416,7 @@ export default class ExpressionParser extends LValParser {
     isGenerator: boolean,
     isAsync: boolean,
     isPattern: boolean,
+    containsEsc: boolean,
   ): ?N.ObjectMethod {
     if (isAsync || isGenerator || this.match(tt.parenL)) {
       if (isPattern) this.unexpected();
@@ -1422,7 +1431,7 @@ export default class ExpressionParser extends LValParser {
       );
     }
 
-    if (this.isGetterOrSetterMethod(prop, isPattern)) {
+    if (!containsEsc && this.isGetterOrSetterMethod(prop, isPattern)) {
       if (isGenerator || isAsync) this.unexpected();
       prop.kind = prop.key.name;
       this.parsePropertyName(prop);
@@ -1490,9 +1499,16 @@ export default class ExpressionParser extends LValParser {
     isAsync: boolean,
     isPattern: boolean,
     refShorthandDefaultPos: ?Pos,
+    containsEsc: boolean,
   ): void {
     const node =
-      this.parseObjectMethod(prop, isGenerator, isAsync, isPattern) ||
+      this.parseObjectMethod(
+        prop,
+        isGenerator,
+        isAsync,
+        isPattern,
+        containsEsc,
+      ) ||
       this.parseObjectProperty(
         prop,
         startPos,
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index f8c102a37a8b..a014806c5189 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -155,7 +155,7 @@ export default class StatementParser extends ExpressionParser {
         return result;
       }
       case tt.name:
-        if (this.state.value === "async") {
+        if (this.isContextual("async")) {
           // peek ahead and see if next token is a function
           const state = this.state.clone();
           this.next();
@@ -970,8 +970,11 @@ export default class StatementParser extends ExpressionParser {
     state: { hadConstructor: boolean },
   ): void {
     let isStatic = false;
+    const containsEsc = this.state.containsEsc;
+
     if (this.match(tt.name) && this.state.value === "static") {
       const key = this.parseIdentifier(true); // eats 'static'
+
       if (this.isClassMethod()) {
         const method: N.ClassMethod = (member: any);
 
@@ -997,7 +1000,10 @@ export default class StatementParser extends ExpressionParser {
         prop.static = false;
         classBody.body.push(this.parseClassProperty(prop));
         return;
+      } else if (containsEsc) {
+        throw this.unexpected();
       }
+
       // otherwise something static
       isStatic = true;
     }
diff --git a/packages/babylon/src/parser/util.js b/packages/babylon/src/parser/util.js
index dd5a14a16790..7871141ca7a0 100644
--- a/packages/babylon/src/parser/util.js
+++ b/packages/babylon/src/parser/util.js
@@ -46,7 +46,11 @@ export default class UtilParser extends Tokenizer {
   // Tests whether parsed token is a contextual keyword.
 
   isContextual(name: string): boolean {
-    return this.match(tt.name) && this.state.value === name;
+    return (
+      this.match(tt.name) &&
+      this.state.value === name &&
+      !this.state.containsEsc
+    );
   }
 
   isLookaheadContextual(name: string): boolean {
@@ -57,7 +61,7 @@ export default class UtilParser extends Tokenizer {
   // Consumes contextual keyword if possible.
 
   eatContextual(name: string): boolean {
-    return this.state.value === name && this.eat(tt.name);
+    return this.isContextual(name) && this.eat(tt.name);
   }
 
   // Asserts that following token is given contextual keyword.
diff --git a/scripts/tests/test262/run_babylon_test262.js b/scripts/tests/test262/run_babylon_test262.js
index 45f88d5916f7..9f4bd96bd634 100644
--- a/scripts/tests/test262/run_babylon_test262.js
+++ b/scripts/tests/test262/run_babylon_test262.js
@@ -4,7 +4,7 @@ const path = require("path");
 const chalk = require("chalk");
 const utils = require("./run_babylon_test262_utils");
 
-const testDir = path.join(__dirname, "../../../build/test262/test");
+const testDir = path.join(__dirname, "../../../build/test262");
 const whitelistFile = path.join(__dirname, "test262_whitelist.txt");
 const plugins = ["asyncGenerators", "objectRestSpread", "optionalCatchBinding"];
 const shouldUpdate = process.argv.indexOf("--update-whitelist") > -1;
diff --git a/scripts/tests/test262/run_babylon_test262_utils.js b/scripts/tests/test262/run_babylon_test262_utils.js
index e34aaa82d1ad..2b7bbe35b1dc 100644
--- a/scripts/tests/test262/run_babylon_test262_utils.js
+++ b/scripts/tests/test262/run_babylon_test262_utils.js
@@ -1,8 +1,8 @@
 "use strict";
 
 const fs = require("graceful-fs");
-const path = require("path");
 const promisify = require("util").promisify;
+const TestStream = require("test262-stream");
 const pfs = {
   readFile: promisify(fs.readFile),
   writeFile: promisify(fs.writeFile),
@@ -12,115 +12,35 @@ const pfs = {
 
 const parse = require("../../../packages/babylon").parse;
 
-const modulePattern = /^\s*-\s*module\s*$|^\s*flags\s*:.*\bmodule\b/m;
-const noStrictPattern = /^\s*-\s*noStrict\s*$|^\s*flags\s*:.*\bnoStrict\b/m;
-const onlyStrictPattern = /^\s*-\s*onlyStrict\s*$|^\s*flags\s*:.*\bonlyStrict\b/m;
-const rawPattern = /^\s*-\s*raw\s*$|^\s*flags\s*:.*\braw\b/m;
-const testNamePattern = /^(?!.*_FIXTURE).*\.[jJ][sS]$/;
-
-function flatten(array) {
-  const flattened = [];
-  array.forEach(function(element) {
-    if (Array.isArray(element)) {
-      flattened.push.apply(flattened, element);
-    } else {
-      flattened.push(element);
-    }
-  });
-  return flattened;
-}
-
-function hasEarlyError(src) {
-  return !!(
-    src.match(/^\s*negative:\s*$/m) && src.match(/^\s+phase:\s*early\s*$/m)
-  );
-}
-
-function readDirDeep(dirName) {
-  return pfs.readdir(dirName).then(function(contents) {
-    return Promise.all(
-      contents.map(function(name) {
-        return findTests(path.join(dirName, name));
-      })
-    ).then(flatten);
+exports.getTests = function(testDir) {
+  const stream = new TestStream(testDir, { omitRuntime: true });
+  const tests = [];
+
+  stream.on("data", test => {
+    // strip test/
+    const fileName = test.file.substr(5);
+
+    tests.push({
+      contents: test.contents,
+      fileName,
+      id: `${fileName}(${test.scenario})`,
+      sourceType: test.attrs.flags.module ? "module" : "script",
+      expectedError:
+        !!test.attrs.negative &&
+        (test.attrs.negative.phase === "parse" ||
+          test.attrs.negative.phase === "early"),
+    });
   });
-}
 
-function findTests(name) {
-  return pfs.stat(name).then(function(stat) {
-    if (stat.isDirectory()) {
-      return readDirDeep(name);
-    }
-
-    return name;
+  return new Promise((resolve, reject) => {
+    stream.on("end", () => resolve(tests));
+    stream.on("error", reject);
   });
-}
-
-function readTest(fileName, testDir) {
-  if (!testNamePattern.test(fileName)) {
-    return Promise.resolve([]);
-  }
-
-  return pfs.readFile(fileName, "utf-8").then(function(contents) {
-    return makeScenarios(path.relative(testDir, fileName), contents);
-  });
-}
-
-function makeScenarios(fileName, testContent) {
-  const scenarios = [];
-  const base = {
-    fileName: fileName,
-    isModule: modulePattern.test(testContent),
-    expectedError: hasEarlyError(testContent),
-  };
-  const isNoStrict = noStrictPattern.test(testContent);
-  const isOnlyStrict = onlyStrictPattern.test(testContent);
-  const isRaw = rawPattern.test(testContent);
-
-  if (!isOnlyStrict) {
-    scenarios.push(
-      Object.assign(
-        {
-          id: fileName + "(default)",
-          content: testContent,
-        },
-        base
-      )
-    );
-  }
-
-  if (!isNoStrict && !isRaw) {
-    scenarios.push(
-      Object.assign(
-        {
-          id: fileName + "(strict mode)",
-          content: "'use strict';\n" + testContent,
-        },
-        base
-      )
-    );
-  }
-
-  return scenarios;
-}
-
-exports.getTests = function(testDir) {
-  return findTests(testDir)
-    .then(function(testPaths) {
-      return Promise.all(
-        testPaths.map(function(path) {
-          return readTest(path, testDir);
-        })
-      );
-    })
-    .then(flatten);
 };
 
 exports.runTest = function(test, plugins) {
-  const sourceType = test.isModule ? "module" : "script";
-
   try {
-    parse(test.content, { sourceType: sourceType, plugins: plugins });
+    parse(test.contents, { sourceType: test.sourceType, plugins: plugins });
     test.actualError = false;
   } catch (err) {
     test.actualError = true;
diff --git a/scripts/tests/test262/test262_whitelist.txt b/scripts/tests/test262/test262_whitelist.txt
index e7e03f746b23..e10be4e105c9 100644
--- a/scripts/tests/test262/test262_whitelist.txt
+++ b/scripts/tests/test262/test262_whitelist.txt
@@ -1,1318 +1,297 @@
-# This file lists tests that are known to produce incorrect results when parsed
-# with Babylon:
-#
-# - Tests that are expected to parse successfully but for which Babylon reports
-#   a syntax error
-# - Tests that contain invalid syntax but for which Babylon reports no syntax
-#   error
-#
-# Entries should be removed incrementally as Babylon is improved.
-
-annexB/language/statements/for-in/bare-initializer.js(default)
-annexB/language/statements/for-in/bare-initializer.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/async-function-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/class-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/const-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/generator-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-let-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-var-declaration.js(default)
-language/block-scope/syntax/redeclaration/let-declaration-attempt-to-redeclare-with-var-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-async-function-declaration.js(default)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-class-declaration.js(default)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-class-declaration.js(strict mode)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-const-declaration.js(default)
-language/block-scope/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-const-declaration.js(strict mode)
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 built-ins/BigInt/asIntN/arithmetic.js(default)
 built-ins/BigInt/asIntN/arithmetic.js(strict mode)
+built-ins/BigInt/asIntN/bigint-tobigint-toprimitive.js(default)
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 built-ins/BigInt/asIntN/bigint-tobigint.js(default)
 built-ins/BigInt/asIntN/bigint-tobigint.js(strict mode)
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 built-ins/BigInt/asIntN/bits-toindex.js(default)
 built-ins/BigInt/asIntN/bits-toindex.js(strict mode)
 built-ins/BigInt/asIntN/order-of-steps.js(default)
 built-ins/BigInt/asIntN/order-of-steps.js(strict mode)
 built-ins/BigInt/asUintN/arithmetic.js(default)
 built-ins/BigInt/asUintN/arithmetic.js(strict mode)
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 built-ins/BigInt/asUintN/bigint-tobigint.js(default)
 built-ins/BigInt/asUintN/bigint-tobigint.js(strict mode)
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 built-ins/BigInt/asUintN/bits-toindex.js(default)
 built-ins/BigInt/asUintN/bits-toindex.js(strict mode)
 built-ins/BigInt/asUintN/order-of-steps.js(default)
 built-ins/BigInt/asUintN/order-of-steps.js(strict mode)
-built-ins/BigInt/new-target-throws.js(default)
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-built-ins/BigInt/parseInt/trailing-code-point.js(default)
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+built-ins/BigInt/constructor-from-binary-string.js(default)
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+built-ins/BigInt/constructor-from-decimal-string.js(default)
+built-ins/BigInt/constructor-from-decimal-string.js(strict mode)
+built-ins/BigInt/constructor-from-hex-string.js(default)
+built-ins/BigInt/constructor-from-hex-string.js(strict mode)
+built-ins/BigInt/constructor-from-octal-string.js(default)
+built-ins/BigInt/constructor-from-octal-string.js(strict mode)
+built-ins/BigInt/constructor-trailing-leading-spaces.js(default)
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+built-ins/BigInt/issafeinteger-true.js(default)
+built-ins/BigInt/issafeinteger-true.js(strict mode)
+built-ins/BigInt/prototype/Symbol.toStringTag.js(default)
+built-ins/BigInt/prototype/Symbol.toStringTag.js(strict mode)
 built-ins/BigInt/prototype/toString/radix-2-to-36.js(default)
 built-ins/BigInt/prototype/toString/radix-2-to-36.js(strict mode)
 built-ins/BigInt/prototype/toString/radix-err.js(default)
 built-ins/BigInt/prototype/toString/radix-err.js(strict mode)
+built-ins/BigInt/prototype/toString/string-is-code-units-of-decimal-digits-only.js(default)
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 built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js(default)
 built-ins/BigInt/prototype/toString/thisbigintvalue-not-valid-throws.js(strict mode)
 built-ins/BigInt/prototype/valueOf/return.js(default)
 built-ins/BigInt/prototype/valueOf/return.js(strict mode)
+built-ins/DataView/prototype/getBigInt64/return-value-clean-arraybuffer.js(default)
+built-ins/DataView/prototype/getBigInt64/return-value-clean-arraybuffer.js(strict mode)
+built-ins/DataView/prototype/getBigInt64/return-values-custom-offset.js(default)
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+built-ins/DataView/prototype/getBigInt64/return-values.js(default)
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+built-ins/DataView/prototype/setBigInt64/index-is-out-of-range.js(default)
+built-ins/DataView/prototype/setBigInt64/index-is-out-of-range.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/negative-byteoffset-throws.js(default)
+built-ins/DataView/prototype/setBigInt64/negative-byteoffset-throws.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/return-abrupt-from-tonumber-byteoffset-symbol.js(default)
+built-ins/DataView/prototype/setBigInt64/return-abrupt-from-tonumber-byteoffset-symbol.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/return-abrupt-from-tonumber-byteoffset.js(default)
+built-ins/DataView/prototype/setBigInt64/return-abrupt-from-tonumber-byteoffset.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/set-values-little-endian-order.js(default)
+built-ins/DataView/prototype/setBigInt64/set-values-little-endian-order.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/to-boolean-littleendian.js(default)
+built-ins/DataView/prototype/setBigInt64/to-boolean-littleendian.js(strict mode)
+built-ins/DataView/prototype/setBigInt64/toindex-byteoffset.js(default)
+built-ins/DataView/prototype/setBigInt64/toindex-byteoffset.js(strict mode)
+built-ins/Function/prototype/toString/intrinsics.js(strict mode)
 built-ins/JSON/stringify/bigint-order.js(default)
 built-ins/JSON/stringify/bigint-order.js(strict mode)
 built-ins/JSON/stringify/bigint-replacer.js(default)
@@ -1327,18 +306,901 @@ built-ins/Object/bigint.js(default)
 built-ins/Object/bigint.js(strict mode)
 built-ins/Object/setPrototypeOf/bigint.js(default)
 built-ins/Object/setPrototypeOf/bigint.js(strict mode)
+built-ins/String/prototype/indexOf/position-tointeger-bigint.js(default)
+built-ins/String/prototype/indexOf/position-tointeger-bigint.js(strict mode)
+built-ins/String/prototype/indexOf/searchstring-tostring-bigint.js(default)
+built-ins/String/prototype/indexOf/searchstring-tostring-bigint.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-end.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-end.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-start.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-start.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-target.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/coerced-values-target.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-end.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-end.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-end.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-end.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-start.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-start.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-target.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-out-of-bounds-target.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-target.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/negative-target.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-out-of-bounds-end.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-out-of-bounds-end.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-out-of-bounds-target-and-start.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-out-of-bounds-target-and-start.js(strict mode)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-target-and-start.js(default)
+built-ins/TypedArray/prototype/copyWithin/BigInt/non-negative-target-and-start.js(strict mode)
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+built-ins/TypedArray/prototype/every/BigInt/callbackfn-arguments-without-thisarg.js(strict mode)
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+built-ins/TypedArray/prototype/every/BigInt/callbackfn-no-interaction-over-non-integer.js(strict mode)
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+built-ins/TypedArray/prototype/every/BigInt/callbackfn-return-does-not-change-instance.js(strict mode)
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+built-ins/TypedArray/prototype/every/BigInt/values-are-not-cached.js(default)
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+built-ins/TypedArray/prototype/fill/BigInt/fill-values-conversion-once.js(default)
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+built-ins/TypedArray/prototype/fill/BigInt/fill-values-relative-start.js(default)
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+built-ins/TypedArray/prototype/filter/BigInt/callbackfn-arguments-without-thisarg.js(strict mode)
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+built-ins/TypedArray/prototype/filter/BigInt/callbackfn-no-iteration-over-non-integer.js(strict mode)
+built-ins/TypedArray/prototype/filter/BigInt/callbackfn-return-does-not-change-instance.js(default)
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+built-ins/TypedArray/prototype/filter/BigInt/result-does-not-share-buffer.js(default)
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+language/expressions/class/fields-same-line-async-method-private-names.js(strict mode)
+language/expressions/class/fields-same-line-async-method-string-literal-names.js(default)
+language/expressions/class/fields-same-line-async-method-string-literal-names.js(strict mode)
+language/expressions/class/fields-same-line-gen-computed-names.js(default)
+language/expressions/class/fields-same-line-gen-computed-names.js(strict mode)
+language/expressions/class/fields-same-line-gen-computed-symbol-names.js(default)
+language/expressions/class/fields-same-line-gen-computed-symbol-names.js(strict mode)
+language/expressions/class/fields-same-line-gen-literal-names.js(default)
+language/expressions/class/fields-same-line-gen-literal-names.js(strict mode)
+language/expressions/class/fields-same-line-gen-private-names.js(default)
+language/expressions/class/fields-same-line-gen-private-names.js(strict mode)
+language/expressions/class/fields-same-line-gen-string-literal-names.js(default)
+language/expressions/class/fields-same-line-gen-string-literal-names.js(strict mode)
+language/expressions/class/fields-same-line-method-computed-names.js(default)
+language/expressions/class/fields-same-line-method-computed-names.js(strict mode)
+language/expressions/class/fields-same-line-method-computed-symbol-names.js(default)
+language/expressions/class/fields-same-line-method-computed-symbol-names.js(strict mode)
+language/expressions/class/fields-same-line-method-literal-names.js(default)
+language/expressions/class/fields-same-line-method-literal-names.js(strict mode)
+language/expressions/class/fields-same-line-method-private-names.js(default)
+language/expressions/class/fields-same-line-method-private-names.js(strict mode)
+language/expressions/class/fields-same-line-method-string-literal-names.js(default)
+language/expressions/class/fields-same-line-method-string-literal-names.js(strict mode)
+language/expressions/class/fields-wrapped-in-sc-computed-names.js(default)
+language/expressions/class/fields-wrapped-in-sc-computed-names.js(strict mode)
+language/expressions/class/fields-wrapped-in-sc-computed-symbol-names.js(default)
+language/expressions/class/fields-wrapped-in-sc-computed-symbol-names.js(strict mode)
+language/expressions/class/fields-wrapped-in-sc-literal-names.js(default)
+language/expressions/class/fields-wrapped-in-sc-literal-names.js(strict mode)
+language/expressions/class/fields-wrapped-in-sc-private-names.js(default)
+language/expressions/class/fields-wrapped-in-sc-private-names.js(strict mode)
+language/expressions/class/fields-wrapped-in-sc-string-literal-names.js(default)
+language/expressions/class/fields-wrapped-in-sc-string-literal-names.js(strict mode)
+language/expressions/division/bigint-and-number.js(default)
+language/expressions/division/bigint-and-number.js(strict mode)
 language/expressions/division/bigint-arithmetic.js(default)
 language/expressions/division/bigint-arithmetic.js(strict mode)
 language/expressions/division/bigint-complex-infinity.js(default)
 language/expressions/division/bigint-complex-infinity.js(strict mode)
+language/expressions/division/bigint-errors.js(default)
+language/expressions/division/bigint-errors.js(strict mode)
+language/expressions/division/bigint-toprimitive.js(default)
+language/expressions/division/bigint-toprimitive.js(strict mode)
+language/expressions/division/bigint-wrapped-values.js(default)
+language/expressions/division/bigint-wrapped-values.js(strict mode)
 language/expressions/does-not-equals/bigint-and-bigint.js(default)
 language/expressions/does-not-equals/bigint-and-bigint.js(strict mode)
 language/expressions/does-not-equals/bigint-and-boolean.js(default)
@@ -1371,10 +1233,18 @@ language/expressions/equals/bigint-and-object.js(default)
 language/expressions/equals/bigint-and-object.js(strict mode)
 language/expressions/equals/bigint-and-string.js(default)
 language/expressions/equals/bigint-and-string.js(strict mode)
+language/expressions/exponentiation/bigint-and-number.js(default)
+language/expressions/exponentiation/bigint-and-number.js(strict mode)
 language/expressions/exponentiation/bigint-arithmetic.js(default)
 language/expressions/exponentiation/bigint-arithmetic.js(strict mode)
+language/expressions/exponentiation/bigint-errors.js(default)
+language/expressions/exponentiation/bigint-errors.js(strict mode)
 language/expressions/exponentiation/bigint-exp-operator-negative-throws.js(default)
 language/expressions/exponentiation/bigint-exp-operator-negative-throws.js(strict mode)
+language/expressions/exponentiation/bigint-toprimitive.js(default)
+language/expressions/exponentiation/bigint-toprimitive.js(strict mode)
+language/expressions/exponentiation/bigint-wrapped-values.js(default)
+language/expressions/exponentiation/bigint-wrapped-values.js(strict mode)
 language/expressions/exponentiation/bigint-zero-base-zero-exponent.js(default)
 language/expressions/exponentiation/bigint-zero-base-zero-exponent.js(strict mode)
 language/expressions/greater-than/bigint-and-bigint.js(default)
@@ -1393,6 +1263,18 @@ language/expressions/greater-than-or-equal/bigint-and-number-extremes.js(default
 language/expressions/greater-than-or-equal/bigint-and-number-extremes.js(strict mode)
 language/expressions/greater-than-or-equal/bigint-and-number.js(default)
 language/expressions/greater-than-or-equal/bigint-and-number.js(strict mode)
+language/expressions/left-shift/bigint-and-number.js(default)
+language/expressions/left-shift/bigint-and-number.js(strict mode)
+language/expressions/left-shift/bigint-errors.js(default)
+language/expressions/left-shift/bigint-errors.js(strict mode)
+language/expressions/left-shift/bigint-non-primitive.js(default)
+language/expressions/left-shift/bigint-non-primitive.js(strict mode)
+language/expressions/left-shift/bigint-toprimitive.js(default)
+language/expressions/left-shift/bigint-toprimitive.js(strict mode)
+language/expressions/left-shift/bigint-wrapped-values.js(default)
+language/expressions/left-shift/bigint-wrapped-values.js(strict mode)
+language/expressions/left-shift/bigint.js(default)
+language/expressions/left-shift/bigint.js(strict mode)
 language/expressions/less-than/bigint-and-bigint.js(default)
 language/expressions/less-than/bigint-and-bigint.js(strict mode)
 language/expressions/less-than/bigint-and-non-finite.js(default)
@@ -1411,12 +1293,32 @@ language/expressions/less-than-or-equal/bigint-and-number.js(default)
 language/expressions/less-than-or-equal/bigint-and-number.js(strict mode)
 language/expressions/logical-not/bigint.js(default)
 language/expressions/logical-not/bigint.js(strict mode)
+language/expressions/modulus/bigint-and-number.js(default)
+language/expressions/modulus/bigint-and-number.js(strict mode)
 language/expressions/modulus/bigint-arithmetic.js(default)
 language/expressions/modulus/bigint-arithmetic.js(strict mode)
+language/expressions/modulus/bigint-errors.js(default)
+language/expressions/modulus/bigint-errors.js(strict mode)
 language/expressions/modulus/bigint-modulo-zero.js(default)
 language/expressions/modulus/bigint-modulo-zero.js(strict mode)
+language/expressions/modulus/bigint-toprimitive.js(default)
+language/expressions/modulus/bigint-toprimitive.js(strict mode)
+language/expressions/modulus/bigint-wrapped-values.js(default)
+language/expressions/modulus/bigint-wrapped-values.js(strict mode)
+language/expressions/multiplication/bigint-and-number.js(default)
+language/expressions/multiplication/bigint-and-number.js(strict mode)
 language/expressions/multiplication/bigint-arithmetic.js(default)
 language/expressions/multiplication/bigint-arithmetic.js(strict mode)
+language/expressions/multiplication/bigint-errors.js(default)
+language/expressions/multiplication/bigint-errors.js(strict mode)
+language/expressions/multiplication/bigint-toprimitive.js(default)
+language/expressions/multiplication/bigint-toprimitive.js(strict mode)
+language/expressions/multiplication/bigint-wrapped-values.js(default)
+language/expressions/multiplication/bigint-wrapped-values.js(strict mode)
+language/expressions/object/let-non-strict-access.js(default)
+language/expressions/object/let-non-strict-syntax.js(default)
+language/expressions/object/yield-non-strict-access.js(default)
+language/expressions/object/yield-non-strict-syntax.js(default)
 language/expressions/postfix-decrement/bigint.js(default)
 language/expressions/postfix-decrement/bigint.js(strict mode)
 language/expressions/postfix-increment/bigint.js(default)
@@ -1425,6 +1327,18 @@ language/expressions/prefix-decrement/bigint.js(default)
 language/expressions/prefix-decrement/bigint.js(strict mode)
 language/expressions/prefix-increment/bigint.js(default)
 language/expressions/prefix-increment/bigint.js(strict mode)
+language/expressions/right-shift/bigint-and-number.js(default)
+language/expressions/right-shift/bigint-and-number.js(strict mode)
+language/expressions/right-shift/bigint-errors.js(default)
+language/expressions/right-shift/bigint-errors.js(strict mode)
+language/expressions/right-shift/bigint-non-primitive.js(default)
+language/expressions/right-shift/bigint-non-primitive.js(strict mode)
+language/expressions/right-shift/bigint-toprimitive.js(default)
+language/expressions/right-shift/bigint-toprimitive.js(strict mode)
+language/expressions/right-shift/bigint-wrapped-values.js(default)
+language/expressions/right-shift/bigint-wrapped-values.js(strict mode)
+language/expressions/right-shift/bigint.js(default)
+language/expressions/right-shift/bigint.js(strict mode)
 language/expressions/strict-does-not-equals/bigint-and-bigint.js(default)
 language/expressions/strict-does-not-equals/bigint-and-bigint.js(strict mode)
 language/expressions/strict-does-not-equals/bigint-and-boolean.js(default)
@@ -1457,8 +1371,16 @@ language/expressions/strict-equals/bigint-and-object.js(default)
 language/expressions/strict-equals/bigint-and-object.js(strict mode)
 language/expressions/strict-equals/bigint-and-string.js(default)
 language/expressions/strict-equals/bigint-and-string.js(strict mode)
+language/expressions/subtraction/bigint-and-number.js(default)
+language/expressions/subtraction/bigint-and-number.js(strict mode)
 language/expressions/subtraction/bigint-arithmetic.js(default)
 language/expressions/subtraction/bigint-arithmetic.js(strict mode)
+language/expressions/subtraction/bigint-errors.js(default)
+language/expressions/subtraction/bigint-errors.js(strict mode)
+language/expressions/subtraction/bigint-toprimitive.js(default)
+language/expressions/subtraction/bigint-toprimitive.js(strict mode)
+language/expressions/subtraction/bigint-wrapped-values.js(default)
+language/expressions/subtraction/bigint-wrapped-values.js(strict mode)
 language/expressions/typeof/bigint.js(default)
 language/expressions/typeof/bigint.js(strict mode)
 language/expressions/unary-minus/bigint-non-primitive.js(default)
@@ -1467,4 +1389,858 @@ language/expressions/unary-minus/bigint.js(default)
 language/expressions/unary-minus/bigint.js(strict mode)
 language/expressions/unary-plus/bigint-throws.js(default)
 language/expressions/unary-plus/bigint-throws.js(strict mode)
+language/expressions/unsigned-right-shift/bigint-and-number.js(default)
+language/expressions/unsigned-right-shift/bigint-and-number.js(strict mode)
+language/expressions/unsigned-right-shift/bigint-errors.js(default)
+language/expressions/unsigned-right-shift/bigint-errors.js(strict mode)
+language/expressions/unsigned-right-shift/bigint-non-primitive.js(default)
+language/expressions/unsigned-right-shift/bigint-non-primitive.js(strict mode)
+language/expressions/unsigned-right-shift/bigint-toprimitive.js(default)
+language/expressions/unsigned-right-shift/bigint-toprimitive.js(strict mode)
+language/expressions/unsigned-right-shift/bigint-wrapped-values.js(default)
+language/expressions/unsigned-right-shift/bigint-wrapped-values.js(strict mode)
+language/expressions/unsigned-right-shift/bigint.js(default)
+language/expressions/unsigned-right-shift/bigint.js(strict mode)
+language/literals/numeric/numeric-separator-literal-bil-bd-nsl-bd.js(default)
+language/literals/numeric/numeric-separator-literal-bil-bd-nsl-bd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-bil-bd-nsl-bds.js(default)
+language/literals/numeric/numeric-separator-literal-bil-bd-nsl-bds.js(strict mode)
+language/literals/numeric/numeric-separator-literal-bil-bds-nsl-bd.js(default)
+language/literals/numeric/numeric-separator-literal-bil-bds-nsl-bd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-bil-bds-nsl-bds.js(default)
+language/literals/numeric/numeric-separator-literal-bil-bds-nsl-bds.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-minus-dd-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-minus-dd-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-minus-dds-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-minus-dds-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-plus-dd-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-plus-dd-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-plus-dds-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dd-dot-dd-ep-sign-plus-dds-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dd-nsl-dd-one-of.js(default)
+language/literals/numeric/numeric-separator-literal-dd-nsl-dd-one-of.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dds-dot-dd-nsl-dd-ep-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dds-dot-dd-nsl-dd-ep-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dds-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-dds-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dot-dd-nsl-dd-ep.js(default)
+language/literals/numeric/numeric-separator-literal-dot-dd-nsl-dd-ep.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dot-dd-nsl-dds-ep.js(default)
+language/literals/numeric/numeric-separator-literal-dot-dd-nsl-dds-ep.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dot-dds-nsl-dd-ep.js(default)
+language/literals/numeric/numeric-separator-literal-dot-dds-nsl-dd-ep.js(strict mode)
+language/literals/numeric/numeric-separator-literal-dot-dds-nsl-dds-ep.js(default)
+language/literals/numeric/numeric-separator-literal-dot-dds-nsl-dds-ep.js(strict mode)
+language/literals/numeric/numeric-separator-literal-hil-hd-nsl-hd.js(default)
+language/literals/numeric/numeric-separator-literal-hil-hd-nsl-hd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-hil-hd-nsl-hds.js(default)
+language/literals/numeric/numeric-separator-literal-hil-hd-nsl-hds.js(strict mode)
+language/literals/numeric/numeric-separator-literal-hil-hds-nsl-hd.js(default)
+language/literals/numeric/numeric-separator-literal-hil-hds-nsl-hd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-hil-hds-nsl-hds.js(default)
+language/literals/numeric/numeric-separator-literal-hil-hds-nsl-hds.js(strict mode)
+language/literals/numeric/numeric-separator-literal-hil-od-nsl-od-one-of.js(default)
+language/literals/numeric/numeric-separator-literal-hil-od-nsl-od-one-of.js(strict mode)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dd-one-of.js(default)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dd-one-of.js(strict mode)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dds.js(default)
+language/literals/numeric/numeric-separator-literal-nzd-nsl-dds.js(strict mode)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-od-one-of.js(default)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-od-one-of.js(strict mode)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-od.js(default)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-od.js(strict mode)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-ods.js(default)
+language/literals/numeric/numeric-separator-literal-oil-od-nsl-ods.js(strict mode)
+language/literals/numeric/numeric-separator-literal-oil-ods-nsl-od.js(default)
+language/literals/numeric/numeric-separator-literal-oil-ods-nsl-od.js(strict mode)
+language/literals/numeric/numeric-separator-literal-oil-ods-nsl-ods.js(default)
+language/literals/numeric/numeric-separator-literal-oil-ods-nsl-ods.js(strict mode)
+language/literals/numeric/numeric-separator-literal-sign-minus-dds-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-sign-minus-dds-nsl-dd.js(strict mode)
+language/literals/numeric/numeric-separator-literal-sign-plus-dds-nsl-dd.js(default)
+language/literals/numeric/numeric-separator-literal-sign-plus-dds-nsl-dd.js(strict mode)
+language/module-code/privatename-valid-no-earlyerr.js(default)
+language/module-code/privatename-valid-no-earlyerr.js(strict mode)
+language/statements/class/classelementname-abrupt-completion.js(default)
+language/statements/class/classelementname-abrupt-completion.js(strict mode)
+language/statements/class/fielddefinition-initializer-abrupt-completion.js(default)
+language/statements/class/fielddefinition-initializer-abrupt-completion.js(strict mode)
+language/statements/class/fields-after-same-line-gen-computed-names.js(default)
+language/statements/class/fields-after-same-line-gen-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-gen-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-gen-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-gen-literal-names.js(default)
+language/statements/class/fields-after-same-line-gen-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-gen-private-names.js(default)
+language/statements/class/fields-after-same-line-gen-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-gen-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-gen-string-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-method-computed-names.js(default)
+language/statements/class/fields-after-same-line-method-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-method-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-method-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-method-literal-names.js(default)
+language/statements/class/fields-after-same-line-method-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-method-private-names.js(default)
+language/statements/class/fields-after-same-line-method-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-method-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-method-string-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-gen-computed-names.js(default)
+language/statements/class/fields-after-same-line-static-async-gen-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-gen-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-static-async-gen-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-gen-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-async-gen-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-gen-private-names.js(default)
+language/statements/class/fields-after-same-line-static-async-gen-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-gen-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-async-gen-string-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-method-computed-names.js(default)
+language/statements/class/fields-after-same-line-static-async-method-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-method-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-static-async-method-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-method-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-async-method-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-method-private-names.js(default)
+language/statements/class/fields-after-same-line-static-async-method-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-async-method-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-async-method-string-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-gen-computed-names.js(default)
+language/statements/class/fields-after-same-line-static-gen-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-gen-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-static-gen-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-gen-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-gen-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-gen-private-names.js(default)
+language/statements/class/fields-after-same-line-static-gen-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-gen-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-gen-string-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-method-computed-names.js(default)
+language/statements/class/fields-after-same-line-static-method-computed-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-method-computed-symbol-names.js(default)
+language/statements/class/fields-after-same-line-static-method-computed-symbol-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-method-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-method-literal-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-method-private-names.js(default)
+language/statements/class/fields-after-same-line-static-method-private-names.js(strict mode)
+language/statements/class/fields-after-same-line-static-method-string-literal-names.js(default)
+language/statements/class/fields-after-same-line-static-method-string-literal-names.js(strict mode)
+language/statements/class/fields-asi-1.js(default)
+language/statements/class/fields-asi-1.js(strict mode)
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+language/statements/if/if-stmt-else-async-fun.js(default)
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+language/statements/switch/syntax/redeclaration/function-declaration-attempt-to-redeclare-with-async-function-declaration.js(strict mode)
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+language/statements/switch/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-function-declaration.js(strict mode)
+language/statements/switch/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-generator-declaration.js(default)
+language/statements/switch/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-generator-declaration.js(strict mode)
+language/statements/switch/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-let-declaration.js(default)
+language/statements/switch/syntax/redeclaration/var-declaration-attempt-to-redeclare-with-let-declaration.js(strict mode)
+language/statements/try/early-catch-lex.js(default)
+language/statements/try/early-catch-lex.js(strict mode)
+language/statements/try/early-catch-var.js(default)
+language/statements/try/early-catch-var.js(strict mode)
+language/statements/while/decl-async-fun.js(default)
+language/statements/while/decl-async-fun.js(strict mode)
+language/statements/while/decl-async-gen.js(default)
+language/statements/while/decl-async-gen.js(strict mode)
+language/statements/while/labelled-fn-stmt.js(default)
+language/statements/with/decl-async-fun.js(default)
+language/statements/with/decl-async-gen.js(default)
+language/statements/with/labelled-fn-stmt.js(default)
+language/white-space/mongolian-vowel-separator.js(default)
+language/white-space/mongolian-vowel-separator.js(strict mode)
diff --git a/yarn.lock b/yarn.lock
index 904acd83d95a..5cdb8f68d581 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3523,7 +3523,7 @@ graceful-fs@^3.0.0:
   dependencies:
     natives "^1.1.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -4663,6 +4663,13 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
+js-yaml@^3.2.1:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
@@ -4808,6 +4815,12 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
 
+klaw@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-2.1.1.tgz#42b76894701169cc910fd0d19ce677b5fb378af1"
+  dependencies:
+    graceful-fs "^4.1.9"
+
 labeled-stream-splicer@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz#a52e1d138024c00b86b1c0c91f677918b8ae0a59"
@@ -7261,6 +7274,20 @@ test-exclude@^4.1.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
+test262-parser@^2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/test262-parser/-/test262-parser-2.0.7.tgz#733b46bf7759e747eae34b5b14d6a3c8d2082add"
+  dependencies:
+    js-yaml "^3.2.1"
+    through "^2.3.4"
+
+test262-stream@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/test262-stream/-/test262-stream-1.1.0.tgz#18265217b8ca800d9ec432e37e6b8d192e12c6fd"
+  dependencies:
+    klaw "^2.1.0"
+    test262-parser "^2.0.7"
+
 text-extensions@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/text-extensions/-/text-extensions-1.7.0.tgz#faaaba2625ed746d568a23e4d0aacd9bf08a8b39"

From 828e9a8538c52ef01a850daeba0b3da3b3ad0913 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 8 Mar 2018 12:36:47 -0800
Subject: [PATCH 096/140] Skip minification of large bundles during CI builds.
 (#7528)

---
 scripts/gulp-tasks.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/scripts/gulp-tasks.js b/scripts/gulp-tasks.js
index 47ca24303397..972474f43364 100644
--- a/scripts/gulp-tasks.js
+++ b/scripts/gulp-tasks.js
@@ -131,10 +131,12 @@ function registerStandalonePackageTask(
           plugins,
         }),
         gulp.dest(standalonePath),
-        uglify(),
+      ].concat(
+        // Minification is super slow, so we skip it in CI.
+        process.env.CI ? [] : uglify(),
         rename({ extname: ".min.js" }),
-        gulp.dest(standalonePath),
-      ],
+        gulp.dest(standalonePath)
+      ),
       cb
     );
   });

From 24a07fc790555bbb783123baa348382e846c57ec Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Thu, 8 Mar 2018 22:15:54 +0100
Subject: [PATCH 097/140] Use jest workers on travis-ci and circleCI (#7510)

---
 scripts/test-cov.sh | 2 +-
 scripts/test.sh     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/test-cov.sh b/scripts/test-cov.sh
index 6555cbddc2b1..6914ef3fb0f9 100755
--- a/scripts/test-cov.sh
+++ b/scripts/test-cov.sh
@@ -4,7 +4,7 @@ set -e
 jestArgs="--coverage"
 
 if [ -n "$CI" ]; then
-  jestArgs="${jestArgs} --runInBand --ci"
+  jestArgs="${jestArgs} --maxWorkers=4 --ci"
 fi
 
 node_modules/.bin/jest $jestArgs
diff --git a/scripts/test.sh b/scripts/test.sh
index 6c2d7bda0608..04abbb17a3aa 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -14,7 +14,7 @@ if [ "$TEST_DEBUG" ]; then
 fi
 
 if [ -n "$CI" ]; then
-  jestArgs="${jestArgs} --runInBand --ci"
+  jestArgs="${jestArgs} --maxWorkers=4 --ci"
 fi
 
 $node node_modules/.bin/jest $jestArgs "$TEST_GREP"

From 4b6c7ac0f610cd70dab23a9831be44a625d8a70a Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 8 Mar 2018 13:48:32 -0800
Subject: [PATCH 098/140] Run build-no-bundle in the watcher to get right
 files. (#7530)

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e4e6d07158ac..94e80e1e2f15 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ watch: clean
 
 	# Ensure that build artifacts for types are created during local
 	# development too.
-	BABEL_ENV=development ./node_modules/.bin/gulp build
+	BABEL_ENV=development ./node_modules/.bin/gulp build-no-bundle
 	node ./packages/babel-types/scripts/generateTypeHelpers.js
 	node scripts/generators/flow.js > ./packages/babel-types/lib/index.js.flow
 	BABEL_ENV=development ./node_modules/.bin/gulp watch

From 7901e7d1b98974a71d3382f47a5e2aa17e536ac8 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 8 Mar 2018 16:02:28 -0800
Subject: [PATCH 099/140] Fix flowtype errors introduced in #7503. (#7531)

---
 packages/babylon/src/plugins/estree.js | 2 ++
 packages/babylon/src/plugins/flow.js   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/packages/babylon/src/plugins/estree.js b/packages/babylon/src/plugins/estree.js
index 091d4b35e82a..3da593f7d9f3 100644
--- a/packages/babylon/src/plugins/estree.js
+++ b/packages/babylon/src/plugins/estree.js
@@ -288,12 +288,14 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       isGenerator: boolean,
       isAsync: boolean,
       isPattern: boolean,
+      containsEsc: boolean,
     ): ?N.ObjectMethod {
       const node: N.EstreeProperty = (super.parseObjectMethod(
         prop,
         isGenerator,
         isAsync,
         isPattern,
+        containsEsc,
       ): any);
 
       if (node) {
diff --git a/packages/babylon/src/plugins/flow.js b/packages/babylon/src/plugins/flow.js
index 679d932fa536..c94cc8ba443d 100644
--- a/packages/babylon/src/plugins/flow.js
+++ b/packages/babylon/src/plugins/flow.js
@@ -1837,6 +1837,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       isAsync: boolean,
       isPattern: boolean,
       refShorthandDefaultPos: ?Pos,
+      containsEsc: boolean,
     ): void {
       if ((prop: $FlowFixMe).variance) {
         this.unexpected((prop: $FlowFixMe).variance.start);
@@ -1859,6 +1860,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
         isAsync,
         isPattern,
         refShorthandDefaultPos,
+        containsEsc,
       );
 
       // add typeParameters if we found them

From 4da3f3bc64841e0b4b7906c6c26af73920264095 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 8 Mar 2018 17:06:43 -0800
Subject: [PATCH 100/140] Update helpers from #7491. (#7532)

---
 .gitignore                                               | 4 ++++
 packages/babel-helpers/src/helpers.js                    | 2 +-
 .../babel-runtime/helpers/builtin/es6/iterableToArray.js | 3 +++
 packages/babel-runtime/helpers/builtin/es6/toArray.js    | 5 ++++-
 .../babel-runtime/helpers/builtin/iterableToArray.js     | 5 +++++
 packages/babel-runtime/helpers/builtin/toArray.js        | 8 +++++++-
 packages/babel-runtime/helpers/es6/iterableToArray.js    | 5 +++++
 packages/babel-runtime/helpers/es6/toArray.js            | 6 ++++--
 packages/babel-runtime/helpers/iterableToArray.js        | 9 +++++++++
 packages/babel-runtime/helpers/toArray.js                | 8 ++++++--
 10 files changed, 48 insertions(+), 7 deletions(-)
 create mode 100644 packages/babel-runtime/helpers/builtin/es6/iterableToArray.js
 create mode 100644 packages/babel-runtime/helpers/builtin/iterableToArray.js
 create mode 100644 packages/babel-runtime/helpers/es6/iterableToArray.js
 create mode 100644 packages/babel-runtime/helpers/iterableToArray.js

diff --git a/.gitignore b/.gitignore
index 34b621caa069..2d2ee52239f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,15 +16,19 @@ package-lock.json
 !/packages/babel-runtime/core-js/map.js
 /packages/babel-runtime/helpers/*.js
 !/packages/babel-runtime/helpers/toArray.js
+!/packages/babel-runtime/helpers/iterableToArray.js
 !/packages/babel-runtime/helpers/temporalRef.js
 /packages/babel-runtime/helpers/builtin/*.js
 !/packages/babel-runtime/helpers/builtin/toArray.js
+!/packages/babel-runtime/helpers/builtin/iterableToArray.js
 !/packages/babel-runtime/helpers/builtin/temporalRef.js
 /packages/babel-runtime/helpers/builtin/es6/*.js
 !/packages/babel-runtime/helpers/builtin/es6/toArray.js
+!/packages/babel-runtime/helpers/builtin/es6/iterableToArray.js
 !/packages/babel-runtime/helpers/builtin/es6/temporalRef.js
 /packages/babel-runtime/helpers/es6/*.js
 !/packages/babel-runtime/helpers/es6/toArray.js
+!/packages/babel-runtime/helpers/es6/iterableToArray.js
 !/packages/babel-runtime/helpers/es6/temporalRef.js
 /packages/babel-register/test/.babel
 /packages/babel-cli/test/tmp
diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 0c379940fb75..24531f015e58 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -686,7 +686,7 @@ helpers.toArray = () => template.program.ast`
   import iterableToArray from "iterableToArray";
   import nonIterableRest from "nonIterableRest";
 
-  export default function _toConsumableArray(arr) {
+  export default function _toArray(arr) {
     return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
   }
 `;
diff --git a/packages/babel-runtime/helpers/builtin/es6/iterableToArray.js b/packages/babel-runtime/helpers/builtin/es6/iterableToArray.js
new file mode 100644
index 000000000000..671e400d9166
--- /dev/null
+++ b/packages/babel-runtime/helpers/builtin/es6/iterableToArray.js
@@ -0,0 +1,3 @@
+export default function _iterableToArray(iter) {
+  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+}
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/builtin/es6/toArray.js b/packages/babel-runtime/helpers/builtin/es6/toArray.js
index 5443502a9869..5acb22b388ad 100644
--- a/packages/babel-runtime/helpers/builtin/es6/toArray.js
+++ b/packages/babel-runtime/helpers/builtin/es6/toArray.js
@@ -1,3 +1,6 @@
+import arrayWithHoles from "./arrayWithHoles";
+import iterableToArray from "./iterableToArray";
+import nonIterableRest from "./nonIterableRest";
 export default function _toArray(arr) {
-  return Array.isArray(arr) ? arr : Array.from(arr);
+  return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
 }
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/builtin/iterableToArray.js b/packages/babel-runtime/helpers/builtin/iterableToArray.js
new file mode 100644
index 000000000000..e917e57937bf
--- /dev/null
+++ b/packages/babel-runtime/helpers/builtin/iterableToArray.js
@@ -0,0 +1,5 @@
+function _iterableToArray(iter) {
+  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+}
+
+module.exports = _iterableToArray;
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/builtin/toArray.js b/packages/babel-runtime/helpers/builtin/toArray.js
index 97107ebfeb31..c28fd9e46ef9 100644
--- a/packages/babel-runtime/helpers/builtin/toArray.js
+++ b/packages/babel-runtime/helpers/builtin/toArray.js
@@ -1,5 +1,11 @@
+var arrayWithHoles = require("./arrayWithHoles");
+
+var iterableToArray = require("./iterableToArray");
+
+var nonIterableRest = require("./nonIterableRest");
+
 function _toArray(arr) {
-  return Array.isArray(arr) ? arr : Array.from(arr);
+  return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
 }
 
 module.exports = _toArray;
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/es6/iterableToArray.js b/packages/babel-runtime/helpers/es6/iterableToArray.js
new file mode 100644
index 000000000000..9f20ecdbd956
--- /dev/null
+++ b/packages/babel-runtime/helpers/es6/iterableToArray.js
@@ -0,0 +1,5 @@
+import _Array$from from "../../core-js/array/from";
+import _isIterable from "../../core-js/is-iterable";
+export default function _iterableToArray(iter) {
+  if (_isIterable(Object(iter)) || Object.prototype.toString.call(iter) === "[object Arguments]") return _Array$from(iter);
+}
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/es6/toArray.js b/packages/babel-runtime/helpers/es6/toArray.js
index e14a0feb30d9..5acb22b388ad 100644
--- a/packages/babel-runtime/helpers/es6/toArray.js
+++ b/packages/babel-runtime/helpers/es6/toArray.js
@@ -1,4 +1,6 @@
-import _Array$from from "../../core-js/array/from";
+import arrayWithHoles from "./arrayWithHoles";
+import iterableToArray from "./iterableToArray";
+import nonIterableRest from "./nonIterableRest";
 export default function _toArray(arr) {
-  return Array.isArray(arr) ? arr : _Array$from(arr);
+  return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
 }
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/iterableToArray.js b/packages/babel-runtime/helpers/iterableToArray.js
new file mode 100644
index 000000000000..c7834a312257
--- /dev/null
+++ b/packages/babel-runtime/helpers/iterableToArray.js
@@ -0,0 +1,9 @@
+var _Array$from = require("../core-js/array/from");
+
+var _isIterable = require("../core-js/is-iterable");
+
+function _iterableToArray(iter) {
+  if (_isIterable(Object(iter)) || Object.prototype.toString.call(iter) === "[object Arguments]") return _Array$from(iter);
+}
+
+module.exports = _iterableToArray;
\ No newline at end of file
diff --git a/packages/babel-runtime/helpers/toArray.js b/packages/babel-runtime/helpers/toArray.js
index 6709feb464ed..c28fd9e46ef9 100644
--- a/packages/babel-runtime/helpers/toArray.js
+++ b/packages/babel-runtime/helpers/toArray.js
@@ -1,7 +1,11 @@
-var _Array$from = require("../core-js/array/from");
+var arrayWithHoles = require("./arrayWithHoles");
+
+var iterableToArray = require("./iterableToArray");
+
+var nonIterableRest = require("./nonIterableRest");
 
 function _toArray(arr) {
-  return Array.isArray(arr) ? arr : _Array$from(arr);
+  return arrayWithHoles(arr) || iterableToArray(arr) || nonIterableRest();
 }
 
 module.exports = _toArray;
\ No newline at end of file

From 4f4dd3d4a6f9ff36bcb8f9d6b5e891a5db0339c8 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Fri, 9 Mar 2018 02:39:25 -0600
Subject: [PATCH 101/140] Assign another temp var when parsing assignment
 patterns in destructuring (#7333)

---
 .../src/index.js                              | 45 +++++++++----------
 .../test/fixtures/destructuring/const/exec.js |  5 +++
 .../fixtures/destructuring/const/input.js     |  1 +
 .../fixtures/destructuring/const/options.json |  3 ++
 .../fixtures/destructuring/const/output.js    |  5 +++
 5 files changed, 35 insertions(+), 24 deletions(-)
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/exec.js
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/input.js
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/options.json
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/output.js

diff --git a/packages/babel-plugin-transform-destructuring/src/index.js b/packages/babel-plugin-transform-destructuring/src/index.js
index 34cd6ef7a9c4..88057b7ad0bc 100644
--- a/packages/babel-plugin-transform-destructuring/src/index.js
+++ b/packages/babel-plugin-transform-destructuring/src/index.js
@@ -111,43 +111,40 @@ export default declare((api, options) => {
       }
     }
 
-    pushAssignmentPattern(pattern, valueRef) {
+    pushAssignmentPattern({ left, right }, valueRef) {
       // we need to assign the current value of the assignment to avoid evaluating
       // it more than once
+      const tempId = this.scope.generateUidIdentifierBasedOnNode(valueRef);
 
-      const tempValueRef = this.scope.generateUidBasedOnNode(valueRef);
-
-      const declar = t.variableDeclaration("var", [
-        t.variableDeclarator(t.identifier(tempValueRef), valueRef),
-      ]);
-      declar._blockHoist = this.blockHoist;
-      this.nodes.push(declar);
-
-      //
+      this.nodes.push(this.buildVariableDeclaration(tempId, valueRef));
 
       const tempConditional = t.conditionalExpression(
         t.binaryExpression(
           "===",
-          t.identifier(tempValueRef),
+          t.cloneNode(tempId),
           this.scope.buildUndefinedNode(),
         ),
-        pattern.right,
-        t.identifier(tempValueRef),
+        right,
+        t.cloneNode(tempId),
       );
 
-      const left = pattern.left;
       if (t.isPattern(left)) {
-        const tempValueDefault = t.expressionStatement(
-          t.assignmentExpression(
-            "=",
-            t.identifier(tempValueRef),
-            tempConditional,
-          ),
-        );
-        tempValueDefault._blockHoist = this.blockHoist;
+        let patternId;
+        let node;
+
+        if (this.kind === "const") {
+          patternId = this.scope.generateUidIdentifier(tempId.name);
+          node = this.buildVariableDeclaration(patternId, tempConditional);
+        } else {
+          patternId = tempId;
+
+          node = t.expressionStatement(
+            t.assignmentExpression("=", t.cloneNode(tempId), tempConditional),
+          );
+        }
 
-        this.nodes.push(tempValueDefault);
-        this.push(left, t.identifier(tempValueRef));
+        this.nodes.push(node);
+        this.push(left, patternId);
       } else {
         this.nodes.push(this.buildVariableAssignment(left, tempConditional));
       }
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/exec.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/exec.js
new file mode 100644
index 000000000000..e05920b47f65
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/exec.js
@@ -0,0 +1,5 @@
+const getState = () => ({});
+
+const { data: { courses: oldCourses = [] } = {} } = getState();
+
+assert.deepEqual(oldCourses, []);
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/input.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/input.js
new file mode 100644
index 000000000000..09e29d6f8b28
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/input.js
@@ -0,0 +1 @@
+const { data: { courses: oldCourses = [] } = {} } = getState();
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/options.json b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/options.json
new file mode 100644
index 000000000000..84e28c07f51e
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-destructuring"]
+}
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/output.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/output.js
new file mode 100644
index 000000000000..708ac3713300
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/const/output.js
@@ -0,0 +1,5 @@
+const _getState = getState(),
+      _getState$data = _getState.data,
+      _getState$data2 = _getState$data === void 0 ? {} : _getState$data,
+      _getState$data2$cours = _getState$data2.courses,
+      oldCourses = _getState$data2$cours === void 0 ? [] : _getState$data2$cours;

From 0389035e15706754056b399c731776bdef67a44b Mon Sep 17 00:00:00 2001
From: Will Monk <will@williammonk.co.uk>
Date: Fri, 9 Mar 2018 18:22:01 +0000
Subject: [PATCH 102/140] Add `exact` Param To ObjectTypeAnnotations (#7535)

---
 packages/babel-generator/test/index.js       | 17 +++++++++++++++++
 packages/babel-types/README.md               |  4 ++--
 packages/babel-types/src/definitions/flow.js |  6 +++++-
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/packages/babel-generator/test/index.js b/packages/babel-generator/test/index.js
index 99b5955222b7..ffb88113583c 100644
--- a/packages/babel-generator/test/index.js
+++ b/packages/babel-generator/test/index.js
@@ -328,6 +328,23 @@ describe("programmatic generation", function() {
     );
   });
 
+  it("flow object exact", function() {
+    const objectStatement = t.objectTypeAnnotation(
+      [t.objectTypeProperty(t.identifier("bar"), t.stringTypeAnnotation())],
+      null,
+      null,
+      true,
+    );
+
+    const output = generate(objectStatement).code;
+    assert.equal(
+      output,
+      `{|
+  bar: string
+|}`,
+    );
+  });
+
   it("flow object indentation with empty leading ObjectTypeProperty", function() {
     const objectStatement = t.objectTypeAnnotation(
       [],
diff --git a/packages/babel-types/README.md b/packages/babel-types/README.md
index 2f2868c50052..a48301c15cc3 100644
--- a/packages/babel-types/README.md
+++ b/packages/babel-types/README.md
@@ -1499,7 +1499,7 @@ Aliases: `UserWhitespacable`, `Property`, `ObjectMember`
 
 ### objectTypeAnnotation
 ```javascript
-t.objectTypeAnnotation(properties, indexers, callProperties)
+t.objectTypeAnnotation(properties, indexers, callProperties, exact)
 ```
 
 See also `t.isObjectTypeAnnotation(node, opts)` and `t.assertObjectTypeAnnotation(node, opts)`.
@@ -1509,7 +1509,7 @@ Aliases: `Flow`, `FlowType`
  - `properties`: `Array<ObjectTypeProperty | ObjectTypeSpreadProperty>` (required)
  - `indexers`: `Array<ObjectTypeIndexer>` (default: `null`)
  - `callProperties`: `Array<ObjectTypeCallProperty>` (default: `null`)
- - `exact`: `boolean` (default: `null`)
+ - `exact`: `boolean` (default: `false`)
 
 ---
 
diff --git a/packages/babel-types/src/definitions/flow.js b/packages/babel-types/src/definitions/flow.js
index 709d179db72e..cbd75c77758d 100644
--- a/packages/babel-types/src/definitions/flow.js
+++ b/packages/babel-types/src/definitions/flow.js
@@ -252,13 +252,17 @@ defineType("NumberTypeAnnotation", {
 defineType("ObjectTypeAnnotation", {
   visitor: ["properties", "indexers", "callProperties"],
   aliases: ["Flow", "FlowType"],
+  builder: ["properties", "indexers", "callProperties", "exact"],
   fields: {
     properties: validate(
       arrayOfType(["ObjectTypeProperty", "ObjectTypeSpreadProperty"]),
     ),
     indexers: validateOptional(arrayOfType("ObjectTypeIndexer")),
     callProperties: validateOptional(arrayOfType("ObjectTypeCallProperty")),
-    exact: validate(assertValueType("boolean")),
+    exact: {
+      validate: assertValueType("boolean"),
+      default: false,
+    },
   },
 });
 

From b5e6536f2618ccc50b5950ad04cd6c8530d73aa2 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 9 Mar 2018 14:14:25 -0800
Subject: [PATCH 103/140] Remove the sourceMapTarget option from core and
 implement it in babel-cli. (#7500)

---
 packages/babel-cli/src/babel/dir.js                    |  2 +-
 packages/babel-cli/src/babel/file.js                   |  5 ++++-
 packages/babel-cli/src/babel/index.js                  |  1 +
 .../out-files/lib/bar/bar.js                           |  2 +-
 .../out-files/lib/foo.js                               |  2 +-
 .../out-files/lib/bar/bar.js.map                       |  2 +-
 .../out-files/lib/foo.js.map                           |  2 +-
 packages/babel-core/README.md                          |  1 -
 packages/babel-core/src/config/validation/options.js   |  4 ----
 packages/babel-core/src/config/validation/removed.js   |  9 ++++++++-
 .../babel-core/src/transformation/normalize-opts.js    |  2 --
 .../transformation/source-maps/full/source-map.json    |  1 -
 .../transformation/source-maps/inline/output.js        |  2 +-
 packages/babel-generator/README.md                     |  1 -
 packages/babel-generator/src/source-map.js             |  1 -
 .../src/index.js                                       | 10 +---------
 16 files changed, 20 insertions(+), 27 deletions(-)

diff --git a/packages/babel-cli/src/babel/dir.js b/packages/babel-cli/src/babel/dir.js
index 28b2f5bd3c11..e03daf9cf450 100644
--- a/packages/babel-cli/src/babel/dir.js
+++ b/packages/babel-cli/src/babel/dir.js
@@ -28,7 +28,6 @@ export default function(commander, filenames, opts) {
       defaults(
         {
           sourceFileName: slash(path.relative(dest + "/..", src)),
-          sourceMapTarget: path.basename(relative),
         },
         opts,
       ),
@@ -44,6 +43,7 @@ export default function(commander, filenames, opts) {
         ) {
           const mapLoc = dest + ".map";
           res.code = util.addSourceMappingUrl(res.code, mapLoc);
+          res.map.file = path.basename(relative);
           outputFileSync(mapLoc, JSON.stringify(res.map));
         }
 
diff --git a/packages/babel-cli/src/babel/file.js b/packages/babel-cli/src/babel/file.js
index 9a08545b7659..def6aa3eb7d1 100644
--- a/packages/babel-cli/src/babel/file.js
+++ b/packages/babel-cli/src/babel/file.js
@@ -16,7 +16,10 @@ export default function(commander, filenames, opts) {
 
   const buildResult = function() {
     const map = new sourceMap.SourceMapGenerator({
-      file: path.basename(commander.outFile || "") || "stdout",
+      file:
+        commander.sourceMapTarget ||
+        path.basename(commander.outFile || "") ||
+        "stdout",
       sourceRoot: opts.sourceRoot,
     });
 
diff --git a/packages/babel-cli/src/babel/index.js b/packages/babel-cli/src/babel/index.js
index 6d809421341f..68a4c9b80e45 100755
--- a/packages/babel-cli/src/babel/index.js
+++ b/packages/babel-cli/src/babel/index.js
@@ -259,6 +259,7 @@ delete opts.configFile;
 delete opts.deleteDirOnStart;
 delete opts.keepFileExtension;
 delete opts.relative;
+delete opts.sourceMapTarget;
 
 // Commander will default the "--no-" arguments to true, but we want to leave them undefined so that
 // @babel/core can handle the default-assignment logic on its own.
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/bar/bar.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/bar/bar.js
index 8216b06eeb6b..7bc139ae8a2f 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/bar/bar.js	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/bar/bar.js	
@@ -7,4 +7,4 @@ function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Con
 var Test = function Test() {
   _classCallCheck(this, Test);
 };
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uLy4uL3NyYy9iYXIvYmFyLmpzIl0sIm5hbWVzIjpbIlRlc3QiXSwibWFwcGluZ3MiOiI7Ozs7OztJQUFNQSxJIiwiZmlsZSI6ImJhci5qcyIsInNvdXJjZXNDb250ZW50IjpbImNsYXNzIFRlc3Qge1xuXG59Il19
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uLy4uL3NyYy9iYXIvYmFyLmpzIl0sIm5hbWVzIjpbIlRlc3QiXSwibWFwcGluZ3MiOiI7Ozs7OztJQUFNQSxJIiwic291cmNlc0NvbnRlbnQiOlsiY2xhc3MgVGVzdCB7XG5cbn0iXX0=
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/foo.js b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/foo.js
index 6439e69a2f21..a7df874e439c 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/foo.js	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps inline/out-files/lib/foo.js	
@@ -3,4 +3,4 @@
 arr.map(function (x) {
   return x * MULTIPLIER;
 });
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uL3NyYy9mb28uanMiXSwibmFtZXMiOlsiYXJyIiwibWFwIiwieCIsIk1VTFRJUExJRVIiXSwibWFwcGluZ3MiOiI7O0FBQUFBLElBQUlDLEdBQUosQ0FBUTtBQUFBLFNBQUtDLElBQUlDLFVBQVQ7QUFBQSxDQUFSIiwiZmlsZSI6ImZvby5qcyIsInNvdXJjZXNDb250ZW50IjpbImFyci5tYXAoeCA9PiB4ICogTVVMVElQTElFUik7Il19
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uL3NyYy9mb28uanMiXSwibmFtZXMiOlsiYXJyIiwibWFwIiwieCIsIk1VTFRJUExJRVIiXSwibWFwcGluZ3MiOiI7O0FBQUFBLElBQUlDLEdBQUosQ0FBUTtBQUFBLFNBQUtDLElBQUlDLFVBQVQ7QUFBQSxDQUFSIiwic291cmNlc0NvbnRlbnQiOlsiYXJyLm1hcCh4ID0+IHggKiBNVUxUSVBMSUVSKTsiXX0=
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/bar/bar.js.map b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/bar/bar.js.map
index a970cba9440c..99078be50b8a 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/bar/bar.js.map	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/bar/bar.js.map	
@@ -1 +1 @@
-{"version":3,"sources":["../../src/bar/bar.js"],"names":["Test"],"mappings":";;;;;;IAAMA,I","file":"bar.js","sourcesContent":["class Test {\n\n}"]}
+{"version":3,"sources":["../../src/bar/bar.js"],"names":["Test"],"mappings":";;;;;;IAAMA,I","sourcesContent":["class Test {\n\n}"],"file":"bar.js"}
diff --git a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/foo.js.map b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/foo.js.map
index a97ad9e88f10..595013088ca2 100644
--- a/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/foo.js.map	
+++ b/packages/babel-cli/test/fixtures/babel/dir --out-dir --source-maps/out-files/lib/foo.js.map	
@@ -1 +1 @@
-{"version":3,"sources":["../src/foo.js"],"names":["arr","map","x","MULTIPLIER"],"mappings":";;AAAAA,IAAIC,GAAJ,CAAQ;AAAA,SAAKC,IAAIC,UAAT;AAAA,CAAR","file":"foo.js","sourcesContent":["arr.map(x => x * MULTIPLIER);"]}
+{"version":3,"sources":["../src/foo.js"],"names":["arr","map","x","MULTIPLIER"],"mappings":";;AAAAA,IAAIC,GAAJ,CAAQ;AAAA,SAAKC,IAAIC,UAAT;AAAA,CAAR","sourcesContent":["arr.map(x => x * MULTIPLIER);"],"file":"foo.js"}
diff --git a/packages/babel-core/README.md b/packages/babel-core/README.md
index c2e3fd3436cd..8814930519cd 100644
--- a/packages/babel-core/README.md
+++ b/packages/babel-core/README.md
@@ -242,7 +242,6 @@ Following is a table of the options you can use:
 | `shouldPrintComment`     | `null`               | An optional callback that controls whether a comment should be output or not. Called as `shouldPrintComment(commentContents)`. **NOTE:** This overrides the `comment` option when used |
 | `sourceFileName`         | `(filenameRelative)` | Set `sources[0]` on returned source map |
 | `sourceMaps`             | `false`              | If truthy, adds a `map` property to returned output. If set to `"inline"`, a comment with a sourceMappingURL directive is added to the bottom of the returned code. If set to `"both"` then a `map` property is returned as well as a source map comment appended. **This does not emit sourcemap files by itself!** To have sourcemaps emitted using the CLI, you must pass it the `--source-maps` option |
-| `sourceMapTarget`        | `(filenameRelative)` | Set `file` on returned source map |
 | `sourceRoot`             | `(moduleRoot)`       | The root from which all sources are relative |
 | `sourceType`             | `"module"`           | Indicate the mode the code should be parsed in. Can be one of "script", "module", or "unambiguous". `"unambiguous"` will make Babel attempt to _guess_, based on the presence of ES6 `import` or `export` statements. Files with ES6 `import`s and `export`s are considered `"module"` and are otherwise `"script"`. |
 | `wrapPluginVisitorMethod`| `null`               | An optional callback that can be used to wrap visitor methods. **NOTE:** This is useful for things like introspection, and not really needed for implementing anything. Called as `wrapPluginVisitorMethod(pluginAlias, visitorType, callback)`.
diff --git a/packages/babel-core/src/config/validation/options.js b/packages/babel-core/src/config/validation/options.js
index bd7a4ffe66d6..e0e855d72035 100644
--- a/packages/babel-core/src/config/validation/options.js
+++ b/packages/babel-core/src/config/validation/options.js
@@ -119,9 +119,6 @@ const COMMON_VALIDATORS: ValidatorSet = {
   sourceMap: (assertSourceMaps: Validator<
     $PropertyType<ValidatedOptions, "sourceMap">,
   >),
-  sourceMapTarget: (assertString: Validator<
-    $PropertyType<ValidatedOptions, "sourceMapTarget">,
-  >),
   sourceFileName: (assertString: Validator<
     $PropertyType<ValidatedOptions, "sourceFileName">,
   >),
@@ -192,7 +189,6 @@ export type ValidatedOptions = {
   // Sourcemap generation options.
   sourceMaps?: SourceMapsOption,
   sourceMap?: SourceMapsOption,
-  sourceMapTarget?: string,
   sourceFileName?: string,
   sourceRoot?: string,
 
diff --git a/packages/babel-core/src/config/validation/removed.js b/packages/babel-core/src/config/validation/removed.js
index 09885afec3fc..165bc4049f50 100644
--- a/packages/babel-core/src/config/validation/removed.js
+++ b/packages/babel-core/src/config/validation/removed.js
@@ -44,7 +44,8 @@ export default {
     message: "Put the specific transforms you want in the `plugins` option",
   },
   sourceMapName: {
-    message: "Use the `sourceMapTarget` option",
+    message:
+      "The `sourceMapName` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
   },
   stage: {
     message:
@@ -64,4 +65,10 @@ export default {
     message:
       "Generated plugin metadata is always included in the output result",
   },
+
+  sourceMapTarget: {
+    version: 6,
+    message:
+      "The `sourceMapTarget` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
+  },
 };
diff --git a/packages/babel-core/src/transformation/normalize-opts.js b/packages/babel-core/src/transformation/normalize-opts.js
index f224ff01ee13..6cd0f32447f1 100644
--- a/packages/babel-core/src/transformation/normalize-opts.js
+++ b/packages/babel-core/src/transformation/normalize-opts.js
@@ -15,7 +15,6 @@ export default function normalizeOptions(config: ResolvedConfig): {} {
     sourceRoot = moduleRoot,
 
     sourceFileName = filenameRelative,
-    sourceMapTarget = filenameRelative,
 
     comments = true,
     compact = "auto",
@@ -47,7 +46,6 @@ export default function normalizeOptions(config: ResolvedConfig): {} {
 
         // Source-map generation flags.
         sourceMaps,
-        sourceMapTarget,
         sourceRoot,
         sourceFileName,
       },
diff --git a/packages/babel-core/test/fixtures/transformation/source-maps/full/source-map.json b/packages/babel-core/test/fixtures/transformation/source-maps/full/source-map.json
index 93aa0c2509bf..77952227eacf 100644
--- a/packages/babel-core/test/fixtures/transformation/source-maps/full/source-map.json
+++ b/packages/babel-core/test/fixtures/transformation/source-maps/full/source-map.json
@@ -1,6 +1,5 @@
 {
   "version": 3,
-  "file": "source-maps/full/output.js",
   "sources": ["source-maps/full/input.js"],
   "names": [
     "arr",
diff --git a/packages/babel-core/test/fixtures/transformation/source-maps/inline/output.js b/packages/babel-core/test/fixtures/transformation/source-maps/inline/output.js
index d29712050782..4d7c7ba70f2b 100644
--- a/packages/babel-core/test/fixtures/transformation/source-maps/inline/output.js
+++ b/packages/babel-core/test/fixtures/transformation/source-maps/inline/output.js
@@ -1,4 +1,4 @@
 arr.map(function (x) {
   return x * x;
 });
-//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInNvdXJjZS1tYXBzL2lubGluZS9pbnB1dC5qcyJdLCJuYW1lcyI6WyJhcnIiLCJtYXAiLCJ4Il0sIm1hcHBpbmdzIjoiQUFBQUEsSUFBSUMsR0FBSixDQUFRO0FBQUEsU0FBS0MsSUFBSUEsQ0FBVDtBQUFBLENBQVIiLCJmaWxlIjoic291cmNlLW1hcHMvaW5saW5lL291dHB1dC5qcyIsInNvdXJjZXNDb250ZW50IjpbImFyci5tYXAoeCA9PiB4ICogeCk7Il19
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInNvdXJjZS1tYXBzL2lubGluZS9pbnB1dC5qcyJdLCJuYW1lcyI6WyJhcnIiLCJtYXAiLCJ4Il0sIm1hcHBpbmdzIjoiQUFBQUEsSUFBSUMsR0FBSixDQUFRO0FBQUEsU0FBS0MsSUFBSUEsQ0FBVDtBQUFBLENBQVIiLCJzb3VyY2VzQ29udGVudCI6WyJhcnIubWFwKHggPT4geCAqIHgpOyJdfQ==
diff --git a/packages/babel-generator/README.md b/packages/babel-generator/README.md
index bc847715d075..44725b6047a2 100644
--- a/packages/babel-generator/README.md
+++ b/packages/babel-generator/README.md
@@ -43,7 +43,6 @@ Options for source maps:
 name                   | type     | default         | description
 -----------------------|----------|-----------------|--------------------------------------------------------------------------
 sourceMaps             | boolean  | `false`         | Enable generating source maps
-sourceMapTarget        | string   |                 | The filename of the generated code that the source map will be associated with
 sourceRoot             | string   |                 | A root for all relative URLs in the source map
 sourceFileName         | string   |                 | The filename for the source code (i.e. the code in the `code` argument).  This will only be used if `code` is a string.
 
diff --git a/packages/babel-generator/src/source-map.js b/packages/babel-generator/src/source-map.js
index c2a41642826b..cbdbe8af8927 100644
--- a/packages/babel-generator/src/source-map.js
+++ b/packages/babel-generator/src/source-map.js
@@ -19,7 +19,6 @@ export default class SourceMap {
   get() {
     if (!this._cachedMap) {
       const map = (this._cachedMap = new sourceMap.SourceMapGenerator({
-        file: this._opts.sourceMapTarget,
         sourceRoot: this._opts.sourceRoot,
       }));
 
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 03dda4511e8e..76eaacc36ecc 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -382,15 +382,7 @@ function run(task) {
   let actualCode = actual.code;
   const expectCode = expected.code;
   if (!execCode || actualCode) {
-    result = babel.transform(
-      actualCode,
-      Object.assign(
-        {
-          sourceMapTarget: task.expect.filename,
-        },
-        getOpts(actual),
-      ),
-    );
+    result = babel.transform(actualCode, getOpts(actual));
     checkDuplicatedNodes(result.ast);
     if (
       !expected.code &&

From 958551fd890605515c82cff9ac4b1bacc99027fb Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 9 Mar 2018 14:35:55 -0800
Subject: [PATCH 104/140] Refactor unambiguous to track state during parsing.

---
 packages/babylon/src/index.js            | 18 +++---------------
 packages/babylon/src/parser/base.js      |  1 +
 packages/babylon/src/parser/statement.js | 17 +++++++++++++++++
 3 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/packages/babylon/src/index.js b/packages/babylon/src/index.js
index 7071a312b3e3..a90f0af0f67a 100755
--- a/packages/babylon/src/index.js
+++ b/packages/babylon/src/index.js
@@ -22,11 +22,12 @@ export function parse(input: string, options?: Options): File {
     options = Object.assign({}, options);
     try {
       options.sourceType = "module";
-      const ast = getParser(options, input).parse();
+      const parser = getParser(options, input);
+      const ast = parser.parse();
 
       // Rather than try to parse as a script first, we opt to parse as a module and convert back
       // to a script where possible to avoid having to do a full re-parse of the input content.
-      if (!hasModuleSyntax(ast)) ast.program.sourceType = "script";
+      if (!parser.sawUnambiguousESM) ast.program.sourceType = "script";
       return ast;
     } catch (moduleError) {
       try {
@@ -111,16 +112,3 @@ function getParserClass(
   }
   return cls;
 }
-
-function hasModuleSyntax(ast) {
-  return ast.program.body.some(
-    child =>
-      (child.type === "ImportDeclaration" &&
-        (!child.importKind || child.importKind === "value")) ||
-      (child.type === "ExportNamedDeclaration" &&
-        (!child.exportKind || child.exportKind === "value")) ||
-      (child.type === "ExportAllDeclaration" &&
-        (!child.exportKind || child.exportKind === "value")) ||
-      child.type === "ExportDefaultDeclaration",
-  );
-}
diff --git a/packages/babylon/src/parser/base.js b/packages/babylon/src/parser/base.js
index 972d60c80079..6e7ab90d6577 100644
--- a/packages/babylon/src/parser/base.js
+++ b/packages/babylon/src/parser/base.js
@@ -11,6 +11,7 @@ export default class BaseParser {
   inModule: boolean;
   plugins: { [key: string]: boolean };
   filename: ?string;
+  sawUnambiguousESM: boolean = false;
 
   // Initialized by Tokenizer
   state: State;
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index a014806c5189..f86f7af9b9ea 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -146,8 +146,25 @@ export default class StatementParser extends ExpressionParser {
         let result;
         if (starttype == tt._import) {
           result = this.parseImport(node);
+
+          if (
+            result.type === "ImportDeclaration" &&
+            (!result.importKind || result.importKind === "value")
+          ) {
+            this.sawUnambiguousESM = true;
+          }
         } else {
           result = this.parseExport(node);
+
+          if (
+            (result.type === "ExportNamedDeclaration" &&
+              (!result.exportKind || result.exportKind === "value")) ||
+            (result.type === "ExportAllDeclaration" &&
+              (!result.exportKind || result.exportKind === "value")) ||
+            result.type === "ExportDefaultDeclaration"
+          ) {
+            this.sawUnambiguousESM = true;
+          }
         }
 
         this.assertModuleNodeAllowed(node);

From 3c8e9acd4a77e99e4442e2b6833782276e49cb1c Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Fri, 9 Mar 2018 14:44:06 -0800
Subject: [PATCH 105/140] Make the unambiguous grammar select module when
 import.meta is used.

---
 packages/babylon/src/parser/expression.js     |   2 +
 .../import-meta/input.js                      |   1 +
 .../import-meta/options.json                  |   4 +
 .../import-meta/output.json                   | 165 ++++++++++++++++++
 4 files changed, 172 insertions(+)
 create mode 100644 packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/input.js
 create mode 100644 packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/options.json
 create mode 100644 packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/output.json

diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index 04c4bc8db720..d17cdf01e450 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -957,6 +957,8 @@ export default class ExpressionParser extends LValParser {
         { code: "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED" },
       );
     }
+    this.sawUnambiguousESM = true;
+
     return this.parseMetaProperty(node, id, "meta");
   }
 
diff --git a/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/input.js b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/input.js
new file mode 100644
index 000000000000..e7313a090ffe
--- /dev/null
+++ b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/input.js
@@ -0,0 +1 @@
+console.log(import.meta);
diff --git a/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/options.json b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/options.json
new file mode 100644
index 000000000000..6fdc0a23b66e
--- /dev/null
+++ b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/options.json
@@ -0,0 +1,4 @@
+{
+  "sourceType": "unambiguous",
+  "plugins": ["importMeta"]
+}
diff --git a/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/output.json b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/output.json
new file mode 100644
index 000000000000..1fe4795f6400
--- /dev/null
+++ b/packages/babylon/test/fixtures/core/sourcetype-unambiguous/import-meta/output.json
@@ -0,0 +1,165 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 25,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 25
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 25,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 25
+      }
+    },
+    "sourceType": "module",
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start": 0,
+        "end": 25,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 25
+          }
+        },
+        "expression": {
+          "type": "CallExpression",
+          "start": 0,
+          "end": 24,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
+              "line": 1,
+              "column": 24
+            }
+          },
+          "callee": {
+            "type": "MemberExpression",
+            "start": 0,
+            "end": 11,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 0
+              },
+              "end": {
+                "line": 1,
+                "column": 11
+              }
+            },
+            "object": {
+              "type": "Identifier",
+              "start": 0,
+              "end": 7,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 0
+                },
+                "end": {
+                  "line": 1,
+                  "column": 7
+                },
+                "identifierName": "console"
+              },
+              "name": "console"
+            },
+            "property": {
+              "type": "Identifier",
+              "start": 8,
+              "end": 11,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 8
+                },
+                "end": {
+                  "line": 1,
+                  "column": 11
+                },
+                "identifierName": "log"
+              },
+              "name": "log"
+            },
+            "computed": false
+          },
+          "arguments": [
+            {
+              "type": "MetaProperty",
+              "start": 12,
+              "end": 23,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 12
+                },
+                "end": {
+                  "line": 1,
+                  "column": 23
+                }
+              },
+              "meta": {
+                "type": "Identifier",
+                "start": 12,
+                "end": 18,
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 12
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 18
+                  },
+                  "identifierName": "import"
+                },
+                "name": "import"
+              },
+              "property": {
+                "type": "Identifier",
+                "start": 19,
+                "end": 23,
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 19
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 23
+                  },
+                  "identifierName": "meta"
+                },
+                "name": "meta"
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "directives": []
+  }
+}
\ No newline at end of file

From f3f01978909c4ce1fa65540e2341ecba509f4d44 Mon Sep 17 00:00:00 2001
From: Deven Bansod <devenbansod@users.noreply.github.com>
Date: Sat, 10 Mar 2018 16:10:29 +0530
Subject: [PATCH 106/140] Migrate babel-core tests to use jest-expect (#7513)

* Used codemods at: https://gist.github.com/devenbansod/03c5cff857661e076cbec72fcb2e7eb3 along with some manual intervention and review
---
 packages/babel-core/test/api.js               | 147 +++++-------
 packages/babel-core/test/browserify.js        |   3 +-
 packages/babel-core/test/caching-api.js       | 220 +++++++++---------
 packages/babel-core/test/config-chain.js      | 208 ++++++++---------
 packages/babel-core/test/config-loading.js    |  71 +++---
 packages/babel-core/test/evaluation.js        |   5 +-
 .../test/fixtures/parse/output.json           |  12 +-
 .../plugins/nested-if-alternate/exec.js       |   2 +-
 .../misc/regression-7064/exec.js              |   8 +-
 .../regenerator/default-parameters/exec.js    |   4 +-
 .../destructuring-parameters/exec.js          |   2 +-
 .../regenerator/destructuring/exec.js         |  20 +-
 .../regenerator/rest-parameters/exec.js       |   2 +-
 packages/babel-core/test/option-manager.js    |  84 ++++---
 packages/babel-core/test/parse.js             |  19 +-
 packages/babel-core/test/path.js              |  15 +-
 packages/babel-core/test/resolution.js        |  45 ++--
 .../src/index.js                              |   1 +
 18 files changed, 424 insertions(+), 444 deletions(-)

diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index c1be9ae30c4c..bb060ad22b14 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -1,16 +1,15 @@
 import * as babel from "../lib/index";
 import sourceMap from "source-map";
-import assert from "assert";
 import path from "path";
 import Plugin from "../lib/config/plugin";
 import generator from "@babel/generator";
 
 function assertIgnored(result) {
-  assert.ok(!result);
+  expect(result).toBeFalsy();
 }
 
 function assertNotIgnored(result) {
-  assert.ok(!result.ignored);
+  expect(result.ignored).toBeFalsy();
 }
 
 // shim
@@ -48,18 +47,16 @@ describe("parser and generator options", function() {
 
   it("options", function() {
     const string = "original;";
-    assert.deepEqual(
-      newTransform(string).ast,
+    expect(newTransform(string).ast).toEqual(
       babel.transform(string, { ast: true }).ast,
     );
-    assert.equal(newTransform(string).code, string);
+    expect(newTransform(string).code).toBe(string);
   });
 
   it("experimental syntax", function() {
     const experimental = "var a: number = 1;";
 
-    assert.deepEqual(
-      newTransform(experimental).ast,
+    expect(newTransform(experimental).ast).toEqual(
       babel.transform(experimental, {
         ast: true,
         parserOpts: {
@@ -67,7 +64,7 @@ describe("parser and generator options", function() {
         },
       }).ast,
     );
-    assert.equal(newTransform(experimental).code, experimental);
+    expect(newTransform(experimental).code).toBe(experimental);
 
     function newTransformWithPlugins(string) {
       return babel.transform(string, {
@@ -82,8 +79,7 @@ describe("parser and generator options", function() {
       });
     }
 
-    assert.deepEqual(
-      newTransformWithPlugins(experimental).ast,
+    expect(newTransformWithPlugins(experimental).ast).toEqual(
       babel.transform(experimental, {
         ast: true,
         parserOpts: {
@@ -91,14 +87,13 @@ describe("parser and generator options", function() {
         },
       }).ast,
     );
-    assert.equal(newTransformWithPlugins(experimental).code, experimental);
+    expect(newTransformWithPlugins(experimental).code).toBe(experimental);
   });
 
   it("other options", function() {
     const experimental = "if (true) {\n  import a from 'a';\n}";
 
-    assert.notEqual(
-      newTransform(experimental).ast,
+    expect(newTransform(experimental).ast).not.toBe(
       babel.transform(experimental, {
         ast: true,
         parserOpts: {
@@ -106,21 +101,19 @@ describe("parser and generator options", function() {
         },
       }).ast,
     );
-    assert.equal(newTransform(experimental).code, experimental);
+    expect(newTransform(experimental).code).toBe(experimental);
   });
 });
 
 describe("api", function() {
   it("exposes the resolvePlugin method", function() {
-    assert.throws(
-      () => babel.resolvePlugin("nonexistent-plugin"),
+    expect(() => babel.resolvePlugin("nonexistent-plugin")).toThrow(
       /Cannot find module 'babel-plugin-nonexistent-plugin'/,
     );
   });
 
   it("exposes the resolvePreset method", function() {
-    assert.throws(
-      () => babel.resolvePreset("nonexistent-preset"),
+    expect(() => babel.resolvePreset("nonexistent-preset")).toThrow(
       /Cannot find module 'babel-preset-nonexistent-preset'/,
     );
   });
@@ -135,9 +128,9 @@ describe("api", function() {
       res,
     ) {
       if (err) return done(err);
-      assert.equal(res.code, "foo();");
+      expect(res.code).toBe("foo();");
       // keep user options untouched
-      assert.deepEqual(options, { babelrc: false });
+      expect(options).toEqual({ babelrc: false });
       done();
     });
   });
@@ -147,20 +140,19 @@ describe("api", function() {
       babelrc: false,
     };
     Object.freeze(options);
-    assert.equal(
+    expect(
       babel.transformFileSync(__dirname + "/fixtures/api/file.js", options)
         .code,
-      "foo();",
-    );
-    assert.deepEqual(options, { babelrc: false });
+    ).toBe("foo();");
+    expect(options).toEqual({ babelrc: false });
   });
 
   it("options throw on falsy true", function() {
-    return assert.throws(function() {
+    return expect(function() {
       babel.transform("", {
         plugins: [__dirname + "/../../babel-plugin-syntax-jsx", false],
       });
-    }, /.plugins\[1\] must be a string, object, function/);
+    }).toThrow(/.plugins\[1\] must be a string, object, function/);
   });
 
   it("options merge backwards", function() {
@@ -168,9 +160,8 @@ describe("api", function() {
       presets: [__dirname + "/../../babel-preset-es2015"],
       plugins: [__dirname + "/../../babel-plugin-syntax-jsx"],
     }).then(function(result) {
-      assert.ok(
-        result.options.plugins[0].manipulateOptions.toString().indexOf("jsx") >=
-          0,
+      expect(result.options.plugins[0].manipulateOptions.toString()).toEqual(
+        expect.stringContaining("jsx"),
       );
     });
   });
@@ -185,7 +176,7 @@ describe("api", function() {
           return callback;
         }
 
-        assert.equal(visitorType, "enter");
+        expect(visitorType).toBe("enter");
 
         return function() {
           calledIntercept++;
@@ -205,8 +196,8 @@ describe("api", function() {
       ],
     });
 
-    assert.equal(calledRaw, 4);
-    assert.equal(calledIntercept, 4);
+    expect(calledRaw).toBe(4);
+    expect(calledIntercept).toBe(4);
   });
 
   it("pass per preset", function() {
@@ -266,9 +257,9 @@ describe("api", function() {
 
     let result = execTest(true);
 
-    assert.equal(aliasBaseType, "NumberTypeAnnotation");
+    expect(aliasBaseType).toBe("NumberTypeAnnotation");
 
-    assert.deepEqual(result.code, "var x = function x(y) {\n  return y;\n};");
+    expect(result.code).toEqual("var x = function x(y) {\n  return y;\n};");
 
     // 2. passPerPreset: false
 
@@ -276,9 +267,9 @@ describe("api", function() {
 
     result = execTest(false);
 
-    assert.equal(aliasBaseType, null);
+    expect(aliasBaseType).toBeNull();
 
-    assert.deepEqual(result.code, "var x = function x(y) {\n  return y;\n};");
+    expect(result.code).toEqual("var x = function x(y) {\n  return y;\n};");
   });
 
   it("complex plugin and preset ordering", function() {
@@ -325,8 +316,7 @@ describe("api", function() {
       process.env.BABEL_ENV = oldEnv;
     }
 
-    assert.equal(
-      result.code,
+    expect(result.code).toBe(
       [
         "thirteen;",
         "fourteen;",
@@ -374,7 +364,7 @@ describe("api", function() {
       },
     );
 
-    assert.deepEqual(
+    expect(
       [
         "function _classCallCheck(instance, Constructor) {",
         "  if (!(instance instanceof Constructor)) {",
@@ -386,48 +376,46 @@ describe("api", function() {
         "  _classCallCheck(this, Foo);",
         "};",
       ].join("\n"),
-      result.code,
-    );
+    ).toBe(result.code);
 
     const consumer = new sourceMap.SourceMapConsumer(result.map);
 
-    assert.deepEqual(
+    expect(
       consumer.originalPositionFor({
         line: 7,
         column: 4,
       }),
-      {
-        name: null,
-        source: "stdout",
-        line: 1,
-        column: 6,
-      },
-    );
+    ).toEqual({
+      name: null,
+      source: "stdout",
+      line: 1,
+      column: 6,
+    });
   });
 
   it("code option false", function() {
     return transformAsync("foo('bar');", { code: false }).then(function(
       result,
     ) {
-      assert.ok(!result.code);
+      expect(result.code).toBeFalsy();
     });
   });
 
   it("ast option false", function() {
     return transformAsync("foo('bar');", { ast: false }).then(function(result) {
-      assert.ok(!result.ast);
+      expect(result.ast).toBeFalsy();
     });
   });
 
   it("ast option true", function() {
     return transformAsync("foo('bar');", { ast: true }).then(function(result) {
-      assert.ok(result.ast);
+      expect(result.ast).toBeTruthy();
     });
   });
 
   it("ast option default", function() {
     return transformAsync("foo('bar');").then(function(result) {
-      assert.ok(!result.ast);
+      expect(result.ast).toBeFalsy();
     });
   });
 
@@ -455,8 +443,7 @@ describe("api", function() {
         },
       ],
     }).then(function(result) {
-      assert.equal(
-        result.code,
+      expect(result.code).toBe(
         "/*before*/\nstart;\n\n/*after*/\nclass Foo {}\n\n/*before*/\nend;\n\n/*after*/",
       );
     });
@@ -563,7 +550,7 @@ describe("api", function() {
         },
       });
 
-      assert.equal(result.options.comments, false);
+      expect(result.options.comments).toBe(false);
     });
 
     it("BABEL_ENV", function() {
@@ -573,7 +560,7 @@ describe("api", function() {
           foo: { comments: false },
         },
       });
-      assert.equal(result.options.comments, false);
+      expect(result.options.comments).toBe(false);
     });
 
     it("NODE_ENV", function() {
@@ -583,7 +570,7 @@ describe("api", function() {
           foo: { comments: false },
         },
       });
-      assert.equal(result.options.comments, false);
+      expect(result.options.comments).toBe(false);
     });
   });
 
@@ -608,25 +595,25 @@ describe("api", function() {
 
     it("all", function() {
       const script = babel.buildExternalHelpers();
-      assert.ok(script.indexOf("classCallCheck") >= -1);
-      assert.ok(script.indexOf("inherits") >= 0);
+      expect(script).toEqual(expect.stringContaining("classCallCheck"));
+      expect(script).toEqual(expect.stringContaining("inherits"));
     });
 
     it("whitelist", function() {
       const script = babel.buildExternalHelpers(["inherits"]);
-      assert.ok(script.indexOf("classCallCheck") === -1);
-      assert.ok(script.indexOf("inherits") >= 0);
+      expect(script).not.toEqual(expect.stringContaining("classCallCheck"));
+      expect(script).toEqual(expect.stringContaining("inherits"));
     });
 
     it("empty whitelist", function() {
       const script = babel.buildExternalHelpers([]);
-      assert.ok(script.indexOf("classCallCheck") === -1);
-      assert.ok(script.indexOf("inherits") === -1);
+      expect(script).not.toEqual(expect.stringContaining("classCallCheck"));
+      expect(script).not.toEqual(expect.stringContaining("inherits"));
     });
 
     it("underscored", function() {
       const script = babel.buildExternalHelpers(["typeof"]);
-      assert.ok(script.indexOf("typeof") >= 0);
+      expect(script).toEqual(expect.stringContaining("typeof"));
     });
   });
 
@@ -640,16 +627,12 @@ describe("api", function() {
         __dirname + "/fixtures/api/parsing-errors/only-syntax/file.js",
         options,
         function(err) {
-          assert.ok(
-            RegExp(
-              "Support for the experimental syntax 'dynamicImport' isn't currently enabled \\(1:9\\):",
-            ).exec(err.message),
+          expect(err.message).toMatch(
+            "Support for the experimental syntax 'dynamicImport' isn't currently enabled (1:9)",
           );
-          assert.ok(
-            RegExp(
-              "Add @babel/plugin-syntax-dynamic-import \\(https://git.io/vb4Sv\\) to the " +
-                "'plugins' section of your Babel config to enable parsing.",
-            ).exec(err.message),
+          expect(err.message).toMatch(
+            "Add @babel/plugin-syntax-dynamic-import (https://git.io/vb4Sv) to the " +
+              "'plugins' section of your Babel config to enable parsing.",
           );
           done();
         },
@@ -661,16 +644,12 @@ describe("api", function() {
         __dirname + "/fixtures/api/parsing-errors/syntax-and-transform/file.js",
         options,
         function(err) {
-          assert.ok(
-            RegExp(
-              "Support for the experimental syntax 'asyncGenerators' isn't currently enabled \\(1:15\\):",
-            ).exec(err.message),
+          expect(err.message).toMatch(
+            "Support for the experimental syntax 'asyncGenerators' isn't currently enabled (1:15):",
           );
-          assert.ok(
-            RegExp(
-              "Add @babel/plugin-proposal-async-generator-functions \\(https://git.io/vb4yp\\) to the " +
-                "'plugins' section of your Babel config to enable transformation.",
-            ).exec(err.message),
+          expect(err.message).toMatch(
+            "Add @babel/plugin-proposal-async-generator-functions (https://git.io/vb4yp) to the " +
+              "'plugins' section of your Babel config to enable transformation.",
           );
           done();
         },
diff --git a/packages/babel-core/test/browserify.js b/packages/babel-core/test/browserify.js
index df0090344340..2d200bb1ce2f 100644
--- a/packages/babel-core/test/browserify.js
+++ b/packages/babel-core/test/browserify.js
@@ -1,5 +1,4 @@
 import browserify from "browserify";
-import assert from "assert";
 import path from "path";
 import vm from "vm";
 
@@ -11,7 +10,7 @@ describe("browserify", function() {
 
     bundler.bundle(function(err, bundle) {
       if (err) return done(err);
-      assert.ok(bundle.length, "bundle output code");
+      expect(bundle.length).toBeTruthy();
 
       // ensure that the code runs without throwing an exception
       vm.runInNewContext("var global = this;\n" + bundle, {});
diff --git a/packages/babel-core/test/caching-api.js b/packages/babel-core/test/caching-api.js
index 9daee26fdc89..0318759fe861 100644
--- a/packages/babel-core/test/caching-api.js
+++ b/packages/babel-core/test/caching-api.js
@@ -1,4 +1,3 @@
-import assert from "assert";
 import { makeStrongCache } from "../lib/config/caching";
 
 describe("caching API", () => {
@@ -10,13 +9,13 @@ describe("caching API", () => {
       return { arg, count: count++ };
     });
 
-    assert.deepEqual(fn("one"), { arg: "one", count: 0 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", count: 0 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", count: 1 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", count: 1 });
+    expect(fn("two")).toBe(fn("two"));
 
-    assert.notEqual(fn("one"), fn("two"));
+    expect(fn("one")).not.toEqual(fn("two"));
   });
 
   it("should allow disabling caching with .never()", () => {
@@ -27,15 +26,15 @@ describe("caching API", () => {
       return { arg, count: count++ };
     });
 
-    assert.deepEqual(fn("one"), { arg: "one", count: 0 });
-    assert.deepEqual(fn("one"), { arg: "one", count: 1 });
-    assert.notEqual(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", count: 0 });
+    expect(fn("one")).toEqual({ arg: "one", count: 1 });
+    expect(fn("one")).not.toEqual(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", count: 4 });
-    assert.deepEqual(fn("two"), { arg: "two", count: 5 });
-    assert.notEqual(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", count: 4 });
+    expect(fn("two")).toEqual({ arg: "two", count: 5 });
+    expect(fn("two")).not.toEqual(fn("two"));
 
-    assert.notEqual(fn("one"), fn("two"));
+    expect(fn("one")).not.toEqual(fn("two"));
   });
 
   it("should allow caching based on a value with .using(fn)", () => {
@@ -48,35 +47,35 @@ describe("caching API", () => {
       return { arg, val, count: count++ };
     });
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 0 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "default", count: 0 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 1 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "default", count: 1 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 2 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "new", count: 2 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 3 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "new", count: 3 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "default";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 0 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "default", count: 0 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 1 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "default", count: 1 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 2 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "new", count: 2 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 3 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "new", count: 3 });
+    expect(fn("two")).toBe(fn("two"));
   });
 
   it("should allow invalidation based on a value with .invalidate(fn)", () => {
@@ -89,35 +88,35 @@ describe("caching API", () => {
       return { arg, val, count: count++ };
     });
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 0 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "default", count: 0 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 1 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "default", count: 1 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 2 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "new", count: 2 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 3 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "new", count: 3 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "default";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 4 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "default", count: 4 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 5 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "default", count: 5 });
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 6 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", val: "new", count: 6 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 7 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", val: "new", count: 7 });
+    expect(fn("two")).toBe(fn("two"));
   });
 
   it("should allow invalidation with .using and .invalidate", () => {
@@ -132,93 +131,93 @@ describe("caching API", () => {
       return { arg, val, val2, count: count++ };
     });
 
-    assert.deepEqual(fn("one"), {
+    expect(fn("one")).toEqual({
       arg: "one",
       val: "default",
       val2: "another",
       count: 0,
     });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), {
+    expect(fn("two")).toEqual({
       arg: "two",
       val: "default",
       val2: "another",
       count: 1,
     });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), {
+    expect(fn("one")).toEqual({
       arg: "one",
       val: "new",
       val2: "another",
       count: 2,
     });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), {
+    expect(fn("two")).toEqual({
       arg: "two",
       val: "new",
       val2: "another",
       count: 3,
     });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toBe(fn("two"));
 
     other = "default";
 
-    assert.deepEqual(fn("one"), {
+    expect(fn("one")).toEqual({
       arg: "one",
       val: "default",
       val2: "another",
       count: 4,
     });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), {
+    expect(fn("two")).toEqual({
       arg: "two",
       val: "default",
       val2: "another",
       count: 5,
     });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toBe(fn("two"));
 
     other = "new";
 
-    assert.deepEqual(fn("one"), {
+    expect(fn("one")).toEqual({
       arg: "one",
       val: "new",
       val2: "another",
       count: 6,
     });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), {
+    expect(fn("two")).toEqual({
       arg: "two",
       val: "new",
       val2: "another",
       count: 7,
     });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toBe(fn("two"));
 
     another = "second";
 
-    assert.deepEqual(fn("one"), {
+    expect(fn("one")).toEqual({
       arg: "one",
       val: "new",
       val2: "second",
       count: 8,
     });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), {
+    expect(fn("two")).toEqual({
       arg: "two",
       val: "new",
       val2: "second",
       count: 9,
     });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toBe(fn("two"));
   });
 
   it("should auto-permacache by default", () => {
@@ -226,13 +225,13 @@ describe("caching API", () => {
 
     const fn = makeStrongCache(arg => ({ arg, count: count++ }));
 
-    assert.deepEqual(fn("one"), { arg: "one", count: 0 });
-    assert.equal(fn("one"), fn("one"));
+    expect(fn("one")).toEqual({ arg: "one", count: 0 });
+    expect(fn("one")).toBe(fn("one"));
 
-    assert.deepEqual(fn("two"), { arg: "two", count: 1 });
-    assert.equal(fn("two"), fn("two"));
+    expect(fn("two")).toEqual({ arg: "two", count: 1 });
+    expect(fn("two")).toBe(fn("two"));
 
-    assert.notEqual(fn("one"), fn("two"));
+    expect(fn("one")).not.toEqual(fn("two"));
   });
 
   it("should throw if you set permacaching and use .using", () => {
@@ -242,7 +241,7 @@ describe("caching API", () => {
       cache.using(() => null);
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you set permacaching and use .invalidate", () => {
@@ -252,7 +251,7 @@ describe("caching API", () => {
       cache.invalidate(() => null);
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you set permacaching and use .never", () => {
@@ -262,7 +261,7 @@ describe("caching API", () => {
       cache.never();
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you set no caching and use .using", () => {
@@ -272,7 +271,7 @@ describe("caching API", () => {
       cache.using(() => null);
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you set no caching and use .invalidate", () => {
@@ -282,7 +281,7 @@ describe("caching API", () => {
       cache.invalidate(() => null);
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you set no caching and use .never", () => {
@@ -292,14 +291,13 @@ describe("caching API", () => {
       cache.using(() => null);
     });
 
-    assert.throws(() => fn(), /Caching has already been configured/);
+    expect(() => fn()).toThrow(/Caching has already been configured/);
   });
 
   it("should throw if you configure .forever after exiting", () => {
     const fn = makeStrongCache((arg, cache) => cache);
 
-    assert.throws(
-      () => fn().forever(),
+    expect(() => fn().forever()).toThrow(
       /Cannot change caching after evaluation/,
     );
   });
@@ -307,14 +305,15 @@ describe("caching API", () => {
   it("should throw if you configure .never after exiting", () => {
     const fn = makeStrongCache((arg, cache) => cache);
 
-    assert.throws(() => fn().never(), /Cannot change caching after evaluation/);
+    expect(() => fn().never()).toThrow(
+      /Cannot change caching after evaluation/,
+    );
   });
 
   it("should throw if you configure .using after exiting", () => {
     const fn = makeStrongCache((arg, cache) => cache);
 
-    assert.throws(
-      () => fn().using(() => null),
+    expect(() => fn().using(() => null)).toThrow(
       /Cannot change caching after evaluation/,
     );
   });
@@ -322,8 +321,7 @@ describe("caching API", () => {
   it("should throw if you configure .invalidate after exiting", () => {
     const fn = makeStrongCache((arg, cache) => cache);
 
-    assert.throws(
-      () => fn().invalidate(() => null),
+    expect(() => fn().invalidate(() => null)).toThrow(
       /Cannot change caching after evaluation/,
     );
   });
@@ -339,13 +337,13 @@ describe("caching API", () => {
         return { arg, count: count++ };
       });
 
-      assert.deepEqual(fn("one"), { arg: "one", count: 0 });
-      assert.equal(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", count: 0 });
+      expect(fn("one")).toBe(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", count: 1 });
-      assert.equal(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", count: 1 });
+      expect(fn("two")).toBe(fn("two"));
 
-      assert.notEqual(fn("one"), fn("two"));
+      expect(fn("one")).not.toEqual(fn("two"));
     });
 
     it("should allow disabling caching with cache(false)", () => {
@@ -358,15 +356,15 @@ describe("caching API", () => {
         return { arg, count: count++ };
       });
 
-      assert.deepEqual(fn("one"), { arg: "one", count: 0 });
-      assert.deepEqual(fn("one"), { arg: "one", count: 1 });
-      assert.notEqual(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", count: 0 });
+      expect(fn("one")).toEqual({ arg: "one", count: 1 });
+      expect(fn("one")).not.toEqual(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", count: 4 });
-      assert.deepEqual(fn("two"), { arg: "two", count: 5 });
-      assert.notEqual(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", count: 4 });
+      expect(fn("two")).toEqual({ arg: "two", count: 5 });
+      expect(fn("two")).not.toEqual(fn("two"));
 
-      assert.notEqual(fn("one"), fn("two"));
+      expect(fn("one")).not.toEqual(fn("two"));
     });
 
     it("should allow caching based on a value with cache(fn)", () => {
@@ -381,35 +379,35 @@ describe("caching API", () => {
         return { arg, val, count: count++ };
       });
 
-      assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 0 });
-      assert.equal(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", val: "default", count: 0 });
+      expect(fn("one")).toBe(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 1 });
-      assert.equal(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", val: "default", count: 1 });
+      expect(fn("two")).toBe(fn("two"));
 
       other = "new";
 
-      assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 2 });
-      assert.equal(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", val: "new", count: 2 });
+      expect(fn("one")).toBe(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 3 });
-      assert.equal(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", val: "new", count: 3 });
+      expect(fn("two")).toBe(fn("two"));
 
       other = "default";
 
-      assert.deepEqual(fn("one"), { arg: "one", val: "default", count: 0 });
-      assert.equal(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", val: "default", count: 0 });
+      expect(fn("one")).toBe(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", val: "default", count: 1 });
-      assert.equal(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", val: "default", count: 1 });
+      expect(fn("two")).toBe(fn("two"));
 
       other = "new";
 
-      assert.deepEqual(fn("one"), { arg: "one", val: "new", count: 2 });
-      assert.equal(fn("one"), fn("one"));
+      expect(fn("one")).toEqual({ arg: "one", val: "new", count: 2 });
+      expect(fn("one")).toBe(fn("one"));
 
-      assert.deepEqual(fn("two"), { arg: "two", val: "new", count: 3 });
-      assert.equal(fn("two"), fn("two"));
+      expect(fn("two")).toEqual({ arg: "two", val: "new", count: 3 });
+      expect(fn("two")).toBe(fn("two"));
     });
   });
 });
diff --git a/packages/babel-core/test/config-chain.js b/packages/babel-core/test/config-chain.js
index 33eaf7532b6d..06cd44f5a75a 100644
--- a/packages/babel-core/test/config-chain.js
+++ b/packages/babel-core/test/config-chain.js
@@ -1,4 +1,3 @@
-import assert from "assert";
 import fs from "fs";
 import path from "path";
 import { loadOptions } from "../lib";
@@ -18,7 +17,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching RegExp values", () => {
@@ -29,7 +28,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching function values", () => {
@@ -40,7 +39,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching string values", () => {
@@ -51,7 +50,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching RegExp values", () => {
@@ -62,7 +61,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching function values", () => {
@@ -73,7 +72,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
     });
 
@@ -86,7 +85,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching RegExp values", () => {
@@ -97,7 +96,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching function values", () => {
@@ -108,7 +107,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching string values", () => {
@@ -119,7 +118,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching RegExp values", () => {
@@ -130,7 +129,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching function values", () => {
@@ -141,7 +140,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
     });
   });
@@ -156,7 +155,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching RegExp values", () => {
@@ -167,7 +166,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching function values", () => {
@@ -178,7 +177,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching string values", () => {
@@ -189,7 +188,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching RegExp values", () => {
@@ -200,7 +199,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching function values", () => {
@@ -211,7 +210,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
     });
 
@@ -224,7 +223,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching RegExp values", () => {
@@ -235,7 +234,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process matching function values", () => {
@@ -246,7 +245,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching string values", () => {
@@ -257,7 +256,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching RegExp values", () => {
@@ -268,7 +267,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching function values", () => {
@@ -279,7 +278,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
     });
   });
@@ -294,7 +293,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process matching RegExp values", () => {
@@ -305,7 +304,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process matching function values", () => {
@@ -316,7 +315,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching string values", () => {
@@ -327,7 +326,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching RegExp values", () => {
@@ -338,7 +337,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching function values", () => {
@@ -349,7 +348,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
     });
 
@@ -362,7 +361,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process matching RegExp values", () => {
@@ -373,7 +372,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process matching function values", () => {
@@ -384,7 +383,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, undefined);
+        expect(opts.comments).toBeUndefined();
       });
 
       it("should process non-matching string values", () => {
@@ -395,7 +394,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching RegExp values", () => {
@@ -406,7 +405,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
 
       it("should process non-matching function values", () => {
@@ -417,7 +416,7 @@ describe("buildConfigChain", function() {
           comments: true,
         });
 
-        assert.equal(opts.comments, true);
+        expect(opts.comments).toBe(true);
       });
     });
   });
@@ -437,7 +436,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.equal(opts, null);
+      expect(opts).toBeNull();
     });
 
     it("should not ignore files that don't match", () => {
@@ -450,7 +449,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.notEqual(opts, null);
+      expect(opts).not.toBeNull();
     });
   });
 
@@ -465,7 +464,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.equal(opts, null);
+      expect(opts).toBeNull();
     });
 
     it("should not ignore files that match", () => {
@@ -478,7 +477,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.notEqual(opts, null);
+      expect(opts).not.toBeNull();
     });
   });
 
@@ -491,7 +490,7 @@ describe("buildConfigChain", function() {
         only: [],
       });
 
-      assert.equal(opts, null);
+      expect(opts).toBeNull();
     });
 
     it("should ignore files that match ignore and also only", () => {
@@ -502,7 +501,7 @@ describe("buildConfigChain", function() {
         only: [fixture("nonexistant-fake", "src.js")],
       });
 
-      assert.equal(opts, null);
+      expect(opts).toBeNull();
     });
 
     it("should not ignore files that match only and not ignore", () => {
@@ -512,7 +511,7 @@ describe("buildConfigChain", function() {
         only: [fixture("nonexistant-fake", "src.js")],
       });
 
-      assert.notEqual(opts, null);
+      expect(opts).not.toBeNull();
     });
 
     it("should not ignore files when no ignore/only are specified", () => {
@@ -521,7 +520,7 @@ describe("buildConfigChain", function() {
         babelrc: false,
       });
 
-      assert.notEqual(opts, null);
+      expect(opts).not.toBeNull();
     });
 
     it("should allow negation of only", () => {
@@ -533,7 +532,7 @@ describe("buildConfigChain", function() {
           fixture("nonexistant-fake", "other.js"),
         ],
       });
-      assert.equal(opts1, null);
+      expect(opts1).toBeNull();
 
       const opts2 = loadOptions({
         filename: fixture("nonexistant-fake", "src.js"),
@@ -543,7 +542,7 @@ describe("buildConfigChain", function() {
           fixture("nonexistant-fake", "src.js"),
         ],
       });
-      assert.notEqual(opts2, null);
+      expect(opts2).not.toBeNull();
 
       const opts3 = loadOptions({
         filename: fixture("nonexistant-fake", "folder", "src.js"),
@@ -553,7 +552,7 @@ describe("buildConfigChain", function() {
           fixture("nonexistant-fake", "folder"),
         ],
       });
-      assert.notEqual(opts3, null);
+      expect(opts3).not.toBeNull();
     });
 
     it("should allow negation of ignore", () => {
@@ -565,7 +564,7 @@ describe("buildConfigChain", function() {
           fixture("nonexistant-fake"),
         ],
       });
-      assert.equal(opts1, null);
+      expect(opts1).toBeNull();
 
       // Tests disabled pending https://github.com/babel/babel/issues/6907
       // const opts2 = loadOptions({
@@ -603,9 +602,9 @@ describe("buildConfigChain", function() {
         inputOpts.plugins = plugins2;
         const opts2 = loadOptions(inputOpts);
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.notEqual(opts1.plugins[0], opts2.plugins[1]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).not.toBe(opts2.plugins[1]);
       });
 
       it("should cache the env plugins by identity", () => {
@@ -628,9 +627,9 @@ describe("buildConfigChain", function() {
           },
         });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
       });
 
       it("should cache the env presets by identity", () => {
@@ -653,9 +652,9 @@ describe("buildConfigChain", function() {
           },
         });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
       });
 
       it("should cache the plugin options by identity", () => {
@@ -664,9 +663,9 @@ describe("buildConfigChain", function() {
         const opts1 = loadOptions({ plugins });
         const opts2 = loadOptions({ plugins });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
       });
 
       it("should cache the presets options by identity", () => {
@@ -675,9 +674,9 @@ describe("buildConfigChain", function() {
         const opts1 = loadOptions({ presets });
         const opts2 = loadOptions({ presets });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.strictEqual(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
       });
 
       it("should not cache the presets options with passPerPreset", () => {
@@ -687,11 +686,11 @@ describe("buildConfigChain", function() {
         const opts2 = loadOptions({ presets, passPerPreset: true });
         const opts3 = loadOptions({ presets, passPerPreset: false });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 0);
-        assert.equal(opts3.plugins.length, 1);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(0);
+        expect(opts3.plugins).toHaveLength(1);
 
-        assert.strictEqual(opts1.plugins[0], opts3.plugins[0]);
+        expect(opts1.plugins[0]).toBe(opts3.plugins[0]);
       });
     });
 
@@ -727,16 +726,16 @@ describe("buildConfigChain", function() {
         const opts3 = loadOptions({ filename });
         const opts4 = loadOptions({ filename });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
 
-        assert.equal(opts3.plugins.length, 1);
-        assert.equal(opts4.plugins.length, 1);
-        assert.equal(opts3.plugins[0], opts4.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
 
         // Identity changed after touch().
-        assert.notEqual(opts1.plugins[0], opts3.plugins[0]);
+        expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
       });
 
       it("should cache .babelrc files by mtime", () => {
@@ -761,16 +760,16 @@ describe("buildConfigChain", function() {
         const opts3 = loadOptions({ filename });
         const opts4 = loadOptions({ filename });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
 
-        assert.equal(opts3.plugins.length, 1);
-        assert.equal(opts4.plugins.length, 1);
-        assert.equal(opts3.plugins[0], opts4.plugins[0]);
+        expect(opts3.plugins).toHaveLength(1);
+        expect(opts4.plugins).toHaveLength(1);
+        expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
 
         // Identity changed after touch().
-        assert.notEqual(opts1.plugins[0], opts3.plugins[0]);
+        expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
       });
 
       it("should cache .babelrc.js files programmable behavior", () => {
@@ -787,16 +786,16 @@ describe("buildConfigChain", function() {
         const opts3 = loadOptions({ filename, envName: "new-env" });
         const opts4 = loadOptions({ filename, envName: "new-env" });
 
-        assert.equal(opts1.plugins.length, 1);
-        assert.equal(opts2.plugins.length, 1);
-        assert.equal(opts1.plugins[0], opts2.plugins[0]);
+        expect(opts1.plugins).toHaveLength(1);
+        expect(opts2.plugins).toHaveLength(1);
+        expect(opts1.plugins[0]).toBe(opts2.plugins[0]);
 
-        assert.equal(opts3.plugins.length, 1);
-        assert.equal(opts4.plugins.length, 1);
-        assert.equal(opts3.plugins[0], opts4.plugins[0]);
+        expect(opts3.plugins).toHaveLength(1);
+        expect(opts4.plugins).toHaveLength(1);
+        expect(opts3.plugins[0]).toBe(opts4.plugins[0]);
 
         // Identity changed with different .env
-        assert.notEqual(opts1.plugins[0], opts3.plugins[0]);
+        expect(opts1.plugins[0]).not.toBe(opts3.plugins[0]);
       });
     });
   });
@@ -815,7 +814,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.equal(opts.comments, false);
+      expect(opts.comments).toBe(false);
     });
 
     it("should not apply non-matching overrides over base configs", () => {
@@ -831,7 +830,7 @@ describe("buildConfigChain", function() {
         ],
       });
 
-      assert.equal(opts.comments, true);
+      expect(opts.comments).toBe(true);
     });
   });
 
@@ -861,7 +860,7 @@ describe("buildConfigChain", function() {
     it("should load .babelrc", () => {
       const filename = fixture("config-files", "babelrc", "src.js");
 
-      assert.deepEqual(loadOptions({ filename }), {
+      expect(loadOptions({ filename })).toEqual({
         ...getDefaults(),
         filename,
         comments: true,
@@ -871,7 +870,7 @@ describe("buildConfigChain", function() {
     it("should load .babelrc.js", () => {
       const filename = fixture("config-files", "babelrc-js", "src.js");
 
-      assert.deepEqual(loadOptions({ filename }), {
+      expect(loadOptions({ filename })).toEqual({
         ...getDefaults(),
         filename,
         comments: true,
@@ -881,7 +880,7 @@ describe("buildConfigChain", function() {
     it("should load package.json#babel", () => {
       const filename = fixture("config-files", "pkg", "src.js");
 
-      assert.deepEqual(loadOptions({ filename }), {
+      expect(loadOptions({ filename })).toEqual({
         ...getDefaults(),
         filename,
         comments: true,
@@ -891,14 +890,13 @@ describe("buildConfigChain", function() {
     it("should load .babelignore", () => {
       const filename = fixture("config-files", "babelignore", "src.js");
 
-      assert.deepEqual(loadOptions({ filename }), null);
+      expect(loadOptions({ filename })).toBeNull();
     });
 
     it("should throw if there are both .babelrc and .babelrc.js", () => {
       const filename = fixture("config-files", "both-babelrc", "src.js");
 
-      assert.throws(
-        () => loadOptions({ filename }),
+      expect(() => loadOptions({ filename })).toThrow(
         /Multiple configuration files found/,
       );
     });
@@ -906,8 +904,7 @@ describe("buildConfigChain", function() {
     it("should throw if there are both .babelrc and package.json", () => {
       const filename = fixture("config-files", "pkg-babelrc", "src.js");
 
-      assert.throws(
-        () => loadOptions({ filename }),
+      expect(() => loadOptions({ filename })).toThrow(
         /Multiple configuration files found/,
       );
     });
@@ -915,8 +912,7 @@ describe("buildConfigChain", function() {
     it("should throw if there are both .babelrc.js and package.json", () => {
       const filename = fixture("config-files", "pkg-babelrc-js", "src.js");
 
-      assert.throws(
-        () => loadOptions({ filename }),
+      expect(() => loadOptions({ filename })).toThrow(
         /Multiple configuration files found/,
       );
     });
@@ -924,7 +920,7 @@ describe("buildConfigChain", function() {
     it("should ignore package.json without a 'babel' property", () => {
       const filename = fixture("config-files", "pkg-ignored", "src.js");
 
-      assert.deepEqual(loadOptions({ filename }), {
+      expect(loadOptions({ filename })).toEqual({
         ...getDefaults(),
         filename,
         comments: true,
@@ -934,8 +930,7 @@ describe("buildConfigChain", function() {
     it("should show helpful errors for .babelrc", () => {
       const filename = fixture("config-files", "babelrc-error", "src.js");
 
-      assert.throws(
-        () => loadOptions({ filename }),
+      expect(() => loadOptions({ filename })).toThrow(
         /Error while parsing config - /,
       );
     });
@@ -943,14 +938,13 @@ describe("buildConfigChain", function() {
     it("should show helpful errors for .babelrc.js", () => {
       const filename = fixture("config-files", "babelrc-js-error", "src.js");
 
-      assert.throws(() => loadOptions({ filename }), /Babelrc threw an error/);
+      expect(() => loadOptions({ filename })).toThrow(/Babelrc threw an error/);
     });
 
     it("should show helpful errors for package.json", () => {
       const filename = fixture("config-files", "pkg-error", "src.js");
 
-      assert.throws(
-        () => loadOptions({ filename }),
+      expect(() => loadOptions({ filename })).toThrow(
         /Error while parsing JSON - /,
       );
     });
diff --git a/packages/babel-core/test/config-loading.js b/packages/babel-core/test/config-loading.js
index 130cdb386a9e..c2787f39c210 100644
--- a/packages/babel-core/test/config-loading.js
+++ b/packages/babel-core/test/config-loading.js
@@ -1,6 +1,5 @@
 import loadConfig from "../lib/config";
 import path from "path";
-import { expect } from "chai";
 
 describe("@babel/core config loading", () => {
   const FILEPATH = path.join(
@@ -41,7 +40,7 @@ describe("@babel/core config loading", () => {
       const opts = makeOpts();
 
       const options1 = loadConfig(opts).options;
-      expect(options1.plugins.map(p => p.key)).to.eql([
+      expect(options1.plugins.map(p => p.key)).toEqual([
         "plugin1",
         "plugin2",
         "plugin6",
@@ -51,16 +50,16 @@ describe("@babel/core config loading", () => {
       ]);
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options2.plugins.length; i++) {
-        expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+        expect(options2.plugins[i]).toBe(options1.plugins[i]);
       }
     });
 
     it("should load and cache the config for unique opts objects", () => {
       const options1 = loadConfig(makeOpts(true)).options;
-      expect(options1.plugins.map(p => p.key)).to.eql([
+      expect(options1.plugins.map(p => p.key)).toEqual([
         "plugin1",
         "plugin2",
         "plugin4",
@@ -68,10 +67,10 @@ describe("@babel/core config loading", () => {
       ]);
 
       const options2 = loadConfig(makeOpts(true)).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options2.plugins.length; i++) {
-        expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+        expect(options2.plugins[i]).toBe(options1.plugins[i]);
       }
     });
 
@@ -83,26 +82,26 @@ describe("@babel/core config loading", () => {
       process.env.INVALIDATE_PLUGIN1 = true;
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 0) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
 
       process.env.INVALIDATE_PLUGIN3 = true;
 
       const options3 = loadConfig(opts).options;
-      expect(options3.plugins.length).to.equal(options1.plugins.length);
+      expect(options3.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 0 || i === 5) {
-          expect(options3.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options3.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options3.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options3.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -115,26 +114,26 @@ describe("@babel/core config loading", () => {
       process.env.INVALIDATE_PRESET1 = true;
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 5) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
 
       process.env.INVALIDATE_PRESET2 = true;
 
       const options3 = loadConfig(opts).options;
-      expect(options3.plugins.length).to.equal(options1.plugins.length);
+      expect(options3.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 4 || i === 5) {
-          expect(options3.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options3.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options3.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options3.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -147,13 +146,13 @@ describe("@babel/core config loading", () => {
       process.env.INVALIDATE_BABELRC = true;
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 0 || i === 1 || i === 4 || i === 5 || i === 6) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -166,10 +165,10 @@ describe("@babel/core config loading", () => {
       const options1 = loadConfig(opts).options;
 
       const options2 = loadConfig(Object.assign({}, opts)).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options2.plugins.length; i++) {
-        expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+        expect(options2.plugins[i]).toBe(options1.plugins[i]);
       }
     });
 
@@ -182,13 +181,13 @@ describe("@babel/core config loading", () => {
         ...opts,
         plugins: opts.plugins.slice(),
       }).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options2.plugins.length; i++) {
         if (i === 2) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -202,13 +201,13 @@ describe("@babel/core config loading", () => {
         ...opts,
         presets: opts.presets.slice(),
       }).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options2.plugins.length; i++) {
         if (i === 3) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -221,13 +220,13 @@ describe("@babel/core config loading", () => {
       process.env.INVALIDATE_PLUGIN6 = true;
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 2) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
@@ -240,13 +239,13 @@ describe("@babel/core config loading", () => {
       process.env.INVALIDATE_PRESET3 = true;
 
       const options2 = loadConfig(opts).options;
-      expect(options2.plugins.length).to.equal(options1.plugins.length);
+      expect(options2.plugins.length).toBe(options1.plugins.length);
 
       for (let i = 0; i < options1.plugins.length; i++) {
         if (i === 3) {
-          expect(options2.plugins[i]).not.to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
         } else {
-          expect(options2.plugins[i]).to.equal(options1.plugins[i]);
+          expect(options2.plugins[i]).toBe(options1.plugins[i]);
         }
       }
     });
diff --git a/packages/babel-core/test/evaluation.js b/packages/babel-core/test/evaluation.js
index 5b1ea38b8011..2462b8c64e07 100644
--- a/packages/babel-core/test/evaluation.js
+++ b/packages/babel-core/test/evaluation.js
@@ -1,5 +1,4 @@
 import traverse from "@babel/traverse";
-import assert from "assert";
 import { parse } from "babylon";
 
 describe("evaluation", function() {
@@ -9,8 +8,8 @@ describe("evaluation", function() {
 
       visitor[type] = function(path) {
         const evaluate = path.evaluate();
-        assert.equal(evaluate.confident, !notConfident);
-        assert.deepEqual(evaluate.value, value);
+        expect(evaluate.confident).toEqual(!notConfident);
+        expect(evaluate.value).toEqual(value);
       };
 
       traverse(
diff --git a/packages/babel-core/test/fixtures/parse/output.json b/packages/babel-core/test/fixtures/parse/output.json
index 7c9e1c3f4d30..42395528d156 100644
--- a/packages/babel-core/test/fixtures/parse/output.json
+++ b/packages/babel-core/test/fixtures/parse/output.json
@@ -1,29 +1,29 @@
 {
   "type": "File",
   "start": 0,
-  "end": 90,
+  "end": 91,
   "loc": {
     "start": {
       "line": 1,
       "column": 0
     },
     "end": {
-      "line": 6,
-      "column": 1
+      "line": 7,
+      "column": 0
     }
   },
   "program": {
     "type": "Program",
     "start": 0,
-    "end": 90,
+    "end": 91,
     "loc": {
       "start": {
         "line": 1,
         "column": 0
       },
       "end": {
-        "line": 6,
-        "column": 1
+        "line": 7,
+        "column": 0
       }
     },
     "sourceType": "module",
diff --git a/packages/babel-core/test/fixtures/plugins/nested-if-alternate/exec.js b/packages/babel-core/test/fixtures/plugins/nested-if-alternate/exec.js
index 6bc6fccc2d7a..769189edddab 100644
--- a/packages/babel-core/test/fixtures/plugins/nested-if-alternate/exec.js
+++ b/packages/babel-core/test/fixtures/plugins/nested-if-alternate/exec.js
@@ -18,4 +18,4 @@ var res = transform('', {
   ],
 });
 
-assert.equal(eval(res.code), 23);
+expect(eval(res.code)).toBe(23);
diff --git a/packages/babel-core/test/fixtures/transformation/misc/regression-7064/exec.js b/packages/babel-core/test/fixtures/transformation/misc/regression-7064/exec.js
index 9b94389c6b51..c43064d0594a 100644
--- a/packages/babel-core/test/fixtures/transformation/misc/regression-7064/exec.js
+++ b/packages/babel-core/test/fixtures/transformation/misc/regression-7064/exec.js
@@ -2,20 +2,20 @@ class Bar {
   test() {
     // pass
     (() => {
-      assert.strictEqual(this.constructor, Bar);
+      expect(this.constructor).toBe(Bar);
     })();
 
     // pass
     (() => {
-      assert.strictEqual(this.constructor, Bar);
+      expect(this.constructor).toBe(Bar);
     }).call(this);
 
     (async () => {
-      assert.strictEqual(this.constructor, Bar);
+      expect(this.constructor).toBe(Bar);
     })();
 
     (async () => {
-      assert.strictEqual(this.constructor, Bar);
+      expect(this.constructor).toBe(Bar);
     }).call(this);
   }
 }
diff --git a/packages/babel-core/test/fixtures/transformation/regenerator/default-parameters/exec.js b/packages/babel-core/test/fixtures/transformation/regenerator/default-parameters/exec.js
index 571a83fe25dd..cbaba7dd4a74 100644
--- a/packages/babel-core/test/fixtures/transformation/regenerator/default-parameters/exec.js
+++ b/packages/babel-core/test/fixtures/transformation/regenerator/default-parameters/exec.js
@@ -2,5 +2,5 @@ function* foo(bar = "bar") {
   return bar;
 }
 
-assert.deepEqual(foo().next().value, "bar");
-assert.deepEqual(foo("foo").next().value, "foo");
+expect(foo().next().value).toBe("bar");
+expect(foo("foo").next().value).toBe("foo");
diff --git a/packages/babel-core/test/fixtures/transformation/regenerator/destructuring-parameters/exec.js b/packages/babel-core/test/fixtures/transformation/regenerator/destructuring-parameters/exec.js
index a434cfd15cc1..8212ec7af66f 100644
--- a/packages/babel-core/test/fixtures/transformation/regenerator/destructuring-parameters/exec.js
+++ b/packages/babel-core/test/fixtures/transformation/regenerator/destructuring-parameters/exec.js
@@ -2,4 +2,4 @@ function* foo({ bar }) {
   return bar;
 }
 
-assert(foo({ bar: "bar" }).next().value, "bar");
+expect(foo({ bar: "bar" }).next().value).toBe("bar");
diff --git a/packages/babel-core/test/fixtures/transformation/regenerator/destructuring/exec.js b/packages/babel-core/test/fixtures/transformation/regenerator/destructuring/exec.js
index f07586643a69..47138063fbc9 100644
--- a/packages/babel-core/test/fixtures/transformation/regenerator/destructuring/exec.js
+++ b/packages/babel-core/test/fixtures/transformation/regenerator/destructuring/exec.js
@@ -3,14 +3,14 @@ function* foo() {
   return bar;
 }
 
-assert.equal(foo().next().value, "bar");
+expect(foo().next().value).toBe("bar");;
 
 function* foo2({ bar = 0 }) {
   return bar;
 }
 
-assert.equal(foo2({ bar: undefined }).next().value, 0);
-assert.equal(foo2({ bar: 3 }).next().value, 3);
+expect(foo2({ bar: undefined }).next().value).toBe(0);
+expect(foo2({ bar: 3 }).next().value).toBe(3);
 
 function* foo3() {
   loop:
@@ -44,14 +44,14 @@ function* foo3() {
 
 var gen3 = foo3();
 
-assert.equal(gen3.next().value, "iteration");
-assert.equal(gen3.next({what: "one", value: 3}).done, false);
-assert.equal(gen3.next({what: "one", value: 2}).done, true);
+expect(gen3.next().value).toBe("iteration");
+expect(gen3.next({what: "one", value: 3}).done).toBe(false);
+expect(gen3.next({what: "one", value: 2}).done).toBe(true);
 
 var gen4 = foo3();
-assert.equal(gen4.next().value, "iteration");
-assert.equal(gen4.next({what: "two", value: "sometext"}).done, true);
+expect(gen4.next().value).toBe("iteration");
+expect(gen4.next({what: "two", value: "sometext"}).done).toBe(true);
 
 var gen5 = foo3();
-assert.equal(gen5.next().value, "iteration");
-assert.equal(gen5.next({what: "three"}).done, true);
+expect(gen5.next().value).toBe("iteration");
+expect(gen5.next({what: "three"}).done).toBe(true);
diff --git a/packages/babel-core/test/fixtures/transformation/regenerator/rest-parameters/exec.js b/packages/babel-core/test/fixtures/transformation/regenerator/rest-parameters/exec.js
index 22a902435d16..046f0c411f70 100644
--- a/packages/babel-core/test/fixtures/transformation/regenerator/rest-parameters/exec.js
+++ b/packages/babel-core/test/fixtures/transformation/regenerator/rest-parameters/exec.js
@@ -2,4 +2,4 @@ function* foo(...items) {
   return items;
 }
 
-assert.deepEqual(foo(1, 2, 3).next().value, [1, 2, 3]);
+expect(foo(1, 2, 3).next().value).toEqual([1, 2, 3]);
diff --git a/packages/babel-core/test/option-manager.js b/packages/babel-core/test/option-manager.js
index dd1d5df74ba4..774b4f01ed1a 100644
--- a/packages/babel-core/test/option-manager.js
+++ b/packages/babel-core/test/option-manager.js
@@ -1,14 +1,13 @@
-import assert from "assert";
 import { loadOptions } from "../lib";
 import path from "path";
 
 describe("option-manager", () => {
   it("throws for babel 5 plugin", () => {
-    return assert.throws(() => {
+    return expect(() => {
       loadOptions({
         plugins: [({ Plugin }) => new Plugin("object-assign", {})],
       });
-    }, /Babel 5 plugin is being run with an unsupported Babel/);
+    }).toThrow(/Babel 5 plugin is being run with an unsupported Babel/);
   });
 
   describe("config plugin/preset flattening and overriding", () => {
@@ -24,12 +23,12 @@ describe("option-manager", () => {
     it("should throw if a plugin is repeated", () => {
       const { calls, plugin } = makePlugin();
 
-      assert.throws(() => {
+      expect(() => {
         loadOptions({
           plugins: [plugin, plugin],
         });
-      }, /Duplicate plugin\/preset detected/);
-      assert.deepEqual(calls, []);
+      }).toThrow(/Duplicate plugin\/preset detected/);
+      expect(calls).toEqual([]);
     });
 
     it("should not throw if a repeated plugin has a different name", () => {
@@ -39,8 +38,8 @@ describe("option-manager", () => {
       loadOptions({
         plugins: [[plugin1, { arg: 1 }], [plugin2, { arg: 2 }, "some-name"]],
       });
-      assert.deepEqual(calls1, [{ arg: 1 }]);
-      assert.deepEqual(calls2, [{ arg: 2 }]);
+      expect(calls1).toEqual([{ arg: 1 }]);
+      expect(calls2).toEqual([{ arg: 2 }]);
     });
 
     it("should merge .env[] plugins with parent presets", () => {
@@ -56,19 +55,19 @@ describe("option-manager", () => {
           },
         },
       });
-      assert.deepEqual(calls1, [{ arg: 3 }]);
-      assert.deepEqual(calls2, [{ arg: 2 }]);
+      expect(calls1).toEqual([{ arg: 3 }]);
+      expect(calls2).toEqual([{ arg: 2 }]);
     });
 
     it("should throw if a preset is repeated", () => {
       const { calls, plugin: preset } = makePlugin();
 
-      assert.throws(() => {
+      expect(() => {
         loadOptions({
           presets: [preset, preset],
-        });
-      }, /Duplicate plugin\/preset detected/);
-      assert.deepEqual(calls, []);
+        }).toThrow(/Duplicate plugin\/preset detected/);
+      });
+      expect(calls).toEqual([]);
     });
 
     it("should not throw if a repeated preset has a different name", () => {
@@ -78,8 +77,8 @@ describe("option-manager", () => {
       loadOptions({
         presets: [[preset1, { arg: 1 }], [preset2, { arg: 2 }, "some-name"]],
       });
-      assert.deepEqual(calls1, [{ arg: 1 }]);
-      assert.deepEqual(calls2, [{ arg: 2 }]);
+      expect(calls1).toEqual([{ arg: 1 }]);
+      expect(calls2).toEqual([{ arg: 2 }]);
     });
 
     it("should merge .env[] presets with parent presets", () => {
@@ -95,8 +94,8 @@ describe("option-manager", () => {
           },
         },
       });
-      assert.deepEqual(calls1, [{ arg: 3 }]);
-      assert.deepEqual(calls2, [{ arg: 2 }]);
+      expect(calls1).toEqual([{ arg: 3 }]);
+      expect(calls2).toEqual([{ arg: 2 }]);
     });
 
     it("should not merge .env[] presets with parent presets when passPerPreset", () => {
@@ -113,41 +112,42 @@ describe("option-manager", () => {
           },
         },
       });
-      assert.deepEqual(calls1, [{ arg: 1 }, { arg: 3 }]);
-      assert.deepEqual(calls2, [{ arg: 2 }]);
+      expect(calls1).toEqual([{ arg: 1 }, { arg: 3 }]);
+      expect(calls2).toEqual([{ arg: 2 }]);
     });
   });
 
   describe("mergeOptions", () => {
     it("throws for removed babel 5 options", () => {
-      return assert.throws(() => {
+      return expect(() => {
         loadOptions({
           randomOption: true,
         });
-      }, /Unknown option: .randomOption/);
+      }).toThrow(/Unknown option: .randomOption/);
     });
 
     it("throws for removed babel 5 options", () => {
-      return assert.throws(
-        () => {
-          loadOptions({
-            auxiliaryComment: true,
-            blacklist: true,
-          });
-        },
+      return expect(() => {
+        loadOptions({
+          auxiliaryComment: true,
+          blacklist: true,
+        });
+      }).toThrow(
         // eslint-disable-next-line max-len
         /Using removed Babel 5 option: .auxiliaryComment - Use `auxiliaryCommentBefore` or `auxiliaryCommentAfter`/,
       );
     });
 
     it("throws for resolved but erroring preset", () => {
-      return assert.throws(() => {
+      return expect(() => {
         loadOptions({
           presets: [
             path.join(__dirname, "fixtures/option-manager/not-a-preset"),
           ],
         });
-      }, /While processing: .*option-manager(?:\/|\\\\)not-a-preset\.js/);
+      }).toThrow(
+        /While processing: .*option-manager(?:\/|\\\\)not-a-preset\.js/,
+      );
     });
   });
 
@@ -160,23 +160,21 @@ describe("option-manager", () => {
           ],
         });
 
-        assert.equal(true, Array.isArray(options.plugins));
-        assert.equal(1, options.plugins.length);
-        assert.equal(0, options.presets.length);
+        expect(Array.isArray(options.plugins)).toBe(true);
+        expect(options.plugins).toHaveLength(1);
+        expect(options.presets).toHaveLength(0);
       });
     }
 
     function presetThrowsTest(name, msg) {
       it(name, function() {
-        assert.throws(
-          () =>
-            loadOptions({
-              presets: [
-                path.join(__dirname, "fixtures/option-manager/presets", name),
-              ],
-            }),
-          msg,
-        );
+        expect(() =>
+          loadOptions({
+            presets: [
+              path.join(__dirname, "fixtures/option-manager/presets", name),
+            ],
+          }),
+        ).toThrow(msg);
       });
     }
 
diff --git a/packages/babel-core/test/parse.js b/packages/babel-core/test/parse.js
index 5663107f043b..f64ebe968ea7 100644
--- a/packages/babel-core/test/parse.js
+++ b/packages/babel-core/test/parse.js
@@ -1,4 +1,3 @@
-import assert from "assert";
 import fs from "fs";
 import path from "path";
 import { parse } from "../lib";
@@ -10,16 +9,20 @@ function fixture(...args) {
 describe("parse", function() {
   it("should parse using configuration from .babelrc when a filename is provided", function() {
     const input = fs.readFileSync(fixture("input.js"), "utf8");
-    const output = fs.readFileSync(fixture("output.json"), "utf8");
-    assert(
-      parse(input, { filename: fixture("input.js"), cwd: fixture() }),
-      output,
-    );
+    const output = require(fixture("output"));
+
+    const result = parse(input, {
+      filename: fixture("input.js"),
+      cwd: fixture(),
+    });
+    expect(JSON.parse(JSON.stringify(result))).toEqual(output);
   });
 
   it("should parse using passed in configuration", function() {
     const input = fs.readFileSync(fixture("input.js"), "utf8");
-    const output = fs.readFileSync(fixture("output.json"), "utf8");
-    assert(parse(input, { parserOpts: { plugins: ["decorators"] } }), output);
+    const output = require(fixture("output.json"));
+
+    const result = parse(input, { parserOpts: { plugins: ["decorators"] } });
+    expect(JSON.parse(JSON.stringify(result))).toEqual(output);
   });
 });
diff --git a/packages/babel-core/test/path.js b/packages/babel-core/test/path.js
index 7e68d893a051..eba8db9c1e8f 100644
--- a/packages/babel-core/test/path.js
+++ b/packages/babel-core/test/path.js
@@ -1,6 +1,5 @@
 import { transform } from "../lib/index";
 import Plugin from "../lib/config/plugin";
-import chai from "chai";
 
 describe("traversal path", function() {
   it("replaceWithSourceString", function() {
@@ -18,7 +17,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("console.whatever();");
+    expect(actualCode).toBe("console.whatever();");
   });
 
   it("replaceWith (arrow expression body to block statement body)", function() {
@@ -47,7 +46,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("var fn = () => {\n  return true;\n};");
+    expect(actualCode).toBe("var fn = () => {\n  return true;\n};");
   });
 
   it("replaceWith (arrow block statement body to expression body)", function() {
@@ -68,7 +67,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("var fn = () => true;");
+    expect(actualCode).toBe("var fn = () => true;");
   });
 
   it("replaceWith (for-in left expression to variable declaration)", function() {
@@ -98,7 +97,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("for (var KEY in right);");
+    expect(actualCode).toBe("for (var KEY in right);");
   });
 
   it("replaceWith (for-in left variable declaration to expression)", function() {
@@ -119,7 +118,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("for (KEY in right);");
+    expect(actualCode).toBe("for (KEY in right);");
   });
 
   it("replaceWith (for-loop left expression to variable declaration)", function() {
@@ -149,7 +148,7 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("for (var KEY;;);");
+    expect(actualCode).toBe("for (var KEY;;);");
   });
 
   it("replaceWith (for-loop left variable declaration to expression)", function() {
@@ -170,6 +169,6 @@ describe("traversal path", function() {
       ],
     }).code;
 
-    chai.expect(actualCode).to.be.equal("for (KEY;;);");
+    expect(actualCode).toBe("for (KEY;;);");
   });
 });
diff --git a/packages/babel-core/test/resolution.js b/packages/babel-core/test/resolution.js
index 685f1622f24d..7829af16cdb5 100644
--- a/packages/babel-core/test/resolution.js
+++ b/packages/babel-core/test/resolution.js
@@ -1,4 +1,3 @@
-import assert from "assert";
 import * as babel from "../lib/index";
 import path from "path";
 
@@ -238,102 +237,114 @@ describe("addon resolution", function() {
   it("should throw about module: usage for presets", function() {
     process.chdir("throw-module-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         presets: ["foo"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-preset-foo'.*\n- If you want to resolve "foo", use "module:foo"/);
+    }).toThrow(
+      /Cannot find module 'babel-preset-foo'.*\n- If you want to resolve "foo", use "module:foo"/,
+    );
   });
 
   it("should throw about module: usage for plugins", function() {
     process.chdir("throw-module-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         plugins: ["foo"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-plugin-foo'.*\n- If you want to resolve "foo", use "module:foo"/);
+    }).toThrow(
+      /Cannot find module 'babel-plugin-foo'.*\n- If you want to resolve "foo", use "module:foo"/,
+    );
   });
 
   it("should throw about @babel usage for presets", function() {
     process.chdir("throw-babel-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         presets: ["foo"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-preset-foo'.*\n- Did you mean "@babel\/foo"\?/);
+    }).toThrow(
+      /Cannot find module 'babel-preset-foo'.*\n- Did you mean "@babel\/foo"\?/,
+    );
   });
 
   it("should throw about @babel usage for plugins", function() {
     process.chdir("throw-babel-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         plugins: ["foo"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-plugin-foo'.*\n- Did you mean "@babel\/foo"\?/);
+    }).toThrow(
+      /Cannot find module 'babel-plugin-foo'.*\n- Did you mean "@babel\/foo"\?/,
+    );
   });
 
   it("should throw about passing a preset as a plugin", function() {
     process.chdir("throw-opposite-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         presets: ["testplugin"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-preset-testplugin'.*\n- Did you accidentally pass a preset as a plugin\?/);
+    }).toThrow(
+      /Cannot find module 'babel-preset-testplugin'.*\n- Did you accidentally pass a preset as a plugin\?/,
+    );
   });
 
   it("should throw about passing a plugin as a preset", function() {
     process.chdir("throw-opposite-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         plugins: ["testpreset"],
       });
       // eslint-disable-next-line max-len
-    }, /Cannot find module 'babel-plugin-testpreset'.*\n- Did you accidentally pass a plugin as a preset\?/);
+    }).toThrow(
+      /Cannot find module 'babel-plugin-testpreset'.*\n- Did you accidentally pass a plugin as a preset\?/,
+    );
   });
 
   it("should throw about missing presets", function() {
     process.chdir("throw-missing-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         presets: ["foo"],
       });
-    }, /Cannot find module 'babel-preset-foo'/);
+    }).toThrow(/Cannot find module 'babel-preset-foo'/);
   });
 
   it("should throw about missing plugins", function() {
     process.chdir("throw-missing-paths");
 
-    assert.throws(() => {
+    expect(() => {
       babel.transform("", {
         filename: "filename.js",
         babelrc: false,
         plugins: ["foo"],
       });
-    }, /Cannot find module 'babel-plugin-foo'/);
+    }).toThrow(/Cannot find module 'babel-plugin-foo'/);
   });
 });
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 76eaacc36ecc..71a3f9e5e531 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -24,6 +24,7 @@ const testContext = vm.createContext({
   transform: babel.transform,
   setTimeout: setTimeout,
   setImmediate: setImmediate,
+  expect,
 });
 testContext.global = testContext;
 

From 3a7881379a28e47dbd0afcb429bcf3f10a5297ba Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel.tschinder@researchgate.net>
Date: Sat, 10 Mar 2018 11:48:09 +0100
Subject: [PATCH 107/140] jest: ToEqual -> toBe

---
 packages/babel-core/test/api.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index bb060ad22b14..101a184089c9 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -259,7 +259,7 @@ describe("api", function() {
 
     expect(aliasBaseType).toBe("NumberTypeAnnotation");
 
-    expect(result.code).toEqual("var x = function x(y) {\n  return y;\n};");
+    expect(result.code).toBe("var x = function x(y) {\n  return y;\n};");
 
     // 2. passPerPreset: false
 
@@ -269,7 +269,7 @@ describe("api", function() {
 
     expect(aliasBaseType).toBeNull();
 
-    expect(result.code).toEqual("var x = function x(y) {\n  return y;\n};");
+    expect(result.code).toBe("var x = function x(y) {\n  return y;\n};");
   });
 
   it("complex plugin and preset ordering", function() {

From c14a6a7735a8acb7b21593144e2d66ebd4a62d6b Mon Sep 17 00:00:00 2001
From: ngohoangthang <ukown2309@gmail.com>
Date: Sun, 11 Mar 2018 20:12:34 +0800
Subject: [PATCH 108/140] Fix "ran" to "run" for monorepo.md (#7547) [skip ci]

---
 doc/design/monorepo.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/design/monorepo.md b/doc/design/monorepo.md
index e8544bfcee9b..d10cc9741b76 100644
--- a/doc/design/monorepo.md
+++ b/doc/design/monorepo.md
@@ -15,7 +15,7 @@ This is quite taboo but let's look at the pros and cons:
  * Easy to coordinate changes across modules.
  * Single place to report issues.
  * Easier to setup a development environment.
- * Tests across modules are ran together which finds bugs that touch multiple modules easier.
+ * Tests across modules are run together which finds bugs that touch multiple modules easier.
 
 **Cons:**
 

From 29807837bb8b15e1610f1f798ac6ff2bc0e4fa8e Mon Sep 17 00:00:00 2001
From: Yael Hermon <yaelhe@wix.com>
Date: Sun, 11 Mar 2018 23:29:22 +0200
Subject: [PATCH 109/140] preset-env - add Symbol.asyncIterator to
 shippedProposals builtIns (#7548)

* preset-env - add Symbol.asyncIterator to shippedProposals builtins

* fix typo
---
 packages/babel-preset-env/README.md                         | 1 +
 packages/babel-preset-env/data/built-ins.json               | 6 ++++++
 packages/babel-preset-env/data/shipped-proposals.js         | 3 ++-
 packages/babel-preset-env/src/built-in-definitions.js       | 2 +-
 .../debug-fixtures/shippedProposals-chrome60/stdout.txt     | 1 +
 .../test/debug-fixtures/shippedProposals/stdout.txt         | 1 +
 .../shippedProposals-use-builtins-usage/output.js           | 2 ++
 7 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/babel-preset-env/README.md b/packages/babel-preset-env/README.md
index 945752b72f63..3bb7ec199135 100644
--- a/packages/babel-preset-env/README.md
+++ b/packages/babel-preset-env/README.md
@@ -412,6 +412,7 @@ The following are currently supported:
 **Builtins**
 
 - [Promise.prototype.finally](https://github.com/tc39/proposal-promise-finally)
+- [Symbol.asyncIterator](https://github.com/tc39/proposal-async-iteration)
 
 **Features**
 
diff --git a/packages/babel-preset-env/data/built-ins.json b/packages/babel-preset-env/data/built-ins.json
index 42453508aeb9..2ba4db1f1426 100644
--- a/packages/babel-preset-env/data/built-ins.json
+++ b/packages/babel-preset-env/data/built-ins.json
@@ -1151,5 +1151,11 @@
     "firefox": "58",
     "safari": "11.1",
     "opera": "50"
+  },
+  "es7.symbol.async-iterator": {
+    "chrome": "63",
+    "firefox": "57",
+    "safari": "tp",
+    "opera": "50"
   }
 }
diff --git a/packages/babel-preset-env/data/shipped-proposals.js b/packages/babel-preset-env/data/shipped-proposals.js
index 09f7e5071a92..d63e07f3cfc0 100644
--- a/packages/babel-preset-env/data/shipped-proposals.js
+++ b/packages/babel-preset-env/data/shipped-proposals.js
@@ -2,7 +2,8 @@
 // shipped by browsers, and are enabled by the `shippedProposals` option.
 
 const builtIns = {
-  "es7.promise.finally": "Promise.prototype.finally"
+  "es7.promise.finally": "Promise.prototype.finally",
+  "es7.symbol.async-iterator": "Asynchronous Iterators",
 };
 
 const features = {
diff --git a/packages/babel-preset-env/src/built-in-definitions.js b/packages/babel-preset-env/src/built-in-definitions.js
index 49c92f33c037..7153a5ccdc10 100644
--- a/packages/babel-preset-env/src/built-in-definitions.js
+++ b/packages/babel-preset-env/src/built-in-definitions.js
@@ -16,7 +16,7 @@ export const definitions = {
     WeakMap: "es6.weak-map",
     WeakSet: "es6.weak-set",
     Promise: ["es6.object.to-string", "es6.promise"],
-    Symbol: "es6.symbol",
+    Symbol: ["es6.symbol", "es7.symbol.async-iterator"],
   },
 
   instanceMethods: {
diff --git a/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
index 245a483f2cc5..c6f1945e6189 100644
--- a/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/stdout.txt
@@ -19,6 +19,7 @@ Using polyfills with `entry` option:
 [src/in.js] Replaced `@babel/polyfill` with the following polyfills:
   es6.array.sort { "chrome":"60" }
   es7.promise.finally { "chrome":"60" }
+  es7.symbol.async-iterator { "chrome":"60" }
   web.timers { "chrome":"60" }
   web.immediate { "chrome":"60" }
   web.dom.iterable { "chrome":"60" }
diff --git a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
index 2995fc33cdfa..a3932e2a7ebf 100644
--- a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
@@ -150,6 +150,7 @@ Using polyfills with `entry` option:
   es7.string.pad-start {}
   es7.string.pad-end {}
   es7.promise.finally {}
+  es7.symbol.async-iterator {}
   web.timers {}
   web.immediate {}
   web.dom.iterable {}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
index 7700a7184205..3f72aaa90249 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/shippedProposals-use-builtins-usage/output.js
@@ -8,6 +8,8 @@ require("core-js/modules/es6.array.index-of");
 
 require("regenerator-runtime/runtime");
 
+require("core-js/modules/es7.symbol.async-iterator");
+
 require("core-js/modules/es6.symbol");
 
 require("core-js/modules/es6.promise");

From 9d2d499760b72c101e77ada84b18dc5ff5dd7b77 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Mon, 12 Mar 2018 11:03:03 +0100
Subject: [PATCH 110/140] Replace lodash/map with array equivalent (#7550)

* Replace lodash/map with array equivalent

* Fix review comments
---
 packages/babel-generator/src/node/whitespace.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/babel-generator/src/node/whitespace.js b/packages/babel-generator/src/node/whitespace.js
index 63770fa36f00..ecc467b6cf85 100644
--- a/packages/babel-generator/src/node/whitespace.js
+++ b/packages/babel-generator/src/node/whitespace.js
@@ -1,4 +1,3 @@
-import map from "lodash/map";
 import * as t from "@babel/types";
 
 type WhitespaceObject = {
@@ -220,7 +219,7 @@ export const list = {
    */
 
   VariableDeclaration(node: Object): Array<Object> {
-    return map(node.declarations, "init");
+    return node.declarations.map(decl => decl.init);
   },
 
   /**

From bdd70c37e07290458b1d3c1b55fc13ac954e6ac5 Mon Sep 17 00:00:00 2001
From: Haroen Viaene <fingebimus@me.com>
Date: Mon, 12 Mar 2018 19:10:24 +0100
Subject: [PATCH 111/140] docs(babel-standalone): remove bower mention (#6588)

* docs(babel-standalone): remove bower mention

Since the package won't be downloadable as `@babel/standalone` it's best to just remove it, since it's pretty much deprecated as is. I left the other mention of babel-standalone-bower since I guess that's just the name and still useful in other cases

cc @daniel15

reported in https://github.com/babel/babel/pull/6495#pullrequestreview-70980926

* Update README.md
---
 packages/babel-standalone/README.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/babel-standalone/README.md b/packages/babel-standalone/README.md
index 3b00488a411f..16a6851e6dd8 100644
--- a/packages/babel-standalone/README.md
+++ b/packages/babel-standalone/README.md
@@ -19,7 +19,6 @@ Installation
 There are several ways to get a copy of @babel/standalone. Pick whichever one you like:
 
 - Use it via UNPKG: https://unpkg.com/@babel/standalone/babel.min.js. This is a simple way to embed it on a webpage without having to do any other setup.
-- Install via Bower: `bower install @babel/standalone`
 - Install via NPM: `npm install --save @babel/standalone`
 - Manually grab `babel.js` and/or `babel.min.js` from the [GitHub releases page](https://github.com/Daniel15/babel-standalone/releases). Every release includes these files.
 - Install it via Git: You can use the repo at https://github.com/Daniel15/babel-standalone-bower to pull a prebuilt version from Git. Note that this is generally only advised for systems that *must* pull artifacts from Git, such as Bower.

From 353d3199c2c70c4882421914fe345bc5c00325f9 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Mon, 12 Mar 2018 15:12:39 -0700
Subject: [PATCH 112/140] Re-add TEST_ONLY and use Jest's -t for TEST_GREP.
 (#7556)

---
 scripts/test.sh | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/scripts/test.sh b/scripts/test.sh
index 04abbb17a3aa..c5cb866956b7 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -1,20 +1,26 @@
 #!/bin/bash
 set -e
 
-if [ -z "$TEST_GREP" ]; then
-   TEST_GREP=""
-fi
-
 node="node"
-jestArgs=""
+jestArgs=()
 
 if [ "$TEST_DEBUG" ]; then
   node="node --inspect-brk"
-  jestArgs="${jestArgs} --runInBand"
+  jestArgs+=("--runInBand")
 fi
 
 if [ -n "$CI" ]; then
-  jestArgs="${jestArgs} --maxWorkers=4 --ci"
+  jestArgs+=("--maxWorkers=4")
+  jestArgs+=("--ci")
+fi
+
+if [ -n "$TEST_GREP" ]; then
+  jestArgs+=("-t")
+  jestArgs+=("$TEST_GREP")
+fi
+
+if [ -n "$TEST_ONLY" ]; then
+  jestArgs+=("packages/.*$TEST_ONLY.*/test")
 fi
 
-$node node_modules/.bin/jest $jestArgs "$TEST_GREP"
+$node node_modules/.bin/jest "${jestArgs[@]}"

From dfb3795a975dc6ad252d78d56d8c5ebdbe057f67 Mon Sep 17 00:00:00 2001
From: Yael Hermon <yaelhe@wix.com>
Date: Tue, 13 Mar 2018 03:49:52 +0200
Subject: [PATCH 113/140] update preset-env after build-data (#7543)

---
 packages/babel-preset-env/data/built-in-modules.json  | 1 +
 packages/babel-preset-env/data/plugins.json           | 3 ++-
 packages/babel-preset-env/test/targets-parser.spec.js | 4 ++++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/babel-preset-env/data/built-in-modules.json b/packages/babel-preset-env/data/built-in-modules.json
index 9cab30106fc5..c2d05dbd7135 100644
--- a/packages/babel-preset-env/data/built-in-modules.json
+++ b/packages/babel-preset-env/data/built-in-modules.json
@@ -1,6 +1,7 @@
 {
   "es6.module": {
     "edge": "16",
+    "firefox": "60",
     "chrome": "61",
     "safari": "10.1",
     "ios_saf": "10.3"
diff --git a/packages/babel-preset-env/data/plugins.json b/packages/babel-preset-env/data/plugins.json
index c1020cfb92e5..fccca0e457e7 100644
--- a/packages/babel-preset-env/data/plugins.json
+++ b/packages/babel-preset-env/data/plugins.json
@@ -234,7 +234,8 @@
     "firefox": "55",
     "safari": "11.1",
     "node": "8.3",
-    "opera": "47"
+    "opera": "47",
+    "electron": "2"
   },
   "proposal-optional-catch-binding": {
     "chrome": "66",
diff --git a/packages/babel-preset-env/test/targets-parser.spec.js b/packages/babel-preset-env/test/targets-parser.spec.js
index 57b971be399d..ae000a2b6e2e 100644
--- a/packages/babel-preset-env/test/targets-parser.spec.js
+++ b/packages/babel-preset-env/test/targets-parser.spec.js
@@ -87,6 +87,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           edge: "16.0.0",
         },
@@ -102,6 +103,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           edge: "16.0.0",
         },
@@ -117,6 +119,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           ie: "11.0.0",
           edge: "16.0.0",
@@ -137,6 +140,7 @@ describe("getTargets", () => {
           ios: "10.3.0",
           ie: "11.0.0",
           edge: "16.0.0",
+          firefox: "60.0.0",
         },
       );
     });

From 6ff91cfdae527f5d524a35faa789190643b2d561 Mon Sep 17 00:00:00 2001
From: Sven SAULEAU <contact@xtuc.fr>
Date: Tue, 13 Mar 2018 13:21:34 +0100
Subject: [PATCH 114/140] docs: [skip ci] fix proposal link text

---
 packages/babel-plugin-proposal-throw-expressions/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-plugin-proposal-throw-expressions/README.md b/packages/babel-plugin-proposal-throw-expressions/README.md
index ee7756895e4d..5ffb4de615e2 100644
--- a/packages/babel-plugin-proposal-throw-expressions/README.md
+++ b/packages/babel-plugin-proposal-throw-expressions/README.md
@@ -44,4 +44,4 @@ require("@babel/core").transform("code", {
 
 ## References
 
-* [Proposal: Numeric Separators](https://github.com/tc39/proposal-throw-expressions)
+* [Proposal: ECMAScript throw expressions](https://github.com/tc39/proposal-throw-expressions)

From a7ec312cfe34400551169ab2fd494708b8b81507 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Tue, 13 Mar 2018 14:53:37 +0100
Subject: [PATCH 115/140] Run node 9 on circleci and remove from travis (#7560)

---
 .circleci/config.yml | 2 +-
 .travis.yml          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1ba000f3f950..79b85e29f536 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -39,7 +39,7 @@ jobs:
   build:
     working_directory: ~/babel
     docker:
-      - image: circleci/node:8
+      - image: circleci/node:9
     steps:
       - checkout
       - restore-cache: *restore-yarn-cache
diff --git a/.travis.yml b/.travis.yml
index 229595728a26..43aa9e525bd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ cache:
   directories:
   - node_modules
 node_js:
-  - '9'
+  # We test the latest version on circleci
   - '8'
   - '6'
   - '4'

From 1d69cd41ca3c9c997f237224a89c910ca46cb96b Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Tue, 13 Mar 2018 19:31:32 +0100
Subject: [PATCH 116/140] Fix import of type ConfigItem (#7561)

It is also exported as type
---
 packages/babel-core/src/config/validation/options.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-core/src/config/validation/options.js b/packages/babel-core/src/config/validation/options.js
index e0e855d72035..290d326d5bd2 100644
--- a/packages/babel-core/src/config/validation/options.js
+++ b/packages/babel-core/src/config/validation/options.js
@@ -1,6 +1,6 @@
 // @flow
 
-import { ConfigItem } from "../item";
+import type { ConfigItem } from "../item";
 import Plugin from "../plugin";
 
 import removed from "./removed";

From 270ea17fed929964a1ff8050b24261b89a07589b Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Wed, 14 Mar 2018 12:25:26 -0400
Subject: [PATCH 117/140] v7.0.0-beta.41

---
 .../package.json                              |  10 +-
 lerna.json                                    |  17 +-
 packages/babel-cli/package.json               |   8 +-
 packages/babel-code-frame/package.json        |   4 +-
 packages/babel-core/package.json              |  20 +-
 packages/babel-generator/package.json         |   8 +-
 .../package.json                              |   4 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   4 +-
 .../babel-helper-call-delegate/package.json   |   8 +-
 packages/babel-helper-define-map/package.json |   6 +-
 .../package.json                              |   6 +-
 .../babel-helper-explode-class/package.json   |   8 +-
 packages/babel-helper-fixtures/package.json   |   2 +-
 .../babel-helper-function-name/package.json   |   8 +-
 .../package.json                              |   4 +-
 .../babel-helper-hoist-variables/package.json |   4 +-
 .../babel-helper-module-imports/package.json  |   6 +-
 .../package.json                              |  12 +-
 .../package.json                              |   4 +-
 .../package.json                              |   4 +-
 .../babel-helper-plugin-utils/package.json    |   2 +-
 packages/babel-helper-regex/package.json      |   2 +-
 .../package.json                              |  12 +-
 .../babel-helper-replace-supers/package.json  |  10 +-
 .../babel-helper-simple-access/package.json   |   6 +-
 .../package.json                              |   4 +-
 .../package.json                              |  10 +-
 .../babel-helper-wrap-function/package.json   |  10 +-
 packages/babel-helpers/package.json           |  10 +-
 packages/babel-highlight/package.json         |   2 +-
 packages/babel-node/package.json              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  18 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../babel-plugin-syntax-flow/package.json     |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 packages/babel-plugin-syntax-jsx/package.json |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  22 +--
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  16 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  13 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 packages/babel-polyfill/package.json          |   2 +-
 .../babel-preset-env-standalone/package.json  |   8 +-
 packages/babel-preset-env/package.json        |  82 ++++-----
 packages/babel-preset-es2015/package.json     |  60 +++---
 packages/babel-preset-es2016/package.json     |  10 +-
 packages/babel-preset-es2017/package.json     |  10 +-
 packages/babel-preset-flow/package.json       |  12 +-
 packages/babel-preset-react/package.json      |  22 +--
 packages/babel-preset-stage-0/package.json    |  14 +-
 packages/babel-preset-stage-1/package.json    |  22 +--
 packages/babel-preset-stage-2/package.json    |  18 +-
 packages/babel-preset-stage-3/package.json    |  22 +--
 packages/babel-preset-typescript/package.json |  10 +-
 packages/babel-register/package.json          |   6 +-
 packages/babel-runtime/package.json           |  12 +-
 packages/babel-standalone/package.json        | 174 +++++++++---------
 packages/babel-template/package.json          |   8 +-
 packages/babel-traverse/package.json          |  16 +-
 packages/babel-types/package.json             |   6 +-
 packages/babylon/package.json                 |   4 +-
 140 files changed, 857 insertions(+), 851 deletions(-)

diff --git a/codemods/babel-plugin-codemod-optional-catch-binding/package.json b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
index f3240d1c46c8..32023873c32c 100644
--- a/codemods/babel-plugin-codemod-optional-catch-binding/package.json
+++ b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-codemod-optional-catch-binding",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Remove unused catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-remove-unused-catch-binding",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "@babel/plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40"
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/lerna.json b/lerna.json
index 457e7a1ac25a..5c34f03c73a2 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "lerna": "2.0.0-rc.4",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "changelog": {
     "repo": "babel/babel",
     "labels": {
@@ -16,10 +16,19 @@
   "cacheDir": ".changelog",
   "commands": {
     "publish": {
-      "ignore": ["*.md", "test/**", "codemods/**"]
+      "ignore": [
+        "*.md",
+        "test/**",
+        "codemods/**"
+      ]
     }
   },
-  "packages": ["packages/*", "codemods/*"],
+  "packages": [
+    "packages/*",
+    "codemods/*"
+  ],
   "npmClient": "yarn",
-  "npmClientArgs": ["--no-lockfile"]
+  "npmClientArgs": [
+    "--no-lockfile"
+  ]
 }
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index 33153874c0c2..17ced5541525 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/cli",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel command line.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -29,11 +29,11 @@
     "chokidar": "^1.6.1"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-fixtures": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-fixtures": "7.0.0-beta.41"
   },
   "bin": {
     "babel": "./bin/babel.js",
diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index 79c5a010e708..6e167936c77f 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/code-frame",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Generate errors that contain a code frame that point to source locations.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,7 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-code-frame",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/highlight": "7.0.0-beta.40"
+    "@babel/highlight": "7.0.0-beta.41"
   },
   "devDependencies": {
     "chalk": "^2.0.0",
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 49442ef7802b..17e134c693b8 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/core",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel compiler core.",
   "main": "./lib/index.js",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
@@ -28,13 +28,13 @@
     "./lib/transform-file-sync.js": "./lib/transform-file-sync-browser.js"
   },
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.40",
-    "@babel/generator": "7.0.0-beta.40",
-    "@babel/helpers": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
-    "babylon": "7.0.0-beta.40",
+    "@babel/code-frame": "7.0.0-beta.41",
+    "@babel/generator": "7.0.0-beta.41",
+    "@babel/helpers": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.41",
     "convert-source-map": "^1.1.0",
     "debug": "^3.1.0",
     "json5": "^0.5.0",
@@ -45,7 +45,7 @@
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40",
-    "@babel/register": "7.0.0-beta.40"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41",
+    "@babel/register": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index 1ebdfca364ec..5ab0360587ad 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/generator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turns an AST into code.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -11,14 +11,14 @@
     "lib"
   ],
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.41",
     "jsesc": "^2.5.1",
     "lodash": "^4.2.0",
     "source-map": "^0.5.0",
     "trim-right": "^1.0.1"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.40",
-    "babylon": "7.0.0-beta.40"
+    "@babel/helper-fixtures": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-annotate-as-pure/package.json b/packages/babel-helper-annotate-as-pure/package.json
index 80f0a8b32702..b5245f65f187 100644
--- a/packages/babel-helper-annotate-as-pure/package.json
+++ b/packages/babel-helper-annotate-as-pure/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-annotate-as-pure",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to annotate paths and nodes with #__PURE__ comment",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-annotate-as-pure",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-bindify-decorators/package.json b/packages/babel-helper-bindify-decorators/package.json
index 8ab5619b000a..ff29e219aed5 100644
--- a/packages/babel-helper-bindify-decorators/package.json
+++ b/packages/babel-helper-bindify-decorators/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-bindify-decorators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to bindify decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-bindify-decorators",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
index ee72fe4ec858..e467fb68bc4b 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-binary-assignment-operator-visitor",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to build binary assignment operator visitors",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-binary-assignment-operator-visitor",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-explode-assignable-expression": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-explode-assignable-expression": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index 2f3ce2e8becd..53d6bb7ce4d7 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-react-jsx",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to build react jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-react-jsx",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.41",
     "esutils": "^2.0.0"
   }
 }
diff --git a/packages/babel-helper-call-delegate/package.json b/packages/babel-helper-call-delegate/package.json
index 90e086742457..e7d809e8db47 100644
--- a/packages/babel-helper-call-delegate/package.json
+++ b/packages/babel-helper-call-delegate/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-call-delegate",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to call delegate",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-call-delegate",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-hoist-variables": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-hoist-variables": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index d505b0be3570..4bab8be94ce8 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-define-map",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to define a map",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-define-map",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-explode-assignable-expression/package.json b/packages/babel-helper-explode-assignable-expression/package.json
index b1fde499f4d8..b34c3561fed1 100644
--- a/packages/babel-helper-explode-assignable-expression/package.json
+++ b/packages/babel-helper-explode-assignable-expression/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-explode-assignable-expression",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to explode an assignable expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-assignable-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-explode-class/package.json b/packages/babel-helper-explode-class/package.json
index 38219b56e44b..093fb8246f82 100644
--- a/packages/babel-helper-explode-class/package.json
+++ b/packages/babel-helper-explode-class/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-explode-class",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to explode class",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-class",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-bindify-decorators": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-bindify-decorators": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index 8dde1a183610..6bcf9e1556ce 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-fixtures",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to support fixtures",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "license": "MIT",
diff --git a/packages/babel-helper-function-name/package.json b/packages/babel-helper-function-name/package.json
index b313b410a7ea..0461b83c6633 100644
--- a/packages/babel-helper-function-name/package.json
+++ b/packages/babel-helper-function-name/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-function-name",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to change the property 'name' of every function",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-function-name",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-get-function-arity": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-get-function-arity": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-get-function-arity/package.json b/packages/babel-helper-get-function-arity/package.json
index 74ec3dee883c..2aa416e20499 100644
--- a/packages/babel-helper-get-function-arity/package.json
+++ b/packages/babel-helper-get-function-arity/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-get-function-arity",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to get function arity",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-get-function-arity",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-hoist-variables/package.json b/packages/babel-helper-hoist-variables/package.json
index 7191891f052a..f5f6d39d55ae 100644
--- a/packages/babel-helper-hoist-variables/package.json
+++ b/packages/babel-helper-hoist-variables/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-hoist-variables",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to hoist variables",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-hoist-variables",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-module-imports/package.json b/packages/babel-helper-module-imports/package.json
index 7a6c5f7e5158..2a27f0d5b2fc 100644
--- a/packages/babel-helper-module-imports/package.json
+++ b/packages/babel-helper-module-imports/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-imports",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel helper functions for inserting module loads",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-imports",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/types": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index bf3ab72d145d..3263b3b7ef43 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-transforms",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel helper functions for implementing ES6 module transformations",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,11 +8,11 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-transforms",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.40",
-    "@babel/helper-simple-access": "7.0.0-beta.40",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/helper-module-imports": "7.0.0-beta.41",
+    "@babel/helper-simple-access": "7.0.0-beta.41",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-optimise-call-expression/package.json b/packages/babel-helper-optimise-call-expression/package.json
index da151c7d25e4..8f6d70289621 100644
--- a/packages/babel-helper-optimise-call-expression/package.json
+++ b/packages/babel-helper-optimise-call-expression/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-optimise-call-expression",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to optimise call expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-optimise-call-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-plugin-test-runner/package.json b/packages/babel-helper-plugin-test-runner/package.json
index 54e2b05ee85c..fa1cfdb1fd50 100644
--- a/packages/babel-helper-plugin-test-runner/package.json
+++ b/packages/babel-helper-plugin-test-runner/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-plugin-test-runner",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to support test runner",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-plugin-test-runner",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-plugin-utils/package.json b/packages/babel-helper-plugin-utils/package.json
index e49ccf367254..af1b226a3152 100644
--- a/packages/babel-helper-plugin-utils/package.json
+++ b/packages/babel-helper-plugin-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-plugin-utils",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "General utilities for plugins to use",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-helper-regex/package.json b/packages/babel-helper-regex/package.json
index d1d0ad726df9..19805ed73e97 100644
--- a/packages/babel-helper-regex/package.json
+++ b/packages/babel-helper-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-regex",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to check for literal RegEx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-regex",
   "license": "MIT",
diff --git a/packages/babel-helper-remap-async-to-generator/package.json b/packages/babel-helper-remap-async-to-generator/package.json
index ff7c15f90592..a0513e6d8cd4 100644
--- a/packages/babel-helper-remap-async-to-generator/package.json
+++ b/packages/babel-helper-remap-async-to-generator/package.json
@@ -1,15 +1,15 @@
 {
   "name": "@babel/helper-remap-async-to-generator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to remap async functions to generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-remap-async-to-generator",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.40",
-    "@babel/helper-wrap-function": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
+    "@babel/helper-wrap-function": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-replace-supers/package.json b/packages/babel-helper-replace-supers/package.json
index 1a688690a6cb..f4163d0eca85 100644
--- a/packages/babel-helper-replace-supers/package.json
+++ b/packages/babel-helper-replace-supers/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-replace-supers",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper function to replace supers",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-replace-supers",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-simple-access/package.json b/packages/babel-helper-simple-access/package.json
index 8765ec88bab1..5a15b79b2958 100644
--- a/packages/babel-helper-simple-access/package.json
+++ b/packages/babel-helper-simple-access/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-simple-access",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel helper for ensuring that access to a given value is performed through simple accesses",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,8 +8,8 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-simple-access",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-split-export-declaration/package.json b/packages/babel-helper-split-export-declaration/package.json
index eb4dd125cfe6..b50daf6dee26 100644
--- a/packages/babel-helper-split-export-declaration/package.json
+++ b/packages/babel-helper-split-export-declaration/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-split-export-declaration",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-split-export-declaration",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index f513856e2c30..8a9f32916f06 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-transform-fixture-test-runner",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transform test runner for @babel/helper-fixtures module",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-transform-fixture-test-runner",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.40",
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-fixtures": "7.0.0-beta.40",
-    "@babel/polyfill": "7.0.0-beta.40",
+    "@babel/code-frame": "7.0.0-beta.41",
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-fixtures": "7.0.0-beta.41",
+    "@babel/polyfill": "7.0.0-beta.41",
     "chai": "^4.1.0",
     "jest": "^22.4.2",
     "jest-diff": "^22.4.0",
diff --git a/packages/babel-helper-wrap-function/package.json b/packages/babel-helper-wrap-function/package.json
index 5099c925396a..7f46de0d9e3d 100644
--- a/packages/babel-helper-wrap-function/package.json
+++ b/packages/babel-helper-wrap-function/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-wrap-function",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Helper to wrap functions inside a function call.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-wrap-function",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-helpers/package.json b/packages/babel-helpers/package.json
index 399766e9e6e3..ef130edecd1c 100644
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helpers",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Collection of helper functions used by Babel transforms.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,11 +8,11 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helpers",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
index bdc9d1d2804b..ba8b5847448d 100644
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/highlight",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Syntax highlight JavaScript strings for output in terminals.",
   "author": "suchipi <me@suchipi.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-node/package.json b/packages/babel-node/package.json
index 55f69e4b70cf..0a3aeba364ee 100644
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/node",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel command line",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -16,8 +16,8 @@
     "compiler"
   ],
   "dependencies": {
-    "@babel/polyfill": "7.0.0-beta.40",
-    "@babel/register": "7.0.0-beta.40",
+    "@babel/polyfill": "7.0.0-beta.41",
+    "@babel/register": "7.0.0-beta.41",
     "commander": "^2.8.1",
     "fs-readdir-recursive": "^1.0.0",
     "lodash": "^4.2.0",
@@ -25,11 +25,11 @@
     "v8flags": "^3.0.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-fixtures": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-fixtures": "7.0.0-beta.41"
   },
   "bin": {
     "babel-node": "./bin/babel-node.js"
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index c03340a7c655..6d3078016fbf 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-external-helpers",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin contains helper functions that’ll be placed at the top of the generated code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-external-helpers",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 9d47213a843d..d6b46e7f7673 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-async-generator-functions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn async generator functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-async-generator-functions",
   "license": "MIT",
@@ -9,17 +9,17 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.40",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.41",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
-    "@babel/template": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index c0e2e60ac9ff..70fc1f838759 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-class-properties",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms static class properties as well as properties declared with the property initializer syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-class-properties",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-function-name": "7.0.0-beta.40",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.40"
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index 4cb399072d54..02577f009599 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-decorators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "license": "MIT",
   "description": "Compile class and object decorators to ES5",
@@ -12,14 +12,14 @@
     "decorators"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index 553c490cc0ed..9a261c7d9e37 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-do-expressions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile do expressions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-do-expressions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index 086ebf580706..94f9ae6c2ae1 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-default-from",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile export default to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-default-from",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index 2ede612c65c2..8e29a24a70b8 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-namespace-from",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile export namespace to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-namespace-from",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index 3caf367b4a07..850b1a3e8b0d 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-bind",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile function bind operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-bind",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index 22e2dd5619fc..c52646afbd4f 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-sent",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile the function.sent meta propety to valid ES2015 code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-sent",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-wrap-function": "7.0.0-beta.40",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-wrap-function": "7.0.0-beta.41",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
index 12e0f1265ce9..b9bbae93a338 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-logical-assignment-operators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transforms logical assignment operators into short-circuited assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-logical-assignment-operators",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index 47585a85d36d..d35f65e184eb 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-nullish-coalescing-operator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Remove nullish coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-nullish-coalescing-opearator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index 30086350515c..49e775f3ff45 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-numeric-separator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Remove numeric separators from Decimal, Binary, Hex and Octal literals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-numeric-separator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index bde8adf6dada..10f56cc33063 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-object-rest-spread",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile object rest and spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-object-rest-spread",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index 104c697fadc4..91c17be2b340 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-catch-binding",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-catch-binding",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index f4148716b5ac..6a82012e468c 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-chaining",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transform optional chaining operators into a series of nil checks",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-chaining",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index 20a3dfa28ce2..7795b14264e4 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-pipeline-operator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transform pipeline operator into call expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-pipeline-operator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index 7e63e4b3e7ec..9acf5a917d4c 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-throw-expressions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Wraps Throw Expressions in an IIFE",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-throw-expressions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index 5322d39fd071..d4e6803c61d1 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-unicode-property-regex",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile Unicode property escapes in Unicode regular expressions to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -19,15 +19,15 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-unicode-property-regex",
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-regex": "7.0.0-beta.40",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-regex": "7.0.0-beta.41",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-async-generators/package.json b/packages/babel-plugin-syntax-async-generators/package.json
index 79979ec50de2..61a730561701 100644
--- a/packages/babel-plugin-syntax-async-generators/package.json
+++ b/packages/babel-plugin-syntax-async-generators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-async-generators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of async generator functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-async-generators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-class-properties/package.json b/packages/babel-plugin-syntax-class-properties/package.json
index 4e0207f8c3e0..9ef0fe6c27a8 100644
--- a/packages/babel-plugin-syntax-class-properties/package.json
+++ b/packages/babel-plugin-syntax-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-class-properties",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of class properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-class-properties",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index 8cc7c366cdf7..feb54810cb7e 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-decorators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-decorators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index f5e6b10208f7..84925f7d69dc 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-do-expressions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of do expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-do-expressions",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-dynamic-import/package.json b/packages/babel-plugin-syntax-dynamic-import/package.json
index 2f8a9b5291c0..c012df5ead9c 100644
--- a/packages/babel-plugin-syntax-dynamic-import/package.json
+++ b/packages/babel-plugin-syntax-dynamic-import/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-dynamic-import",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of import()",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-dynamic-import",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index 01499d325683..6cc53b7d8562 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-default-from",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of export default from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-default-from",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-namespace-from/package.json b/packages/babel-plugin-syntax-export-namespace-from/package.json
index 94f60e86d60d..b5e0530feaf2 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/package.json
+++ b/packages/babel-plugin-syntax-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-namespace-from",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of export namespace from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-namespace-from",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 1e242f5bd78f..89851a4926b5 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-flow",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of the flow syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-flow",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index 9ba13c42cc8a..d8af4fa44a54 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-bind",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of function bind",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-bind",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index fba5bbedbdf2..4188425f8ad0 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-sent",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of the function.sent meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-sent",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-import-meta/package.json b/packages/babel-plugin-syntax-import-meta/package.json
index 3ef7fdf90b47..b9cc3ebd0b4a 100644
--- a/packages/babel-plugin-syntax-import-meta/package.json
+++ b/packages/babel-plugin-syntax-import-meta/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-import-meta",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of import.meta",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-import-meta",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index bf553d40e6c3..d322991dc02d 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-jsx",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-jsx",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/package.json b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
index 8c1a0cb292c4..3aaf5ae6164f 100644
--- a/packages/babel-plugin-syntax-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-logical-assignment-operators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of the logical assignment operators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-logical-assignment-operators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
index e00bf0cfb9e7..1c393b55255d 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-nullish-coalescing-operator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of the nullish-coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-nullish-coalescing-operator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-numeric-separator/package.json b/packages/babel-plugin-syntax-numeric-separator/package.json
index fc7756809b08..3827781a72b6 100644
--- a/packages/babel-plugin-syntax-numeric-separator/package.json
+++ b/packages/babel-plugin-syntax-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-numeric-separator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-numeric-separator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-object-rest-spread/package.json b/packages/babel-plugin-syntax-object-rest-spread/package.json
index 246cd85861ad..93a09dfcd016 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/package.json
+++ b/packages/babel-plugin-syntax-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-object-rest-spread",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of object rest/spread",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-object-rest-spread",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/package.json b/packages/babel-plugin-syntax-optional-catch-binding/package.json
index 1b8b90277823..1fc8817cc695 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/package.json
+++ b/packages/babel-plugin-syntax-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-catch-binding",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-catch-binding",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-chaining/package.json b/packages/babel-plugin-syntax-optional-chaining/package.json
index 20c10be54752..fc173d4a9819 100644
--- a/packages/babel-plugin-syntax-optional-chaining/package.json
+++ b/packages/babel-plugin-syntax-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-chaining",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of optional properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-chaining",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index 34f5ac08e1c3..2e6878e4ed9f 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-pipeline-operator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of the pipeline operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-pipeline-operator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index 7ecada466289..ac1d4356b800 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-throw-expressions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of Throw Expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-throw-expressions",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index 5b379c117899..84db7744c551 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-typescript",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Allow parsing of TypeScript syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-typescript",
   "license": "MIT",
@@ -10,12 +10,12 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index a3b0377dc44a..fac36121cc74 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-arrow-functions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 arrow functions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-arrow-functions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/traverse": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/traverse": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index 0dd59f85210a..90c9c60f07a3 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-async-to-generator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn async functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-async-to-generator",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-module-imports": "7.0.0-beta.40",
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.40"
+    "@babel/helper-module-imports": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index 86b1d685ac7d..3cdf24f839fd 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-block-scoped-functions",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel plugin to ensure function declarations at the block level are block scoped",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoped-functions",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index 3907b850cdc7..495fb9fe4b6b 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-block-scoping",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 block scoping (const and let) to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoping",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index 54f972cd2945..dac477607da0 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -1,28 +1,28 @@
 {
   "name": "@babel/plugin-transform-classes",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 classes to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-classes",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.40",
-    "@babel/helper-define-map": "7.0.0-beta.40",
-    "@babel/helper-function-name": "7.0.0-beta.40",
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.40",
-    "@babel/helper-replace-supers": "7.0.0-beta.40",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
+    "@babel/helper-define-map": "7.0.0-beta.41",
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-replace-supers": "7.0.0-beta.41",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
     "globals": "^11.1.0"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index 16397ea78cd7..3ca74f525ced 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-computed-properties",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 computed properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-computed-properties",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 33120d996d5b..13385d585790 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-destructuring",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 destructuring to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-destructuring",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index ea462edbc877..dc1feea5f35c 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-dotall-regex",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile regular expressions using the `s` (`dotAll`) flag to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -21,15 +21,15 @@
   },
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-regex": "7.0.0-beta.40",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-regex": "7.0.0-beta.41",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index 4adabacd511d..c5e7841e0505 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-duplicate-keys",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile objects with duplicate keys to valid strict ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-duplicate-keys",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index 9f2f3adc7d7d..319332c0bfa1 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-exponentiation-operator",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile exponentiation operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-exponentiation-operator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.40"
+    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index b2e26179bb32..21592228cdf6 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-comments",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn flow type annotations into comments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-comments",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index 288eff3a558d..4b2fa5287d97 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-strip-types",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Strip flow type annotations from your output code.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-strip-types",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index 1c6f05749e62..29fbd6d59d60 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-for-of",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 for...of to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-for-of",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 93c63586cf44..7acff61a8660 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-function-name",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Apply ES2015 function.name semantics to all functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-function-name",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-function-name": "7.0.0-beta.40"
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index 2c9616a470a8..62bad91c803e 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-instanceof",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms all the ES2015 'instanceof' methods",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-instanceof",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index 1a1e8498a4ca..02f1b2847f29 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-jscript",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel plugin to fix buggy JScript named function expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-jscript",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index 0c07ba20b46f..de66bb941140 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-literals",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 unicode string and number literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index c3054fe05ee6..9ea8dd89576d 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-member-expression-literals",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Ensure that reserved words are quoted in property accesses",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-member-expression-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index a564494c8820..ad655d015a40 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-modules-amd",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms ES2015 modules to AMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-amd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-module-transforms": "7.0.0-beta.40"
+    "@babel/helper-module-transforms": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index c220f0511384..793b5e05a1a7 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -1,24 +1,24 @@
 {
   "name": "@babel/plugin-transform-modules-commonjs",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms ES2015 modules to CommonJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-commonjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-module-transforms": "7.0.0-beta.40",
-    "@babel/helper-simple-access": "7.0.0-beta.40"
+    "@babel/helper-module-transforms": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-simple-access": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index f0378507b22e..45ae14711019 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -1,23 +1,23 @@
 {
   "name": "@babel/plugin-transform-modules-systemjs",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms ES2015 modules to SystemJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-systemjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-hoist-variables": "7.0.0-beta.40"
+    "@babel/helper-hoist-variables": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index 1dc3f442254f..da433fcc5306 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-modules-umd",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin transforms ES2015 modules to UMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-umd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-module-transforms": "7.0.0-beta.40"
+    "@babel/helper-module-transforms": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index a4f2975c4b51..5aee8926378f 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-new-target",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transforms new.target meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-new-target",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index c0ba0fe01acb..62b9e367c9b0 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-assign",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Replace Object.assign with an inline helper",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-assign",
   "author": "Jed Watson",
@@ -10,13 +10,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
index 7ca16680b2c8..b6c2d04acf34 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-set-prototype-of-to-assign",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn Object.setPrototypeOf to assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-set-prototype-of-to-assign",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index 4e21a6863be6..685378a77081 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-super",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 object super to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-super",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-replace-supers": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-replace-supers": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index 75b36b97bd45..c734f2566476 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -1,23 +1,23 @@
 {
   "name": "@babel/plugin-transform-parameters",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 default and rest parameters to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-parameters",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-call-delegate": "7.0.0-beta.40",
-    "@babel/helper-get-function-arity": "7.0.0-beta.40"
+    "@babel/helper-call-delegate": "7.0.0-beta.41",
+    "@babel/helper-get-function-arity": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index 984293032396..2b067b995de4 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-literals",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Ensure that reserved words are quoted in object property keys",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index 28ea602b051d..ce9582ea6e2f 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-mutators",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES5 property mutator shorthand syntax to Object.defineProperty",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-mutators",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-define-map": "7.0.0-beta.40"
+    "@babel/helper-define-map": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index a8fd0d17002f..970832615ffd 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-proto-to-assign",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel plugin for turning __proto__ into a shallow property clone",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-proto-to-assign",
   "license": "MIT",
@@ -9,16 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "lodash": "^4.2.0"
-  },
-  "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index 2681ac039db4..9f7dcd2f0c45 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-constant-elements",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Treat React JSX elements as value types and hoist them to the highest scope",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index 110e3aae2226..d21c345e6e36 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-display-name",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Add displayName to React.createClass calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-display-name",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index 046f11d08f3f..8e6ec4b5a14b 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-inline-elements",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn JSX elements into exploded React objects",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-inline-elements",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index 0a56a50de29f..517fd7eed349 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-compat",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn JSX into React Pre-0.12 function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-compat",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.40"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index 757efd6c4b73..a6e46ca71481 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-self",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Add a __self prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-self",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index e74cfb268711..4a0a121c4aab 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-source",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Add a __source prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-source",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index 805107b12408..a4f7d923577c 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Turn JSX into React function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.40",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.40"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-regenerator/package.json b/packages/babel-plugin-transform-regenerator/package.json
index 95cec54a70c1..834e32870fb3 100644
--- a/packages/babel-plugin-transform-regenerator/package.json
+++ b/packages/babel-plugin-transform-regenerator/package.json
@@ -2,7 +2,7 @@
   "name": "@babel/plugin-transform-regenerator",
   "author": "Ben Newman <bn@cs.stanford.edu>",
   "description": "Explode async and generator functions into a state machine.",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "homepage": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "main": "lib/index.js",
@@ -11,10 +11,10 @@
   },
   "license": "MIT",
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 427ce0ad56e2..72a10b0561bb 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-reserved-words",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Ensure that no reserved words are used.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-reserved-words",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index 844f981e80cf..ecd2a1de9ace 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-runtime",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-runtime",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-module-imports": "7.0.0-beta.40"
+    "@babel/helper-module-imports": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index edcf8e19f947..dfef706c8f27 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-shorthand-properties",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 shorthand properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-shorthand-properties",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index a009e7fbc567..eaf2398a9858 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-spread",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-spread",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index db7d1933487f..c6e1db61faca 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-sticky-regex",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 sticky regex to an ES5 RegExp constructor",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-sticky-regex",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-regex": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-regex": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index 49ef87d00de6..43fa37ad5e25 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-strict-mode",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This plugin places a 'use strict'; directive at the top of all files to enable strict mode",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-strict-mode",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index 1c387eb07cfd..d275f4f59fee 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-template-literals",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 template literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-template-literals",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.40"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index 4de9004b1644..1faa3105d82a 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typeof-symbol",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typeof-symbol",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index 6a25bb67c92a..19a70687d120 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typescript",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Transform TypeScript into ES.next",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typescript",
   "license": "MIT",
@@ -10,14 +10,14 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index 459677df5449..1b164b5c3448 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-unicode-regex",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Compile ES2015 Unicode regex to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-regex",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/helper-regex": "7.0.0-beta.40",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-regex": "7.0.0-beta.41",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-polyfill/package.json b/packages/babel-polyfill/package.json
index 7313ed33412e..5dfbb80e188b 100644
--- a/packages/babel-polyfill/package.json
+++ b/packages/babel-polyfill/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/polyfill",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Provides polyfills necessary for a full ES2015+ environment",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-preset-env-standalone/package.json b/packages/babel-preset-env-standalone/package.json
index 4bd9b4e20fc3..845e5733b235 100644
--- a/packages/babel-preset-env-standalone/package.json
+++ b/packages/babel-preset-env-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env-standalone",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Standalone build of babel-prest-env for use in non-Node.js environments.",
   "main": "babel-preset-env.js",
   "files": [
@@ -9,9 +9,9 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
-    "@babel/preset-env": "7.0.0-beta.40",
-    "@babel/standalone": "7.0.0-beta.40"
+    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
+    "@babel/preset-env": "7.0.0-beta.41",
+    "@babel/standalone": "7.0.0-beta.41"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index 36ac41e291ff..ab1d6ab6deae 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "A Babel preset for each environment.",
   "author": "Henry Zhu <hi@henryzoo.com>",
   "homepage": "https://babeljs.io/",
@@ -11,53 +11,53 @@
     "build-data": "node ./scripts/build-data.js; node ./scripts/build-modules-support.js"
   },
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
-    "@babel/plugin-transform-classes": "7.0.0-beta.40",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.40",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
-    "@babel/plugin-transform-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-spread": "7.0.0-beta.40",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40",
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
+    "@babel/plugin-transform-classes": "7.0.0-beta.41",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.41",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
+    "@babel/plugin-transform-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-spread": "7.0.0-beta.41",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41",
     "browserslist": "^3.0.0",
     "invariant": "^2.2.2",
     "semver": "^5.3.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.40",
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-fixtures": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
+    "@babel/cli": "7.0.0-beta.41",
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-fixtures": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
     "compat-table": "kangax/compat-table#7c202e2da648fbd9d223d48d1680ec8f15147044",
     "electron-to-chromium": "^1.3.27",
     "request": "^2.83.0"
diff --git a/packages/babel-preset-es2015/package.json b/packages/babel-preset-es2015/package.json
index ba12a8fb93b2..84f781cd322b 100644
--- a/packages/babel-preset-es2015/package.json
+++ b/packages/babel-preset-es2015/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2015",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for all es2015 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,38 +8,38 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2015",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
-    "@babel/plugin-transform-classes": "7.0.0-beta.40",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.40",
-    "@babel/plugin-transform-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-spread": "7.0.0-beta.40",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
+    "@babel/plugin-transform-classes": "7.0.0-beta.41",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.41",
+    "@babel/plugin-transform-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-spread": "7.0.0-beta.41",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-es2016/package.json b/packages/babel-preset-es2016/package.json
index 18aff2ae7004..6a5243a1982f 100644
--- a/packages/babel-preset-es2016/package.json
+++ b/packages/babel-preset-es2016/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2016",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for all es2016 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,13 +8,13 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2016",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-es2017/package.json b/packages/babel-preset-es2017/package.json
index 394065fdfc10..6bc234f06a8c 100644
--- a/packages/babel-preset-es2017/package.json
+++ b/packages/babel-preset-es2017/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2017",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for all es2017 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,13 +8,13 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2017",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index a61b5fb28e1d..713767b0dd12 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-flow",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for all Flow plugins.",
   "author": "James Kyle <me@thejameskyle.com>",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-flow",
@@ -13,14 +13,14 @@
     "types"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index 013cb1d56cd0..e0e501ff75bd 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-react",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for all React plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-react",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index 35ae903a95ce..d1137db1683e 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-0",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for stage 0 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,15 +8,15 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-0",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
-    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.40",
-    "@babel/preset-stage-1": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.41",
+    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.41",
+    "@babel/preset-stage-1": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-stage-1/package.json b/packages/babel-preset-stage-1/package.json
index 4774defa9264..1e309f919ce8 100644
--- a/packages/babel-preset-stage-1/package.json
+++ b/packages/babel-preset-stage-1/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-1",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for stage 1 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-1",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.40",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.40",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.40",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.40",
-    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.40",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.40",
-    "@babel/preset-stage-2": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.41",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.41",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.41",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.41",
+    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.41",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.41",
+    "@babel/preset-stage-2": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-stage-2/package.json b/packages/babel-preset-stage-2/package.json
index ef175df7e133..141ddc4f7613 100644
--- a/packages/babel-preset-stage-2/package.json
+++ b/packages/babel-preset-stage-2/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-2",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for stage 2 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,17 +8,17 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-2",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.40",
-    "@babel/plugin-proposal-function-sent": "7.0.0-beta.40",
-    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.40",
-    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.40",
-    "@babel/preset-stage-3": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.41",
+    "@babel/plugin-proposal-function-sent": "7.0.0-beta.41",
+    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.41",
+    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.41",
+    "@babel/preset-stage-3": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-stage-3/package.json b/packages/babel-preset-stage-3/package.json
index 73aaac59d5bd..24bce48a7fa7 100644
--- a/packages/babel-preset-stage-3/package.json
+++ b/packages/babel-preset-stage-3/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-3",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for stage 3 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-3",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index 3bb9e1599a45..3a0fca4ca546 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-typescript",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel preset for TypeScript.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-typescript",
   "license": "MIT",
@@ -10,13 +10,13 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.40",
-    "@babel/plugin-transform-typescript": "7.0.0-beta.40"
+    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/plugin-transform-typescript": "7.0.0-beta.41"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index 33e6507033b2..4204dacb647c 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/register",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "babel require hook",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-register",
@@ -19,10 +19,10 @@
     "source-map-support": "^0.4.2"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
+    "@babel/core": "7.0.0-beta.41",
     "default-require-extensions": "^2.0.0"
   }
 }
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index 3d66d377c916..9b50957950ac 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/runtime",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "babel selfContained runtime",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-runtime",
@@ -10,10 +10,10 @@
     "regenerator-runtime": "^0.11.1"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/helpers": "7.0.0-beta.40",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.40",
-    "@babel/preset-env": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/helpers": "7.0.0-beta.41",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.41",
+    "@babel/preset-env": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-standalone/package.json b/packages/babel-standalone/package.json
index d7ec64f1ea2c..af3985de8f8c 100644
--- a/packages/babel-standalone/package.json
+++ b/packages/babel-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/standalone",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Standalone build of Babel for use in non-Node.js environments.",
   "main": "babel.js",
   "files": [
@@ -9,92 +9,92 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/plugin-external-helpers": "7.0.0-beta.40",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.40",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.40",
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.40",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.40",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.40",
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.40",
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.40",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.40",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.40",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.40",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.40",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.40",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.40",
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.40",
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.40",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.40",
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.40",
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.40",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.40",
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.40",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.40",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.40",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.40",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.40",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.40",
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.40",
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.40",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.40",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.40",
-    "@babel/plugin-transform-classes": "7.0.0-beta.40",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.40",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.40",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.40",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.40",
-    "@babel/plugin-transform-flow-comments": "7.0.0-beta.40",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.40",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.40",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.40",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.40",
-    "@babel/plugin-transform-jscript": "7.0.0-beta.40",
-    "@babel/plugin-transform-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.40",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.40",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.40",
-    "@babel/plugin-transform-object-assign": "7.0.0-beta.40",
-    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.40",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.40",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.40",
-    "@babel/plugin-transform-property-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-property-mutators": "7.0.0-beta.40",
-    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.40",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.40",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.40",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.40",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.40",
-    "@babel/plugin-transform-spread": "7.0.0-beta.40",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.40",
-    "@babel/plugin-transform-strict-mode": "7.0.0-beta.40",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.40",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.40",
-    "@babel/plugin-transform-typescript": "7.0.0-beta.40",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.40",
-    "@babel/preset-es2015": "7.0.0-beta.40",
-    "@babel/preset-es2016": "7.0.0-beta.40",
-    "@babel/preset-es2017": "7.0.0-beta.40",
-    "@babel/preset-flow": "7.0.0-beta.40",
-    "@babel/preset-react": "7.0.0-beta.40",
-    "@babel/preset-stage-0": "7.0.0-beta.40",
-    "@babel/preset-stage-1": "7.0.0-beta.40",
-    "@babel/preset-stage-2": "7.0.0-beta.40",
-    "@babel/preset-stage-3": "7.0.0-beta.40",
-    "@babel/preset-typescript": "7.0.0-beta.40"
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/plugin-external-helpers": "7.0.0-beta.41",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.41",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.41",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.41",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.41",
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.41",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.41",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.41",
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.41",
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.41",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41",
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.41",
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.41",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.41",
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.41",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.41",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.41",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.41",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41",
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.41",
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.41",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
+    "@babel/plugin-transform-classes": "7.0.0-beta.41",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.41",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41",
+    "@babel/plugin-transform-flow-comments": "7.0.0-beta.41",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.41",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.41",
+    "@babel/plugin-transform-jscript": "7.0.0-beta.41",
+    "@babel/plugin-transform-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
+    "@babel/plugin-transform-object-assign": "7.0.0-beta.41",
+    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.41",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
+    "@babel/plugin-transform-property-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-property-mutators": "7.0.0-beta.41",
+    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.41",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.41",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.41",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
+    "@babel/plugin-transform-spread": "7.0.0-beta.41",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
+    "@babel/plugin-transform-strict-mode": "7.0.0-beta.41",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
+    "@babel/plugin-transform-typescript": "7.0.0-beta.41",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41",
+    "@babel/preset-es2015": "7.0.0-beta.41",
+    "@babel/preset-es2016": "7.0.0-beta.41",
+    "@babel/preset-es2017": "7.0.0-beta.41",
+    "@babel/preset-flow": "7.0.0-beta.41",
+    "@babel/preset-react": "7.0.0-beta.41",
+    "@babel/preset-stage-0": "7.0.0-beta.41",
+    "@babel/preset-stage-1": "7.0.0-beta.41",
+    "@babel/preset-stage-2": "7.0.0-beta.41",
+    "@babel/preset-stage-3": "7.0.0-beta.41",
+    "@babel/preset-typescript": "7.0.0-beta.41"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 42b7430c5d8c..0143f660ab92 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/template",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Generate an AST from a string template.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,9 +8,9 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-template",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
-    "babylon": "7.0.0-beta.40",
+    "@babel/code-frame": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.41",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 7c5226b34abb..6004183ecdac 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/traverse",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,18 +8,18 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-traverse",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.40",
-    "@babel/generator": "7.0.0-beta.40",
-    "@babel/helper-function-name": "7.0.0-beta.40",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.40",
-    "@babel/types": "7.0.0-beta.40",
-    "babylon": "7.0.0-beta.40",
+    "@babel/code-frame": "7.0.0-beta.41",
+    "@babel/generator": "7.0.0-beta.41",
+    "@babel/helper-function-name": "7.0.0-beta.41",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.41",
     "debug": "^3.1.0",
     "globals": "^11.1.0",
     "invariant": "^2.2.0",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.40"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index 6483fd772715..662d6d6f9065 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/types",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "Babel Types is a Lodash-esque utility library for AST nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -14,7 +14,7 @@
     "to-fast-properties": "^2.0.0"
   },
   "devDependencies": {
-    "@babel/generator": "7.0.0-beta.40",
-    "babylon": "7.0.0-beta.40"
+    "@babel/generator": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babylon/package.json b/packages/babylon/package.json
index b870ce8ef10d..14d0bdd6d44f 100644
--- a/packages/babylon/package.json
+++ b/packages/babylon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "babylon",
-  "version": "7.0.0-beta.40",
+  "version": "7.0.0-beta.41",
   "description": "A JavaScript parser",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -23,7 +23,7 @@
     "node": ">=4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.40",
+    "@babel/helper-fixtures": "7.0.0-beta.41",
     "charcodes": "0.1.0",
     "unicode-10.0.0": "^0.7.4"
   },

From d2a3a8151e466ed10759f823e56050258db20cf8 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Wed, 14 Mar 2018 13:40:59 -0400
Subject: [PATCH 118/140] update to beta.41 (#7568)

---
 package.json |   16 +-
 yarn.lock    | 1034 ++++++++++++++++++++++++++++++--------------------
 2 files changed, 620 insertions(+), 430 deletions(-)

diff --git a/package.json b/package.json
index 402e675873fc..651b1b333413 100644
--- a/package.json
+++ b/package.json
@@ -10,18 +10,18 @@
     "test": "make test"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.40",
-    "@babel/core": "7.0.0-beta.40",
-    "@babel/preset-env": "7.0.0-beta.40",
-    "@babel/preset-flow": "7.0.0-beta.40",
-    "@babel/preset-stage-0": "7.0.0-beta.40",
-    "@babel/register": "7.0.0-beta.40",
+    "@babel/cli": "7.0.0-beta.41",
+    "@babel/core": "7.0.0-beta.41",
+    "@babel/preset-env": "7.0.0-beta.41",
+    "@babel/preset-flow": "7.0.0-beta.41",
+    "@babel/preset-stage-0": "7.0.0-beta.41",
+    "@babel/register": "7.0.0-beta.41",
     "babel-core": "^7.0.0-0",
     "babel-eslint": "^8.0.1",
     "babel-jest": "^22.4.1",
     "babel-loader": "8.0.0-beta.0",
     "babel-plugin-transform-charcodes": "^0.1.0",
-    "babylon": "7.0.0-beta.40",
+    "babylon": "7.0.0-beta.41",
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",
@@ -36,7 +36,7 @@
     "flow-bin": "^0.66.0",
     "graceful-fs": "^4.1.11",
     "gulp": "^3.9.0",
-    "gulp-babel": "^8.0.0-beta.0",
+    "gulp-babel": "^8.0.0-beta.2",
     "gulp-filter": "^5.1.0",
     "gulp-newer": "^1.0.0",
     "gulp-plumber": "^1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 5cdb8f68d581..65b0a27b7ef7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,9 +2,9 @@
 # yarn lockfile v1
 
 
-"@babel/cli@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.0.0-beta.40.tgz#6f96760267685a4c2f053b40316e95fe8c924a6e"
+"@babel/cli@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.0.0-beta.41.tgz#d9fa9d5409a1e73a63d0e3ccc0889afc1f20d946"
   dependencies:
     commander "^2.8.1"
     convert-source-map "^1.1.0"
@@ -23,23 +23,30 @@
   dependencies:
     "@babel/highlight" "7.0.0-beta.40"
 
-"@babel/core@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.40.tgz#455464dd81d499fd97d32b473f0331f74379a33f"
+"@babel/code-frame@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.41.tgz#68845c10a895050ab643e869100bbcf294b64e09"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.40"
-    "@babel/generator" "7.0.0-beta.40"
-    "@babel/helpers" "7.0.0-beta.40"
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
-    babylon "7.0.0-beta.40"
+    "@babel/highlight" "7.0.0-beta.41"
+
+"@babel/core@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.41.tgz#796a318ffd2c46e006f133a474b3be67f94e9ca5"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.41"
+    "@babel/generator" "7.0.0-beta.41"
+    "@babel/helpers" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+    babylon "7.0.0-beta.41"
     convert-source-map "^1.1.0"
-    debug "^3.0.1"
+    debug "^3.1.0"
     json5 "^0.5.0"
     lodash "^4.2.0"
     micromatch "^2.3.11"
     resolve "^1.3.2"
+    semver "^5.4.1"
     source-map "^0.5.0"
 
 "@babel/generator@7.0.0-beta.40":
@@ -52,41 +59,51 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-"@babel/helper-annotate-as-pure@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0-beta.40.tgz#095dd4c70b231eba17ebf61c3434e6f9d71bd574"
+"@babel/generator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.41.tgz#5fce0676cea5acc1d493480d9fb7317ea2164d3f"
   dependencies:
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
+    jsesc "^2.5.1"
+    lodash "^4.2.0"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
 
-"@babel/helper-builder-binary-assignment-operator-visitor@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.0.0-beta.40.tgz#bec4240c95d8b646812c5d4ac536a5579dbcdd53"
+"@babel/helper-annotate-as-pure@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0-beta.41.tgz#dcf9a282d013cc68dc8944966939b9db951948af"
   dependencies:
-    "@babel/helper-explode-assignable-expression" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helper-call-delegate@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.0.0-beta.40.tgz#5d5000d0bf76c68ee6866961e0b7eb6e9ed52438"
+"@babel/helper-builder-binary-assignment-operator-visitor@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.0.0-beta.41.tgz#7d30fa36fb7e2ac5d60d65990db41235718bc5df"
   dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-explode-assignable-expression" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helper-define-map@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.40.tgz#ad64c548dd98e7746305852f113ed04dc74329c0"
+"@babel/helper-call-delegate@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.0.0-beta.41.tgz#a95bfbe164ce3b2cb2579772639a60941f67c906"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-hoist-variables" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+
+"@babel/helper-define-map@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.41.tgz#7f0114bf0242441d96c2158b274843984b2f0b62"
+  dependencies:
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
     lodash "^4.2.0"
 
-"@babel/helper-explode-assignable-expression@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.0.0-beta.40.tgz#0ef579288d894a987c60bf0577c074ad18cfa9dd"
+"@babel/helper-explode-assignable-expression@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.0.0-beta.41.tgz#d390d4da67eaea6457ff202bc416fae3b9820c79"
   dependencies:
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
 
 "@babel/helper-function-name@7.0.0-beta.40":
   version "7.0.0-beta.40"
@@ -96,17 +113,31 @@
     "@babel/template" "7.0.0-beta.40"
     "@babel/types" "7.0.0-beta.40"
 
+"@babel/helper-function-name@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.41.tgz#5c50bc96c50b23383aad413b84a3ee806ceaa0e1"
+  dependencies:
+    "@babel/helper-get-function-arity" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+
 "@babel/helper-get-function-arity@7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.40.tgz#ac0419cf067b0ec16453e1274f03878195791c6e"
   dependencies:
     "@babel/types" "7.0.0-beta.40"
 
-"@babel/helper-hoist-variables@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0-beta.40.tgz#59d47fd133782d60db89af0d18083ad3c9f4801c"
+"@babel/helper-get-function-arity@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.41.tgz#04b9e89d783f6c2223fbb81e11e59235a7781713"
   dependencies:
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
+
+"@babel/helper-hoist-variables@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0-beta.41.tgz#c776a0c49cf359833b0cd8d4cacffb3fe78fe369"
+  dependencies:
+    "@babel/types" "7.0.0-beta.41"
 
 "@babel/helper-module-imports@7.0.0-beta.35":
   version "7.0.0-beta.35"
@@ -115,78 +146,89 @@
     "@babel/types" "7.0.0-beta.35"
     lodash "^4.2.0"
 
-"@babel/helper-module-imports@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.40.tgz#251cbb6404599282e8f7356a5b32c9381bef5d2d"
+"@babel/helper-module-imports@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.41.tgz#c639ad715483bb6ec585eb08793d3220a062bc70"
   dependencies:
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
     lodash "^4.2.0"
 
-"@babel/helper-module-transforms@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.0.0-beta.40.tgz#e5240afd47bd98f6ae65874b9ae508533abfee76"
+"@babel/helper-module-transforms@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.0.0-beta.41.tgz#ecb27cdf7b7ced08bc6d1aa2cf67056a2596650b"
   dependencies:
-    "@babel/helper-module-imports" "7.0.0-beta.40"
-    "@babel/helper-simple-access" "7.0.0-beta.40"
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-module-imports" "7.0.0-beta.41"
+    "@babel/helper-simple-access" "7.0.0-beta.41"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
     lodash "^4.2.0"
 
-"@babel/helper-optimise-call-expression@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.40.tgz#f0e7f70d455bff8ab6a248a84f0221098fa468ac"
+"@babel/helper-optimise-call-expression@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.41.tgz#4e2df61f5a0900ef113a3b861253136593d47f3d"
   dependencies:
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helper-regex@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0-beta.40.tgz#b47018ecca8ff66bb390c34a95ff71bc01495833"
+"@babel/helper-plugin-utils@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0-beta.41.tgz#b515524853b2e509409ccbcd8b0bc3586da3e7f0"
+
+"@babel/helper-regex@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.0.0-beta.41.tgz#5c02e6e31546d4f4a928a82e1c1a28f0d8937637"
   dependencies:
     lodash "^4.2.0"
 
-"@babel/helper-remap-async-to-generator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.0.0-beta.40.tgz#33414d1cc160ebf0991ebc60afebe36b08feae05"
+"@babel/helper-remap-async-to-generator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.0.0-beta.41.tgz#212e2f3fc24635d25cc6f1bd394da1dde1f91c36"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
-    "@babel/helper-wrap-function" "7.0.0-beta.40"
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.41"
+    "@babel/helper-wrap-function" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helper-replace-supers@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.0.0-beta.40.tgz#2ab0c9e7fa17d313745f1634ce6b7bccaa5dd5fe"
+"@babel/helper-replace-supers@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.0.0-beta.41.tgz#3c0c4a2e1f0cdd934ab0ef31bf41376f32f4ef74"
   dependencies:
-    "@babel/helper-optimise-call-expression" "7.0.0-beta.40"
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-optimise-call-expression" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helper-simple-access@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.0.0-beta.40.tgz#018f765090a3d25153778958969f235dc6ce5b57"
+"@babel/helper-simple-access@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.0.0-beta.41.tgz#fd6791214dac026d6cc3f2a3b15477137205fbad"
   dependencies:
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
     lodash "^4.2.0"
 
-"@babel/helper-wrap-function@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.0.0-beta.40.tgz#4db4630cdaf4fd47fa2c45b5b7a9ecc33ff3f2be"
+"@babel/helper-split-export-declaration@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.41.tgz#8a0a67ded225ab7abeb4ad1fc138b4e0e882abee"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.40"
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/types" "7.0.0-beta.41"
 
-"@babel/helpers@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.40.tgz#82f8e144f56b2896b1d624ca88ac4603023ececd"
+"@babel/helper-wrap-function@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.0.0-beta.41.tgz#3f10b9f23de4fa9619af2ce65f666a037ee0fd43"
   dependencies:
-    "@babel/template" "7.0.0-beta.40"
-    "@babel/traverse" "7.0.0-beta.40"
-    "@babel/types" "7.0.0-beta.40"
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+
+"@babel/helpers@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.41.tgz#66e1b9512a09677e0c4102d0569a8d2b8aceb119"
+  dependencies:
+    "@babel/template" "7.0.0-beta.41"
+    "@babel/traverse" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
 
 "@babel/highlight@7.0.0-beta.40":
   version "7.0.0-beta.40"
@@ -196,426 +238,545 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@babel/plugin-proposal-async-generator-functions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-beta.40.tgz#64f4aebc3fff33d2ae8f0a0870f0dfe2ff6815d6"
+"@babel/highlight@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.41.tgz#7e1d634de3821e664bc8ad9688f240530d239b95"
   dependencies:
-    "@babel/helper-remap-async-to-generator" "7.0.0-beta.40"
-    "@babel/plugin-syntax-async-generators" "7.0.0-beta.40"
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
 
-"@babel/plugin-proposal-class-properties@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.0.0-beta.40.tgz#ee0549729e9f44603efa17523b459ea3021458dc"
+"@babel/plugin-proposal-async-generator-functions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.0.0-beta.41.tgz#6e39a214a01ccda277d0db1aa9d542374d4a0c05"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.40"
-    "@babel/plugin-syntax-class-properties" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-remap-async-to-generator" "7.0.0-beta.41"
+    "@babel/plugin-syntax-async-generators" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-decorators@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-decorators/-/plugin-proposal-decorators-7.0.0-beta.40.tgz#d2c033bfa55719ddea681c241c9609b346c7cd9c"
+"@babel/plugin-proposal-class-properties@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.0.0-beta.41.tgz#b02d89d773239abe043e3c9424155635f854ca18"
   dependencies:
-    "@babel/plugin-syntax-decorators" "7.0.0-beta.40"
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-class-properties" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-do-expressions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-do-expressions/-/plugin-proposal-do-expressions-7.0.0-beta.40.tgz#ab49417110c75ad22ae23b319279a71306d9802b"
+"@babel/plugin-proposal-decorators@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-decorators/-/plugin-proposal-decorators-7.0.0-beta.41.tgz#850ad5a7ef321d24d498483da351c4eecc496e88"
   dependencies:
-    "@babel/plugin-syntax-do-expressions" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-decorators" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-export-default-from@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-default-from/-/plugin-proposal-export-default-from-7.0.0-beta.40.tgz#af86537dc76cb3d31b6697480e30058a6da3c753"
+"@babel/plugin-proposal-do-expressions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-do-expressions/-/plugin-proposal-do-expressions-7.0.0-beta.41.tgz#67c2ebb550c2f94c96752dd062ede82f7144c364"
   dependencies:
-    "@babel/plugin-syntax-export-default-from" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-do-expressions" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-export-namespace-from@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.0.0-beta.40.tgz#ae8cdf479c256823f45a052e023b3a50aa350c5a"
+"@babel/plugin-proposal-export-default-from@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-default-from/-/plugin-proposal-export-default-from-7.0.0-beta.41.tgz#acb46d6dedab7a1df9a2de77ada7c64941e7275c"
   dependencies:
-    "@babel/plugin-syntax-export-namespace-from" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-export-default-from" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-function-bind@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-bind/-/plugin-proposal-function-bind-7.0.0-beta.40.tgz#2c0269686bdc3fee64bff42db44dea2d2ab7c7a6"
+"@babel/plugin-proposal-export-namespace-from@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-export-namespace-from/-/plugin-proposal-export-namespace-from-7.0.0-beta.41.tgz#57b2e7a89a1d30f41b5d5d07a69db7d4b5bbb59e"
   dependencies:
-    "@babel/plugin-syntax-function-bind" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-export-namespace-from" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-function-sent@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.0.0-beta.40.tgz#9e99c4f8cd63f32849534a6888480af2d1e09e24"
+"@babel/plugin-proposal-function-bind@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-bind/-/plugin-proposal-function-bind-7.0.0-beta.41.tgz#5be8e03c3e75cc1a7ef7aae42e7f81859ca128c8"
   dependencies:
-    "@babel/helper-wrap-function" "7.0.0-beta.40"
-    "@babel/plugin-syntax-function-sent" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-function-bind" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-nullish-coalescing-operator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.0.0-beta.40.tgz#51c239dc0ec8831d4e2319eec7538d21ac162336"
+"@babel/plugin-proposal-function-sent@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.0.0-beta.41.tgz#57d1ba376a0f60df31fb681aa88c260cf125ae5a"
   dependencies:
-    "@babel/plugin-syntax-nullish-coalescing-operator" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-wrap-function" "7.0.0-beta.41"
+    "@babel/plugin-syntax-function-sent" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-numeric-separator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.0.0-beta.40.tgz#d7c9dbc6bfa9e410e243373397a89a8977892765"
+"@babel/plugin-proposal-logical-assignment-operators@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-logical-assignment-operators/-/plugin-proposal-logical-assignment-operators-7.0.0-beta.41.tgz#0aacb1f939dcc4f4c0e0e9924fd09d0fffaa7c59"
   dependencies:
-    "@babel/plugin-syntax-numeric-separator" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-logical-assignment-operators" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-object-rest-spread@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0-beta.40.tgz#ce35d2240908e52706a612eb26d67db667cd700f"
+"@babel/plugin-proposal-nullish-coalescing-operator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.0.0-beta.41.tgz#a0ccb74ac86b15df4cf418ec11d9131065dfd19e"
   dependencies:
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-nullish-coalescing-operator" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-optional-catch-binding@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0-beta.40.tgz#e76ddcb21880eea0225f1dcde20a5e97ca85fd39"
+"@babel/plugin-proposal-numeric-separator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.0.0-beta.41.tgz#2caf59907e259f3feee78cea9427b218eabef80d"
   dependencies:
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-numeric-separator" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-optional-chaining@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.0.0-beta.40.tgz#2fe8e8e0f17fa0fe0a9bdd3e7d72594ba773cc80"
+"@babel/plugin-proposal-object-rest-spread@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0-beta.41.tgz#4c779ce64867f5b51f6a5178128d732573f96b0a"
   dependencies:
-    "@babel/plugin-syntax-optional-chaining" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-pipeline-operator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-pipeline-operator/-/plugin-proposal-pipeline-operator-7.0.0-beta.40.tgz#768bbde06bb7f1695bf4eef79c1702a269f6c08a"
+"@babel/plugin-proposal-optional-catch-binding@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0-beta.41.tgz#bed5b2dc81e4927714c333a278df16ecb3449813"
   dependencies:
-    "@babel/plugin-syntax-pipeline-operator" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-throw-expressions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-throw-expressions/-/plugin-proposal-throw-expressions-7.0.0-beta.40.tgz#4f34c51a9455baf81fdc2eec176a2c68c59eab20"
+"@babel/plugin-proposal-optional-chaining@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.0.0-beta.41.tgz#946f2a4d5f5736dd5fe110f8ccaf768f8edfa54e"
   dependencies:
-    "@babel/plugin-syntax-throw-expressions" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-optional-chaining" "7.0.0-beta.41"
 
-"@babel/plugin-proposal-unicode-property-regex@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0-beta.40.tgz#1fb2c29c8bd88d5fff82ec080dbe24e7126ec460"
+"@babel/plugin-proposal-pipeline-operator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-pipeline-operator/-/plugin-proposal-pipeline-operator-7.0.0-beta.41.tgz#768273205d7755a946788057036ab292d79466a9"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-pipeline-operator" "7.0.0-beta.41"
+
+"@babel/plugin-proposal-throw-expressions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-throw-expressions/-/plugin-proposal-throw-expressions-7.0.0-beta.41.tgz#9a59c319de2afc5116d4ffffdbb6246d3b218609"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-throw-expressions" "7.0.0-beta.41"
+
+"@babel/plugin-proposal-unicode-property-regex@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0-beta.41.tgz#ff2451178d4e90da4366c821f900f4eb8c6c90d0"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-regex" "7.0.0-beta.41"
     regexpu-core "^4.1.3"
 
-"@babel/plugin-syntax-async-generators@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0-beta.40.tgz#6c45889569add3b3721cc9a481ae99906f240874"
+"@babel/plugin-syntax-async-generators@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0-beta.41.tgz#a4ff2eff7491e9f93d92ca2b51a0ef6f966d98c0"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-class-properties@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.0.0-beta.40.tgz#ff82c04c6d97cdb947dc64e3f3d4bc791e85a16f"
+"@babel/plugin-syntax-class-properties@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-class-properties/-/plugin-syntax-class-properties-7.0.0-beta.41.tgz#8ee660cf0115a1b9e24404acb6437bc58bf16be6"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-decorators@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-decorators/-/plugin-syntax-decorators-7.0.0-beta.40.tgz#26700fe4599606701bf73cddedeb6f470aa0fe54"
+"@babel/plugin-syntax-decorators@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-decorators/-/plugin-syntax-decorators-7.0.0-beta.41.tgz#e9a81d320589b8a7d0fe2520ba57a93468eee25e"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-do-expressions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-do-expressions/-/plugin-syntax-do-expressions-7.0.0-beta.40.tgz#05afe1230a8dabc5dc84800c3b6553c1d374695e"
+"@babel/plugin-syntax-do-expressions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-do-expressions/-/plugin-syntax-do-expressions-7.0.0-beta.41.tgz#e717b082cae97156d45bea78109b147ab6c21077"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-dynamic-import@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.0.0-beta.40.tgz#5d9b58d4fbe1dfabbd44dee2eb267c466d7e9b87"
+"@babel/plugin-syntax-dynamic-import@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.0.0-beta.41.tgz#7e8b3d1c53171a451e50ff790e582aa2ac582c53"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-export-default-from@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-default-from/-/plugin-syntax-export-default-from-7.0.0-beta.40.tgz#6457a80bd22779eaf61f41b1d322d84d7e2deb65"
+"@babel/plugin-syntax-export-default-from@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-default-from/-/plugin-syntax-export-default-from-7.0.0-beta.41.tgz#d49fb1e7be7ac519c25a5da56687103c00bbbeb2"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-export-namespace-from@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-namespace-from/-/plugin-syntax-export-namespace-from-7.0.0-beta.40.tgz#c1622252e7059f16cd4ed0c8d6353ff73684fc86"
+"@babel/plugin-syntax-export-namespace-from@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-export-namespace-from/-/plugin-syntax-export-namespace-from-7.0.0-beta.41.tgz#79a22db141438f4cbb6707e010d6cc6bc67cb28c"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-flow@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-flow/-/plugin-syntax-flow-7.0.0-beta.40.tgz#2326da177cd83ad3d12e8324ad003edb702c384c"
+"@babel/plugin-syntax-flow@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-flow/-/plugin-syntax-flow-7.0.0-beta.41.tgz#5d5408faecd8cf5fd223cdcee32bbcf26db53dad"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-function-bind@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-bind/-/plugin-syntax-function-bind-7.0.0-beta.40.tgz#e871da1b529821affc2954abd4bec9e52da0a357"
+"@babel/plugin-syntax-function-bind@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-bind/-/plugin-syntax-function-bind-7.0.0-beta.41.tgz#d1dc6b508b77da0093c3ce12f2c289b3cb16464f"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-function-sent@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.0.0-beta.40.tgz#ed4906f37695a6c0a2fc0d6b129fa89afdd7d635"
+"@babel/plugin-syntax-function-sent@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.0.0-beta.41.tgz#fd2152c5b3c834b78b604e2c9dd54bbdad1f2b5f"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-import-meta@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.0.0-beta.40.tgz#40b2f7508d418fe624148e81030e2355b689f104"
+"@babel/plugin-syntax-import-meta@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.0.0-beta.41.tgz#a225e7ae1806a1083e82b53fbcb7dd67338590cb"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-nullish-coalescing-operator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.0.0-beta.40.tgz#1bd13137a2053b1bab0bb4e914e141fd67a10d7e"
+"@babel/plugin-syntax-logical-assignment-operators@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-logical-assignment-operators/-/plugin-syntax-logical-assignment-operators-7.0.0-beta.41.tgz#b8e2a0a7441369a195d8af0b337333f9b9be893b"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-numeric-separator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-numeric-separator/-/plugin-syntax-numeric-separator-7.0.0-beta.40.tgz#d63dd89919b94632310a83c8be4d50b5c479b3a5"
+"@babel/plugin-syntax-nullish-coalescing-operator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.0.0-beta.41.tgz#5406a412a0ddf6406b8faa9dd2fd742947a8e0ea"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-object-rest-spread@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0-beta.40.tgz#d5e04536062e4df685c203ae48bb19bfe2cf235c"
+"@babel/plugin-syntax-numeric-separator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-numeric-separator/-/plugin-syntax-numeric-separator-7.0.0-beta.41.tgz#39fb60bbcc9d85782d53065fdc7438bd162b3732"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-optional-catch-binding@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0-beta.40.tgz#2e3de0919d05136bb658172ef9ba9ef7e84bce9e"
+"@babel/plugin-syntax-object-rest-spread@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0-beta.41.tgz#e15b4ec0c9088f0ccd8f161c583545166a3df2c7"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-optional-chaining@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.0.0-beta.40.tgz#0a2628511e8f7f35666f5977fb07e1a8d1d363eb"
+"@babel/plugin-syntax-optional-catch-binding@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-catch-binding/-/plugin-syntax-optional-catch-binding-7.0.0-beta.41.tgz#115df4798d408731aed14cba981d369d40a7700e"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-pipeline-operator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-pipeline-operator/-/plugin-syntax-pipeline-operator-7.0.0-beta.40.tgz#602277fa156b41953eb95b154c39d1167a8c98b2"
+"@babel/plugin-syntax-optional-chaining@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.0.0-beta.41.tgz#4db9b5c84140dfb8bfcbe6ec744161cd5d2ae465"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-syntax-throw-expressions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-throw-expressions/-/plugin-syntax-throw-expressions-7.0.0-beta.40.tgz#a0d8969dcbfece1d85d1938b4e9ecfac4e411682"
+"@babel/plugin-syntax-pipeline-operator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-pipeline-operator/-/plugin-syntax-pipeline-operator-7.0.0-beta.41.tgz#d523a05974ce01ae549ff98a8c5089db00c20f98"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-arrow-functions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0-beta.40.tgz#0842045b16835d6da0c334d0b09d575852f27962"
+"@babel/plugin-syntax-throw-expressions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-throw-expressions/-/plugin-syntax-throw-expressions-7.0.0-beta.41.tgz#6b6522e8ee8207cd8c4497ac624a025381692dc0"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-async-to-generator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.0.0-beta.40.tgz#9195e2473a435b9a9aabc0b64572e9d1ec1c57cb"
+"@babel/plugin-transform-arrow-functions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0-beta.41.tgz#0394aa76c3d0aa373d9085ce15a666ea3ff9d3b3"
   dependencies:
-    "@babel/helper-module-imports" "7.0.0-beta.40"
-    "@babel/helper-remap-async-to-generator" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-block-scoped-functions@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0-beta.40.tgz#491e61f860cabe69379233983fe7ca14f879e41f"
+"@babel/plugin-transform-async-to-generator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.0.0-beta.41.tgz#f400c3a67b05b475cccc3d5319c71e48525346cc"
+  dependencies:
+    "@babel/helper-module-imports" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-remap-async-to-generator" "7.0.0-beta.41"
 
-"@babel/plugin-transform-block-scoping@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0-beta.40.tgz#23197ee6f696b7e5ace884f0dc5434df20d7dd97"
+"@babel/plugin-transform-block-scoped-functions@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoped-functions/-/plugin-transform-block-scoped-functions-7.0.0-beta.41.tgz#cf149b92ed5cec02ed5874d290595a24d360ac07"
   dependencies:
-    lodash "^4.2.0"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-classes@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.0.0-beta.40.tgz#c7a752009df4bb0f77179027daa0783f9a036b0b"
+"@babel/plugin-transform-block-scoping@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.0.0-beta.41.tgz#0adba984d5332d879879f98204ff89e9f316905f"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
-    "@babel/helper-define-map" "7.0.0-beta.40"
-    "@babel/helper-function-name" "7.0.0-beta.40"
-    "@babel/helper-optimise-call-expression" "7.0.0-beta.40"
-    "@babel/helper-replace-supers" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    lodash "^4.2.0"
+
+"@babel/plugin-transform-classes@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.0.0-beta.41.tgz#bc5f1e1d7eb1c0a763cc912834f8cbaf4a12b31b"
+  dependencies:
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.41"
+    "@babel/helper-define-map" "7.0.0-beta.41"
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/helper-optimise-call-expression" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-replace-supers" "7.0.0-beta.41"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.41"
     globals "^11.1.0"
 
-"@babel/plugin-transform-computed-properties@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0-beta.40.tgz#e4bd53455d9f96882cc8e9923895d71690f6969e"
+"@babel/plugin-transform-computed-properties@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-computed-properties/-/plugin-transform-computed-properties-7.0.0-beta.41.tgz#16ec1978eba075aba847a9a5d9f469cba6dcc40a"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-destructuring@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.0.0-beta.40.tgz#503a4719eb9ed8c933b50d4ec3f106ed371852ee"
+"@babel/plugin-transform-destructuring@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.0.0-beta.41.tgz#057111be37ff7927a85acba5ef9aba93028c4bb5"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-dotall-regex@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0-beta.40.tgz#89b5ccff477624b97129f9a7e262a436437d7ae2"
+"@babel/plugin-transform-dotall-regex@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.0.0-beta.41.tgz#0dc2f0411a11b2821caf0d7a1ca82c079cb35db5"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-regex" "7.0.0-beta.41"
     regexpu-core "^4.1.3"
 
-"@babel/plugin-transform-duplicate-keys@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0-beta.40.tgz#91599be229d4409cf3c9bbd094fb04d354bd8068"
+"@babel/plugin-transform-duplicate-keys@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.0.0-beta.41.tgz#8aa99958326aece8b2c6b9e6d75151445c732ce5"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-exponentiation-operator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.0.0-beta.40.tgz#bf0bafdd5aad7061c25dba25e29e12329838baeb"
+"@babel/plugin-transform-exponentiation-operator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-exponentiation-operator/-/plugin-transform-exponentiation-operator-7.0.0-beta.41.tgz#325fa6e2d53c9ee4e6757853c693a93a54ce0cdc"
   dependencies:
-    "@babel/helper-builder-binary-assignment-operator-visitor" "7.0.0-beta.40"
+    "@babel/helper-builder-binary-assignment-operator-visitor" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-flow-strip-types@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-flow-strip-types/-/plugin-transform-flow-strip-types-7.0.0-beta.40.tgz#fe3afe922de6dfbd21d9f53f01cbe1bac89e0423"
+"@babel/plugin-transform-flow-strip-types@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-flow-strip-types/-/plugin-transform-flow-strip-types-7.0.0-beta.41.tgz#c20f1c79a0d5cc61866066c34f646daf768db66f"
   dependencies:
-    "@babel/plugin-syntax-flow" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-syntax-flow" "7.0.0-beta.41"
 
-"@babel/plugin-transform-for-of@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0-beta.40.tgz#67920d749bac4840ceeae9907d918dad33908244"
+"@babel/plugin-transform-for-of@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0-beta.41.tgz#5f3519a5ffcca00eaa07f1c0faa83f35319fbff7"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-function-name@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.0.0-beta.40.tgz#37b5ca4f90fba207d359c0be3af5bfecdc737a3d"
+"@babel/plugin-transform-function-name@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-function-name/-/plugin-transform-function-name-7.0.0-beta.41.tgz#700bd4414fe43d789eaad7b608ad83f789deb90f"
   dependencies:
-    "@babel/helper-function-name" "7.0.0-beta.40"
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-literals@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0-beta.40.tgz#a6bf8808f97accf42a171b27a133802aa0650d3e"
+"@babel/plugin-transform-literals@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-literals/-/plugin-transform-literals-7.0.0-beta.41.tgz#64cd9505667e48acd17f89ccb04118e2e8f74315"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-modules-amd@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.0.0-beta.40.tgz#1882f1a02b16d261a332c87c035c9aeefd402683"
+"@babel/plugin-transform-modules-amd@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.0.0-beta.41.tgz#e24c47638b95b7d60a5390f2a7eca0c6d68642fe"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.40"
+    "@babel/helper-module-transforms" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-modules-commonjs@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.0.0-beta.40.tgz#a85f8c311f498a94a45531cc4ed5ff98b338a70a"
+"@babel/plugin-transform-modules-commonjs@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.0.0-beta.41.tgz#df49c63a95021b15c810c8a3277f72273b047981"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.40"
-    "@babel/helper-simple-access" "7.0.0-beta.40"
+    "@babel/helper-module-transforms" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-simple-access" "7.0.0-beta.41"
 
-"@babel/plugin-transform-modules-systemjs@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.0.0-beta.40.tgz#808b372bdbe06a28bf7a3870d8e810bd7298227a"
+"@babel/plugin-transform-modules-systemjs@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.0.0-beta.41.tgz#f4159e05c1f82994be1e82e351a4edfe83354ac7"
   dependencies:
-    "@babel/helper-hoist-variables" "7.0.0-beta.40"
+    "@babel/helper-hoist-variables" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-modules-umd@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.0.0-beta.40.tgz#5bd4e395a2673e687ed592608ad2fd4883a5a119"
+"@babel/plugin-transform-modules-umd@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-umd/-/plugin-transform-modules-umd-7.0.0-beta.41.tgz#ba74d9d23e7c4c7f74959226ccacb4e57c57ba57"
   dependencies:
-    "@babel/helper-module-transforms" "7.0.0-beta.40"
+    "@babel/helper-module-transforms" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-new-target@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0-beta.40.tgz#ee52bb87fbf325ac054811ec739b25fbce97809e"
+"@babel/plugin-transform-new-target@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.0.0-beta.41.tgz#c0d4549ac4c740bbd4595ae5bee7ab7d959e3ef3"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-object-super@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.0.0-beta.40.tgz#c64f9ba3587610d76c2edfdd8f507a59ea3ba63d"
+"@babel/plugin-transform-object-super@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.0.0-beta.41.tgz#0fe352a9136431803778797ef5093b0df43c8057"
   dependencies:
-    "@babel/helper-replace-supers" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-replace-supers" "7.0.0-beta.41"
 
-"@babel/plugin-transform-parameters@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.0.0-beta.40.tgz#efa366fab0dcbd0221b46aa2662c324b4b414d1d"
+"@babel/plugin-transform-parameters@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.0.0-beta.41.tgz#9a46ae4fe623b394a81dfddf465dc723730e2a46"
   dependencies:
-    "@babel/helper-call-delegate" "7.0.0-beta.40"
-    "@babel/helper-get-function-arity" "7.0.0-beta.40"
+    "@babel/helper-call-delegate" "7.0.0-beta.41"
+    "@babel/helper-get-function-arity" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-regenerator@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0-beta.40.tgz#f8a89ce89a0fae8e9cdfc2f2768104811517374a"
+"@babel/plugin-transform-regenerator@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.0.0-beta.41.tgz#1b376823ea0b3b357b4ff605a256cfa001017608"
   dependencies:
     regenerator-transform "^0.12.3"
 
-"@babel/plugin-transform-shorthand-properties@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0-beta.40.tgz#421835237b0fcab0e67c941726d95dfc543514f4"
+"@babel/plugin-transform-shorthand-properties@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-shorthand-properties/-/plugin-transform-shorthand-properties-7.0.0-beta.41.tgz#93431505f2ea38245a0e7f4e7055253b240e49ca"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-spread@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0-beta.40.tgz#881578938e5750137301750bef7fdd0e01be76be"
+"@babel/plugin-transform-spread@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0-beta.41.tgz#88c11a4854c0e274d74a091c5605721b6b05fc45"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-sticky-regex@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0-beta.40.tgz#5b44b31f8539fc66af18962e55752b82298032ee"
+"@babel/plugin-transform-sticky-regex@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.0.0-beta.41.tgz#00a204ee9719c33d8a8c96526de4ec908084aacb"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-regex" "7.0.0-beta.41"
 
-"@babel/plugin-transform-template-literals@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0-beta.40.tgz#5ef3377d1294aee39b913768a1f884806a45393b"
+"@babel/plugin-transform-template-literals@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.0.0-beta.41.tgz#03bdb3fab54784dd754c32aa8a6d122d9d9caafa"
   dependencies:
-    "@babel/helper-annotate-as-pure" "7.0.0-beta.40"
+    "@babel/helper-annotate-as-pure" "7.0.0-beta.41"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-typeof-symbol@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0-beta.40.tgz#67f0b8a5dd298b0aa5b347c3b6738c9c7baf1bcf"
+"@babel/plugin-transform-typeof-symbol@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.0.0-beta.41.tgz#954ed7a16170d17c1928ab9cd52667011d69ab12"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
 
-"@babel/plugin-transform-unicode-regex@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0-beta.40.tgz#a956187aad2965d7c095d64b1ae87eba10e0a2c6"
+"@babel/plugin-transform-unicode-regex@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.0.0-beta.41.tgz#20011f4f7b45b539516566b792668b9faf706638"
   dependencies:
-    "@babel/helper-regex" "7.0.0-beta.40"
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/helper-regex" "7.0.0-beta.41"
     regexpu-core "^4.1.3"
 
-"@babel/preset-env@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.0.0-beta.40.tgz#713292f9e410f76b3f4301330756c89343c4b2e4"
-  dependencies:
-    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.40"
-    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.40"
-    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.40"
-    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.40"
-    "@babel/plugin-syntax-async-generators" "7.0.0-beta.40"
-    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.40"
-    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.40"
-    "@babel/plugin-transform-arrow-functions" "7.0.0-beta.40"
-    "@babel/plugin-transform-async-to-generator" "7.0.0-beta.40"
-    "@babel/plugin-transform-block-scoped-functions" "7.0.0-beta.40"
-    "@babel/plugin-transform-block-scoping" "7.0.0-beta.40"
-    "@babel/plugin-transform-classes" "7.0.0-beta.40"
-    "@babel/plugin-transform-computed-properties" "7.0.0-beta.40"
-    "@babel/plugin-transform-destructuring" "7.0.0-beta.40"
-    "@babel/plugin-transform-dotall-regex" "7.0.0-beta.40"
-    "@babel/plugin-transform-duplicate-keys" "7.0.0-beta.40"
-    "@babel/plugin-transform-exponentiation-operator" "7.0.0-beta.40"
-    "@babel/plugin-transform-for-of" "7.0.0-beta.40"
-    "@babel/plugin-transform-function-name" "7.0.0-beta.40"
-    "@babel/plugin-transform-literals" "7.0.0-beta.40"
-    "@babel/plugin-transform-modules-amd" "7.0.0-beta.40"
-    "@babel/plugin-transform-modules-commonjs" "7.0.0-beta.40"
-    "@babel/plugin-transform-modules-systemjs" "7.0.0-beta.40"
-    "@babel/plugin-transform-modules-umd" "7.0.0-beta.40"
-    "@babel/plugin-transform-new-target" "7.0.0-beta.40"
-    "@babel/plugin-transform-object-super" "7.0.0-beta.40"
-    "@babel/plugin-transform-parameters" "7.0.0-beta.40"
-    "@babel/plugin-transform-regenerator" "7.0.0-beta.40"
-    "@babel/plugin-transform-shorthand-properties" "7.0.0-beta.40"
-    "@babel/plugin-transform-spread" "7.0.0-beta.40"
-    "@babel/plugin-transform-sticky-regex" "7.0.0-beta.40"
-    "@babel/plugin-transform-template-literals" "7.0.0-beta.40"
-    "@babel/plugin-transform-typeof-symbol" "7.0.0-beta.40"
-    "@babel/plugin-transform-unicode-regex" "7.0.0-beta.40"
+"@babel/preset-env@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.0.0-beta.41.tgz#b9638878277eba78659ec75e00c30ac09079d8f0"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.41"
+    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.41"
+    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.41"
+    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.41"
+    "@babel/plugin-syntax-async-generators" "7.0.0-beta.41"
+    "@babel/plugin-syntax-object-rest-spread" "7.0.0-beta.41"
+    "@babel/plugin-syntax-optional-catch-binding" "7.0.0-beta.41"
+    "@babel/plugin-transform-arrow-functions" "7.0.0-beta.41"
+    "@babel/plugin-transform-async-to-generator" "7.0.0-beta.41"
+    "@babel/plugin-transform-block-scoped-functions" "7.0.0-beta.41"
+    "@babel/plugin-transform-block-scoping" "7.0.0-beta.41"
+    "@babel/plugin-transform-classes" "7.0.0-beta.41"
+    "@babel/plugin-transform-computed-properties" "7.0.0-beta.41"
+    "@babel/plugin-transform-destructuring" "7.0.0-beta.41"
+    "@babel/plugin-transform-dotall-regex" "7.0.0-beta.41"
+    "@babel/plugin-transform-duplicate-keys" "7.0.0-beta.41"
+    "@babel/plugin-transform-exponentiation-operator" "7.0.0-beta.41"
+    "@babel/plugin-transform-for-of" "7.0.0-beta.41"
+    "@babel/plugin-transform-function-name" "7.0.0-beta.41"
+    "@babel/plugin-transform-literals" "7.0.0-beta.41"
+    "@babel/plugin-transform-modules-amd" "7.0.0-beta.41"
+    "@babel/plugin-transform-modules-commonjs" "7.0.0-beta.41"
+    "@babel/plugin-transform-modules-systemjs" "7.0.0-beta.41"
+    "@babel/plugin-transform-modules-umd" "7.0.0-beta.41"
+    "@babel/plugin-transform-new-target" "7.0.0-beta.41"
+    "@babel/plugin-transform-object-super" "7.0.0-beta.41"
+    "@babel/plugin-transform-parameters" "7.0.0-beta.41"
+    "@babel/plugin-transform-regenerator" "7.0.0-beta.41"
+    "@babel/plugin-transform-shorthand-properties" "7.0.0-beta.41"
+    "@babel/plugin-transform-spread" "7.0.0-beta.41"
+    "@babel/plugin-transform-sticky-regex" "7.0.0-beta.41"
+    "@babel/plugin-transform-template-literals" "7.0.0-beta.41"
+    "@babel/plugin-transform-typeof-symbol" "7.0.0-beta.41"
+    "@babel/plugin-transform-unicode-regex" "7.0.0-beta.41"
     browserslist "^3.0.0"
     invariant "^2.2.2"
     semver "^5.3.0"
 
-"@babel/preset-flow@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-flow/-/preset-flow-7.0.0-beta.40.tgz#08784f5a847bf1a7fc7ea031977c5e43ef72753a"
-  dependencies:
-    "@babel/plugin-transform-flow-strip-types" "7.0.0-beta.40"
-
-"@babel/preset-stage-0@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-0/-/preset-stage-0-7.0.0-beta.40.tgz#1ea9823b501ac7b6221c80bf4bf1c610c660dcc3"
-  dependencies:
-    "@babel/plugin-proposal-function-bind" "7.0.0-beta.40"
-    "@babel/preset-stage-1" "7.0.0-beta.40"
-
-"@babel/preset-stage-1@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-1/-/preset-stage-1-7.0.0-beta.40.tgz#acc899ae0480a3e417c4c1ce918f3a1886386641"
-  dependencies:
-    "@babel/plugin-proposal-decorators" "7.0.0-beta.40"
-    "@babel/plugin-proposal-do-expressions" "7.0.0-beta.40"
-    "@babel/plugin-proposal-export-default-from" "7.0.0-beta.40"
-    "@babel/plugin-proposal-nullish-coalescing-operator" "7.0.0-beta.40"
-    "@babel/plugin-proposal-optional-chaining" "7.0.0-beta.40"
-    "@babel/plugin-proposal-pipeline-operator" "7.0.0-beta.40"
-    "@babel/preset-stage-2" "7.0.0-beta.40"
-
-"@babel/preset-stage-2@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-2/-/preset-stage-2-7.0.0-beta.40.tgz#c88db5e0e7ebfde8460c9cd3bed9acd841830e72"
-  dependencies:
-    "@babel/plugin-proposal-export-namespace-from" "7.0.0-beta.40"
-    "@babel/plugin-proposal-function-sent" "7.0.0-beta.40"
-    "@babel/plugin-proposal-numeric-separator" "7.0.0-beta.40"
-    "@babel/plugin-proposal-throw-expressions" "7.0.0-beta.40"
-    "@babel/preset-stage-3" "7.0.0-beta.40"
-
-"@babel/preset-stage-3@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/preset-stage-3/-/preset-stage-3-7.0.0-beta.40.tgz#5b6eb45908d8355ab5512b4d1dd2fb4c3cad2dec"
-  dependencies:
-    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.40"
-    "@babel/plugin-proposal-class-properties" "7.0.0-beta.40"
-    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.40"
-    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.40"
-    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.40"
-    "@babel/plugin-syntax-dynamic-import" "7.0.0-beta.40"
-    "@babel/plugin-syntax-import-meta" "7.0.0-beta.40"
-
-"@babel/register@7.0.0-beta.40":
-  version "7.0.0-beta.40"
-  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.0.0-beta.40.tgz#40df0bdbb2fe74a7c7b09af3d59b71c8cd53c4da"
+"@babel/preset-flow@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-flow/-/preset-flow-7.0.0-beta.41.tgz#f33914a40fd8578ad0b8dae7acd8bac5b4aa444f"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-transform-flow-strip-types" "7.0.0-beta.41"
+
+"@babel/preset-stage-0@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-0/-/preset-stage-0-7.0.0-beta.41.tgz#47a259ceae93a600cb59e1ab7c46c089cf89d9c6"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-proposal-function-bind" "7.0.0-beta.41"
+    "@babel/plugin-proposal-logical-assignment-operators" "7.0.0-beta.41"
+    "@babel/preset-stage-1" "7.0.0-beta.41"
+
+"@babel/preset-stage-1@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-1/-/preset-stage-1-7.0.0-beta.41.tgz#ac3bfe383578dda47782ec3c8ec7818c9ca350a5"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-proposal-decorators" "7.0.0-beta.41"
+    "@babel/plugin-proposal-do-expressions" "7.0.0-beta.41"
+    "@babel/plugin-proposal-export-default-from" "7.0.0-beta.41"
+    "@babel/plugin-proposal-nullish-coalescing-operator" "7.0.0-beta.41"
+    "@babel/plugin-proposal-optional-chaining" "7.0.0-beta.41"
+    "@babel/plugin-proposal-pipeline-operator" "7.0.0-beta.41"
+    "@babel/preset-stage-2" "7.0.0-beta.41"
+
+"@babel/preset-stage-2@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-2/-/preset-stage-2-7.0.0-beta.41.tgz#c03a746f54e761d4014568b97c7a5bcebe15d4ab"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-proposal-export-namespace-from" "7.0.0-beta.41"
+    "@babel/plugin-proposal-function-sent" "7.0.0-beta.41"
+    "@babel/plugin-proposal-numeric-separator" "7.0.0-beta.41"
+    "@babel/plugin-proposal-throw-expressions" "7.0.0-beta.41"
+    "@babel/preset-stage-3" "7.0.0-beta.41"
+
+"@babel/preset-stage-3@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/preset-stage-3/-/preset-stage-3-7.0.0-beta.41.tgz#2fbc17609c8ea14262cc4c7f8a4d76f7f98b14f5"
+  dependencies:
+    "@babel/helper-plugin-utils" "7.0.0-beta.41"
+    "@babel/plugin-proposal-async-generator-functions" "7.0.0-beta.41"
+    "@babel/plugin-proposal-class-properties" "7.0.0-beta.41"
+    "@babel/plugin-proposal-object-rest-spread" "7.0.0-beta.41"
+    "@babel/plugin-proposal-optional-catch-binding" "7.0.0-beta.41"
+    "@babel/plugin-proposal-unicode-property-regex" "7.0.0-beta.41"
+    "@babel/plugin-syntax-dynamic-import" "7.0.0-beta.41"
+    "@babel/plugin-syntax-import-meta" "7.0.0-beta.41"
+
+"@babel/register@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/register/-/register-7.0.0-beta.41.tgz#0df0ea8431607ba1a12187efaf472314ca6d6518"
   dependencies:
     core-js "^2.5.3"
     find-cache-dir "^1.0.0"
@@ -634,7 +795,31 @@
     babylon "7.0.0-beta.40"
     lodash "^4.2.0"
 
-"@babel/traverse@7.0.0-beta.40", "@babel/traverse@^7.0.0-beta.31", "@babel/traverse@^7.0.0-beta.40":
+"@babel/template@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.41.tgz#628eeb93f9b5b423a252d3b6183f12e09505ab55"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+    babylon "7.0.0-beta.41"
+    lodash "^4.2.0"
+
+"@babel/traverse@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.41.tgz#1615f6fa87382c34511be8be1cd083eba9b1ae88"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.41"
+    "@babel/generator" "7.0.0-beta.41"
+    "@babel/helper-function-name" "7.0.0-beta.41"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.41"
+    "@babel/types" "7.0.0-beta.41"
+    babylon "7.0.0-beta.41"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    invariant "^2.2.0"
+    lodash "^4.2.0"
+
+"@babel/traverse@^7.0.0-beta.31", "@babel/traverse@^7.0.0-beta.40":
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.40.tgz#d140e449b2e093ef9fe1a2eecc28421ffb4e521e"
   dependencies:
@@ -664,6 +849,14 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
+"@babel/types@7.0.0-beta.41":
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.41.tgz#776e6ec154fb8ec11da697be35b705c6eeb00e75"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.2.0"
+    to-fast-properties "^2.0.0"
+
 "@types/acorn@^4.0.2":
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/@types/acorn/-/acorn-4.0.3.tgz#d1f3e738dde52536f9aad3d3380d14e448820afd"
@@ -1286,6 +1479,10 @@ babylon@7.0.0-beta.40, babylon@^7.0.0-beta.31, babylon@^7.0.0-beta.40:
   version "7.0.0-beta.40"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.40.tgz#91fc8cd56d5eb98b28e6fde41045f2957779940a"
 
+babylon@7.0.0-beta.41:
+  version "7.0.0-beta.41"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.41.tgz#e1b208d53a7a05ede2cf96cbecd86f5ed47f584f"
+
 babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
@@ -3535,9 +3732,9 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
-gulp-babel@^8.0.0-beta.0:
-  version "8.0.0-beta.1"
-  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-8.0.0-beta.1.tgz#0c90f3e667b5133277b596de9e1599c7955e84b7"
+gulp-babel@^8.0.0-beta.2:
+  version "8.0.0-beta.2"
+  resolved "https://registry.yarnpkg.com/gulp-babel/-/gulp-babel-8.0.0-beta.2.tgz#0ceed820eeece53da75bbb466b56db336c4136dd"
   dependencies:
     plugin-error "^1.0.1"
     replace-ext "^1.0.0"
@@ -4663,14 +4860,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.2.1:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
-js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
+js-yaml@^3.2.1, js-yaml@^3.7.0, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
   dependencies:

From 6d9887fc0fa227c9504b6408f4a416ac2bd568ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Fri, 9 Mar 2018 11:00:05 +0100
Subject: [PATCH 119/140] [typeof-symbol] Guard against undefined built-in
 globals

---
 .../src/index.js                              |  2 +-
 .../fixtures/symbols/builtin-global/input.mjs |  1 +
 .../symbols/builtin-global/options.json       |  3 ++
 .../symbols/builtin-global/output.mjs         |  3 ++
 .../plugins-integration/issue-7527/exec.js    |  6 +++
 .../plugins-integration/issue-7527/input.mjs  |  6 +++
 .../issue-7527/options.json                   |  4 ++
 .../plugins-integration/issue-7527/output.js  | 39 +++++++++++++++++++
 8 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/input.mjs
 create mode 100644 packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/options.json
 create mode 100644 packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/output.mjs
 create mode 100644 packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/exec.js
 create mode 100644 packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/input.mjs
 create mode 100644 packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js

diff --git a/packages/babel-plugin-transform-typeof-symbol/src/index.js b/packages/babel-plugin-transform-typeof-symbol/src/index.js
index 598c841cff14..70d1a65ca05d 100644
--- a/packages/babel-plugin-transform-typeof-symbol/src/index.js
+++ b/packages/babel-plugin-transform-typeof-symbol/src/index.js
@@ -50,7 +50,7 @@ export default declare(api => {
 
         const call = t.callExpression(helper, [node.argument]);
         const arg = path.get("argument");
-        if (arg.isIdentifier() && !path.scope.hasBinding(arg.node.name)) {
+        if (arg.isIdentifier() && !path.scope.hasBinding(arg.node.name, true)) {
           const unary = t.unaryExpression("typeof", t.cloneNode(node.argument));
           path.replaceWith(
             t.conditionalExpression(
diff --git a/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/input.mjs b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/input.mjs
new file mode 100644
index 000000000000..7cff6b432012
--- /dev/null
+++ b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/input.mjs
@@ -0,0 +1 @@
+typeof Reflect === "object";
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/options.json b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/options.json
new file mode 100644
index 000000000000..5730916af950
--- /dev/null
+++ b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-typeof-symbol"]
+}
diff --git a/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/output.mjs b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/output.mjs
new file mode 100644
index 000000000000..8b1124c31ba1
--- /dev/null
+++ b/packages/babel-plugin-transform-typeof-symbol/test/fixtures/symbols/builtin-global/output.mjs
@@ -0,0 +1,3 @@
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+(typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect)) === "object";
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/exec.js b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/exec.js
new file mode 100644
index 000000000000..928ee1da87b7
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/exec.js
@@ -0,0 +1,6 @@
+class MyDate extends Date {
+  constructor(time) {
+      super(time);
+  }
+}
+let myDate = new MyDate();
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/input.mjs b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/input.mjs
new file mode 100644
index 000000000000..928ee1da87b7
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/input.mjs
@@ -0,0 +1,6 @@
+class MyDate extends Date {
+  constructor(time) {
+      super(time);
+  }
+}
+let myDate = new MyDate();
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
new file mode 100644
index 000000000000..12adf7334558
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
@@ -0,0 +1,4 @@
+{
+  "plugins": [],
+  "presets": ["es2015"]
+}
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
new file mode 100644
index 000000000000..309d39b13468
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
@@ -0,0 +1,39 @@
+"use strict";
+
+function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return right[Symbol.hasInstance](left); } else { return left instanceof right; } }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
+
+var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
+
+var _construct = (typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect)) === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
+
+var _cache = typeof Map === "function" && new Map();
+
+function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writeable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+
+var MyDate =
+/*#__PURE__*/
+function (_Date) {
+  _inherits(MyDate, _Date);
+
+  function MyDate(time) {
+    _classCallCheck(this, MyDate);
+
+    return _possibleConstructorReturn(this, (MyDate.__proto__ || Object.getPrototypeOf(MyDate)).call(this, time));
+  }
+
+  return MyDate;
+}(_wrapNativeSuper(Date));
+
+var myDate = new MyDate();

From 91a114f74a554d46959d5aa5c3c6200b7a01916b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Fri, 9 Mar 2018 11:59:35 +0100
Subject: [PATCH 120/140] [transform-classes] Fix typo in _wrapNativeSuper
 helper

---
 packages/babel-helpers/src/helpers.js                       | 2 +-
 .../test/fixtures/extend-builtins/loose/output.js           | 2 +-
 .../test/fixtures/extend-builtins/spec/output.js            | 2 +-
 .../fixtures/plugins-integration/issue-7527/options.json    | 2 +-
 .../test/fixtures/plugins-integration/issue-7527/output.js  | 6 ++----
 5 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 24531f015e58..500a37007d09 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -472,7 +472,7 @@ helpers.wrapNativeSuper = () => template.program.ast`
       constructor: {
         value: Wrapper,
         enumerable: false,
-        writeable: true,
+        writable: true,
         configurable: true,
       }
     });
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
index 90a34b02cd60..81b85f71b97b 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
@@ -8,7 +8,7 @@ var _construct = typeof Reflect === "object" && Reflect.construct || function _c
 
 var _cache = typeof Map === "function" && new Map();
 
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writeable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 
 var List =
 /*#__PURE__*/
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
index 4b7fbb1def64..80508563d2d6 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
@@ -14,7 +14,7 @@ var _construct = typeof Reflect === "object" && Reflect.construct || function _c
 
 var _cache = typeof Map === "function" && new Map();
 
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writeable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 
 var List =
 /*#__PURE__*/
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
index 12adf7334558..5506781ec8a9 100644
--- a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/options.json
@@ -1,4 +1,4 @@
 {
   "plugins": [],
-  "presets": ["es2015"]
+  "presets": ["../../../../lib"]
 }
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
index 309d39b13468..2a375260c0b8 100644
--- a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
@@ -1,10 +1,8 @@
 "use strict";
 
-function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return right[Symbol.hasInstance](left); } else { return left instanceof right; } }
-
 function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
 
-function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
 
@@ -20,7 +18,7 @@ var _construct = (typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect
 
 var _cache = typeof Map === "function" && new Map();
 
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writeable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 
 var MyDate =
 /*#__PURE__*/

From 07ab02f6b218e07678ce6aef65d80fd5c9b18a66 Mon Sep 17 00:00:00 2001
From: Simon Kjellberg <simon.kjellberg@gmail.com>
Date: Wed, 14 Mar 2018 21:37:51 +0100
Subject: [PATCH 121/140] Fix incorrect value of _cache in _wrapNativeSuper
 (#7570)

The boolean expressions returns false in environments where Map is missing.
This change explicitly sets _cache to undefined in such cases, to ensure the cache methods will be ignored.
---
 packages/babel-helpers/src/helpers.js                           | 2 +-
 .../test/fixtures/extend-builtins/loose/output.js               | 2 +-
 .../test/fixtures/extend-builtins/spec/output.js                | 2 +-
 .../test/fixtures/plugins-integration/issue-7527/output.js      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 500a37007d09..fe17bc32da26 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -455,7 +455,7 @@ helpers.wrapNativeSuper = () => template.program.ast`
       return _sPO(new Constructor, Class.prototype);
     };
 
-  var _cache = typeof Map === "function" && new Map();
+  var _cache = typeof Map === "function" ? new Map() : undefined;
 
   export default function _wrapNativeSuper(Class) {
     if (typeof Class !== "function") {
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
index 81b85f71b97b..78f80feba6b5 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
@@ -6,7 +6,7 @@ var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; retur
 
 var _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
 
-var _cache = typeof Map === "function" && new Map();
+var _cache = typeof Map === "function" ? new Map() : undefined;
 
 function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
index 80508563d2d6..15d0afe00817 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
@@ -12,7 +12,7 @@ var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; retur
 
 var _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
 
-var _cache = typeof Map === "function" && new Map();
+var _cache = typeof Map === "function" ? new Map() : undefined;
 
 function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
index 2a375260c0b8..d471e0219482 100644
--- a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
@@ -16,7 +16,7 @@ var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; retur
 
 var _construct = (typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect)) === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
 
-var _cache = typeof Map === "function" && new Map();
+var _cache = typeof Map === "function" ? new Map() : undefined;
 
 function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
 

From d682e32529db0c39137cecd04dabce142f3f9b93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Wed, 14 Mar 2018 22:59:02 +0100
Subject: [PATCH 122/140] Favour extends helper over objectWithoutProperties
 when whole object gets copied anyway (#7390)

---
 .../README.md                                 |  3 +-
 .../src/index.js                              | 21 ++++++++--
 .../object-rest/catch-clause/output.js        |  2 +-
 .../object-rest/duplicate-decl-bug/output.js  |  2 +-
 .../object-rest/nested-computed-key/output.js |  6 +--
 .../nested-default-value/output.js            |  6 +--
 .../object-rest/nested-order/output.js        |  6 +--
 .../fixtures/object-rest/parameters/output.js |  6 +--
 .../variable-destructuring/output.js          | 14 +++----
 .../test/fixtures/regression/T7178/output.js  |  2 +-
 .../fixtures/regression/gh-5151/output.js     |  2 +-
 .../fixtures/regression/gh-7304/output.js     |  2 +-
 .../README.md                                 | 39 +++++++++++++++++++
 .../src/index.js                              | 28 +++++++++----
 .../es7-object-rest-builtins/input.js         |  7 ++++
 .../es7-object-rest-builtins/options.json     | 11 ++++++
 .../es7-object-rest-builtins/output.js        | 20 ++++++++++
 .../destructuring/es7-object-rest/output.js   |  2 +-
 18 files changed, 142 insertions(+), 37 deletions(-)
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/input.js
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/options.json
 create mode 100644 packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/output.js

diff --git a/packages/babel-plugin-proposal-object-rest-spread/README.md b/packages/babel-plugin-proposal-object-rest-spread/README.md
index 96da7f039822..9c1b785b94bc 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/README.md
+++ b/packages/babel-plugin-proposal-object-rest-spread/README.md
@@ -71,8 +71,7 @@ For detailed information please check out [Spread VS. Object.assign](http://2ali
 
 `boolean`, defaults to `false`.
 
-Enabling this option will use `Object.assign` directly instead of the Babel's `extends` helper. Keep in mind that this flag only applies when `loose: true`.
-
+Enabling this option will use `Object.assign` directly instead of the Babel's `extends` helper. 
 
 ##### Example
 
diff --git a/packages/babel-plugin-proposal-object-rest-spread/src/index.js b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
index c949529288da..d43a5a7b11d6 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/src/index.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/src/index.js
@@ -11,6 +11,12 @@ export default declare((api, opts) => {
     throw new Error(".loose must be a boolean, or undefined");
   }
 
+  function getExtendsHelper(file) {
+    return useBuiltIns
+      ? t.memberExpression(t.identifier("Object"), t.identifier("assign"))
+      : file.addHelper("extends");
+  }
+
   function hasRestElement(path) {
     let foundRestElement = false;
     visitRestElements(path, () => {
@@ -97,6 +103,17 @@ export default declare((api, opts) => {
     const impureComputedPropertyDeclarators = replaceImpureComputedKeys(path);
     const { keys, allLiteral } = extractNormalizedKeys(path);
 
+    if (keys.length === 0) {
+      return [
+        impureComputedPropertyDeclarators,
+        restElement.argument,
+        t.callExpression(getExtendsHelper(file), [
+          t.objectExpression([]),
+          t.cloneNode(objRef),
+        ]),
+      ];
+    }
+
     let keyExpression;
     if (!allLiteral) {
       // map to toPropertyKey to handle the possible non-string values
@@ -396,9 +413,7 @@ export default declare((api, opts) => {
 
         let helper;
         if (loose) {
-          helper = useBuiltIns
-            ? t.memberExpression(t.identifier("Object"), t.identifier("assign"))
-            : file.addHelper("extends");
+          helper = getExtendsHelper(file);
         } else {
           helper = file.addHelper("objectSpread");
         }
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/catch-clause/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/catch-clause/output.js
index bf49f3ad4e9b..3d2528632ed1 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/catch-clause/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/catch-clause/output.js
@@ -1,5 +1,5 @@
 try {} catch (_ref) {
-  let a34 = babelHelpers.objectWithoutProperties(_ref, []);
+  let a34 = babelHelpers.extends({}, _ref);
 }
 
 try {} catch (_ref2) {
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/duplicate-decl-bug/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/duplicate-decl-bug/output.js
index 87abb8f817a1..0be57aba8d68 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/duplicate-decl-bug/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/duplicate-decl-bug/output.js
@@ -3,5 +3,5 @@ it("es7.objectRestSpread", () => {
     a: 1,
     b: 2
   };
-  let copy = babelHelpers.objectWithoutProperties(original, []);
+  let copy = babelHelpers.extends({}, original);
 });
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
index dbc67adecf8c..fd457cfdc663 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-computed-key/output.js
@@ -2,8 +2,8 @@ var _ref2;
 
 const {
   [(_ref) => {
-    let rest = babelHelpers.objectWithoutProperties(_ref, []);
-    let b = babelHelpers.objectWithoutProperties({}, []);
+    let rest = babelHelpers.extends({}, _ref);
+    let b = babelHelpers.extends({}, {});
   }]: a,
-  [(_ref2 = {}, ({} = _ref2), d = babelHelpers.objectWithoutProperties(_ref2, []), _ref2)]: c
+  [(_ref2 = {}, ({} = _ref2), d = babelHelpers.extends({}, _ref2), _ref2)]: c
 } = {};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
index b166fdc5d927..f1ad422c4de0 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-default-value/output.js
@@ -2,8 +2,8 @@ var _ref2;
 
 const {
   a = (_ref) => {
-    let rest = babelHelpers.objectWithoutProperties(_ref, []);
-    let b = babelHelpers.objectWithoutProperties({}, []);
+    let rest = babelHelpers.extends({}, _ref);
+    let b = babelHelpers.extends({}, {});
   },
-  c = (_ref2 = {}, ({} = _ref2), d = babelHelpers.objectWithoutProperties(_ref2, []), _ref2)
+  c = (_ref2 = {}, ({} = _ref2), d = babelHelpers.extends({}, _ref2), _ref2)
 } = {};
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js
index 96a7088a3949..f9973cfc45a5 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/nested-order/output.js
@@ -1,3 +1,3 @@
-const bar = babelHelpers.objectWithoutProperties(obj.a, []),
-      baz = babelHelpers.objectWithoutProperties(obj.b, []),
-      foo = babelHelpers.objectWithoutProperties(obj, []);
+const bar = babelHelpers.extends({}, obj.a),
+      baz = babelHelpers.extends({}, obj.b),
+      foo = babelHelpers.extends({}, obj);
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/parameters/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/parameters/output.js
index 39cbd5c04706..3fcf29325f96 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/parameters/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/parameters/output.js
@@ -1,5 +1,5 @@
 function a(_ref) {
-  let a34 = babelHelpers.objectWithoutProperties(_ref, []);
+  let a34 = babelHelpers.extends({}, _ref);
 }
 
 function a2(_ref2) {
@@ -57,7 +57,7 @@ function a7(_ref8 = {}) {
 }
 
 function a8([_ref9]) {
-  let a1 = babelHelpers.objectWithoutProperties(_ref9, []);
+  let a1 = babelHelpers.extends({}, _ref9);
 }
 
 function a9([_ref10]) {
@@ -68,7 +68,7 @@ function a9([_ref10]) {
 }
 
 function a10([a1, _ref11]) {
-  let a2 = babelHelpers.objectWithoutProperties(_ref11, []);
+  let a2 = babelHelpers.extends({}, _ref11);
 } // Unchanged
 
 
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/output.js
index 0bebdd2fa224..6772f31baf39 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-rest/variable-destructuring/output.js
@@ -1,10 +1,10 @@
 var z = {};
-var x = babelHelpers.objectWithoutProperties(z, []);
-var a = babelHelpers.objectWithoutProperties({
+var x = babelHelpers.extends({}, z);
+var a = babelHelpers.extends({}, {
   a: 1
-}, []);
-var x = babelHelpers.objectWithoutProperties(a.b, []);
-var x = babelHelpers.objectWithoutProperties(a(), []);
+});
+var x = babelHelpers.extends({}, a.b);
+var x = babelHelpers.extends({}, a());
 var {
   x1
 } = z,
@@ -36,7 +36,7 @@ let {
   }
 } = complex,
     asdf = babelHelpers.objectWithoutProperties(complex.x, ["a", d].map(babelHelpers.toPropertyKey)),
-    d = babelHelpers.objectWithoutProperties(complex.y, []),
+    d = babelHelpers.extends({}, complex.y),
     g = babelHelpers.objectWithoutProperties(complex, ["x"]);
 let {} = z,
-    y4 = babelHelpers.objectWithoutProperties(z.x4, []);
+    y4 = babelHelpers.extends({}, z.x4);
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/T7178/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/T7178/output.js
index 328e6aaa237f..356e9f948f37 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/T7178/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/T7178/output.js
@@ -5,6 +5,6 @@ var _props = babelHelpers.interopRequireDefault(require("props"));
 console.log(_props.default);
 
 (function () {
-  const props = babelHelpers.objectWithoutProperties(this.props, []);
+  const props = babelHelpers.extends({}, this.props);
   console.log(props);
 })();
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-5151/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-5151/output.js
index 101816250498..23255c44a789 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-5151/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-5151/output.js
@@ -3,7 +3,7 @@ const {
 } = a,
       y = babelHelpers.objectWithoutProperties(a, ["x"]),
       z = foo(y);
-const s = babelHelpers.objectWithoutProperties(r, []),
+const s = babelHelpers.extends({}, r),
       t = foo(s); // ordering is preserved
 
 var l = foo(),
diff --git a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7304/output.js b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7304/output.js
index b0abfb9a44aa..f162415e914e 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7304/output.js
+++ b/packages/babel-plugin-proposal-object-rest-spread/test/fixtures/regression/gh-7304/output.js
@@ -7,7 +7,7 @@ exports.default = void 0;
 
 class _default {
   method(_ref) {
-    let object = babelHelpers.objectWithoutProperties(_ref, []);
+    let object = Object.assign({}, _ref);
   }
 
 }
diff --git a/packages/babel-plugin-transform-destructuring/README.md b/packages/babel-plugin-transform-destructuring/README.md
index 93c9fcdf0c69..33d1677a1959 100644
--- a/packages/babel-plugin-transform-destructuring/README.md
+++ b/packages/babel-plugin-transform-destructuring/README.md
@@ -51,3 +51,42 @@ require("@babel/core").transform("code", {
   plugins: ["@babel/plugin-transform-destructuring"]
 });
 ```
+
+## Options
+
+### `loose`
+
+`boolean`, defaults to `false`.
+
+Enabling this option will assume that what you want to destructure is an array and won't use `Array.from` on other iterables.
+
+### `useBuiltIns`
+
+`boolean`, defaults to `false`.
+
+Enabling this option will use `Object.assign` directly instead of the Babel's `extends` helper. 
+
+##### Example
+
+**.babelrc**
+
+```json
+{
+  "plugins": [
+    ["@babel/plugin-transform-destructuring", { "useBuiltIns": true }]
+  ]
+}
+```
+
+**In**
+
+```js
+var { ...x } = z;
+```
+
+**Out**
+
+```js
+var _z = z,
+    x = Object.assign({}, _z);
+```
diff --git a/packages/babel-plugin-transform-destructuring/src/index.js b/packages/babel-plugin-transform-destructuring/src/index.js
index 88057b7ad0bc..60dcdcda1bbc 100644
--- a/packages/babel-plugin-transform-destructuring/src/index.js
+++ b/packages/babel-plugin-transform-destructuring/src/index.js
@@ -4,13 +4,20 @@ import { types as t } from "@babel/core";
 export default declare((api, options) => {
   api.assertVersion(7);
 
-  const { loose = false } = options;
+  const { loose = false, useBuiltIns = false } = options;
+
   if (typeof loose !== "boolean") {
     throw new Error(`.loose must be a boolean or undefined`);
   }
 
   const arrayOnlySpread = loose;
 
+  function getExtendsHelper(file) {
+    return useBuiltIns
+      ? t.memberExpression(t.identifier("Object"), t.identifier("assign"))
+      : file.addHelper("extends");
+  }
+
   /**
    * Test if a VariableDeclaration's declarations contains any Patterns.
    */
@@ -172,14 +179,21 @@ export default declare((api, options) => {
         keys.push(t.cloneNode(key));
       }
 
-      keys = t.arrayExpression(keys);
+      let value;
+      if (keys.length === 0) {
+        value = t.callExpression(getExtendsHelper(this), [
+          t.objectExpression([]),
+          t.cloneNode(objRef),
+        ]);
+      } else {
+        keys = t.arrayExpression(keys);
 
-      //
+        value = t.callExpression(this.addHelper("objectWithoutProperties"), [
+          t.cloneNode(objRef),
+          keys,
+        ]);
+      }
 
-      const value = t.callExpression(
-        this.addHelper("objectWithoutProperties"),
-        [t.cloneNode(objRef), keys],
-      );
       this.nodes.push(this.buildVariableAssignment(spreadProp.argument, value));
     }
 
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/input.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/input.js
new file mode 100644
index 000000000000..20b5387a592e
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/input.js
@@ -0,0 +1,7 @@
+var z = {};
+var { ...x } = z;
+var { x, ...y } = z;
+var { [x]: x, ...y } = z;
+(function({ x, ...y }) { });
+
+({ x, y, ...z } = o);
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/options.json b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/options.json
new file mode 100644
index 000000000000..a4a5f2d213ea
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/options.json
@@ -0,0 +1,11 @@
+{
+  "plugins": [
+    "external-helpers",
+    ["transform-destructuring", { "useBuiltIns": true }],
+    "transform-spread",
+    "transform-parameters",
+    "transform-block-scoping",
+    "proposal-object-rest-spread",
+    "transform-regenerator"
+  ]
+}
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/output.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/output.js
new file mode 100644
index 000000000000..8e8f96790853
--- /dev/null
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest-builtins/output.js
@@ -0,0 +1,20 @@
+var z = {};
+var _z = z,
+    x = Object.assign({}, _z);
+var _z2 = z,
+    x = _z2.x,
+    y = babelHelpers.objectWithoutProperties(_z2, ["x"]);
+var _z3 = z,
+    x = _z3[x],
+    y = babelHelpers.objectWithoutProperties(_z3, [x]);
+
+(function (_ref) {
+  var x = _ref.x,
+      y = babelHelpers.objectWithoutProperties(_ref, ["x"]);
+});
+
+var _o = o;
+x = _o.x;
+y = _o.y;
+z = babelHelpers.objectWithoutProperties(_o, ["x", "y"]);
+_o;
diff --git a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest/output.js b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest/output.js
index 5c7315f73b0b..0729c49dd0e2 100644
--- a/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest/output.js
+++ b/packages/babel-plugin-transform-destructuring/test/fixtures/destructuring/es7-object-rest/output.js
@@ -1,6 +1,6 @@
 var z = {};
 var _z = z,
-    x = babelHelpers.objectWithoutProperties(_z, []);
+    x = babelHelpers.extends({}, _z);
 var _z2 = z,
     x = _z2.x,
     y = babelHelpers.objectWithoutProperties(_z2, ["x"]);

From 586d3b5929acb57586d232184e070a67a91be40f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Wed, 14 Mar 2018 23:48:33 +0100
Subject: [PATCH 123/140] Wrap wrapNativeSuper helpers in redefining functions
 for better tree-shakeability (#7188)

---
 packages/babel-helpers/src/helpers.js         | 81 +++++++++++--------
 .../fixtures/extend-builtins/loose/output.js  | 10 +--
 .../fixtures/extend-builtins/spec/output.js   | 10 +--
 .../plugins-integration/issue-7527/output.js  | 10 +--
 4 files changed, 58 insertions(+), 53 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index fe17bc32da26..b8dfe9119a57 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -445,46 +445,57 @@ helpers.inheritsLoose = () => template.program.ast`
 
 // Based on https://github.com/WebReflection/babel-plugin-transform-builtin-classes
 helpers.wrapNativeSuper = () => template.program.ast`
-  var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__ };
-  var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o };
-  var _construct = (typeof Reflect === "object" && Reflect.construct) ||
-    function _construct(Parent, args, Class) {
-      var Constructor, a = [null];
-      a.push.apply(a, args);
-      Constructor = Parent.bind.apply(Parent, a);
-      return _sPO(new Constructor, Class.prototype);
-    };
-
-  var _cache = typeof Map === "function" ? new Map() : undefined;
+  function _gPO(o) {
+    _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__ };
+    return _gPO(o);
+  }
+  function _sPO(o, p) {
+    _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o };
+    return _sPO(o, p);
+  }
+  function _construct(Parent, args, Class) {
+    _construct = (typeof Reflect === "object" && Reflect.construct) ||
+      function _construct(Parent, args, Class) {
+        var Constructor, a = [null];
+        a.push.apply(a, args);
+        Constructor = Parent.bind.apply(Parent, a);
+        return _sPO(new Constructor, Class.prototype);
+      };
+    return _construct(Parent, args, Class);
+  }
 
   export default function _wrapNativeSuper(Class) {
-    if (typeof Class !== "function") {
-      throw new TypeError("Super expression must either be null or a function");
-    }
+    var _cache = typeof Map === "function" ? new Map() : undefined;
 
-    if (typeof _cache !== "undefined") {
-      if (_cache.has(Class)) return _cache.get(Class);
-      _cache.set(Class, Wrapper);
+    _wrapNativeSuper = function _wrapNativeSuper(Class) {
+      if (typeof Class !== "function") {
+        throw new TypeError("Super expression must either be null or a function");
+      }
+      if (typeof _cache !== "undefined") {
+        if (_cache.has(Class)) return _cache.get(Class);
+        _cache.set(Class, Wrapper);
+      }
+      function Wrapper() {}
+      Wrapper.prototype = Object.create(Class.prototype, {
+        constructor: {
+          value: Wrapper,
+          enumerable: false,
+          writable: true,
+          configurable: true,
+        }
+      });
+      return _sPO(
+        Wrapper,
+        _sPO(
+          function Super() {
+            return _construct(Class, arguments, _gPO(this).constructor);
+          },
+          Class
+        )
+      );
     }
 
-    function Wrapper() {}
-    Wrapper.prototype = Object.create(Class.prototype, {
-      constructor: {
-        value: Wrapper,
-        enumerable: false,
-        writable: true,
-        configurable: true,
-      }
-    });
-    return _sPO(
-      Wrapper,
-      _sPO(
-        function Super() {
-          return _construct(Class, arguments, _gPO(this).constructor);
-        },
-        Class
-      )
-    );
+    return _wrapNativeSuper(Class)
   }
 `;
 
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
index 78f80feba6b5..35bb5541b909 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js
@@ -1,14 +1,12 @@
 function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
 
-var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
+function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
 
-var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
+function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
 
-var _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
+function _construct(Parent, args, Class) { _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); }; return _construct(Parent, args, Class); }
 
-var _cache = typeof Map === "function" ? new Map() : undefined;
-
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
 
 var List =
 /*#__PURE__*/
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
index 15d0afe00817..877197c6617e 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js
@@ -6,15 +6,13 @@ function _assertThisInitialized(self) { if (self === void 0) { throw new Referen
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
-var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
+function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
 
-var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
+function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
 
-var _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
+function _construct(Parent, args, Class) { _construct = typeof Reflect === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); }; return _construct(Parent, args, Class); }
 
-var _cache = typeof Map === "function" ? new Map() : undefined;
-
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
 
 var List =
 /*#__PURE__*/
diff --git a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
index d471e0219482..0e08c36ad792 100644
--- a/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
+++ b/packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js
@@ -10,15 +10,13 @@ function _assertThisInitialized(self) { if (self === void 0) { throw new Referen
 
 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
 
-var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
+function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
 
-var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
+function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
 
-var _construct = (typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect)) === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); };
+function _construct(Parent, args, Class) { _construct = (typeof Reflect === "undefined" ? "undefined" : _typeof(Reflect)) === "object" && Reflect.construct || function _construct(Parent, args, Class) { var Constructor, a = [null]; a.push.apply(a, args); Constructor = Parent.bind.apply(Parent, a); return _sPO(new Constructor(), Class.prototype); }; return _construct(Parent, args, Class); }
 
-var _cache = typeof Map === "function" ? new Map() : undefined;
-
-function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
+function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
 
 var MyDate =
 /*#__PURE__*/

From 82994ce0874e5e6bdb5613ab731fdd7fcd3600ef Mon Sep 17 00:00:00 2001
From: Melvin Groenhoff <melvingroenhoff@gmail.com>
Date: Thu, 15 Mar 2018 14:45:26 +0100
Subject: [PATCH 124/140] Fix "Module build failed: Error: Cannot find module
 '@babel/types'" (#7575)

* @babel/template and @babel/types are dependencies instead of devDependencies (fixes #7573).

* Use @babel/types and @babel/template via @babel/core
---
 .../package.json                                              | 4 +---
 .../src/for-await.js                                          | 3 +--
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index d6b46e7f7673..9fa95971b921 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -18,8 +18,6 @@
   },
   "devDependencies": {
     "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
   }
 }
diff --git a/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js b/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
index d28631c360d8..4763b2854ccf 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
+++ b/packages/babel-plugin-proposal-async-generator-functions/src/for-await.js
@@ -1,5 +1,4 @@
-import * as t from "@babel/types";
-import template from "@babel/template";
+import { types as t, template } from "@babel/core";
 
 const buildForAwait = template(`
   async function wrapper() {

From 29d44193cd894574fa7b1fb971f0f27cda806182 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABl=20Gillard?= <gillardgael@gmail.com>
Date: Fri, 9 Mar 2018 11:51:51 +0100
Subject: [PATCH 125/140] Use helper-module-imports instead of custom import
 (#7457)

---
 packages/babel-preset-env/package.json        |  1 +
 .../src/use-built-ins-plugin.js               |  7 ++---
 packages/babel-preset-env/src/utils.js        | 27 -------------------
 3 files changed, 5 insertions(+), 30 deletions(-)

diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index ab1d6ab6deae..dd55678a519e 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -11,6 +11,7 @@
     "build-data": "node ./scripts/build-data.js; node ./scripts/build-modules-support.js"
   },
   "dependencies": {
+    "@babel/helper-module-imports": "7.0.0-beta.41",
     "@babel/helper-plugin-utils": "7.0.0-beta.41",
     "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
     "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
diff --git a/packages/babel-preset-env/src/use-built-ins-plugin.js b/packages/babel-preset-env/src/use-built-ins-plugin.js
index 25ebd661a892..e58c7b13bc45 100644
--- a/packages/babel-preset-env/src/use-built-ins-plugin.js
+++ b/packages/babel-preset-env/src/use-built-ins-plugin.js
@@ -1,7 +1,9 @@
 // @flow
+import { addSideEffect } from "@babel/helper-module-imports";
+
 import { definitions } from "./built-in-definitions";
 import { logUsagePolyfills } from "./debug";
-import { createImport, isPolyfillSource, isRequire } from "./utils";
+import { isPolyfillSource, isRequire } from "./utils";
 
 type Plugin = {
   visitor: Object,
@@ -42,8 +44,7 @@ export default function({ types: t }: { types: Object }): Plugin {
   ): void {
     if (builtIn && !builtIns.has(builtIn)) {
       builtIns.add(builtIn);
-      const programPath = path.find(path => path.isProgram());
-      programPath.unshiftContainer("body", createImport(t, builtIn));
+      addSideEffect(path, builtIn);
     }
   }
 
diff --git a/packages/babel-preset-env/src/utils.js b/packages/babel-preset-env/src/utils.js
index 714ce2d56f9f..06618a77b9e0 100644
--- a/packages/babel-preset-env/src/utils.js
+++ b/packages/babel-preset-env/src/utils.js
@@ -96,30 +96,3 @@ export const isRequire = (t: Object, path: Object): boolean =>
   path.node.expression.arguments.length === 1 &&
   t.isStringLiteral(path.node.expression.arguments[0]) &&
   isPolyfillSource(path.node.expression.arguments[0].value);
-
-const modulePathMap = {
-  "regenerator-runtime": "regenerator-runtime/runtime",
-};
-
-export const getModulePath = (mod: string) =>
-  modulePathMap[mod] || `core-js/modules/${mod}`;
-
-export type RequireType = "require" | "import";
-
-export const createImport = (
-  t: Object,
-  polyfill: string,
-  requireType?: RequireType = "import",
-): Object => {
-  const modulePath = getModulePath(polyfill);
-
-  if (requireType === "import") {
-    const declar = t.importDeclaration([], t.stringLiteral(modulePath));
-    declar._blockHoist = 3;
-    return declar;
-  }
-
-  return t.expressionStatement(
-    t.callExpression(t.identifier("require"), [t.stringLiteral(modulePath)]),
-  );
-};

From fed530f6bf487c76a707bb0daecb2be59fb1f453 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Tue, 13 Mar 2018 21:55:52 -0500
Subject: [PATCH 126/140] Use helper-module-import inside entry plugin too

---
 .../src/use-built-ins-entry-plugin.js         | 45 +++++++++----------
 .../src/use-built-ins-plugin.js               |  6 +--
 packages/babel-preset-env/src/utils.js        | 12 ++++-
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../symbol-iterator/{input.js => input.mjs}   |  0
 .../symbol-iterator/{output.js => output.mjs} |  0
 .../yield-non-star/{input.js => input.mjs}    |  0
 .../yield-non-star/{output.js => output.mjs}  |  0
 .../yield-star/{input.js => input.mjs}        |  0
 .../yield-star/{output.js => output.mjs}      |  0
 .../builtins-false/{input.js => input.mjs}    |  0
 .../builtins-false/{output.js => output.mjs}  |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../builtins-used/{input.js => input.mjs}     |  0
 .../builtins-used/{output.js => output.mjs}   |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../no-builtins-used/{input.js => input.mjs}  |  0
 .../{output.js => output.mjs}                 |  0
 .../number-ie11/{input.js => input.mjs}       |  0
 .../number-ie11/{output.js => output.mjs}     |  0
 .../promise-all/{input.js => input.mjs}       |  0
 .../promise-all/{output.js => output.mjs}     |  0
 .../promise-race/{input.js => input.mjs}      |  0
 .../promise-race/{output.js => output.mjs}    |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../source-type-script/input.js               |  8 ++++
 .../source-type-script/options.json           | 12 +++++
 .../source-type-script/output.js              | 11 +++++
 .../input.mjs}                                |  0
 .../options.json                              |  1 -
 .../output.js                                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../{input.js => input.mjs}                   |  0
 .../{output.js => output.mjs}                 |  0
 .../empty-options/{input.js => input.mjs}     |  0
 .../preset-options/empty-options/output.js    |  2 +
 .../exclude/{input.js => input.mjs}           |  0
 .../exclude/{output.js => output.mjs}         |  0
 .../include/{input.js => input.mjs}           |  0
 .../include/{output.js => output.mjs}         |  0
 .../ios-10/{input.js => input.mjs}            |  0
 .../ios-10/{output.js => output.mjs}          |  0
 .../{input.js => input.mjs}                   |  0
 .../loose-typeof-symbol/output.js             |  2 +
 .../{input.js => input.mjs}                   |  0
 .../output.js                                 |  2 +
 .../no-options/{input.js => input.mjs}        |  0
 .../preset-options/no-options/output.js       |  2 +
 73 files changed, 73 insertions(+), 30 deletions(-)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/no-builtins-used/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/no-builtins-used/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/number-ie11/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/{output.js => output.mjs} (100%)
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/output.js
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/{test-modules-tranform/input.js => test-modules-transform/input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/{test-modules-tranform => test-modules-transform}/options.json (76%)
 rename packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/{test-modules-tranform => test-modules-transform}/output.js (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/empty-options/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/exclude/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/exclude/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/include/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/include/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/ios-10/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/ios-10/{output.js => output.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/{input.js => input.mjs} (100%)
 rename packages/babel-preset-env/test/fixtures/preset-options/no-options/{input.js => input.mjs} (100%)

diff --git a/packages/babel-preset-env/src/use-built-ins-entry-plugin.js b/packages/babel-preset-env/src/use-built-ins-entry-plugin.js
index 0c6620fc053f..bb2680969c71 100644
--- a/packages/babel-preset-env/src/use-built-ins-entry-plugin.js
+++ b/packages/babel-preset-env/src/use-built-ins-entry-plugin.js
@@ -1,11 +1,6 @@
 // @flow
 import { logEntryPolyfills } from "./debug";
-import {
-  createImport,
-  isPolyfillSource,
-  isRequire,
-  type RequireType,
-} from "./utils";
+import { createImport, isPolyfillSource, isRequire } from "./utils";
 
 type Plugin = {
   visitor: Object,
@@ -15,21 +10,22 @@ type Plugin = {
 };
 
 export default function({ types: t }: { types: Object }): Plugin {
-  function createImports(
-    polyfills: Array<string>,
-    requireType: RequireType,
+  function replaceWithPolyfillImports(
+    path: Object,
+    polyfills: Array<string> | Set<string>,
     regenerator: boolean,
-  ): Array<Object> {
-    const items = Array.isArray(polyfills) ? new Set(polyfills) : polyfills;
-    const imports = [];
+  ): void {
+    if (regenerator) {
+      createImport(path, "regenerator-runtime");
+    }
 
-    items.forEach(p => imports.push(createImport(t, p, requireType)));
+    const items = Array.isArray(polyfills) ? new Set(polyfills) : polyfills;
 
-    if (regenerator) {
-      imports.push(createImport(t, "regenerator-runtime", requireType));
+    for (const p of Array.from(items).reverse()) {
+      createImport(path, p);
     }
 
-    return imports;
+    path.remove();
   }
 
   const isPolyfillImport = {
@@ -39,20 +35,21 @@ export default function({ types: t }: { types: Object }): Plugin {
         isPolyfillSource(path.node.source.value)
       ) {
         this.importPolyfillIncluded = true;
-        path.replaceWithMultiple(
-          createImports(state.opts.polyfills, "import", state.opts.regenerator),
+
+        replaceWithPolyfillImports(
+          path,
+          state.opts.polyfills,
+          state.opts.regenerator,
         );
       }
     },
     Program(path, state) {
       path.get("body").forEach(bodyPath => {
         if (isRequire(t, bodyPath)) {
-          bodyPath.replaceWithMultiple(
-            createImports(
-              state.opts.polyfills,
-              "require",
-              state.opts.regenerator,
-            ),
+          replaceWithPolyfillImports(
+            bodyPath,
+            state.opts.polyfills,
+            state.opts.regenerator,
           );
         }
       });
diff --git a/packages/babel-preset-env/src/use-built-ins-plugin.js b/packages/babel-preset-env/src/use-built-ins-plugin.js
index e58c7b13bc45..6fcfe2dbf64a 100644
--- a/packages/babel-preset-env/src/use-built-ins-plugin.js
+++ b/packages/babel-preset-env/src/use-built-ins-plugin.js
@@ -1,9 +1,7 @@
 // @flow
-import { addSideEffect } from "@babel/helper-module-imports";
-
 import { definitions } from "./built-in-definitions";
 import { logUsagePolyfills } from "./debug";
-import { isPolyfillSource, isRequire } from "./utils";
+import { createImport, isPolyfillSource, isRequire } from "./utils";
 
 type Plugin = {
   visitor: Object,
@@ -44,7 +42,7 @@ export default function({ types: t }: { types: Object }): Plugin {
   ): void {
     if (builtIn && !builtIns.has(builtIn)) {
       builtIns.add(builtIn);
-      addSideEffect(path, builtIn);
+      createImport(path, builtIn);
     }
   }
 
diff --git a/packages/babel-preset-env/src/utils.js b/packages/babel-preset-env/src/utils.js
index 06618a77b9e0..7f08ad109c4a 100644
--- a/packages/babel-preset-env/src/utils.js
+++ b/packages/babel-preset-env/src/utils.js
@@ -1,6 +1,6 @@
 // @flow
-
 import semver from "semver";
+import { addSideEffect } from "@babel/helper-module-imports";
 import unreleasedLabels from "../data/unreleased-labels";
 import { semverMin } from "./targets-parser";
 import type { Targets } from "./types";
@@ -88,6 +88,16 @@ export const filterStageFromList = (list: any, stageList: any) => {
 export const isPolyfillSource = (source: string): boolean =>
   source === "@babel/polyfill" || source === "core-js";
 
+const modulePathMap = {
+  "regenerator-runtime": "regenerator-runtime/runtime",
+};
+
+export const getModulePath = (mod: string) =>
+  modulePathMap[mod] || `core-js/modules/${mod}`;
+
+export const createImport = (path: Object, mod: string) =>
+  addSideEffect(path, getModulePath(mod));
+
 export const isRequire = (t: Object, path: Object): boolean =>
   t.isExpressionStatement(path.node) &&
   t.isCallExpression(path.node.expression) &&
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/input.js b/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/input.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/output.js b/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/output.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator-in/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/input.js b/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/input.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/output.js b/packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/output.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/symbol-iterator/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/input.js b/packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/input.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/output.js b/packages/babel-preset-env/test/fixtures/dom-iterable/yield-non-star/output.mjs
similarity index 100%
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diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/input.js b/packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/input.mjs
similarity index 100%
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rename to packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/output.js b/packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/output.js
rename to packages/babel-preset-env/test/fixtures/dom-iterable/yield-star/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-false/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/output.mjs
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rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-class-methods/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/input.mjs
similarity index 100%
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rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/output.mjs
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rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-evaluated-instance-methods/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/input.mjs
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rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/output.mjs
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rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods-native-support/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/input.mjs
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rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-instance-methods/output.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used-native-support/output.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/builtins-used/output.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-with/output.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/for-of-destructure-without/output.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/no-builtins-used/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/no-builtins-used/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-all/input.mjs
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diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/promise-race/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async-native-support/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-async/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator-native-support/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/regenerator-used-generator/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/input.js
new file mode 100644
index 000000000000..39f9e5858b8c
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/input.js
@@ -0,0 +1,8 @@
+require("foo");
+
+const x = new Promise(resolve => {
+  const p = [];
+
+  if (p.includes("a")) {
+  }
+});
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/options.json
new file mode 100644
index 000000000000..a92e3abd7a6c
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/options.json
@@ -0,0 +1,12 @@
+{
+  "presets": [
+    ["../../../../lib", {
+      "modules": false,
+      "targets": {
+        "node": "4.0.0"
+      },
+      "useBuiltIns": "usage",
+      "shippedProposals": true
+    }]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/output.js
new file mode 100644
index 000000000000..d98c7e41c6af
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/source-type-script/output.js
@@ -0,0 +1,11 @@
+require("core-js/modules/es7.array.includes");
+
+require("core-js/modules/es6.promise");
+
+require("foo");
+
+var x = new Promise(function (resolve) {
+  var p = [];
+
+  if (p.includes("a")) {}
+});
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/input.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/options.json
similarity index 76%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/options.json
index 6edc64b60435..18d3b5de7ffb 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/options.json
+++ b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/options.json
@@ -1,5 +1,4 @@
 {
-  "sourceType": "module",
   "presets": [
     ["../../../../lib", {
       "useBuiltIns": "usage"
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/output.js b/packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/output.js
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-tranform/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options-add-used-built-ins/test-modules-transform/output.js
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/input.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/output.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-config-ignore-with-false/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/input.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/output.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-config/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/input.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/output.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-package-ignore-with-array/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/input.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/output.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/browserslist-package/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/empty-options/input.js b/packages/babel-preset-env/test/fixtures/preset-options/empty-options/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/empty-options/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/empty-options/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/empty-options/output.js b/packages/babel-preset-env/test/fixtures/preset-options/empty-options/output.js
index 2c64b68bbb72..b298c5e19dd9 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/empty-options/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/empty-options/output.js
@@ -1 +1,3 @@
+"use strict";
+
 var a = "1";
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/exclude/input.js b/packages/babel-preset-env/test/fixtures/preset-options/exclude/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/exclude/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/exclude/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/exclude/output.js b/packages/babel-preset-env/test/fixtures/preset-options/exclude/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/exclude/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/exclude/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/include/input.js b/packages/babel-preset-env/test/fixtures/preset-options/include/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/include/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/include/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/include/output.js b/packages/babel-preset-env/test/fixtures/preset-options/include/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/include/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/include/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/ios-10/input.js b/packages/babel-preset-env/test/fixtures/preset-options/ios-10/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/ios-10/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/ios-10/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/ios-10/output.js b/packages/babel-preset-env/test/fixtures/preset-options/ios-10/output.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/ios-10/output.js
rename to packages/babel-preset-env/test/fixtures/preset-options/ios-10/output.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/input.js b/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/output.js b/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/output.js
index 6d69e92eaa36..565dccdd1165 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/loose-typeof-symbol/output.js
@@ -1 +1,3 @@
+"use strict";
+
 typeof Symbol();
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/input.js b/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/output.js b/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/output.js
index 35d292f43c1c..47a605e27410 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/loose-with-typeof-symbol-includes/output.js
@@ -1,3 +1,5 @@
+"use strict";
+
 function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
 
 _typeof(Symbol());
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/no-options/input.js b/packages/babel-preset-env/test/fixtures/preset-options/no-options/input.mjs
similarity index 100%
rename from packages/babel-preset-env/test/fixtures/preset-options/no-options/input.js
rename to packages/babel-preset-env/test/fixtures/preset-options/no-options/input.mjs
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/no-options/output.js b/packages/babel-preset-env/test/fixtures/preset-options/no-options/output.js
index 2c64b68bbb72..b298c5e19dd9 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/no-options/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/no-options/output.js
@@ -1 +1,3 @@
+"use strict";
+
 var a = "1";

From b8d1d221f87823e7a6de8f3114958195d874e2aa Mon Sep 17 00:00:00 2001
From: Josh Justice <joshjustice@me.com>
Date: Thu, 15 Mar 2018 14:02:41 -0400
Subject: [PATCH 127/140] Rename actual/expected test files to input/output
 (#7578)

These files appear to have been missed in the update of test file naming from actual/expected.js to input/output.js. As a result, they were silently not being run. I've confirmed that they were not running, updated the names, then confirmed that they are running now.
---
 .../test/fixtures/flow/variance/{actual.js => input.js}           | 0
 .../test/fixtures/flow/variance/{expected.js => output.js}        | 0
 .../variable-declarator-exclamation/{actual.js => input.js}       | 0
 .../variable-declarator-exclamation/{expected.js => output.js}    | 0
 .../test/fixtures/enum/boolean-value/{actual.js => input.js}      | 0
 .../test/fixtures/enum/boolean-value/{expected.js => output.js}   | 0
 .../test/fixtures/enum/inner-references/{actual.js => input.js}   | 0
 .../fixtures/enum/inner-references/{expected.js => output.js}     | 0
 .../fixtures/enum/string-values-computed/{actual.js => input.js}  | 0
 .../enum/string-values-computed/{expected.js => output.js}        | 0
 .../test/fixtures/enum/string-values/{actual.js => input.js}      | 0
 .../test/fixtures/enum/string-values/{expected.js => output.js}   | 0
 .../variable-declaration/exclamation/{actual.js => input.js}      | 0
 .../variable-declaration/exclamation/{expected.js => output.js}   | 0
 14 files changed, 0 insertions(+), 0 deletions(-)
 rename packages/babel-generator/test/fixtures/flow/variance/{actual.js => input.js} (100%)
 rename packages/babel-generator/test/fixtures/flow/variance/{expected.js => output.js} (100%)
 rename packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/{actual.js => input.js} (100%)
 rename packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/{expected.js => output.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/{actual.js => input.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/{expected.js => output.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/{actual.js => input.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/{expected.js => output.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/{actual.js => input.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/{expected.js => output.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/{actual.js => input.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/{expected.js => output.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/{actual.js => input.js} (100%)
 rename packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/{expected.js => output.js} (100%)

diff --git a/packages/babel-generator/test/fixtures/flow/variance/actual.js b/packages/babel-generator/test/fixtures/flow/variance/input.js
similarity index 100%
rename from packages/babel-generator/test/fixtures/flow/variance/actual.js
rename to packages/babel-generator/test/fixtures/flow/variance/input.js
diff --git a/packages/babel-generator/test/fixtures/flow/variance/expected.js b/packages/babel-generator/test/fixtures/flow/variance/output.js
similarity index 100%
rename from packages/babel-generator/test/fixtures/flow/variance/expected.js
rename to packages/babel-generator/test/fixtures/flow/variance/output.js
diff --git a/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/input.js
similarity index 100%
rename from packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/actual.js
rename to packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/input.js
diff --git a/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js b/packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/output.js
similarity index 100%
rename from packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/expected.js
rename to packages/babel-generator/test/fixtures/typescript/variable-declarator-exclamation/output.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/input.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/actual.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/input.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/output.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/expected.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/boolean-value/output.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/input.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/actual.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/input.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/output.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/expected.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/inner-references/output.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/input.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/actual.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/input.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/output.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/expected.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values-computed/output.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/input.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/actual.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/input.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/output.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/expected.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/enum/string-values/output.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/input.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/actual.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/input.js
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js b/packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/output.js
similarity index 100%
rename from packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/expected.js
rename to packages/babel-plugin-transform-typescript/test/fixtures/variable-declaration/exclamation/output.js

From 017d0e70786e96580f9911a6596549a0399d5b79 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 15 Mar 2018 11:45:53 -0700
Subject: [PATCH 128/140] Ensure that the backward-compat logic for
 plugin-utils copies over the version API properly. (#7580)

---
 packages/babel-core/src/config/full.js        |  3 +-
 .../babel-helper-plugin-utils/src/index.js    | 29 ++++++++++++++++++-
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/packages/babel-core/src/config/full.js b/packages/babel-core/src/config/full.js
index a65a2e9ff070..0ae4ade63bc8 100644
--- a/packages/babel-core/src/config/full.js
+++ b/packages/babel-core/src/config/full.js
@@ -174,8 +174,7 @@ const loadDescriptor = makeWeakCache(
 
     let item = value;
     if (typeof value === "function") {
-      const api = Object.assign(Object.create(context), makeAPI(cache));
-
+      const api = Object.assign({}, context, makeAPI(cache));
       try {
         item = value(api, options, dirname);
       } catch (e) {
diff --git a/packages/babel-helper-plugin-utils/src/index.js b/packages/babel-helper-plugin-utils/src/index.js
index d789aaafb433..e8534608d821 100644
--- a/packages/babel-helper-plugin-utils/src/index.js
+++ b/packages/babel-helper-plugin-utils/src/index.js
@@ -3,7 +3,7 @@ export function declare(builder) {
     if (!api.assertVersion) {
       // Inject a custom version of 'assertVersion' for Babel 6 and early
       // versions of Babel 7's beta that didn't have it.
-      api = Object.assign({}, api, {
+      api = Object.assign(copyApiObject(api), {
         assertVersion(range) {
           throwVersionError(range, api.version);
         },
@@ -14,6 +14,33 @@ export function declare(builder) {
   };
 }
 
+function copyApiObject(api) {
+  // Babel >= 7 <= beta.41 passed the API as a new object that had
+  // babel/core as the prototype. While slightly faster, it also
+  // means that the Object.assign copy below fails. Rather than
+  // keep complexity, the Babel 6 behavior has been reverted and this
+  // normalizes all that for Babel 7.
+  let proto = null;
+  if (typeof api.version === "string" && /^7\./.test(api.version)) {
+    proto = Object.getPrototypeOf(api);
+    if (
+      proto &&
+      (!has(proto, "version") ||
+        !has(proto, "transform") ||
+        !has(proto, "template") ||
+        !has(proto, "types"))
+    ) {
+      proto = null;
+    }
+  }
+
+  return Object.assign({}, proto, api);
+}
+
+function has(obj, key) {
+  return Object.prototype.hasOwnProperty.call(obj, key);
+}
+
 function throwVersionError(range, version) {
   if (typeof range === "number") {
     if (!Number.isInteger(range)) {

From b6e54800b411960985c74ac23ba29add215642c6 Mon Sep 17 00:00:00 2001
From: Ben Wiley <therealbenwiley@gmail.com>
Date: Thu, 15 Mar 2018 16:20:14 -0400
Subject: [PATCH 129/140] Remove outdated spec deviation note [skip ci] (#7571)

`JSXText` was added to the JSX spec [here](https://github.com/facebook/jsx/pull/80).
---
 packages/babylon/README.md | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/babylon/README.md b/packages/babylon/README.md
index 8f75fe8c0f7e..c1762058bea1 100644
--- a/packages/babylon/README.md
+++ b/packages/babylon/README.md
@@ -66,9 +66,7 @@ It is based on [ESTree spec][] with the following deviations:
 - [Program][] and [BlockStatement][] contain additional `directives` field with [Directive][] and [DirectiveLiteral][]
 - [ClassMethod][], [ObjectProperty][], and [ObjectMethod][] value property's properties in [FunctionExpression][] is coerced/brought into the main method node.
 
-AST for JSX code is based on [Facebook JSX AST][] with the addition of one node type:
-
-- `JSXText`
+AST for JSX code is based on [Facebook JSX AST][].
 
 [Babel AST format]: https://github.com/babel/babylon/blob/master/ast/spec.md
 [ESTree spec]: https://github.com/estree/estree

From c662c2ada282a9b7315a08e67bf40cf2841dee87 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 15 Mar 2018 13:27:01 -0700
Subject: [PATCH 130/140] Use strict namespace behavior for mjs files. (#7545)

---
 .../src/index.js                              | 12 +++++++++-
 .../src/normalize-and-load-metadata.js        | 17 +++++++++++++-
 .../test/fixtures/regression/2775/output.js   |  2 +-
 .../src/index.js                              | 22 ++++++++++++++++++-
 .../auxiliary-comment/overview/output.js      |  2 +-
 .../imports-glob/{input.mjs => input.js}      |  0
 .../interop-loose/imports-hoisting/output.js  |  8 +++++--
 .../imports-mixing/{input.mjs => input.js}    |  0
 .../test/fixtures/interop-loose/options.json  |  1 +
 .../overview/{input.mjs => input.js}          |  0
 .../imports-glob/{input.mjs => input.js}      |  0
 .../interop/imports-hoisting/output.js        |  8 +++++--
 .../imports-mixing/{input.mjs => input.js}    |  0
 .../test/fixtures/interop/options.json        |  1 +
 .../interop/overview/{input.mjs => input.js}  |  0
 .../lazy-dep/import-namespace/output.js       |  2 +-
 .../lazy-dep/reexport-namespace/output.js     |  2 +-
 .../lazy-local/import-namespace/output.js     |  2 +-
 .../lazy-local/reexport-namespace/output.js   |  2 +-
 .../lazy-whitelist/import-namespace/output.js |  4 ++--
 .../reexport-namespace/output.js              |  4 ++--
 .../copy-getters-setters-star/options.json    |  5 +++++
 .../misc/copy-getters-setters/output.js       |  4 ++--
 .../misc/import-const-throw/output.js         |  4 +---
 .../misc/reference-source-map/output.js       |  2 +-
 .../fixtures/regression/lazy-7176/output.js   |  2 +-
 .../test/fixtures/strict/options.json         |  2 +-
 27 files changed, 83 insertions(+), 25 deletions(-)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-glob/{input.mjs => input.js} (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-mixing/{input.mjs => input.js} (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/overview/{input.mjs => input.js} (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-glob/{input.mjs => input.js} (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-mixing/{input.mjs => input.js} (100%)
 rename packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/overview/{input.mjs => input.js} (100%)
 create mode 100644 packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters-star/options.json

diff --git a/packages/babel-helper-module-transforms/src/index.js b/packages/babel-helper-module-transforms/src/index.js
index ce07b94e4abe..859b63989fe3 100644
--- a/packages/babel-helper-module-transforms/src/index.js
+++ b/packages/babel-helper-module-transforms/src/index.js
@@ -22,7 +22,16 @@ export { hasExports, isSideEffectImport, isModule };
  */
 export function rewriteModuleStatementsAndPrepareHeader(
   path: NodePath,
-  { exportName, strict, allowTopLevelThis, strictMode, loose, noInterop, lazy },
+  {
+    exportName,
+    strict,
+    allowTopLevelThis,
+    strictMode,
+    loose,
+    noInterop,
+    lazy,
+    esNamespaceOnly,
+  },
 ) {
   assert(isModule(path), "Cannot process module statements in a script");
   path.node.sourceType = "script";
@@ -31,6 +40,7 @@ export function rewriteModuleStatementsAndPrepareHeader(
     noInterop,
     loose,
     lazy,
+    esNamespaceOnly,
   });
 
   if (!allowTopLevelThis) {
diff --git a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
index 0b649b55939e..8ffda284447e 100644
--- a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
+++ b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
@@ -86,7 +86,12 @@ export function isSideEffectImport(source: SourceModuleMetadata) {
 export default function normalizeModuleAndLoadMetadata(
   programPath: NodePath,
   exportName?: string,
-  { noInterop = false, loose = false, lazy = false } = {},
+  {
+    noInterop = false,
+    loose = false,
+    lazy = false,
+    esNamespaceOnly = false,
+  } = {},
 ): ModuleMetadata {
   if (!exportName) {
     exportName = programPath.scope.generateUidIdentifier("exports").name;
@@ -107,6 +112,16 @@ export default function normalizeModuleAndLoadMetadata(
     }
 
     if (noInterop) metadata.interop = "none";
+    else if (esNamespaceOnly) {
+      // Both the default and namespace interops pass through __esModule
+      // objects, but the namespace interop is used to enable Babel's
+      // destructuring-like interop behavior for normal CommonJS.
+      // Since some tooling has started to remove that behavior, we expose
+      // it as the `esNamespace` option.
+      if (metadata.interop === "namespace") {
+        metadata.interop = "default";
+      }
+    }
   }
 
   return {
diff --git a/packages/babel-plugin-transform-classes/test/fixtures/regression/2775/output.js b/packages/babel-plugin-transform-classes/test/fixtures/regression/2775/output.js
index 786d7c177df4..599a3a5438d3 100644
--- a/packages/babel-plugin-transform-classes/test/fixtures/regression/2775/output.js
+++ b/packages/babel-plugin-transform-classes/test/fixtures/regression/2775/output.js
@@ -5,7 +5,7 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports.default = void 0;
 
-var _react = babelHelpers.interopRequireWildcard(require("react"));
+var _react = babelHelpers.interopRequireDefault(require("react"));
 
 var RandomComponent =
 /*#__PURE__*/
diff --git a/packages/babel-plugin-transform-modules-commonjs/src/index.js b/packages/babel-plugin-transform-modules-commonjs/src/index.js
index e1f1431ff215..6bf6ff482956 100644
--- a/packages/babel-plugin-transform-modules-commonjs/src/index.js
+++ b/packages/babel-plugin-transform-modules-commonjs/src/index.js
@@ -15,6 +15,14 @@ export default declare((api, options) => {
 
   const {
     loose,
+
+    // 'true' for non-mjs files to strictly have .default, instead of having
+    // destructuring-like behavior for their properties.
+    strictNamespace = false,
+
+    // 'true' for mjs files to strictly have .default, instead of having
+    // destructuring-like behavior for their properties.
+    mjsStrictNamespace = true,
     allowTopLevelThis,
     strict,
     strictMode,
@@ -32,6 +40,13 @@ export default declare((api, options) => {
     throw new Error(`.lazy must be a boolean, array of strings, or a function`);
   }
 
+  if (typeof strictNamespace !== "boolean") {
+    throw new Error(`.strictNamespace must be a boolean, or undefined`);
+  }
+  if (typeof mjsStrictNamespace !== "boolean") {
+    throw new Error(`.mjsStrictNamespace must be a boolean, or undefined`);
+  }
+
   const getAssertion = localName => template.expression.ast`
     (function(){
       throw new Error(
@@ -103,7 +118,7 @@ export default declare((api, options) => {
   return {
     visitor: {
       Program: {
-        exit(path) {
+        exit(path, state) {
           if (!isModule(path)) return;
 
           // Rename the bindings auto-injected into the scope so there is no
@@ -137,6 +152,11 @@ export default declare((api, options) => {
               allowTopLevelThis,
               noInterop,
               lazy,
+              esNamespaceOnly:
+                typeof state.filename === "string" &&
+                /\.mjs$/.test(state.filename)
+                  ? mjsStrictNamespace
+                  : strictNamespace,
             },
           );
 
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
index 6d16e52641ad..dfa19a51ab03 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/auxiliary-comment/overview/output.js
@@ -31,7 +31,7 @@ _foo2 = babelHelpers.interopRequireDefault(require("foo2"))
 
 var
 /*before*/
-foo2 = babelHelpers.interopRequireWildcard(require("foo3"))
+foo2 = babelHelpers.interopRequireDefault(require("foo3"))
 /*after*/
 ;
 
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-glob/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-glob/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-glob/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-glob/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
index b1133b75bdba..f3ae7f097128 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-hoisting/output.js
@@ -1,5 +1,9 @@
-var _taggedTemplateLiteral = require("@babel/runtime/helpers/taggedTemplateLiteral");
+"use strict";
 
-var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"]);
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+var _taggedTemplateLiteral2 = _interopRequireDefault(require("@babel/runtime/helpers/taggedTemplateLiteral"));
+
+var _templateObject = /*#__PURE__*/ (0, _taggedTemplateLiteral2.default)(["foo"]);
 
 tag(_templateObject);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-mixing/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-mixing/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-mixing/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/imports-mixing/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/options.json
index 4a31dd9de28f..0f456743bc92 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/options.json
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/options.json
@@ -1,4 +1,5 @@
 {
+  "sourceType": "module",
   "plugins": [
     "external-helpers",
     ["transform-modules-commonjs", { "loose": true }]
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/overview/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/overview/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/overview/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop-loose/overview/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-glob/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-glob/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-glob/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-glob/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
index b1133b75bdba..f3ae7f097128 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-hoisting/output.js
@@ -1,5 +1,9 @@
-var _taggedTemplateLiteral = require("@babel/runtime/helpers/taggedTemplateLiteral");
+"use strict";
 
-var _templateObject = /*#__PURE__*/ _taggedTemplateLiteral(["foo"]);
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+var _taggedTemplateLiteral2 = _interopRequireDefault(require("@babel/runtime/helpers/taggedTemplateLiteral"));
+
+var _templateObject = /*#__PURE__*/ (0, _taggedTemplateLiteral2.default)(["foo"]);
 
 tag(_templateObject);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-mixing/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-mixing/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-mixing/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/imports-mixing/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/options.json
index e38115115dca..47d0b962b92f 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/options.json
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/options.json
@@ -1,3 +1,4 @@
 {
+  "sourceType": "module",
   "plugins": ["external-helpers", "transform-modules-commonjs"]
 }
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/overview/input.mjs b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/overview/input.js
similarity index 100%
rename from packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/overview/input.mjs
rename to packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/overview/input.js
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/import-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/import-namespace/output.js
index e720a87205fb..ef26faaebcf2 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/import-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/import-namespace/output.js
@@ -1,7 +1,7 @@
 "use strict";
 
 function foo() {
-  const data = babelHelpers.interopRequireWildcard(require("foo"));
+  const data = babelHelpers.interopRequireDefault(require("foo"));
 
   foo = function () {
     return data;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/reexport-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/reexport-namespace/output.js
index 239f67e25a87..cb6dab1f4162 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/reexport-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-dep/reexport-namespace/output.js
@@ -6,7 +6,7 @@ Object.defineProperty(exports, "__esModule", {
 exports.namespace = void 0;
 
 function namespace() {
-  const data = babelHelpers.interopRequireWildcard(require("foo"));
+  const data = babelHelpers.interopRequireDefault(require("foo"));
 
   namespace = function () {
     return data;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/import-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/import-namespace/output.js
index d041921ee450..ffdc4d816346 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/import-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/import-namespace/output.js
@@ -1,4 +1,4 @@
 "use strict";
 
-var foo = babelHelpers.interopRequireWildcard(require("./foo"));
+var foo = babelHelpers.interopRequireDefault(require("./foo"));
 console.log(foo);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/reexport-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/reexport-namespace/output.js
index 6aad5e4726b7..82e3c24904e1 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/reexport-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-local/reexport-namespace/output.js
@@ -4,5 +4,5 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 exports.namespace = void 0;
-var namespace = babelHelpers.interopRequireWildcard(require("./foo"));
+var namespace = babelHelpers.interopRequireDefault(require("./foo"));
 exports.namespace = namespace;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
index 703d0cdd86d9..848b8cb1d317 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
@@ -1,9 +1,9 @@
 "use strict";
 
-var foo1 = babelHelpers.interopRequireWildcard(require("white"));
+var foo1 = babelHelpers.interopRequireDefault(require("white"));
 
 function foo2() {
-  const data = babelHelpers.interopRequireWildcard(require("black"));
+  const data = babelHelpers.interopRequireDefault(require("black"));
 
   foo2 = function () {
     return data;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
index 7e52454406e7..999143700b19 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
@@ -4,11 +4,11 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 exports.namespace2 = exports.namespace1 = void 0;
-var namespace1 = babelHelpers.interopRequireWildcard(require("white"));
+var namespace1 = babelHelpers.interopRequireDefault(require("white"));
 exports.namespace1 = namespace1;
 
 function namespace2() {
-  const data = babelHelpers.interopRequireWildcard(require("black"));
+  const data = babelHelpers.interopRequireDefault(require("black"));
 
   namespace2 = function () {
     return data;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters-star/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters-star/options.json
new file mode 100644
index 000000000000..fd06b45cf2e4
--- /dev/null
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters-star/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [
+    ["transform-modules-commonjs", { "mjsStrictNamespace": false }]
+  ]
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters/output.js
index c545f5310d85..721f9af381e8 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/copy-getters-setters/output.js
@@ -16,6 +16,6 @@ Object.defineProperty(exports, "baz", {
   }
 });
 
-var _moduleWithGetter = _interopRequireWildcard(require("./moduleWithGetter"));
+var _moduleWithGetter = _interopRequireDefault(require("./moduleWithGetter"));
 
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/import-const-throw/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/import-const-throw/output.js
index 2433845dbdc2..7b05f0c82458 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/import-const-throw/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/import-const-throw/output.js
@@ -2,12 +2,10 @@
 
 var _foo = _interopRequireDefault(require("foo"));
 
-var Bar = _interopRequireWildcard(require("bar"));
+var Bar = _interopRequireDefault(require("bar"));
 
 var _baz = require("baz");
 
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
-
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 _foo.default = (42, function () {
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
index b09c24ce46c9..c40ee11036e2 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/reference-source-map/output.js
@@ -6,7 +6,7 @@ var _two = require("two");
 
 var _three = require("three");
 
-var aNamespace = babelHelpers.interopRequireWildcard(require("four"));
+var aNamespace = babelHelpers.interopRequireDefault(require("four"));
 console.log(_one.default);
 console.log(_two.aNamed);
 console.log(_three.orig);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js
index 1d580efea9c8..7ed4c7dfaf61 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/lazy-7176/output.js
@@ -1,7 +1,7 @@
 "use strict";
 
 function mod() {
-  const data = babelHelpers.interopRequireWildcard(require("mod"));
+  const data = babelHelpers.interopRequireDefault(require("mod"));
 
   mod = function () {
     return data;
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/strict/options.json b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/strict/options.json
index 4b1163fa6190..1654d4e359bd 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/strict/options.json
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/strict/options.json
@@ -2,6 +2,6 @@
   "plugins": [
     "external-helpers",
     "syntax-object-rest-spread",
-    ["transform-modules-commonjs", { "strict": true }]
+    ["transform-modules-commonjs", { "strict": true, "mjsStrictNamespace": false }]
   ]
 }

From d260bfaec47f1c34933ff2abdf1fd4ffded4875d Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Thu, 15 Mar 2018 16:50:03 -0400
Subject: [PATCH 131/140] v7.0.0-beta.42

---
 .../package.json                              |  10 +-
 lerna.json                                    |   2 +-
 packages/babel-cli/package.json               |   8 +-
 packages/babel-code-frame/package.json        |   4 +-
 packages/babel-core/package.json              |  20 +-
 packages/babel-generator/package.json         |   8 +-
 .../package.json                              |   4 +-
 .../package.json                              |   6 +-
 .../package.json                              |   6 +-
 .../package.json                              |   4 +-
 .../babel-helper-call-delegate/package.json   |   8 +-
 packages/babel-helper-define-map/package.json |   6 +-
 .../package.json                              |   6 +-
 .../babel-helper-explode-class/package.json   |   8 +-
 packages/babel-helper-fixtures/package.json   |   2 +-
 .../babel-helper-function-name/package.json   |   8 +-
 .../package.json                              |   4 +-
 .../babel-helper-hoist-variables/package.json |   4 +-
 .../babel-helper-module-imports/package.json  |   6 +-
 .../package.json                              |  12 +-
 .../package.json                              |   4 +-
 .../package.json                              |   4 +-
 .../babel-helper-plugin-utils/package.json    |   2 +-
 packages/babel-helper-regex/package.json      |   2 +-
 .../package.json                              |  12 +-
 .../babel-helper-replace-supers/package.json  |  10 +-
 .../babel-helper-simple-access/package.json   |   6 +-
 .../package.json                              |   4 +-
 .../package.json                              |  10 +-
 .../babel-helper-wrap-function/package.json   |  10 +-
 packages/babel-helpers/package.json           |  10 +-
 packages/babel-highlight/package.json         |   2 +-
 packages/babel-node/package.json              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  14 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../babel-plugin-syntax-flow/package.json     |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 packages/babel-plugin-syntax-jsx/package.json |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |   8 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  22 +--
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  16 +-
 .../package.json                              |  14 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 .../package.json                              |  14 +-
 .../package.json                              |   8 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  10 +-
 .../package.json                              |  12 +-
 .../package.json                              |  12 +-
 packages/babel-polyfill/package.json          |   2 +-
 .../babel-preset-env-standalone/package.json  |   8 +-
 packages/babel-preset-env/package.json        |  84 ++++-----
 packages/babel-preset-es2015/package.json     |  60 +++---
 packages/babel-preset-es2016/package.json     |  10 +-
 packages/babel-preset-es2017/package.json     |  10 +-
 packages/babel-preset-flow/package.json       |  12 +-
 packages/babel-preset-react/package.json      |  22 +--
 packages/babel-preset-stage-0/package.json    |  14 +-
 packages/babel-preset-stage-1/package.json    |  22 +--
 packages/babel-preset-stage-2/package.json    |  18 +-
 packages/babel-preset-stage-3/package.json    |  22 +--
 packages/babel-preset-typescript/package.json |  10 +-
 packages/babel-register/package.json          |   6 +-
 packages/babel-runtime/package.json           |  12 +-
 packages/babel-standalone/package.json        | 174 +++++++++---------
 packages/babel-template/package.json          |   8 +-
 packages/babel-traverse/package.json          |  16 +-
 packages/babel-types/package.json             |   6 +-
 packages/babylon/package.json                 |   4 +-
 140 files changed, 844 insertions(+), 844 deletions(-)

diff --git a/codemods/babel-plugin-codemod-optional-catch-binding/package.json b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
index 32023873c32c..602534c6e2fe 100644
--- a/codemods/babel-plugin-codemod-optional-catch-binding/package.json
+++ b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-codemod-optional-catch-binding",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Remove unused catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-remove-unused-catch-binding",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "@babel/plugin"
   ],
   "dependencies": {
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41"
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/lerna.json b/lerna.json
index 5c34f03c73a2..c98859af04ec 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "lerna": "2.0.0-rc.4",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "changelog": {
     "repo": "babel/babel",
     "labels": {
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index 17ced5541525..1e8722c2758f 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/cli",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel command line.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -29,11 +29,11 @@
     "chokidar": "^1.6.1"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-fixtures": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-fixtures": "7.0.0-beta.42"
   },
   "bin": {
     "babel": "./bin/babel.js",
diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index 6e167936c77f..58b486da085d 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/code-frame",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Generate errors that contain a code frame that point to source locations.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,7 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-code-frame",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/highlight": "7.0.0-beta.41"
+    "@babel/highlight": "7.0.0-beta.42"
   },
   "devDependencies": {
     "chalk": "^2.0.0",
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 17e134c693b8..c282d6e68184 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/core",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel compiler core.",
   "main": "./lib/index.js",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
@@ -28,13 +28,13 @@
     "./lib/transform-file-sync.js": "./lib/transform-file-sync-browser.js"
   },
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.41",
-    "@babel/generator": "7.0.0-beta.41",
-    "@babel/helpers": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
-    "babylon": "7.0.0-beta.41",
+    "@babel/code-frame": "7.0.0-beta.42",
+    "@babel/generator": "7.0.0-beta.42",
+    "@babel/helpers": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
+    "babylon": "7.0.0-beta.42",
     "convert-source-map": "^1.1.0",
     "debug": "^3.1.0",
     "json5": "^0.5.0",
@@ -45,7 +45,7 @@
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41",
-    "@babel/register": "7.0.0-beta.41"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.42",
+    "@babel/register": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index 5ab0360587ad..3ba7b6f566d8 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/generator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turns an AST into code.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -11,14 +11,14 @@
     "lib"
   ],
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.42",
     "jsesc": "^2.5.1",
     "lodash": "^4.2.0",
     "source-map": "^0.5.0",
     "trim-right": "^1.0.1"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.41",
-    "babylon": "7.0.0-beta.41"
+    "@babel/helper-fixtures": "7.0.0-beta.42",
+    "babylon": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-annotate-as-pure/package.json b/packages/babel-helper-annotate-as-pure/package.json
index b5245f65f187..21f7ca5c74aa 100644
--- a/packages/babel-helper-annotate-as-pure/package.json
+++ b/packages/babel-helper-annotate-as-pure/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-annotate-as-pure",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to annotate paths and nodes with #__PURE__ comment",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-annotate-as-pure",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-bindify-decorators/package.json b/packages/babel-helper-bindify-decorators/package.json
index ff29e219aed5..71cb9b3e4146 100644
--- a/packages/babel-helper-bindify-decorators/package.json
+++ b/packages/babel-helper-bindify-decorators/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-bindify-decorators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to bindify decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-bindify-decorators",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
index e467fb68bc4b..873612218e36 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-binary-assignment-operator-visitor",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to build binary assignment operator visitors",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-binary-assignment-operator-visitor",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-explode-assignable-expression": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-explode-assignable-expression": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index 53d6bb7ce4d7..fb31510c6e35 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-builder-react-jsx",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to build react jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-react-jsx",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.42",
     "esutils": "^2.0.0"
   }
 }
diff --git a/packages/babel-helper-call-delegate/package.json b/packages/babel-helper-call-delegate/package.json
index e7d809e8db47..8c4e50b866c0 100644
--- a/packages/babel-helper-call-delegate/package.json
+++ b/packages/babel-helper-call-delegate/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-call-delegate",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to call delegate",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-call-delegate",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-hoist-variables": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-hoist-variables": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index 4bab8be94ce8..a7b0fbb7baa3 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-define-map",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to define a map",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-define-map",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-explode-assignable-expression/package.json b/packages/babel-helper-explode-assignable-expression/package.json
index b34c3561fed1..167b452a6678 100644
--- a/packages/babel-helper-explode-assignable-expression/package.json
+++ b/packages/babel-helper-explode-assignable-expression/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@babel/helper-explode-assignable-expression",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to explode an assignable expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-assignable-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-explode-class/package.json b/packages/babel-helper-explode-class/package.json
index 093fb8246f82..69eefb4a722e 100644
--- a/packages/babel-helper-explode-class/package.json
+++ b/packages/babel-helper-explode-class/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-explode-class",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to explode class",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-class",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-bindify-decorators": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-bindify-decorators": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index 6bcf9e1556ce..2247812667b0 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-fixtures",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to support fixtures",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "license": "MIT",
diff --git a/packages/babel-helper-function-name/package.json b/packages/babel-helper-function-name/package.json
index 0461b83c6633..98a6e34997e2 100644
--- a/packages/babel-helper-function-name/package.json
+++ b/packages/babel-helper-function-name/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@babel/helper-function-name",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to change the property 'name' of every function",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-function-name",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-get-function-arity": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-get-function-arity": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-get-function-arity/package.json b/packages/babel-helper-get-function-arity/package.json
index 2aa416e20499..e33b125d89e3 100644
--- a/packages/babel-helper-get-function-arity/package.json
+++ b/packages/babel-helper-get-function-arity/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-get-function-arity",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to get function arity",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-get-function-arity",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-hoist-variables/package.json b/packages/babel-helper-hoist-variables/package.json
index f5f6d39d55ae..8fdf06f5f4ae 100644
--- a/packages/babel-helper-hoist-variables/package.json
+++ b/packages/babel-helper-hoist-variables/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-hoist-variables",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to hoist variables",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-hoist-variables",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-module-imports/package.json b/packages/babel-helper-module-imports/package.json
index 2a27f0d5b2fc..1c6613ea8e1b 100644
--- a/packages/babel-helper-module-imports/package.json
+++ b/packages/babel-helper-module-imports/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-imports",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel helper functions for inserting module loads",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-imports",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/types": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index 3263b3b7ef43..0c5f8fcc9edc 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-module-transforms",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel helper functions for implementing ES6 module transformations",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,11 +8,11 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-module-transforms",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.41",
-    "@babel/helper-simple-access": "7.0.0-beta.41",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/helper-module-imports": "7.0.0-beta.42",
+    "@babel/helper-simple-access": "7.0.0-beta.42",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-optimise-call-expression/package.json b/packages/babel-helper-optimise-call-expression/package.json
index 8f6d70289621..ba193c58a4d6 100644
--- a/packages/babel-helper-optimise-call-expression/package.json
+++ b/packages/babel-helper-optimise-call-expression/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-optimise-call-expression",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to optimise call expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-optimise-call-expression",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-plugin-test-runner/package.json b/packages/babel-helper-plugin-test-runner/package.json
index fa1cfdb1fd50..f4149ee340cb 100644
--- a/packages/babel-helper-plugin-test-runner/package.json
+++ b/packages/babel-helper-plugin-test-runner/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-plugin-test-runner",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to support test runner",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-plugin-test-runner",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-plugin-utils/package.json b/packages/babel-helper-plugin-utils/package.json
index af1b226a3152..f23d4bccf37f 100644
--- a/packages/babel-helper-plugin-utils/package.json
+++ b/packages/babel-helper-plugin-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-plugin-utils",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "General utilities for plugins to use",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-helper-regex/package.json b/packages/babel-helper-regex/package.json
index 19805ed73e97..0dbde8c7665c 100644
--- a/packages/babel-helper-regex/package.json
+++ b/packages/babel-helper-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-regex",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to check for literal RegEx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-regex",
   "license": "MIT",
diff --git a/packages/babel-helper-remap-async-to-generator/package.json b/packages/babel-helper-remap-async-to-generator/package.json
index a0513e6d8cd4..1920da530ccf 100644
--- a/packages/babel-helper-remap-async-to-generator/package.json
+++ b/packages/babel-helper-remap-async-to-generator/package.json
@@ -1,15 +1,15 @@
 {
   "name": "@babel/helper-remap-async-to-generator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to remap async functions to generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-remap-async-to-generator",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
-    "@babel/helper-wrap-function": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.42",
+    "@babel/helper-wrap-function": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-replace-supers/package.json b/packages/babel-helper-replace-supers/package.json
index f4163d0eca85..e9d02fe5deb0 100644
--- a/packages/babel-helper-replace-supers/package.json
+++ b/packages/babel-helper-replace-supers/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-replace-supers",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper function to replace supers",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-replace-supers",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-simple-access/package.json b/packages/babel-helper-simple-access/package.json
index 5a15b79b2958..033603a4f7a7 100644
--- a/packages/babel-helper-simple-access/package.json
+++ b/packages/babel-helper-simple-access/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-simple-access",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel helper for ensuring that access to a given value is performed through simple accesses",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,8 +8,8 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-simple-access",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-split-export-declaration/package.json b/packages/babel-helper-split-export-declaration/package.json
index b50daf6dee26..33211a5dd946 100644
--- a/packages/babel-helper-split-export-declaration/package.json
+++ b/packages/babel-helper-split-export-declaration/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@babel/helper-split-export-declaration",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-split-export-declaration",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 8a9f32916f06..e5667e138311 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helper-transform-fixture-test-runner",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transform test runner for @babel/helper-fixtures module",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,10 +8,10 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-transform-fixture-test-runner",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.41",
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-fixtures": "7.0.0-beta.41",
-    "@babel/polyfill": "7.0.0-beta.41",
+    "@babel/code-frame": "7.0.0-beta.42",
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-fixtures": "7.0.0-beta.42",
+    "@babel/polyfill": "7.0.0-beta.42",
     "chai": "^4.1.0",
     "jest": "^22.4.2",
     "jest-diff": "^22.4.0",
diff --git a/packages/babel-helper-wrap-function/package.json b/packages/babel-helper-wrap-function/package.json
index 7f46de0d9e3d..e0ba12ea172f 100644
--- a/packages/babel-helper-wrap-function/package.json
+++ b/packages/babel-helper-wrap-function/package.json
@@ -1,14 +1,14 @@
 {
   "name": "@babel/helper-wrap-function",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Helper to wrap functions inside a function call.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-wrap-function",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-helpers/package.json b/packages/babel-helpers/package.json
index ef130edecd1c..8c6e85c94f84 100644
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/helpers",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Collection of helper functions used by Babel transforms.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,11 +8,11 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helpers",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/template": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/template": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
index ba8b5847448d..805c86a084df 100644
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/highlight",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Syntax highlight JavaScript strings for output in terminals.",
   "author": "suchipi <me@suchipi.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-node/package.json b/packages/babel-node/package.json
index 0a3aeba364ee..5861359cd82b 100644
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/node",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel command line",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -16,8 +16,8 @@
     "compiler"
   ],
   "dependencies": {
-    "@babel/polyfill": "7.0.0-beta.41",
-    "@babel/register": "7.0.0-beta.41",
+    "@babel/polyfill": "7.0.0-beta.42",
+    "@babel/register": "7.0.0-beta.42",
     "commander": "^2.8.1",
     "fs-readdir-recursive": "^1.0.0",
     "lodash": "^4.2.0",
@@ -25,11 +25,11 @@
     "v8flags": "^3.0.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-fixtures": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-fixtures": "7.0.0-beta.42"
   },
   "bin": {
     "babel-node": "./bin/babel-node.js"
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index 6d3078016fbf..dada76aed7c5 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-external-helpers",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin contains helper functions that’ll be placed at the top of the generated code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-external-helpers",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 9fa95971b921..926ce0bc694e 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-async-generator-functions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn async generator functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-async-generator-functions",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.41",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.42",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index 70fc1f838759..c0616ffaa56a 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-class-properties",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms static class properties as well as properties declared with the property initializer syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-class-properties",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.41"
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index 02577f009599..081f3ea25e6b 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-decorators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "license": "MIT",
   "description": "Compile class and object decorators to ES5",
@@ -12,14 +12,14 @@
     "decorators"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index 9a261c7d9e37..60d83441a264 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-do-expressions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile do expressions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-do-expressions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index 94f9ae6c2ae1..51a40c332ab7 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-default-from",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile export default to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-default-from",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index 8e29a24a70b8..f1c055bab838 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-export-namespace-from",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile export namespace to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-namespace-from",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index 850b1a3e8b0d..7fdd8cec7422 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-bind",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile function bind operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-bind",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index c52646afbd4f..96ade2815659 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-function-sent",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile the function.sent meta propety to valid ES2015 code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-sent",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-wrap-function": "7.0.0-beta.41",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-wrap-function": "7.0.0-beta.42",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
index b9bbae93a338..d1547eb140dd 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-logical-assignment-operators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transforms logical assignment operators into short-circuited assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-logical-assignment-operators",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-logical-assignment-operators": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index d35f65e184eb..ceeb90295f8e 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-nullish-coalescing-operator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Remove nullish coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-nullish-coalescing-opearator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-nullish-coalescing-operator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index 49e775f3ff45..1ce1d3b838d5 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-numeric-separator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Remove numeric separators from Decimal, Binary, Hex and Octal literals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-numeric-separator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-numeric-separator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index 10f56cc33063..07bffb5b3b6e 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-object-rest-spread",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile object rest and spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-object-rest-spread",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index 91c17be2b340..8c1b484c906f 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-catch-binding",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-catch-binding",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index 6a82012e468c..52b6635f0684 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-optional-chaining",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transform optional chaining operators into a series of nil checks",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-chaining",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-optional-chaining": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index 7795b14264e4..1ea6c1e4b2f5 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-pipeline-operator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transform pipeline operator into call expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-pipeline-operator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index 9acf5a917d4c..b6f5564338ce 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-throw-expressions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Wraps Throw Expressions in an IIFE",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-throw-expressions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-throw-expressions": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index d4e6803c61d1..d022068127ee 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-proposal-unicode-property-regex",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile Unicode property escapes in Unicode regular expressions to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -19,15 +19,15 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-unicode-property-regex",
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-regex": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-regex": "7.0.0-beta.42",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-async-generators/package.json b/packages/babel-plugin-syntax-async-generators/package.json
index 61a730561701..db7f3f8caeca 100644
--- a/packages/babel-plugin-syntax-async-generators/package.json
+++ b/packages/babel-plugin-syntax-async-generators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-async-generators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of async generator functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-async-generators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-class-properties/package.json b/packages/babel-plugin-syntax-class-properties/package.json
index 9ef0fe6c27a8..035bb2790979 100644
--- a/packages/babel-plugin-syntax-class-properties/package.json
+++ b/packages/babel-plugin-syntax-class-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-class-properties",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of class properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-class-properties",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index feb54810cb7e..3b15523f0502 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-decorators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-decorators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index 84925f7d69dc..e17cb8165c7f 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-do-expressions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of do expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-do-expressions",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-dynamic-import/package.json b/packages/babel-plugin-syntax-dynamic-import/package.json
index c012df5ead9c..1861f3f02ebb 100644
--- a/packages/babel-plugin-syntax-dynamic-import/package.json
+++ b/packages/babel-plugin-syntax-dynamic-import/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-dynamic-import",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of import()",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-dynamic-import",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index 6cc53b7d8562..4b424814c832 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-default-from",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of export default from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-default-from",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-export-namespace-from/package.json b/packages/babel-plugin-syntax-export-namespace-from/package.json
index b5e0530feaf2..9fbaf1f774f8 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/package.json
+++ b/packages/babel-plugin-syntax-export-namespace-from/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-export-namespace-from",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of export namespace from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-namespace-from",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 89851a4926b5..ec5455dcbd9e 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-flow",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of the flow syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-flow",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index d8af4fa44a54..429baea7627b 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-bind",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of function bind",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-bind",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index 4188425f8ad0..78b9a06696b2 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-function-sent",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of the function.sent meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-sent",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-import-meta/package.json b/packages/babel-plugin-syntax-import-meta/package.json
index b9cc3ebd0b4a..a762dadc4f92 100644
--- a/packages/babel-plugin-syntax-import-meta/package.json
+++ b/packages/babel-plugin-syntax-import-meta/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-import-meta",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of import.meta",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-import-meta",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index d322991dc02d..2d2aac893141 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-jsx",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-jsx",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/package.json b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
index 3aaf5ae6164f..4f458b777c44 100644
--- a/packages/babel-plugin-syntax-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-logical-assignment-operators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of the logical assignment operators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-logical-assignment-operators",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
index 1c393b55255d..991bcb62b499 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-nullish-coalescing-operator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of the nullish-coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-nullish-coalescing-operator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-numeric-separator/package.json b/packages/babel-plugin-syntax-numeric-separator/package.json
index 3827781a72b6..9c811ec9807b 100644
--- a/packages/babel-plugin-syntax-numeric-separator/package.json
+++ b/packages/babel-plugin-syntax-numeric-separator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-numeric-separator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-numeric-separator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-object-rest-spread/package.json b/packages/babel-plugin-syntax-object-rest-spread/package.json
index 93a09dfcd016..bf4948b5b923 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/package.json
+++ b/packages/babel-plugin-syntax-object-rest-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-object-rest-spread",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of object rest/spread",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-object-rest-spread",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/package.json b/packages/babel-plugin-syntax-optional-catch-binding/package.json
index 1fc8817cc695..46cd999af02f 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/package.json
+++ b/packages/babel-plugin-syntax-optional-catch-binding/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-catch-binding",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-catch-binding",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-optional-chaining/package.json b/packages/babel-plugin-syntax-optional-chaining/package.json
index fc173d4a9819..5d9fc743e609 100644
--- a/packages/babel-plugin-syntax-optional-chaining/package.json
+++ b/packages/babel-plugin-syntax-optional-chaining/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-optional-chaining",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of optional properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-chaining",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index 2e6878e4ed9f..553efad56159 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-pipeline-operator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of the pipeline operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-pipeline-operator",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index ac1d4356b800..ac30d8898b81 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-throw-expressions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of Throw Expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-throw-expressions",
   "license": "MIT",
@@ -9,12 +9,12 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index 84db7744c551..e95f1c55f738 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-syntax-typescript",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Allow parsing of TypeScript syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-typescript",
   "license": "MIT",
@@ -10,12 +10,12 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index fac36121cc74..f23b89d2e70d 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-arrow-functions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 arrow functions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-arrow-functions",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/traverse": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/traverse": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index 90c9c60f07a3..785c0c89832d 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-async-to-generator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn async functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-async-to-generator",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-remap-async-to-generator": "7.0.0-beta.41"
+    "@babel/helper-module-imports": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-remap-async-to-generator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index 3cdf24f839fd..cc49f82317a5 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-block-scoped-functions",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel plugin to ensure function declarations at the block level are block scoped",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoped-functions",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index 495fb9fe4b6b..d5bfae9b0aec 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-block-scoping",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 block scoping (const and let) to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoping",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index dac477607da0..0cdea2967fbe 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -1,28 +1,28 @@
 {
   "name": "@babel/plugin-transform-classes",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 classes to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-classes",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
-    "@babel/helper-define-map": "7.0.0-beta.41",
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/helper-optimise-call-expression": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-replace-supers": "7.0.0-beta.41",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.42",
+    "@babel/helper-define-map": "7.0.0-beta.42",
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/helper-optimise-call-expression": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-replace-supers": "7.0.0-beta.42",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.42",
     "globals": "^11.1.0"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index 3ca74f525ced..3ae6f1f7df3d 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-computed-properties",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 computed properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-computed-properties",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 13385d585790..3e829265ab5a 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-destructuring",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 destructuring to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-destructuring",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index dc1feea5f35c..9a1d44e45929 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-dotall-regex",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile regular expressions using the `s` (`dotAll`) flag to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
@@ -21,15 +21,15 @@
   },
   "bugs": "https://github.com/babel/babel/issues",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-regex": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-regex": "7.0.0-beta.42",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index c5e7841e0505..0875add7e354 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-duplicate-keys",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile objects with duplicate keys to valid strict ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-duplicate-keys",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index 319332c0bfa1..b35f0a95f2ef 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-exponentiation-operator",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile exponentiation operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-exponentiation-operator",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-builder-binary-assignment-operator-visitor": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index 21592228cdf6..dea4d0c53d52 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-comments",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn flow type annotations into comments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-comments",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index 4b2fa5287d97..a6c1f6a8a75a 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-flow-strip-types",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Strip flow type annotations from your output code.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-strip-types",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index 29fbd6d59d60..c7cda58c5b49 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-for-of",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 for...of to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-for-of",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 7acff61a8660..c1eb2c436acb 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-function-name",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Apply ES2015 function.name semantics to all functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-function-name",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index 62bad91c803e..41c7902e366e 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-instanceof",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms all the ES2015 'instanceof' methods",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-instanceof",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index 02f1b2847f29..1c83637e0e9f 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-jscript",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel plugin to fix buggy JScript named function expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-jscript",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index de66bb941140..ad764cf9f8fb 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-literals",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 unicode string and number literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index 9ea8dd89576d..22e85a7954eb 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-member-expression-literals",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Ensure that reserved words are quoted in property accesses",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-member-expression-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index ad655d015a40..f91f087a398e 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-modules-amd",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms ES2015 modules to AMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-amd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-module-transforms": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index 793b5e05a1a7..a6c90fdfaff1 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -1,24 +1,24 @@
 {
   "name": "@babel/plugin-transform-modules-commonjs",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms ES2015 modules to CommonJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-commonjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-simple-access": "7.0.0-beta.41"
+    "@babel/helper-module-transforms": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-simple-access": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index 45ae14711019..fd67ccc75bdd 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -1,23 +1,23 @@
 {
   "name": "@babel/plugin-transform-modules-systemjs",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms ES2015 modules to SystemJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-systemjs",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-hoist-variables": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-hoist-variables": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index da433fcc5306..65e4c70b030f 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-modules-umd",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin transforms ES2015 modules to UMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-umd",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-module-transforms": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-module-transforms": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index 5aee8926378f..167dc0e8440a 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-new-target",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transforms new.target meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-new-target",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index 62b9e367c9b0..b6b48c9d8fca 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-assign",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Replace Object.assign with an inline helper",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-assign",
   "author": "Jed Watson",
@@ -10,13 +10,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
index b6c2d04acf34..f3eda35ba42f 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-set-prototype-of-to-assign",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn Object.setPrototypeOf to assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-set-prototype-of-to-assign",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index 685378a77081..e5b704af8ef1 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-object-super",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 object super to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-super",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-replace-supers": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-replace-supers": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index c734f2566476..d1cf013fee55 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -1,23 +1,23 @@
 {
   "name": "@babel/plugin-transform-parameters",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 default and rest parameters to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-parameters",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-call-delegate": "7.0.0-beta.41",
-    "@babel/helper-get-function-arity": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-call-delegate": "7.0.0-beta.42",
+    "@babel/helper-get-function-arity": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index 2b067b995de4..f3d8103af609 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-literals",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Ensure that reserved words are quoted in object property keys",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-literals",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index ce9582ea6e2f..6017dbd3019e 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-property-mutators",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES5 property mutator shorthand syntax to Object.defineProperty",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-mutators",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-define-map": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-define-map": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index 970832615ffd..5cf2274ed9d6 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-proto-to-assign",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel plugin for turning __proto__ into a shallow property clone",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-proto-to-assign",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index 9f7dcd2f0c45..cf9c3a6fe042 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-constant-elements",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Treat React JSX elements as value types and hoist them to the highest scope",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index d21c345e6e36..ed05d9fa17b2 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-display-name",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Add displayName to React.createClass calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-display-name",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index 8e6ec4b5a14b..2b636285b00f 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-inline-elements",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn JSX elements into exploded React objects",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-inline-elements",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index 517fd7eed349..14f8f87e938a 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-compat",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn JSX into React Pre-0.12 function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-compat",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index a6e46ca71481..cc452efdc3dd 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-self",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Add a __self prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-self",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index 4a0a121c4aab..2352ca9d058d 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx-source",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Add a __source prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-source",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index a4f7d923577c..deecebf86da7 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-react-jsx",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Turn JSX into React function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-builder-react-jsx": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.41"
+    "@babel/helper-builder-react-jsx": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-regenerator/package.json b/packages/babel-plugin-transform-regenerator/package.json
index 834e32870fb3..084f181fea9f 100644
--- a/packages/babel-plugin-transform-regenerator/package.json
+++ b/packages/babel-plugin-transform-regenerator/package.json
@@ -2,7 +2,7 @@
   "name": "@babel/plugin-transform-regenerator",
   "author": "Ben Newman <bn@cs.stanford.edu>",
   "description": "Explode async and generator functions into a state machine.",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "homepage": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-regenerator",
   "main": "lib/index.js",
@@ -11,10 +11,10 @@
   },
   "license": "MIT",
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 72a10b0561bb..5d0abe4193b4 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-reserved-words",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Ensure that no reserved words are used.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-reserved-words",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index ecd2a1de9ace..09279958db09 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-runtime",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-runtime",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-module-imports": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index dfef706c8f27..ef5bfe9bd91f 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-shorthand-properties",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 shorthand properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-shorthand-properties",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index eaf2398a9858..9690a3515def 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-spread",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-spread",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index c6e1db61faca..2ede48ba7c75 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-sticky-regex",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 sticky regex to an ES5 RegExp constructor",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-sticky-regex",
   "license": "MIT",
@@ -9,14 +9,14 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-regex": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-regex": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index 43fa37ad5e25..56f699fe7c4a 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-strict-mode",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This plugin places a 'use strict'; directive at the top of all files to enable strict mode",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-strict-mode",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index d275f4f59fee..4a6eb8f2449f 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -1,22 +1,22 @@
 {
   "name": "@babel/plugin-transform-template-literals",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 template literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-template-literals",
   "license": "MIT",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-annotate-as-pure": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "keywords": [
     "babel-plugin"
   ],
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index 1faa3105d82a..1de4d6d700b0 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typeof-symbol",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typeof-symbol",
   "license": "MIT",
@@ -9,13 +9,13 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index 19a70687d120..588f1b7a2097 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-typescript",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Transform TypeScript into ES.next",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typescript",
   "license": "MIT",
@@ -10,14 +10,14 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index 1b164b5c3448..bcf4a778d3a8 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/plugin-transform-unicode-regex",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Compile ES2015 Unicode regex to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-regex",
   "license": "MIT",
@@ -9,15 +9,15 @@
     "babel-plugin"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/helper-regex": "7.0.0-beta.41",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/helper-regex": "7.0.0-beta.42",
     "regexpu-core": "^4.1.3"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-polyfill/package.json b/packages/babel-polyfill/package.json
index 5dfbb80e188b..41cc1857b57f 100644
--- a/packages/babel-polyfill/package.json
+++ b/packages/babel-polyfill/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/polyfill",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Provides polyfills necessary for a full ES2015+ environment",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
diff --git a/packages/babel-preset-env-standalone/package.json b/packages/babel-preset-env-standalone/package.json
index 845e5733b235..edab002d0409 100644
--- a/packages/babel-preset-env-standalone/package.json
+++ b/packages/babel-preset-env-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env-standalone",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Standalone build of babel-prest-env for use in non-Node.js environments.",
   "main": "babel-preset-env.js",
   "files": [
@@ -9,9 +9,9 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
-    "@babel/preset-env": "7.0.0-beta.41",
-    "@babel/standalone": "7.0.0-beta.41"
+    "@babel/plugin-transform-new-target": "7.0.0-beta.42",
+    "@babel/preset-env": "7.0.0-beta.42",
+    "@babel/standalone": "7.0.0-beta.42"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index dd55678a519e..3fbd92b801e6 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-env",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "A Babel preset for each environment.",
   "author": "Henry Zhu <hi@henryzoo.com>",
   "homepage": "https://babeljs.io/",
@@ -11,54 +11,54 @@
     "build-data": "node ./scripts/build-data.js; node ./scripts/build-modules-support.js"
   },
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.41",
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
-    "@babel/plugin-transform-classes": "7.0.0-beta.41",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.41",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
-    "@babel/plugin-transform-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-spread": "7.0.0-beta.41",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41",
+    "@babel/helper-module-imports": "7.0.0-beta.42",
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.42",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.42",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.42",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.42",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.42",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.42",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.42",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.42",
+    "@babel/plugin-transform-classes": "7.0.0-beta.42",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.42",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.42",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.42",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.42",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.42",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.42",
+    "@babel/plugin-transform-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.42",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.42",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.42",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.42",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.42",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-spread": "7.0.0-beta.42",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.42",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.42",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.42",
     "browserslist": "^3.0.0",
     "invariant": "^2.2.2",
     "semver": "^5.3.0"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.41",
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-fixtures": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
+    "@babel/cli": "7.0.0-beta.42",
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-fixtures": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
     "compat-table": "kangax/compat-table#7c202e2da648fbd9d223d48d1680ec8f15147044",
     "electron-to-chromium": "^1.3.27",
     "request": "^2.83.0"
diff --git a/packages/babel-preset-es2015/package.json b/packages/babel-preset-es2015/package.json
index 84f781cd322b..c03f75e38b87 100644
--- a/packages/babel-preset-es2015/package.json
+++ b/packages/babel-preset-es2015/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2015",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for all es2015 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,38 +8,38 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2015",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
-    "@babel/plugin-transform-classes": "7.0.0-beta.41",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.41",
-    "@babel/plugin-transform-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-spread": "7.0.0-beta.41",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.42",
+    "@babel/plugin-transform-classes": "7.0.0-beta.42",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.42",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.42",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.42",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.42",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.42",
+    "@babel/plugin-transform-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.42",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.42",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.42",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.42",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-spread": "7.0.0-beta.42",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.42",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.42",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-es2016/package.json b/packages/babel-preset-es2016/package.json
index 6a5243a1982f..beb99f74ab13 100644
--- a/packages/babel-preset-es2016/package.json
+++ b/packages/babel-preset-es2016/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2016",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for all es2016 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,13 +8,13 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2016",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-es2017/package.json b/packages/babel-preset-es2017/package.json
index 6bc234f06a8c..a6279d8c7f15 100644
--- a/packages/babel-preset-es2017/package.json
+++ b/packages/babel-preset-es2017/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-es2017",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for all es2017 plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,13 +8,13 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-es2017",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index 713767b0dd12..4d6561d973d2 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-flow",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for all Flow plugins.",
   "author": "James Kyle <me@thejameskyle.com>",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-flow",
@@ -13,14 +13,14 @@
     "types"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index e0e501ff75bd..649cbc8f85bf 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-react",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for all React plugins.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-react",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41",
-    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42",
+    "@babel/helper-transform-fixture-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index d1137db1683e..98570a2e9582 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-0",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for stage 0 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,15 +8,15 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-0",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.41",
-    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.41",
-    "@babel/preset-stage-1": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.42",
+    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.42",
+    "@babel/preset-stage-1": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-stage-1/package.json b/packages/babel-preset-stage-1/package.json
index 1e309f919ce8..14f788fb3353 100644
--- a/packages/babel-preset-stage-1/package.json
+++ b/packages/babel-preset-stage-1/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-1",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for stage 1 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-1",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.41",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.41",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.41",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.41",
-    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.41",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.41",
-    "@babel/preset-stage-2": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.42",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.42",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.42",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.42",
+    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.42",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.42",
+    "@babel/preset-stage-2": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-stage-2/package.json b/packages/babel-preset-stage-2/package.json
index 141ddc4f7613..998f000f255e 100644
--- a/packages/babel-preset-stage-2/package.json
+++ b/packages/babel-preset-stage-2/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-2",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for stage 2 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,17 +8,17 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-2",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.41",
-    "@babel/plugin-proposal-function-sent": "7.0.0-beta.41",
-    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.41",
-    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.41",
-    "@babel/preset-stage-3": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.42",
+    "@babel/plugin-proposal-function-sent": "7.0.0-beta.42",
+    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.42",
+    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.42",
+    "@babel/preset-stage-3": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-stage-3/package.json b/packages/babel-preset-stage-3/package.json
index 24bce48a7fa7..bf7dd40312b3 100644
--- a/packages/babel-preset-stage-3/package.json
+++ b/packages/babel-preset-stage-3/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-stage-3",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for stage 3 plugins",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,19 +8,19 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-stage-3",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.42",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.42",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.42",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.42",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.42",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.42",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index 3a0fca4ca546..67cb1b6d5fed 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/preset-typescript",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel preset for TypeScript.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-typescript",
   "license": "MIT",
@@ -10,13 +10,13 @@
     "typescript"
   ],
   "dependencies": {
-    "@babel/helper-plugin-utils": "7.0.0-beta.41",
-    "@babel/plugin-transform-typescript": "7.0.0-beta.41"
+    "@babel/helper-plugin-utils": "7.0.0-beta.42",
+    "@babel/plugin-transform-typescript": "7.0.0-beta.42"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index 4204dacb647c..527bf6ebed13 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/register",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "babel require hook",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-register",
@@ -19,10 +19,10 @@
     "source-map-support": "^0.4.2"
   },
   "peerDependencies": {
-    "@babel/core": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
+    "@babel/core": "7.0.0-beta.42",
     "default-require-extensions": "^2.0.0"
   }
 }
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index 9b50957950ac..97a081a2f9d2 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/runtime",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "babel selfContained runtime",
   "license": "MIT",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-runtime",
@@ -10,10 +10,10 @@
     "regenerator-runtime": "^0.11.1"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/helpers": "7.0.0-beta.41",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.41",
-    "@babel/preset-env": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/helpers": "7.0.0-beta.42",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.42",
+    "@babel/preset-env": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-standalone/package.json b/packages/babel-standalone/package.json
index af3985de8f8c..315e4162e239 100644
--- a/packages/babel-standalone/package.json
+++ b/packages/babel-standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/standalone",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Standalone build of Babel for use in non-Node.js environments.",
   "main": "babel.js",
   "files": [
@@ -9,92 +9,92 @@
     "src"
   ],
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/plugin-external-helpers": "7.0.0-beta.41",
-    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.41",
-    "@babel/plugin-proposal-class-properties": "7.0.0-beta.41",
-    "@babel/plugin-proposal-decorators": "7.0.0-beta.41",
-    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.41",
-    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.41",
-    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.41",
-    "@babel/plugin-proposal-function-bind": "7.0.0-beta.41",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.41",
-    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.41",
-    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.41",
-    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.41",
-    "@babel/plugin-syntax-async-generators": "7.0.0-beta.41",
-    "@babel/plugin-syntax-class-properties": "7.0.0-beta.41",
-    "@babel/plugin-syntax-decorators": "7.0.0-beta.41",
-    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.41",
-    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.41",
-    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.41",
-    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.41",
-    "@babel/plugin-syntax-flow": "7.0.0-beta.41",
-    "@babel/plugin-syntax-function-bind": "7.0.0-beta.41",
-    "@babel/plugin-syntax-function-sent": "7.0.0-beta.41",
-    "@babel/plugin-syntax-import-meta": "7.0.0-beta.41",
-    "@babel/plugin-syntax-jsx": "7.0.0-beta.41",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.41",
-    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.41",
-    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.41",
-    "@babel/plugin-syntax-typescript": "7.0.0-beta.41",
-    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.41",
-    "@babel/plugin-transform-block-scoping": "7.0.0-beta.41",
-    "@babel/plugin-transform-classes": "7.0.0-beta.41",
-    "@babel/plugin-transform-computed-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-destructuring": "7.0.0-beta.41",
-    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.41",
-    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.41",
-    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.41",
-    "@babel/plugin-transform-flow-comments": "7.0.0-beta.41",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.41",
-    "@babel/plugin-transform-for-of": "7.0.0-beta.41",
-    "@babel/plugin-transform-function-name": "7.0.0-beta.41",
-    "@babel/plugin-transform-instanceof": "7.0.0-beta.41",
-    "@babel/plugin-transform-jscript": "7.0.0-beta.41",
-    "@babel/plugin-transform-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-amd": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-umd": "7.0.0-beta.41",
-    "@babel/plugin-transform-new-target": "7.0.0-beta.41",
-    "@babel/plugin-transform-object-assign": "7.0.0-beta.41",
-    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.41",
-    "@babel/plugin-transform-object-super": "7.0.0-beta.41",
-    "@babel/plugin-transform-parameters": "7.0.0-beta.41",
-    "@babel/plugin-transform-property-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-property-mutators": "7.0.0-beta.41",
-    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-display-name": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.41",
-    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.41",
-    "@babel/plugin-transform-regenerator": "7.0.0-beta.41",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.41",
-    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.41",
-    "@babel/plugin-transform-spread": "7.0.0-beta.41",
-    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.41",
-    "@babel/plugin-transform-strict-mode": "7.0.0-beta.41",
-    "@babel/plugin-transform-template-literals": "7.0.0-beta.41",
-    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.41",
-    "@babel/plugin-transform-typescript": "7.0.0-beta.41",
-    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.41",
-    "@babel/preset-es2015": "7.0.0-beta.41",
-    "@babel/preset-es2016": "7.0.0-beta.41",
-    "@babel/preset-es2017": "7.0.0-beta.41",
-    "@babel/preset-flow": "7.0.0-beta.41",
-    "@babel/preset-react": "7.0.0-beta.41",
-    "@babel/preset-stage-0": "7.0.0-beta.41",
-    "@babel/preset-stage-1": "7.0.0-beta.41",
-    "@babel/preset-stage-2": "7.0.0-beta.41",
-    "@babel/preset-stage-3": "7.0.0-beta.41",
-    "@babel/preset-typescript": "7.0.0-beta.41"
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/plugin-external-helpers": "7.0.0-beta.42",
+    "@babel/plugin-proposal-async-generator-functions": "7.0.0-beta.42",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.42",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.42",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.42",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.42",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.42",
+    "@babel/plugin-proposal-function-bind": "7.0.0-beta.42",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-beta.42",
+    "@babel/plugin-proposal-optional-catch-binding": "7.0.0-beta.42",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.42",
+    "@babel/plugin-proposal-unicode-property-regex": "7.0.0-beta.42",
+    "@babel/plugin-syntax-async-generators": "7.0.0-beta.42",
+    "@babel/plugin-syntax-class-properties": "7.0.0-beta.42",
+    "@babel/plugin-syntax-decorators": "7.0.0-beta.42",
+    "@babel/plugin-syntax-do-expressions": "7.0.0-beta.42",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.42",
+    "@babel/plugin-syntax-export-default-from": "7.0.0-beta.42",
+    "@babel/plugin-syntax-export-namespace-from": "7.0.0-beta.42",
+    "@babel/plugin-syntax-flow": "7.0.0-beta.42",
+    "@babel/plugin-syntax-function-bind": "7.0.0-beta.42",
+    "@babel/plugin-syntax-function-sent": "7.0.0-beta.42",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.42",
+    "@babel/plugin-syntax-jsx": "7.0.0-beta.42",
+    "@babel/plugin-syntax-object-rest-spread": "7.0.0-beta.42",
+    "@babel/plugin-syntax-optional-catch-binding": "7.0.0-beta.42",
+    "@babel/plugin-syntax-pipeline-operator": "7.0.0-beta.42",
+    "@babel/plugin-syntax-typescript": "7.0.0-beta.42",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-async-to-generator": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoped-functions": "7.0.0-beta.42",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.42",
+    "@babel/plugin-transform-classes": "7.0.0-beta.42",
+    "@babel/plugin-transform-computed-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-destructuring": "7.0.0-beta.42",
+    "@babel/plugin-transform-dotall-regex": "7.0.0-beta.42",
+    "@babel/plugin-transform-duplicate-keys": "7.0.0-beta.42",
+    "@babel/plugin-transform-exponentiation-operator": "7.0.0-beta.42",
+    "@babel/plugin-transform-flow-comments": "7.0.0-beta.42",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-beta.42",
+    "@babel/plugin-transform-for-of": "7.0.0-beta.42",
+    "@babel/plugin-transform-function-name": "7.0.0-beta.42",
+    "@babel/plugin-transform-instanceof": "7.0.0-beta.42",
+    "@babel/plugin-transform-jscript": "7.0.0-beta.42",
+    "@babel/plugin-transform-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-member-expression-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-amd": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-systemjs": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-umd": "7.0.0-beta.42",
+    "@babel/plugin-transform-new-target": "7.0.0-beta.42",
+    "@babel/plugin-transform-object-assign": "7.0.0-beta.42",
+    "@babel/plugin-transform-object-set-prototype-of-to-assign": "7.0.0-beta.42",
+    "@babel/plugin-transform-object-super": "7.0.0-beta.42",
+    "@babel/plugin-transform-parameters": "7.0.0-beta.42",
+    "@babel/plugin-transform-property-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-property-mutators": "7.0.0-beta.42",
+    "@babel/plugin-transform-proto-to-assign": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-display-name": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx-compat": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx-self": "7.0.0-beta.42",
+    "@babel/plugin-transform-react-jsx-source": "7.0.0-beta.42",
+    "@babel/plugin-transform-regenerator": "7.0.0-beta.42",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.42",
+    "@babel/plugin-transform-shorthand-properties": "7.0.0-beta.42",
+    "@babel/plugin-transform-spread": "7.0.0-beta.42",
+    "@babel/plugin-transform-sticky-regex": "7.0.0-beta.42",
+    "@babel/plugin-transform-strict-mode": "7.0.0-beta.42",
+    "@babel/plugin-transform-template-literals": "7.0.0-beta.42",
+    "@babel/plugin-transform-typeof-symbol": "7.0.0-beta.42",
+    "@babel/plugin-transform-typescript": "7.0.0-beta.42",
+    "@babel/plugin-transform-unicode-regex": "7.0.0-beta.42",
+    "@babel/preset-es2015": "7.0.0-beta.42",
+    "@babel/preset-es2016": "7.0.0-beta.42",
+    "@babel/preset-es2017": "7.0.0-beta.42",
+    "@babel/preset-flow": "7.0.0-beta.42",
+    "@babel/preset-react": "7.0.0-beta.42",
+    "@babel/preset-stage-0": "7.0.0-beta.42",
+    "@babel/preset-stage-1": "7.0.0-beta.42",
+    "@babel/preset-stage-2": "7.0.0-beta.42",
+    "@babel/preset-stage-3": "7.0.0-beta.42",
+    "@babel/preset-typescript": "7.0.0-beta.42"
   },
   "keywords": [
     "babel",
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 0143f660ab92..a33197b41743 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/template",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Generate an AST from a string template.",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,9 +8,9 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-template",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
-    "babylon": "7.0.0-beta.41",
+    "@babel/code-frame": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
+    "babylon": "7.0.0-beta.42",
     "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 6004183ecdac..57db99619313 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/traverse",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -8,18 +8,18 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-traverse",
   "main": "lib/index.js",
   "dependencies": {
-    "@babel/code-frame": "7.0.0-beta.41",
-    "@babel/generator": "7.0.0-beta.41",
-    "@babel/helper-function-name": "7.0.0-beta.41",
-    "@babel/helper-split-export-declaration": "7.0.0-beta.41",
-    "@babel/types": "7.0.0-beta.41",
-    "babylon": "7.0.0-beta.41",
+    "@babel/code-frame": "7.0.0-beta.42",
+    "@babel/generator": "7.0.0-beta.42",
+    "@babel/helper-function-name": "7.0.0-beta.42",
+    "@babel/helper-split-export-declaration": "7.0.0-beta.42",
+    "@babel/types": "7.0.0-beta.42",
+    "babylon": "7.0.0-beta.42",
     "debug": "^3.1.0",
     "globals": "^11.1.0",
     "invariant": "^2.2.0",
     "lodash": "^4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.41"
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index 662d6d6f9065..89e1f2a35b35 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@babel/types",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "Babel Types is a Lodash-esque utility library for AST nodes",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -14,7 +14,7 @@
     "to-fast-properties": "^2.0.0"
   },
   "devDependencies": {
-    "@babel/generator": "7.0.0-beta.41",
-    "babylon": "7.0.0-beta.41"
+    "@babel/generator": "7.0.0-beta.42",
+    "babylon": "7.0.0-beta.42"
   }
 }
diff --git a/packages/babylon/package.json b/packages/babylon/package.json
index 14d0bdd6d44f..da8fec58a63f 100644
--- a/packages/babylon/package.json
+++ b/packages/babylon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "babylon",
-  "version": "7.0.0-beta.41",
+  "version": "7.0.0-beta.42",
   "description": "A JavaScript parser",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
@@ -23,7 +23,7 @@
     "node": ">=4.2.0"
   },
   "devDependencies": {
-    "@babel/helper-fixtures": "7.0.0-beta.41",
+    "@babel/helper-fixtures": "7.0.0-beta.42",
     "charcodes": "0.1.0",
     "unicode-10.0.0": "^0.7.4"
   },

From 8eee435cd6227587e20c9d1235ba4cca4b05e6fc Mon Sep 17 00:00:00 2001
From: Amin Marashi <marashi.s.amin@gmail.com>
Date: Sun, 18 Mar 2018 22:54:43 +0800
Subject: [PATCH 132/140] Add RegExp support to include/exclude preset-env
 options (#7242)

* Add support for RegExp includes/excludes

* Keep the plugin order

* Detect invalid modules in regexp

* Add more tests for regexp

* Cover builtins, and unnormalized in the RegExp tests

* Remove babel-plugin- in all positions

* Change babel-plugin- prefix to string

* Add a test for the same module in include/exclude

* Handle partial matches explicitly

* Remove extra valid regexp check

* Optimise validation of plugins

* Optimise selecting the plugins

* Fix undefined include/exclude option

* Update documentation to reflect the new include matching

* Fix typo

* Apply reviews

Use regexp.test instead of string.match (slower)

Define flatten helper

Do not normalize babel-plugin anywhere in the string
---
 packages/babel-preset-env/README.md           | 14 ++-
 .../babel-preset-env/src/normalize-options.js | 56 +++++++-----
 .../test/normalize-options.spec.js            | 88 ++++++++++++-------
 3 files changed, 102 insertions(+), 56 deletions(-)

diff --git a/packages/babel-preset-env/README.md b/packages/babel-preset-env/README.md
index 3bb7ec199135..8f81aa4871da 100644
--- a/packages/babel-preset-env/README.md
+++ b/packages/babel-preset-env/README.md
@@ -245,7 +245,7 @@ Outputs the targets/plugins used and the version specified in [plugin data versi
 
 ### `include`
 
-`Array<string>`, defaults to `[]`.
+`Array<string|RegExp>`, defaults to `[]`.
 
 An array of plugins to always include.
 
@@ -255,6 +255,16 @@ Valid options include any:
 
 - [Built-ins](https://github.com/babel/babel/blob/master/packages/babel-preset-env/data/built-in-features.js), such as `es6.map`, `es6.set`, or `es6.object.assign`.
 
+Plugin names can be fully or partially specified (or using `RegExp`).
+
+Acceptable inputs:
+
+- Full name (`string`): `"es6.math.sign"`
+- Partial name (`string`): `"es6.math.*"` (resolves to all plugins with `es6.math` prefix)
+- `RegExp` Object: `/^transform-.*$/` or `new RegExp("^transform-modules-.*")`
+
+Note that the above `.` is the `RegExp` equivalent to match any character, and not the actual `'.'` character. Also note that to match any character `.*` is used in `RegExp` as opposed to `*` in `glob` format.
+
 This option is useful if there is a bug in a native implementation, or a combination of a non-supported feature + a supported one doesn't work.
 
 For example, Node 4 supports native classes but not spread. If `super` is used with a spread argument, then the `@babel/plugin-transform-classes` transform needs to be `include`d, as it is not possible to transpile a spread with `super` otherwise.
@@ -263,7 +273,7 @@ For example, Node 4 supports native classes but not spread. If `super` is used w
 
 ### `exclude`
 
-`Array<string>`, defaults to `[]`.
+`Array<string|RegExp>`, defaults to `[]`.
 
 An array of plugins to always exclude/remove.
 
diff --git a/packages/babel-preset-env/src/normalize-options.js b/packages/babel-preset-env/src/normalize-options.js
index bbcdbd19f732..13b39a1662f8 100644
--- a/packages/babel-preset-env/src/normalize-options.js
+++ b/packages/babel-preset-env/src/normalize-options.js
@@ -15,26 +15,44 @@ const validIncludesAndExcludes = new Set([
   ...defaultWebIncludes,
 ]);
 
-export const validateIncludesAndExcludes = (
-  opts: Array<string> = [],
+const pluginToRegExp = (plugin: any): RegExp => {
+  if (plugin instanceof RegExp) return plugin;
+  try {
+    return new RegExp(`^${normalizePluginName(plugin)}$`);
+  } catch (e) {
+    return null;
+  }
+};
+
+const selectPlugins = (regexp: RegExp): Array<string> =>
+  Array.from(validIncludesAndExcludes).filter(
+    item => regexp instanceof RegExp && regexp.test(item),
+  );
+
+const flatten = array => [].concat(...array);
+
+const expandIncludesAndExcludes = (
+  plugins: Array<string | RegExp> = [],
   type: string,
 ): Array<string> => {
-  invariant(
-    Array.isArray(opts),
-    `Invalid Option: The '${type}' option must be an Array<String> of plugins/built-ins`,
-  );
+  if (plugins.length === 0) return plugins;
 
-  const unknownOpts = opts.filter(opt => !validIncludesAndExcludes.has(opt));
+  const selectedPlugins = plugins.map(plugin =>
+    selectPlugins(pluginToRegExp(plugin)),
+  );
+  const invalidRegExpList = plugins.filter(
+    (p, i) => selectedPlugins[i].length === 0,
+  );
 
   invariant(
-    unknownOpts.length === 0,
-    `Invalid Option: The plugins/built-ins '${unknownOpts.join(
+    invalidRegExpList.length === 0,
+    `Invalid Option: The plugins/built-ins '${invalidRegExpList.join(
       ", ",
     )}' passed to the '${type}' option are not
     valid. Please check data/[plugin-features|built-in-features].js in babel-preset-env`,
   );
 
-  return opts;
+  return flatten(selectedPlugins);
 };
 
 const validBrowserslistTargets = [
@@ -45,9 +63,6 @@ const validBrowserslistTargets = [
 export const normalizePluginName = (plugin: string): string =>
   plugin.replace(/^babel-plugin-/, "");
 
-export const normalizePluginNames = (plugins: Array<string>): Array<string> =>
-  plugins.map(normalizePluginName);
-
 export const checkDuplicateIncludeExcludes = (
   include: Array<string> = [],
   exclude: Array<string> = [],
@@ -138,20 +153,16 @@ export const validateUseBuiltInsOption = (
 };
 
 export default function normalizeOptions(opts: Options) {
-  if (opts.exclude) {
-    opts.exclude = normalizePluginNames(opts.exclude);
-  }
-
-  if (opts.include) {
-    opts.include = normalizePluginNames(opts.include);
-  }
+  const include = expandIncludesAndExcludes(opts.include, "include");
+  const exclude = expandIncludesAndExcludes(opts.exclude, "exclude");
 
-  checkDuplicateIncludeExcludes(opts.include, opts.exclude);
+  checkDuplicateIncludeExcludes(include, exclude);
 
   return {
     configPath: validateConfigPathOption(opts.configPath),
     debug: opts.debug,
-    exclude: validateIncludesAndExcludes(opts.exclude, "exclude"),
+    include,
+    exclude,
     forceAllTransforms: validateBoolOption(
       "forceAllTransforms",
       opts.forceAllTransforms,
@@ -160,7 +171,6 @@ export default function normalizeOptions(opts: Options) {
     ignoreBrowserslistConfig: validateIgnoreBrowserslistConfig(
       opts.ignoreBrowserslistConfig,
     ),
-    include: validateIncludesAndExcludes(opts.include, "include"),
     loose: validateBoolOption("loose", opts.loose, false),
     modules: validateModulesOption(opts.modules),
     shippedProposals: validateBoolOption(
diff --git a/packages/babel-preset-env/test/normalize-options.spec.js b/packages/babel-preset-env/test/normalize-options.spec.js
index 778ca28b9b8f..08c4d02175ef 100644
--- a/packages/babel-preset-env/test/normalize-options.spec.js
+++ b/packages/babel-preset-env/test/normalize-options.spec.js
@@ -5,12 +5,10 @@ const assert = require("assert");
 
 const {
   checkDuplicateIncludeExcludes,
-  normalizePluginNames,
   validateBoolOption,
-  validateIncludesAndExcludes,
   validateModulesOption,
+  normalizePluginName,
 } = normalizeOptions;
-
 describe("normalize-options", () => {
   describe("normalizeOptions", () => {
     it("should return normalized `include` and `exclude`", () => {
@@ -23,6 +21,11 @@ describe("normalize-options", () => {
       ]);
     });
 
+    it("should not normalize babel-plugin with prefix", () => {
+      const normalized = normalizePluginName("prefix-babel-plugin-postfix");
+      assert.equal(normalized, "prefix-babel-plugin-postfix");
+    });
+
     it("should throw if duplicate names in `include` and `exclude`", () => {
       const normalizeWithSameIncludes = () => {
         normalizeOptions.default({
@@ -34,6 +37,57 @@ describe("normalize-options", () => {
     });
   });
 
+  describe("RegExp include/exclude", () => {
+    it("should not allow invalid plugins in `include` and `exclude`", () => {
+      const normalizeWithNonExistingPlugin = () => {
+        normalizeOptions.default({
+          include: ["non-existing-plugin"],
+        });
+      };
+      assert.throws(normalizeWithNonExistingPlugin, Error);
+    });
+
+    it("should expand regular expressions in `include` and `exclude`", () => {
+      const normalized = normalizeOptions.default({
+        include: ["^[a-z]*-spread", "babel-plugin-transform-classes"],
+      });
+      assert.deepEqual(normalized.include, [
+        "transform-spread",
+        "transform-classes",
+      ]);
+    });
+
+    it("should expand regular expressions in `include` and `exclude`", () => {
+      const normalized = normalizeOptions.default({
+        exclude: ["es6.math.log.*"],
+      });
+      assert.deepEqual(normalized.exclude, [
+        "es6.math.log1p",
+        "es6.math.log10",
+        "es6.math.log2",
+      ]);
+    });
+
+    it("should not allow the same modules in `include` and `exclude`", () => {
+      const normalizeWithNonExistingPlugin = () => {
+        normalizeOptions.default({
+          include: ["es6.math.log2"],
+          exclude: ["es6.math.log.*"],
+        });
+      };
+      assert.throws(normalizeWithNonExistingPlugin, Error);
+    });
+
+    it("should not do partial match if not explicitly defined `include` and `exclude`", () => {
+      const normalized = normalizeOptions.default({
+        include: ["es6.reflect.set-prototype-of"],
+        exclude: ["es6.reflect.set"],
+      });
+      assert.deepEqual(normalized.include, ["es6.reflect.set-prototype-of"]);
+      assert.deepEqual(normalized.exclude, ["es6.reflect.set"]);
+    });
+  });
+
   describe("validateBoolOption", () => {
     it("`undefined` option returns false", () => {
       assert(validateBoolOption("test", undefined, false) === false);
@@ -71,24 +125,6 @@ describe("normalize-options", () => {
     });
   });
 
-  describe("normalizePluginNames", function() {
-    it("should drop `babel-plugin-` prefix if needed", function() {
-      assert.deepEqual(
-        normalizePluginNames([
-          "babel-plugin-transform-object-super",
-          "transform-parameters",
-        ]),
-        ["transform-object-super", "transform-parameters"],
-      );
-    });
-
-    it("should not throw if no duplicate names in both", function() {
-      assert.doesNotThrow(() => {
-        checkDuplicateIncludeExcludes(["transform-regenerator"], ["map"]);
-      }, Error);
-    });
-  });
-
   describe("validateModulesOption", () => {
     it("`undefined` option returns commonjs", () => {
       assert(validateModulesOption() === "commonjs");
@@ -126,14 +162,4 @@ describe("normalize-options", () => {
       }, Error);
     });
   });
-  describe("validateIncludesAndExcludes", function() {
-    it("should return empty arrays if undefined", function() {
-      assert.deepEqual(validateIncludesAndExcludes(), []);
-    });
-    it("should throw if not in features", function() {
-      assert.throws(() => {
-        validateIncludesAndExcludes(["asdf"]);
-      }, Error);
-    });
-  });
 });

From e2c5f25e97757cf4f7bd1527c51a9b61a29115ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Pierzcha=C5=82a?= <thymikee@gmail.com>
Date: Mon, 19 Mar 2018 16:37:59 +0100
Subject: [PATCH 133/140] Refactored quirky inheritance in
 babel-plugin-transform-classes (#7444)

* chore(plugin-transform-classes): refactor inheritance

* path some flow types

* remove unused export

* get rid of class

* temporarily rename to vanilla for diff readability

* more setState with minor adjustments

* rename 'private' methods

* explicit null check

* adjust import ordering

* Rename createConstructor -> maybeCreateConstructor

* Rename vanilla.js -> transformClass.js
---
 .../src/index.js                              |  14 +-
 .../src/loose.js                              |  67 --
 .../src/transformClass.js                     | 718 ++++++++++++++++++
 .../src/vanilla.js                            | 624 ---------------
 4 files changed, 725 insertions(+), 698 deletions(-)
 delete mode 100644 packages/babel-plugin-transform-classes/src/loose.js
 create mode 100644 packages/babel-plugin-transform-classes/src/transformClass.js
 delete mode 100644 packages/babel-plugin-transform-classes/src/vanilla.js

diff --git a/packages/babel-plugin-transform-classes/src/index.js b/packages/babel-plugin-transform-classes/src/index.js
index 926d3cce5afb..176c0a2ae3bd 100644
--- a/packages/babel-plugin-transform-classes/src/index.js
+++ b/packages/babel-plugin-transform-classes/src/index.js
@@ -1,11 +1,12 @@
+// @flow
 import { declare } from "@babel/helper-plugin-utils";
-import LooseTransformer from "./loose";
-import VanillaTransformer from "./vanilla";
 import annotateAsPure from "@babel/helper-annotate-as-pure";
 import nameFunction from "@babel/helper-function-name";
 import splitExportDeclaration from "@babel/helper-split-export-declaration";
 import { types as t } from "@babel/core";
+import type { NodePath } from "@babel/traverse";
 import globals from "globals";
+import transformClass from "./transformClass";
 
 const getBuiltinClasses = category =>
   Object.keys(globals[category]).filter(name => /^[A-Z]/.test(name));
@@ -19,19 +20,18 @@ export default declare((api, options) => {
   api.assertVersion(7);
 
   const { loose } = options;
-  const Constructor = loose ? LooseTransformer : VanillaTransformer;
 
   // todo: investigate traversal requeueing
   const VISITED = Symbol();
 
   return {
     visitor: {
-      ExportDefaultDeclaration(path) {
+      ExportDefaultDeclaration(path: NodePath) {
         if (!path.get("declaration").isClassDeclaration()) return;
         splitExportDeclaration(path);
       },
 
-      ClassDeclaration(path) {
+      ClassDeclaration(path: NodePath) {
         const { node } = path;
 
         const ref = node.id || path.scope.generateUidIdentifier("class");
@@ -43,7 +43,7 @@ export default declare((api, options) => {
         );
       },
 
-      ClassExpression(path, state) {
+      ClassExpression(path: NodePath, state: any) {
         const { node } = path;
         if (node[VISITED]) return;
 
@@ -56,7 +56,7 @@ export default declare((api, options) => {
         node[VISITED] = true;
 
         path.replaceWith(
-          new Constructor(path, state.file, builtinClasses).run(),
+          transformClass(path, state.file, builtinClasses, loose),
         );
 
         if (path.isCallExpression()) {
diff --git a/packages/babel-plugin-transform-classes/src/loose.js b/packages/babel-plugin-transform-classes/src/loose.js
deleted file mode 100644
index fc87cfb222a2..000000000000
--- a/packages/babel-plugin-transform-classes/src/loose.js
+++ /dev/null
@@ -1,67 +0,0 @@
-import nameFunction from "@babel/helper-function-name";
-import VanillaTransformer from "./vanilla";
-import { types as t } from "@babel/core";
-
-export default class LooseClassTransformer extends VanillaTransformer {
-  constructor() {
-    super(...arguments);
-    this._protoAlias = null;
-    this.isLoose = true;
-  }
-
-  _insertProtoAliasOnce() {
-    if (!this._protoAlias) {
-      this._protoAlias = this.scope.generateUidIdentifier("proto");
-      const classProto = t.memberExpression(
-        this.classRef,
-        t.identifier("prototype"),
-      );
-      const protoDeclaration = t.variableDeclaration("var", [
-        t.variableDeclarator(this._protoAlias, classProto),
-      ]);
-
-      this.body.push(protoDeclaration);
-    }
-  }
-
-  _processMethod(node, scope) {
-    if (!node.decorators) {
-      // use assignments instead of define properties for loose classes
-
-      let classRef = this.classRef;
-      if (!node.static) {
-        this._insertProtoAliasOnce();
-        classRef = this._protoAlias;
-      }
-      const methodName = t.memberExpression(
-        t.cloneNode(classRef),
-        node.key,
-        node.computed || t.isLiteral(node.key),
-      );
-
-      let func = t.functionExpression(
-        null,
-        node.params,
-        node.body,
-        node.generator,
-        node.async,
-      );
-      func.returnType = node.returnType;
-      const key = t.toComputedKey(node, node.key);
-      if (t.isStringLiteral(key)) {
-        func = nameFunction({
-          node: func,
-          id: key,
-          scope,
-        });
-      }
-
-      const expr = t.expressionStatement(
-        t.assignmentExpression("=", methodName, func),
-      );
-      t.inheritsComments(expr, node);
-      this.body.push(expr);
-      return true;
-    }
-  }
-}
diff --git a/packages/babel-plugin-transform-classes/src/transformClass.js b/packages/babel-plugin-transform-classes/src/transformClass.js
new file mode 100644
index 000000000000..364e51a053ba
--- /dev/null
+++ b/packages/babel-plugin-transform-classes/src/transformClass.js
@@ -0,0 +1,718 @@
+// @flow
+import type { NodePath } from "@babel/traverse";
+import nameFunction from "@babel/helper-function-name";
+import ReplaceSupers from "@babel/helper-replace-supers";
+import optimiseCall from "@babel/helper-optimise-call-expression";
+import * as defineMap from "@babel/helper-define-map";
+import { traverse, template, types as t } from "@babel/core";
+
+type ReadonlySet<T> = Set<T> | { has(val: T): boolean };
+
+const noMethodVisitor = {
+  "FunctionExpression|FunctionDeclaration"(path) {
+    path.skip();
+  },
+
+  Method(path) {
+    path.skip();
+  },
+};
+
+function buildConstructor(classRef, constructorBody, node) {
+  const func = t.functionDeclaration(
+    t.cloneNode(classRef),
+    [],
+    constructorBody,
+  );
+  t.inherits(func, node);
+  return func;
+}
+
+export default function transformClass(
+  path: NodePath,
+  file: any,
+  builtinClasses: ReadonlySet<string>,
+  isLoose: boolean,
+) {
+  const classState = {
+    parent: undefined,
+    scope: undefined,
+    node: undefined,
+    path: undefined,
+    file: undefined,
+
+    classId: undefined,
+    classRef: undefined,
+    superName: undefined,
+    superReturns: [],
+    isDerived: false,
+    extendsNative: false,
+
+    construct: undefined,
+    constructorBody: undefined,
+    userConstructor: undefined,
+    userConstructorPath: undefined,
+    hasConstructor: false,
+
+    instancePropBody: [],
+    instancePropRefs: {},
+    staticPropBody: [],
+    body: [],
+    bareSupers: [],
+    superThises: [],
+    pushedConstructor: false,
+    pushedInherits: false,
+    protoAlias: null,
+    isLoose: false,
+    hasBareSuper: false,
+
+    instanceInitializersId: undefined,
+    staticInitializersId: undefined,
+    hasInstanceDescriptors: false,
+    hasStaticDescriptors: false,
+    instanceMutatorMap: {},
+    staticMutatorMap: {},
+  };
+
+  const setState = newState => {
+    Object.assign(classState, newState);
+  };
+
+  const verifyConstructorVisitor = traverse.visitors.merge([
+    noMethodVisitor,
+    {
+      CallExpression: {
+        exit(path) {
+          if (path.get("callee").isSuper()) {
+            setState({ hasBareSuper: true });
+
+            if (!classState.isDerived) {
+              throw path.buildCodeFrameError(
+                "super() is only allowed in a derived constructor",
+              );
+            }
+          }
+        },
+      },
+
+      ThisExpression(path) {
+        if (classState.isDerived) {
+          if (path.parentPath.isMemberExpression({ object: path.node })) {
+            // In cases like this.foo or this[foo], there is no need to add
+            // assertThisInitialized, since they already throw if this is
+            // undefined.
+            return;
+          }
+
+          const assertion = t.callExpression(
+            classState.file.addHelper("assertThisInitialized"),
+            [path.node],
+          );
+          path.replaceWith(assertion);
+          path.skip();
+        }
+      },
+    },
+  ]);
+
+  const findThisesVisitor = traverse.visitors.merge([
+    noMethodVisitor,
+    {
+      ThisExpression(path) {
+        classState.superThises.push(path);
+      },
+    },
+  ]);
+
+  function pushToMap(node, enumerable, kind = "value", scope?) {
+    let mutatorMap;
+    if (node.static) {
+      setState({ hasStaticDescriptors: true });
+      mutatorMap = classState.staticMutatorMap;
+    } else {
+      setState({ hasInstanceDescriptors: true });
+      mutatorMap = classState.instanceMutatorMap;
+    }
+
+    const map = defineMap.push(mutatorMap, node, kind, classState.file, scope);
+
+    if (enumerable) {
+      map.enumerable = t.booleanLiteral(true);
+    }
+
+    return map;
+  }
+
+  /**
+   * Creates a class constructor or bail out if there is none
+   */
+  function maybeCreateConstructor() {
+    let hasConstructor = false;
+    const paths = classState.path.get("body.body");
+    for (const path of paths) {
+      hasConstructor = path.equals("kind", "constructor");
+      if (hasConstructor) break;
+    }
+    if (hasConstructor) return;
+
+    let params, body;
+
+    if (classState.isDerived) {
+      const constructor = template.expression.ast`
+        (function () {
+          super(...arguments);
+        })
+      `;
+      params = constructor.params;
+      body = constructor.body;
+    } else {
+      params = [];
+      body = t.blockStatement([]);
+    }
+
+    classState.path
+      .get("body")
+      .unshiftContainer(
+        "body",
+        t.classMethod("constructor", t.identifier("constructor"), params, body),
+      );
+  }
+
+  function buildBody() {
+    maybeCreateConstructor();
+    pushBody();
+    verifyConstructor();
+
+    if (classState.userConstructor) {
+      const { constructorBody, userConstructor, construct } = classState;
+      constructorBody.body = constructorBody.body.concat(
+        userConstructor.body.body,
+      );
+      t.inherits(construct, userConstructor);
+      t.inherits(constructorBody, userConstructor.body);
+    }
+
+    pushDescriptors();
+  }
+
+  function pushBody() {
+    const classBodyPaths: Array<Object> = classState.path.get("body.body");
+
+    for (const path of classBodyPaths) {
+      const node = path.node;
+
+      if (path.isClassProperty()) {
+        throw path.buildCodeFrameError("Missing class properties transform.");
+      }
+
+      if (node.decorators) {
+        throw path.buildCodeFrameError(
+          "Method has decorators, put the decorator plugin before the classes one.",
+        );
+      }
+
+      if (t.isClassMethod(node)) {
+        const isConstructor = node.kind === "constructor";
+
+        if (isConstructor) {
+          path.traverse(verifyConstructorVisitor);
+        }
+
+        const replaceSupers = new ReplaceSupers(
+          {
+            forceSuperMemoisation: isConstructor,
+            methodPath: path,
+            methodNode: node,
+            objectRef: classState.classRef,
+            superRef: classState.superName,
+            inConstructor: isConstructor,
+            isStatic: node.static,
+            isLoose: classState.isLoose,
+            scope: classState.scope,
+            file: classState.file,
+          },
+          true,
+        );
+
+        replaceSupers.replace();
+
+        if (isConstructor) {
+          pushConstructor(replaceSupers, node, path);
+        } else {
+          pushMethod(node, path);
+        }
+      }
+    }
+  }
+
+  function clearDescriptors() {
+    setState({
+      hasInstanceDescriptors: false,
+      hasStaticDescriptors: false,
+      instanceMutatorMap: {},
+      staticMutatorMap: {},
+    });
+  }
+
+  function pushDescriptors() {
+    pushInheritsToBody();
+
+    const { body } = classState;
+
+    let instanceProps;
+    let staticProps;
+
+    if (classState.hasInstanceDescriptors) {
+      instanceProps = defineMap.toClassObject(classState.instanceMutatorMap);
+    }
+
+    if (classState.hasStaticDescriptors) {
+      staticProps = defineMap.toClassObject(classState.staticMutatorMap);
+    }
+
+    if (instanceProps || staticProps) {
+      if (instanceProps) {
+        instanceProps = defineMap.toComputedObjectFromClass(instanceProps);
+      }
+      if (staticProps) {
+        staticProps = defineMap.toComputedObjectFromClass(staticProps);
+      }
+
+      let args = [
+        t.cloneNode(classState.classRef), // Constructor
+        t.nullLiteral(), // instanceDescriptors
+        t.nullLiteral(), // staticDescriptors
+        t.nullLiteral(), // instanceInitializers
+        t.nullLiteral(), // staticInitializers
+      ];
+
+      if (instanceProps) args[1] = instanceProps;
+      if (staticProps) args[2] = staticProps;
+
+      if (classState.instanceInitializersId) {
+        args[3] = classState.instanceInitializersId;
+        body.unshift(buildObjectAssignment(classState.instanceInitializersId));
+      }
+
+      if (classState.staticInitializersId) {
+        args[4] = classState.staticInitializersId;
+        body.unshift(buildObjectAssignment(classState.staticInitializersId));
+      }
+
+      let lastNonNullIndex = 0;
+      for (let i = 0; i < args.length; i++) {
+        if (!t.isNullLiteral(args[i])) lastNonNullIndex = i;
+      }
+      args = args.slice(0, lastNonNullIndex + 1);
+
+      body.push(
+        t.expressionStatement(
+          t.callExpression(classState.file.addHelper("createClass"), args),
+        ),
+      );
+    }
+
+    clearDescriptors();
+  }
+
+  function buildObjectAssignment(id) {
+    return t.variableDeclaration("var", [
+      t.variableDeclarator(id, t.objectExpression([])),
+    ]);
+  }
+
+  function wrapSuperCall(bareSuper, superRef, thisRef, body) {
+    let bareSuperNode = bareSuper.node;
+    let call;
+
+    if (classState.isLoose) {
+      bareSuperNode.arguments.unshift(t.thisExpression());
+      if (
+        bareSuperNode.arguments.length === 2 &&
+        t.isSpreadElement(bareSuperNode.arguments[1]) &&
+        t.isIdentifier(bareSuperNode.arguments[1].argument, {
+          name: "arguments",
+        })
+      ) {
+        // special case single arguments spread
+        bareSuperNode.arguments[1] = bareSuperNode.arguments[1].argument;
+        bareSuperNode.callee = t.memberExpression(
+          t.cloneNode(superRef),
+          t.identifier("apply"),
+        );
+      } else {
+        bareSuperNode.callee = t.memberExpression(
+          t.cloneNode(superRef),
+          t.identifier("call"),
+        );
+      }
+
+      call = t.logicalExpression("||", bareSuperNode, t.thisExpression());
+    } else {
+      bareSuperNode = optimiseCall(
+        t.logicalExpression(
+          "||",
+          t.memberExpression(
+            t.cloneNode(classState.classRef),
+            t.identifier("__proto__"),
+          ),
+          t.callExpression(
+            t.memberExpression(
+              t.identifier("Object"),
+              t.identifier("getPrototypeOf"),
+            ),
+            [t.cloneNode(classState.classRef)],
+          ),
+        ),
+        t.thisExpression(),
+        bareSuperNode.arguments,
+      );
+
+      call = t.callExpression(
+        classState.file.addHelper("possibleConstructorReturn"),
+        [t.thisExpression(), bareSuperNode],
+      );
+    }
+
+    if (
+      bareSuper.parentPath.isExpressionStatement() &&
+      bareSuper.parentPath.container === body.node.body &&
+      body.node.body.length - 1 === bareSuper.parentPath.key
+    ) {
+      // this super call is the last statement in the body so we can just straight up
+      // turn it into a return
+
+      if (classState.superThises.length) {
+        call = t.assignmentExpression("=", thisRef(), call);
+      }
+
+      bareSuper.parentPath.replaceWith(t.returnStatement(call));
+    } else {
+      bareSuper.replaceWith(t.assignmentExpression("=", thisRef(), call));
+    }
+  }
+
+  function verifyConstructor() {
+    if (!classState.isDerived) return;
+
+    const path = classState.userConstructorPath;
+    const body = path.get("body");
+
+    path.traverse(findThisesVisitor);
+
+    let guaranteedSuperBeforeFinish = !!classState.bareSupers.length;
+
+    const superRef = classState.superName || t.identifier("Function");
+    let thisRef = function() {
+      const ref = path.scope.generateDeclaredUidIdentifier("this");
+      thisRef = () => t.cloneNode(ref);
+      return ref;
+    };
+
+    for (const bareSuper of classState.bareSupers) {
+      wrapSuperCall(bareSuper, superRef, thisRef, body);
+
+      if (guaranteedSuperBeforeFinish) {
+        bareSuper.find(function(parentPath) {
+          // hit top so short circuit
+          if (parentPath === path) {
+            return true;
+          }
+
+          if (
+            parentPath.isLoop() ||
+            parentPath.isConditional() ||
+            parentPath.isArrowFunctionExpression()
+          ) {
+            guaranteedSuperBeforeFinish = false;
+            return true;
+          }
+        });
+      }
+    }
+
+    for (const thisPath of classState.superThises) {
+      thisPath.replaceWith(thisRef());
+    }
+
+    let wrapReturn;
+
+    if (classState.isLoose) {
+      wrapReturn = returnArg => {
+        const thisExpr = t.callExpression(
+          classState.file.addHelper("assertThisInitialized"),
+          [thisRef()],
+        );
+        return returnArg
+          ? t.logicalExpression("||", returnArg, thisExpr)
+          : thisExpr;
+      };
+    } else {
+      wrapReturn = returnArg =>
+        t.callExpression(
+          classState.file.addHelper("possibleConstructorReturn"),
+          [thisRef()].concat(returnArg || []),
+        );
+    }
+
+    // if we have a return as the last node in the body then we've already caught that
+    // return
+    const bodyPaths = body.get("body");
+    if (!bodyPaths.length || !bodyPaths.pop().isReturnStatement()) {
+      body.pushContainer(
+        "body",
+        t.returnStatement(
+          guaranteedSuperBeforeFinish ? thisRef() : wrapReturn(),
+        ),
+      );
+    }
+
+    for (const returnPath of classState.superReturns) {
+      returnPath
+        .get("argument")
+        .replaceWith(wrapReturn(returnPath.node.argument));
+    }
+  }
+
+  /**
+   * Push a method to its respective mutatorMap.
+   */
+  function pushMethod(node: { type: "ClassMethod" }, path?: NodePath) {
+    const scope = path ? path.scope : classState.scope;
+
+    if (node.kind === "method") {
+      if (processMethod(node, scope)) return;
+    }
+
+    pushToMap(node, false, null, scope);
+  }
+
+  function processMethod(node, scope) {
+    if (classState.isLoose && !node.decorators) {
+      // use assignments instead of define properties for loose classes
+      let { classRef } = classState;
+      if (!node.static) {
+        insertProtoAliasOnce();
+        classRef = classState.protoAlias;
+      }
+      const methodName = t.memberExpression(
+        t.cloneNode(classRef),
+        node.key,
+        node.computed || t.isLiteral(node.key),
+      );
+
+      let func = t.functionExpression(
+        null,
+        node.params,
+        node.body,
+        node.generator,
+        node.async,
+      );
+      func.returnType = node.returnType;
+      const key = t.toComputedKey(node, node.key);
+      if (t.isStringLiteral(key)) {
+        func = nameFunction({
+          node: func,
+          id: key,
+          scope,
+        });
+      }
+
+      const expr = t.expressionStatement(
+        t.assignmentExpression("=", methodName, func),
+      );
+      t.inheritsComments(expr, node);
+      classState.body.push(expr);
+      return true;
+    }
+
+    return false;
+  }
+
+  function insertProtoAliasOnce() {
+    if (classState.protoAlias === null) {
+      setState({ protoAlias: classState.scope.generateUidIdentifier("proto") });
+      const classProto = t.memberExpression(
+        classState.classRef,
+        t.identifier("prototype"),
+      );
+      const protoDeclaration = t.variableDeclaration("var", [
+        t.variableDeclarator(classState.protoAlias, classProto),
+      ]);
+
+      classState.body.push(protoDeclaration);
+    }
+  }
+
+  /**
+   * Replace the constructor body of our class.
+   */
+  function pushConstructor(
+    replaceSupers,
+    method: { type: "ClassMethod" },
+    path: NodePath,
+  ) {
+    // https://github.com/babel/babel/issues/1077
+    if (path.scope.hasOwnBinding(classState.classRef.name)) {
+      path.scope.rename(classState.classRef.name);
+    }
+
+    setState({
+      userConstructorPath: path,
+      userConstructor: method,
+      hasConstructor: true,
+      bareSupers: replaceSupers.bareSupers,
+      superReturns: replaceSupers.returns,
+    });
+
+    const { construct } = classState;
+
+    t.inheritsComments(construct, method);
+
+    construct.params = method.params;
+
+    t.inherits(construct.body, method.body);
+    construct.body.directives = method.body.directives;
+
+    pushConstructorToBody();
+  }
+
+  function pushConstructorToBody() {
+    if (classState.pushedConstructor) return;
+    classState.pushedConstructor = true;
+
+    // we haven't pushed any descriptors yet
+    if (classState.hasInstanceDescriptors || classState.hasStaticDescriptors) {
+      pushDescriptors();
+    }
+
+    classState.body.push(classState.construct);
+
+    pushInheritsToBody();
+  }
+
+  /**
+   * Push inherits helper to body.
+   */
+  function pushInheritsToBody() {
+    if (!classState.isDerived || classState.pushedInherits) return;
+
+    setState({ pushedInherits: true });
+
+    // Unshift to ensure that the constructor inheritance is set up before
+    // any properties can be assigned to the prototype.
+    classState.body.unshift(
+      t.expressionStatement(
+        t.callExpression(
+          classState.file.addHelper(
+            classState.isLoose ? "inheritsLoose" : "inherits",
+          ),
+          [t.cloneNode(classState.classRef), t.cloneNode(classState.superName)],
+        ),
+      ),
+    );
+  }
+
+  function setupClosureParamsArgs() {
+    const { superName } = classState;
+    const closureParams = [];
+    const closureArgs = [];
+
+    if (classState.isDerived) {
+      const arg = classState.extendsNative
+        ? t.callExpression(classState.file.addHelper("wrapNativeSuper"), [
+            t.cloneNode(superName),
+          ])
+        : t.cloneNode(superName);
+      const param = classState.scope.generateUidIdentifierBasedOnNode(
+        superName,
+      );
+
+      closureParams.push(param);
+      closureArgs.push(arg);
+
+      setState({ superName: t.cloneNode(param) });
+    }
+
+    return { closureParams, closureArgs };
+  }
+
+  function classTransformer(
+    path: NodePath,
+    file,
+    builtinClasses: ReadonlySet<string>,
+    isLoose: boolean,
+  ) {
+    setState({
+      parent: path.parent,
+      scope: path.scope,
+      node: path.node,
+      path,
+      file,
+      isLoose,
+    });
+
+    setState({
+      classId: classState.node.id,
+      // this is the name of the binding that will **always** reference the class we've constructed
+      classRef: classState.node.id
+        ? t.identifier(classState.node.id.name)
+        : classState.scope.generateUidIdentifier("class"),
+      superName: classState.node.superClass || t.identifier("Function"),
+      isDerived: !!classState.node.superClass,
+      constructorBody: t.blockStatement([]),
+    });
+
+    setState({
+      extendsNative:
+        classState.isDerived &&
+        builtinClasses.has(classState.superName.name) &&
+        !classState.scope.hasBinding(
+          classState.superName.name,
+          /* noGlobals */ true,
+        ),
+    });
+
+    const { classRef, node, constructorBody } = classState;
+
+    setState({
+      construct: buildConstructor(classRef, constructorBody, node),
+    });
+
+    let { body } = classState;
+    const { closureParams, closureArgs } = setupClosureParamsArgs();
+
+    buildBody();
+
+    // make sure this class isn't directly called (with A() instead new A())
+    if (!classState.isLoose) {
+      constructorBody.body.unshift(
+        t.expressionStatement(
+          t.callExpression(classState.file.addHelper("classCallCheck"), [
+            t.thisExpression(),
+            t.cloneNode(classState.classRef),
+          ]),
+        ),
+      );
+    }
+
+    body = body.concat(
+      classState.staticPropBody.map(fn => fn(t.cloneNode(classState.classRef))),
+    );
+
+    if (classState.classId && body.length === 1) {
+      // named class with only a constructor
+      return t.toExpression(body[0]);
+    }
+
+    body.push(t.returnStatement(t.cloneNode(classState.classRef)));
+
+    const container = t.arrowFunctionExpression(
+      closureParams,
+      t.blockStatement(body),
+    );
+    return t.callExpression(container, closureArgs);
+  }
+
+  return classTransformer(path, file, builtinClasses, isLoose);
+}
diff --git a/packages/babel-plugin-transform-classes/src/vanilla.js b/packages/babel-plugin-transform-classes/src/vanilla.js
deleted file mode 100644
index 62d48b2fe473..000000000000
--- a/packages/babel-plugin-transform-classes/src/vanilla.js
+++ /dev/null
@@ -1,624 +0,0 @@
-import type { NodePath } from "@babel/traverse";
-import ReplaceSupers from "@babel/helper-replace-supers";
-import optimiseCall from "@babel/helper-optimise-call-expression";
-import * as defineMap from "@babel/helper-define-map";
-import { traverse, template, types as t } from "@babel/core";
-
-type ReadonlySet<T> = Set<T> | { has(val: T): boolean };
-
-const noMethodVisitor = {
-  "FunctionExpression|FunctionDeclaration"(path) {
-    path.skip();
-  },
-
-  Method(path) {
-    path.skip();
-  },
-};
-
-const verifyConstructorVisitor = traverse.visitors.merge([
-  noMethodVisitor,
-  {
-    CallExpression: {
-      exit(path) {
-        if (path.get("callee").isSuper()) {
-          this.hasBareSuper = true;
-
-          if (!this.isDerived) {
-            throw path.buildCodeFrameError(
-              "super() is only allowed in a derived constructor",
-            );
-          }
-        }
-      },
-    },
-
-    ThisExpression(path) {
-      if (this.isDerived) {
-        if (path.parentPath.isMemberExpression({ object: path.node })) {
-          // In cases like this.foo or this[foo], there is no need to add
-          // assertThisInitialized, since they already throw if this is
-          // undefined.
-          return;
-        }
-
-        const assertion = t.callExpression(
-          this.file.addHelper("assertThisInitialized"),
-          [path.node],
-        );
-        path.replaceWith(assertion);
-        path.skip();
-      }
-    },
-  },
-]);
-
-const findThisesVisitor = traverse.visitors.merge([
-  noMethodVisitor,
-  {
-    ThisExpression(path) {
-      this.superThises.push(path);
-    },
-  },
-]);
-
-export default class ClassTransformer {
-  constructor(path: NodePath, file, builtinClasses: ReadonlySet<string>) {
-    this.parent = path.parent;
-    this.scope = path.scope;
-    this.node = path.node;
-    this.path = path;
-    this.file = file;
-
-    this.clearDescriptors();
-
-    this.instancePropBody = [];
-    this.instancePropRefs = {};
-    this.staticPropBody = [];
-    this.body = [];
-
-    this.bareSupers = [];
-
-    this.pushedConstructor = false;
-    this.pushedInherits = false;
-    this.isLoose = false;
-
-    this.superThises = [];
-
-    // class id
-    this.classId = this.node.id;
-
-    // this is the name of the binding that will **always** reference the class we've constructed
-    this.classRef = this.node.id
-      ? t.identifier(this.node.id.name)
-      : this.scope.generateUidIdentifier("class");
-
-    this.superName = this.node.superClass || t.identifier("Function");
-    this.isDerived = !!this.node.superClass;
-
-    const { name } = this.superName;
-    this.extendsNative =
-      this.isDerived &&
-      builtinClasses.has(name) &&
-      !this.scope.hasBinding(name, /* noGlobals */ true);
-  }
-
-  run() {
-    let superName = this.superName;
-    const file = this.file;
-    let body = this.body;
-
-    //
-
-    const constructorBody = (this.constructorBody = t.blockStatement([]));
-    this.constructor = this.buildConstructor();
-
-    //
-
-    const closureParams = [];
-    const closureArgs = [];
-
-    //
-    if (this.isDerived) {
-      if (this.extendsNative) {
-        closureArgs.push(
-          t.callExpression(this.file.addHelper("wrapNativeSuper"), [
-            t.cloneNode(superName),
-          ]),
-        );
-      } else {
-        closureArgs.push(t.cloneNode(superName));
-      }
-
-      superName = this.scope.generateUidIdentifierBasedOnNode(superName);
-      closureParams.push(superName);
-
-      this.superName = t.cloneNode(superName);
-    }
-
-    //
-    this.buildBody();
-
-    // make sure this class isn't directly called (with A() instead new A())
-    if (!this.isLoose) {
-      constructorBody.body.unshift(
-        t.expressionStatement(
-          t.callExpression(file.addHelper("classCallCheck"), [
-            t.thisExpression(),
-            t.cloneNode(this.classRef),
-          ]),
-        ),
-      );
-    }
-
-    body = body.concat(
-      this.staticPropBody.map(fn => fn(t.cloneNode(this.classRef))),
-    );
-
-    if (this.classId) {
-      // named class with only a constructor
-      if (body.length === 1) return t.toExpression(body[0]);
-    }
-
-    //
-    body.push(t.returnStatement(t.cloneNode(this.classRef)));
-
-    const container = t.arrowFunctionExpression(
-      closureParams,
-      t.blockStatement(body),
-    );
-    return t.callExpression(container, closureArgs);
-  }
-
-  buildConstructor() {
-    const func = t.functionDeclaration(
-      t.cloneNode(this.classRef),
-      [],
-      this.constructorBody,
-    );
-    t.inherits(func, this.node);
-    return func;
-  }
-
-  pushToMap(node, enumerable, kind = "value", scope?) {
-    let mutatorMap;
-    if (node.static) {
-      this.hasStaticDescriptors = true;
-      mutatorMap = this.staticMutatorMap;
-    } else {
-      this.hasInstanceDescriptors = true;
-      mutatorMap = this.instanceMutatorMap;
-    }
-
-    const map = defineMap.push(mutatorMap, node, kind, this.file, scope);
-
-    if (enumerable) {
-      map.enumerable = t.booleanLiteral(true);
-    }
-
-    return map;
-  }
-
-  /**
-   * [Please add a description.]
-   * https://www.youtube.com/watch?v=fWNaR-rxAic
-   */
-
-  constructorMeMaybe() {
-    let hasConstructor = false;
-    const paths = this.path.get("body.body");
-    for (const path of (paths: Array)) {
-      hasConstructor = path.equals("kind", "constructor");
-      if (hasConstructor) break;
-    }
-    if (hasConstructor) return;
-
-    let params, body;
-
-    if (this.isDerived) {
-      const constructor = template.expression.ast`
-        (function () {
-          super(...arguments);
-        })
-      `;
-      params = constructor.params;
-      body = constructor.body;
-    } else {
-      params = [];
-      body = t.blockStatement([]);
-    }
-
-    this.path
-      .get("body")
-      .unshiftContainer(
-        "body",
-        t.classMethod("constructor", t.identifier("constructor"), params, body),
-      );
-  }
-
-  buildBody() {
-    this.constructorMeMaybe();
-    this.pushBody();
-    this.verifyConstructor();
-
-    if (this.userConstructor) {
-      const constructorBody = this.constructorBody;
-      constructorBody.body = constructorBody.body.concat(
-        this.userConstructor.body.body,
-      );
-      t.inherits(this.constructor, this.userConstructor);
-      t.inherits(constructorBody, this.userConstructor.body);
-    }
-
-    this.pushDescriptors();
-  }
-
-  pushBody() {
-    const classBodyPaths: Array<Object> = this.path.get("body.body");
-
-    for (const path of classBodyPaths) {
-      const node = path.node;
-
-      if (path.isClassProperty()) {
-        throw path.buildCodeFrameError("Missing class properties transform.");
-      }
-
-      if (node.decorators) {
-        throw path.buildCodeFrameError(
-          "Method has decorators, put the decorator plugin before the classes one.",
-        );
-      }
-
-      if (t.isClassMethod(node)) {
-        const isConstructor = node.kind === "constructor";
-
-        if (isConstructor) {
-          path.traverse(verifyConstructorVisitor, this);
-        }
-
-        const replaceSupers = new ReplaceSupers(
-          {
-            forceSuperMemoisation: isConstructor,
-            methodPath: path,
-            methodNode: node,
-            objectRef: this.classRef,
-            superRef: this.superName,
-            inConstructor: isConstructor,
-            isStatic: node.static,
-            isLoose: this.isLoose,
-            scope: this.scope,
-            file: this.file,
-          },
-          true,
-        );
-
-        replaceSupers.replace();
-
-        if (isConstructor) {
-          this.pushConstructor(replaceSupers, node, path);
-        } else {
-          this.pushMethod(node, path);
-        }
-      }
-    }
-  }
-
-  clearDescriptors() {
-    this.hasInstanceDescriptors = false;
-    this.hasStaticDescriptors = false;
-
-    this.instanceMutatorMap = {};
-    this.staticMutatorMap = {};
-  }
-
-  pushDescriptors() {
-    this.pushInherits();
-
-    const body = this.body;
-
-    let instanceProps;
-    let staticProps;
-
-    if (this.hasInstanceDescriptors) {
-      instanceProps = defineMap.toClassObject(this.instanceMutatorMap);
-    }
-
-    if (this.hasStaticDescriptors) {
-      staticProps = defineMap.toClassObject(this.staticMutatorMap);
-    }
-
-    if (instanceProps || staticProps) {
-      if (instanceProps) {
-        instanceProps = defineMap.toComputedObjectFromClass(instanceProps);
-      }
-      if (staticProps) {
-        staticProps = defineMap.toComputedObjectFromClass(staticProps);
-      }
-
-      let args = [
-        t.cloneNode(this.classRef), // Constructor
-        t.nullLiteral(), // instanceDescriptors
-        t.nullLiteral(), // staticDescriptors
-        t.nullLiteral(), // instanceInitializers
-        t.nullLiteral(), // staticInitializers
-      ];
-
-      if (instanceProps) args[1] = instanceProps;
-      if (staticProps) args[2] = staticProps;
-
-      if (this.instanceInitializersId) {
-        args[3] = this.instanceInitializersId;
-        body.unshift(this.buildObjectAssignment(this.instanceInitializersId));
-      }
-
-      if (this.staticInitializersId) {
-        args[4] = this.staticInitializersId;
-        body.unshift(this.buildObjectAssignment(this.staticInitializersId));
-      }
-
-      let lastNonNullIndex = 0;
-      for (let i = 0; i < args.length; i++) {
-        if (!t.isNullLiteral(args[i])) lastNonNullIndex = i;
-      }
-      args = args.slice(0, lastNonNullIndex + 1);
-
-      body.push(
-        t.expressionStatement(
-          t.callExpression(this.file.addHelper("createClass"), args),
-        ),
-      );
-    }
-
-    this.clearDescriptors();
-  }
-
-  buildObjectAssignment(id) {
-    return t.variableDeclaration("var", [
-      t.variableDeclarator(id, t.objectExpression([])),
-    ]);
-  }
-
-  wrapSuperCall(bareSuper, superRef, thisRef, body) {
-    let bareSuperNode = bareSuper.node;
-
-    if (this.isLoose) {
-      bareSuperNode.arguments.unshift(t.thisExpression());
-      if (
-        bareSuperNode.arguments.length === 2 &&
-        t.isSpreadElement(bareSuperNode.arguments[1]) &&
-        t.isIdentifier(bareSuperNode.arguments[1].argument, {
-          name: "arguments",
-        })
-      ) {
-        // special case single arguments spread
-        bareSuperNode.arguments[1] = bareSuperNode.arguments[1].argument;
-        bareSuperNode.callee = t.memberExpression(
-          t.cloneNode(superRef),
-          t.identifier("apply"),
-        );
-      } else {
-        bareSuperNode.callee = t.memberExpression(
-          t.cloneNode(superRef),
-          t.identifier("call"),
-        );
-      }
-    } else {
-      bareSuperNode = optimiseCall(
-        t.logicalExpression(
-          "||",
-          t.memberExpression(
-            t.cloneNode(this.classRef),
-            t.identifier("__proto__"),
-          ),
-          t.callExpression(
-            t.memberExpression(
-              t.identifier("Object"),
-              t.identifier("getPrototypeOf"),
-            ),
-            [t.cloneNode(this.classRef)],
-          ),
-        ),
-        t.thisExpression(),
-        bareSuperNode.arguments,
-      );
-    }
-
-    let call;
-
-    if (this.isLoose) {
-      call = t.logicalExpression("||", bareSuperNode, t.thisExpression());
-    } else {
-      call = t.callExpression(
-        this.file.addHelper("possibleConstructorReturn"),
-        [t.thisExpression(), bareSuperNode],
-      );
-    }
-
-    if (
-      bareSuper.parentPath.isExpressionStatement() &&
-      bareSuper.parentPath.container === body.node.body &&
-      body.node.body.length - 1 === bareSuper.parentPath.key
-    ) {
-      // this super call is the last statement in the body so we can just straight up
-      // turn it into a return
-
-      if (this.superThises.length) {
-        call = t.assignmentExpression("=", thisRef(), call);
-      }
-
-      bareSuper.parentPath.replaceWith(t.returnStatement(call));
-    } else {
-      bareSuper.replaceWith(t.assignmentExpression("=", thisRef(), call));
-    }
-  }
-
-  verifyConstructor() {
-    if (!this.isDerived) return;
-
-    const path = this.userConstructorPath;
-    const body = path.get("body");
-
-    path.traverse(findThisesVisitor, this);
-
-    let guaranteedSuperBeforeFinish = !!this.bareSupers.length;
-
-    const superRef = this.superName || t.identifier("Function");
-    let thisRef = function() {
-      const ref = path.scope.generateDeclaredUidIdentifier("this");
-      thisRef = () => t.cloneNode(ref);
-      return ref;
-    };
-
-    for (const bareSuper of this.bareSupers) {
-      this.wrapSuperCall(bareSuper, superRef, thisRef, body);
-
-      if (guaranteedSuperBeforeFinish) {
-        bareSuper.find(function(parentPath) {
-          // hit top so short circuit
-          if (parentPath === path) {
-            return true;
-          }
-
-          if (
-            parentPath.isLoop() ||
-            parentPath.isConditional() ||
-            parentPath.isArrowFunctionExpression()
-          ) {
-            guaranteedSuperBeforeFinish = false;
-            return true;
-          }
-        });
-      }
-    }
-
-    for (const thisPath of this.superThises) {
-      thisPath.replaceWith(thisRef());
-    }
-
-    let wrapReturn;
-
-    if (this.isLoose) {
-      wrapReturn = returnArg => {
-        const thisExpr = t.callExpression(
-          this.file.addHelper("assertThisInitialized"),
-          [thisRef()],
-        );
-        return returnArg
-          ? t.logicalExpression("||", returnArg, thisExpr)
-          : thisExpr;
-      };
-    } else {
-      wrapReturn = returnArg =>
-        t.callExpression(
-          this.file.addHelper("possibleConstructorReturn"),
-          [thisRef()].concat(returnArg || []),
-        );
-    }
-
-    // if we have a return as the last node in the body then we've already caught that
-    // return
-    const bodyPaths = body.get("body");
-    if (!bodyPaths.length || !bodyPaths.pop().isReturnStatement()) {
-      body.pushContainer(
-        "body",
-        t.returnStatement(
-          guaranteedSuperBeforeFinish ? thisRef() : wrapReturn(),
-        ),
-      );
-    }
-
-    for (const returnPath of this.superReturns) {
-      returnPath
-        .get("argument")
-        .replaceWith(wrapReturn(returnPath.node.argument));
-    }
-  }
-
-  /**
-   * Push a method to its respective mutatorMap.
-   */
-
-  pushMethod(node: { type: "ClassMethod" }, path?: NodePath) {
-    const scope = path ? path.scope : this.scope;
-
-    if (node.kind === "method") {
-      if (this._processMethod(node, scope)) return;
-    }
-
-    this.pushToMap(node, false, null, scope);
-  }
-
-  _processMethod() {
-    return false;
-  }
-
-  /**
-   * Replace the constructor body of our class.
-   */
-
-  pushConstructor(
-    replaceSupers,
-    method: { type: "ClassMethod" },
-    path: NodePath,
-  ) {
-    this.bareSupers = replaceSupers.bareSupers;
-    this.superReturns = replaceSupers.returns;
-
-    // https://github.com/babel/babel/issues/1077
-    if (path.scope.hasOwnBinding(this.classRef.name)) {
-      path.scope.rename(this.classRef.name);
-    }
-
-    const construct = this.constructor;
-
-    this.userConstructorPath = path;
-    this.userConstructor = method;
-    this.hasConstructor = true;
-
-    t.inheritsComments(construct, method);
-
-    construct.params = method.params;
-
-    t.inherits(construct.body, method.body);
-    construct.body.directives = method.body.directives;
-
-    // push constructor to body
-    this._pushConstructor();
-  }
-
-  _pushConstructor() {
-    if (this.pushedConstructor) return;
-    this.pushedConstructor = true;
-
-    // we haven't pushed any descriptors yet
-    if (this.hasInstanceDescriptors || this.hasStaticDescriptors) {
-      this.pushDescriptors();
-    }
-
-    this.body.push(this.constructor);
-
-    this.pushInherits();
-  }
-
-  /**
-   * Push inherits helper to body.
-   */
-
-  pushInherits() {
-    if (!this.isDerived || this.pushedInherits) return;
-
-    // Unshift to ensure that the constructor inheritance is set up before
-    // any properties can be assigned to the prototype.
-    this.pushedInherits = true;
-    this.body.unshift(
-      t.expressionStatement(
-        t.callExpression(
-          this.isLoose
-            ? this.file.addHelper("inheritsLoose")
-            : this.file.addHelper("inherits"),
-          [t.cloneNode(this.classRef), t.cloneNode(this.superName)],
-        ),
-      ),
-    );
-  }
-}

From 669f6b97b2f1385018644ac4db24c5d3422c335a Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Mon, 19 Mar 2018 14:19:42 -0500
Subject: [PATCH 134/140] Tweak es2015-related plugin order in preset-env
 (#7586)

---
 .../babel-preset-env/data/plugin-features.js  | 131 +++++---------
 packages/babel-preset-env/data/plugins.json   | 162 +++++++++---------
 .../test/debug-fixtures/android/stdout.txt    |  24 +--
 .../builtins-no-import/stdout.txt             |   6 +-
 .../debug-fixtures/builtins-uglify/stdout.txt |  24 +--
 .../test/debug-fixtures/builtins/stdout.txt   |  24 +--
 .../test/debug-fixtures/electron/stdout.txt   |  10 +-
 .../force-all-transforms/stdout.txt           |  24 +--
 .../debug-fixtures/plugins-only/stdout.txt    |   8 +-
 .../shippedProposals/stdout.txt               |  24 +--
 .../specific-targets/stdout.txt               |  24 +--
 .../test/debug-fixtures/usage-none/stdout.txt |  24 +--
 .../test/debug-fixtures/usage/stdout.txt      |  24 +--
 .../versions-decimals/stdout.txt              |  24 +--
 .../versions-strings/stdout.txt               |  24 +--
 .../sanity/block-scoping-for-of/input.js      |   5 +
 .../sanity/block-scoping-for-of/options.json  |   7 +
 .../sanity/block-scoping-for-of/output.js     |  42 +++++
 18 files changed, 312 insertions(+), 299 deletions(-)
 create mode 100644 packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js

diff --git a/packages/babel-preset-env/data/plugin-features.js b/packages/babel-preset-env/data/plugin-features.js
index 0941d138096e..63d6b823ecee 100644
--- a/packages/babel-preset-env/data/plugin-features.js
+++ b/packages/babel-preset-env/data/plugin-features.js
@@ -1,127 +1,86 @@
 const es2015 = {
+  "transform-template-literals": {
+    features: ["template literals"],
+  },
+  "transform-literals": {
+    features: ["Unicode code point escapes"],
+  },
+  "transform-function-name": {
+    features: ['function "name" property'],
+  },
   "transform-arrow-functions": {
-    features: [
-      "arrow functions",
-    ],
+    features: ["arrow functions"],
   },
   "transform-block-scoped-functions": {
-    features: [
-      "block-level function declaration"
-    ],
-  },
-  "transform-block-scoping": {
-    features: [
-      "const",
-      "let",
-    ],
+    features: ["block-level function declaration"],
   },
   "transform-classes": {
-    features: [
-      "class",
-      "super",
-    ],
+    features: ["class", "super"],
   },
-  "transform-computed-properties": {
-    features: [
-      "object literal extensions / computed properties",
-    ],
+  "transform-object-super": {
+    features: ["super"],
   },
-  "transform-destructuring": {
-    features: [
-      "destructuring, assignment",
-      "destructuring, declarations",
-      "destructuring, parameters",
-    ],
+  "transform-shorthand-properties": {
+    features: ["object literal extensions / shorthand properties"],
   },
   "transform-duplicate-keys": {
-    features: [
-      "miscellaneous / duplicate property names in strict mode",
-    ],
+    features: ["miscellaneous / duplicate property names in strict mode"],
   },
-  "transform-for-of": {
-    features: [
-      "for..of loops",
-    ],
-  },
-  "transform-function-name": {
-    features: [
-      "function \"name\" property",
-    ]
-  },
-  "transform-literals": {
-    features: [
-      "Unicode code point escapes",
-    ],
+  "transform-computed-properties": {
+    features: ["object literal extensions / computed properties"],
   },
-  "transform-object-super": {
-    features: [
-      "super",
-    ],
+  "transform-for-of": {
+    features: ["for..of loops"],
   },
-  "transform-parameters": {
+  "transform-sticky-regex": {
     features: [
-      "default function parameters",
-      "rest parameters",
+      'RegExp "y" and "u" flags / "y" flag, lastIndex',
+      'RegExp "y" and "u" flags / "y" flag',
     ],
   },
-  "transform-shorthand-properties": {
+  "transform-unicode-regex": {
     features: [
-      "object literal extensions / shorthand properties",
+      'RegExp "y" and "u" flags / "u" flag, case folding',
+      'RegExp "y" and "u" flags / "u" flag, Unicode code point escapes',
+      'RegExp "y" and "u" flags / "u" flag',
     ],
   },
   "transform-spread": {
-    features: [
-      "spread (...) operator",
-    ],
+    features: ["spread (...) operator"],
   },
-  "transform-sticky-regex": {
-    features: [
-      "RegExp \"y\" and \"u\" flags / \"y\" flag, lastIndex",
-      "RegExp \"y\" and \"u\" flags / \"y\" flag",
-    ],
+  "transform-parameters": {
+    features: ["default function parameters", "rest parameters"],
   },
-  "transform-template-literals": {
+  "transform-destructuring": {
     features: [
-      "template literals",
+      "destructuring, assignment",
+      "destructuring, declarations",
+      "destructuring, parameters",
     ],
   },
-  "transform-typeof-symbol": {
-    features: [
-      "Symbol / typeof support"
-    ],
+  "transform-block-scoping": {
+    features: ["const", "let"],
   },
-  "transform-unicode-regex": {
-    features: [
-      "RegExp \"y\" and \"u\" flags / \"u\" flag, case folding",
-      "RegExp \"y\" and \"u\" flags / \"u\" flag, Unicode code point escapes",
-      "RegExp \"y\" and \"u\" flags / \"u\" flag",
-    ],
+  "transform-typeof-symbol": {
+    features: ["Symbol / typeof support"],
   },
   "transform-new-target": {
-    features: [
-      "new.target",
-    ],
+    features: ["new.target"],
   },
   "transform-regenerator": {
-    features: [
-      "generators",
-    ],
-  }
+    features: ["generators"],
+  },
 };
 
 const es2016 = {
   "transform-exponentiation-operator": {
-    features: [
-      "exponentiation (**) operator",
-    ],
-  }
+    features: ["exponentiation (**) operator"],
+  },
 };
 
 const es2017 = {
   "transform-async-to-generator": {
-    features: [
-      "async functions",
-    ],
+    features: ["async functions"],
   },
 };
 
diff --git a/packages/babel-preset-env/data/plugins.json b/packages/babel-preset-env/data/plugins.json
index fccca0e457e7..3de7c98745ab 100644
--- a/packages/babel-preset-env/data/plugins.json
+++ b/packages/babel-preset-env/data/plugins.json
@@ -1,4 +1,33 @@
 {
+  "transform-template-literals": {
+    "chrome": "41",
+    "edge": "13",
+    "firefox": "34",
+    "safari": "9",
+    "node": "4",
+    "ios": "9",
+    "opera": "28",
+    "electron": "0.24"
+  },
+  "transform-literals": {
+    "chrome": "44",
+    "edge": "12",
+    "firefox": "53",
+    "safari": "9",
+    "node": "4",
+    "ios": "9",
+    "opera": "31",
+    "electron": "0.31"
+  },
+  "transform-function-name": {
+    "chrome": "51",
+    "firefox": "53",
+    "safari": "10",
+    "node": "6.5",
+    "ios": "10",
+    "opera": "38",
+    "electron": "1.2"
+  },
   "transform-arrow-functions": {
     "chrome": "47",
     "edge": "13",
@@ -20,17 +49,17 @@
     "opera": "28",
     "electron": "0.24"
   },
-  "transform-block-scoping": {
-    "chrome": "49",
-    "edge": "14",
-    "firefox": "51",
+  "transform-classes": {
+    "chrome": "46",
+    "edge": "13",
+    "firefox": "45",
     "safari": "10",
-    "node": "6",
+    "node": "5",
     "ios": "10",
-    "opera": "36",
-    "electron": "1"
+    "opera": "33",
+    "electron": "0.36"
   },
-  "transform-classes": {
+  "transform-object-super": {
     "chrome": "46",
     "edge": "13",
     "firefox": "45",
@@ -40,24 +69,15 @@
     "opera": "33",
     "electron": "0.36"
   },
-  "transform-computed-properties": {
-    "chrome": "44",
+  "transform-shorthand-properties": {
+    "chrome": "43",
     "edge": "12",
-    "firefox": "34",
-    "safari": "7.1",
+    "firefox": "33",
+    "safari": "9",
     "node": "4",
-    "ios": "8",
-    "opera": "31",
-    "electron": "0.31"
-  },
-  "transform-destructuring": {
-    "chrome": "51",
-    "firefox": "53",
-    "safari": "10",
-    "node": "6.5",
-    "ios": "10",
-    "opera": "38",
-    "electron": "1.2"
+    "ios": "9",
+    "opera": "30",
+    "electron": "0.29"
   },
   "transform-duplicate-keys": {
     "chrome": "42",
@@ -69,6 +89,16 @@
     "opera": "29",
     "electron": "0.27"
   },
+  "transform-computed-properties": {
+    "chrome": "44",
+    "edge": "12",
+    "firefox": "34",
+    "safari": "7.1",
+    "node": "4",
+    "ios": "8",
+    "opera": "31",
+    "electron": "0.31"
+  },
   "transform-for-of": {
     "chrome": "51",
     "edge": "15",
@@ -79,29 +109,30 @@
     "opera": "38",
     "electron": "1.2"
   },
-  "transform-function-name": {
-    "chrome": "51",
-    "firefox": "53",
+  "transform-sticky-regex": {
+    "chrome": "49",
+    "edge": "13",
+    "firefox": "3",
     "safari": "10",
-    "node": "6.5",
+    "node": "6",
     "ios": "10",
-    "opera": "38",
-    "electron": "1.2"
+    "opera": "36",
+    "electron": "1"
   },
-  "transform-literals": {
-    "chrome": "44",
-    "edge": "12",
-    "firefox": "53",
-    "safari": "9",
-    "node": "4",
-    "ios": "9",
-    "opera": "31",
-    "electron": "0.31"
+  "transform-unicode-regex": {
+    "chrome": "50",
+    "edge": "13",
+    "firefox": "46",
+    "safari": "10",
+    "node": "6",
+    "ios": "10",
+    "opera": "37",
+    "electron": "1.1"
   },
-  "transform-object-super": {
+  "transform-spread": {
     "chrome": "46",
     "edge": "13",
-    "firefox": "45",
+    "firefox": "36",
     "safari": "10",
     "node": "5",
     "ios": "10",
@@ -118,46 +149,25 @@
     "opera": "36",
     "electron": "1"
   },
-  "transform-shorthand-properties": {
-    "chrome": "43",
-    "edge": "12",
-    "firefox": "33",
-    "safari": "9",
-    "node": "4",
-    "ios": "9",
-    "opera": "30",
-    "electron": "0.29"
-  },
-  "transform-spread": {
-    "chrome": "46",
-    "edge": "13",
-    "firefox": "36",
+  "transform-destructuring": {
+    "chrome": "51",
+    "firefox": "53",
     "safari": "10",
-    "node": "5",
+    "node": "6.5",
     "ios": "10",
-    "opera": "33",
-    "electron": "0.36"
+    "opera": "38",
+    "electron": "1.2"
   },
-  "transform-sticky-regex": {
+  "transform-block-scoping": {
     "chrome": "49",
-    "edge": "13",
-    "firefox": "3",
+    "edge": "14",
+    "firefox": "51",
     "safari": "10",
     "node": "6",
     "ios": "10",
     "opera": "36",
     "electron": "1"
   },
-  "transform-template-literals": {
-    "chrome": "41",
-    "edge": "13",
-    "firefox": "34",
-    "safari": "9",
-    "node": "4",
-    "ios": "9",
-    "opera": "28",
-    "electron": "0.24"
-  },
   "transform-typeof-symbol": {
     "chrome": "38",
     "edge": "12",
@@ -168,16 +178,6 @@
     "opera": "25",
     "electron": "0.2"
   },
-  "transform-unicode-regex": {
-    "chrome": "50",
-    "edge": "13",
-    "firefox": "46",
-    "safari": "10",
-    "node": "6",
-    "ios": "10",
-    "opera": "37",
-    "electron": "1.1"
-  },
   "transform-new-target": {
     "chrome": "46",
     "edge": "14",
diff --git a/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
index 7d2e24133dea..fac12f972695 100644
--- a/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/android/stdout.txt
@@ -8,24 +8,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "android":"4" }
+  transform-literals { "android":"4" }
+  transform-function-name { "android":"4" }
   transform-arrow-functions { "android":"4" }
   transform-block-scoped-functions { "android":"4" }
-  transform-block-scoping { "android":"4" }
   transform-classes { "android":"4" }
-  transform-computed-properties { "android":"4" }
-  transform-destructuring { "android":"4" }
-  transform-duplicate-keys { "android":"4" }
-  transform-for-of { "android":"4" }
-  transform-function-name { "android":"4" }
-  transform-literals { "android":"4" }
   transform-object-super { "android":"4" }
-  transform-parameters { "android":"4" }
   transform-shorthand-properties { "android":"4" }
-  transform-spread { "android":"4" }
+  transform-duplicate-keys { "android":"4" }
+  transform-computed-properties { "android":"4" }
+  transform-for-of { "android":"4" }
   transform-sticky-regex { "android":"4" }
-  transform-template-literals { "android":"4" }
-  transform-typeof-symbol { "android":"4" }
   transform-unicode-regex { "android":"4" }
+  transform-spread { "android":"4" }
+  transform-parameters { "android":"4" }
+  transform-destructuring { "android":"4" }
+  transform-block-scoping { "android":"4" }
+  transform-typeof-symbol { "android":"4" }
   transform-new-target { "android":"4" }
   transform-regenerator { "android":"4" }
   transform-exponentiation-operator { "android":"4" }
@@ -133,4 +133,4 @@ Using polyfills with `entry` option:
   web.timers { "android":"4" }
   web.immediate { "android":"4" }
   web.dom.iterable { "android":"4" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
index d3c444f08640..cb5d1a5b0206 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins-no-import/stdout.txt
@@ -8,9 +8,9 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
-  transform-destructuring { "node":"6" }
-  transform-for-of { "node":"6" }
   transform-function-name { "node":"6" }
+  transform-for-of { "node":"6" }
+  transform-destructuring { "node":"6" }
   transform-exponentiation-operator { "node":"6" }
   transform-async-to-generator { "node":"6" }
   transform-dotall-regex { "node":"6" }
@@ -18,4 +18,4 @@ Using plugins:
 Using polyfills with `entry` option:
 
 [src/in.js] `import '@babel/polyfill'` was not found.
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
index 78d1d4feea00..0df0ace825e2 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins-uglify/stdout.txt
@@ -11,24 +11,24 @@ Using targets:
 Using modules transform: false
 
 Using plugins:
+  transform-template-literals {}
+  transform-literals {}
+  transform-function-name {}
   transform-arrow-functions {}
   transform-block-scoped-functions {}
-  transform-block-scoping {}
   transform-classes {}
-  transform-computed-properties {}
-  transform-destructuring {}
-  transform-duplicate-keys {}
-  transform-for-of {}
-  transform-function-name {}
-  transform-literals {}
   transform-object-super {}
-  transform-parameters {}
   transform-shorthand-properties {}
-  transform-spread {}
+  transform-duplicate-keys {}
+  transform-computed-properties {}
+  transform-for-of {}
   transform-sticky-regex {}
-  transform-template-literals {}
-  transform-typeof-symbol {}
   transform-unicode-regex {}
+  transform-spread {}
+  transform-parameters {}
+  transform-destructuring {}
+  transform-block-scoping {}
+  transform-typeof-symbol {}
   transform-new-target {}
   transform-regenerator {}
   transform-exponentiation-operator {}
@@ -44,4 +44,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"55" }
   web.immediate { "chrome":"55" }
   web.dom.iterable { "chrome":"55" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
index 5dc6d89ae660..18a8b3d3538b 100644
--- a/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/builtins/stdout.txt
@@ -10,24 +10,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"10" }
+  transform-literals { "ie":"10" }
+  transform-function-name { "ie":"10", "node":"6" }
   transform-arrow-functions { "ie":"10" }
   transform-block-scoped-functions { "ie":"10" }
-  transform-block-scoping { "ie":"10" }
   transform-classes { "ie":"10" }
-  transform-computed-properties { "ie":"10" }
-  transform-destructuring { "ie":"10", "node":"6" }
-  transform-duplicate-keys { "ie":"10" }
-  transform-for-of { "ie":"10", "node":"6" }
-  transform-function-name { "ie":"10", "node":"6" }
-  transform-literals { "ie":"10" }
   transform-object-super { "ie":"10" }
-  transform-parameters { "ie":"10" }
   transform-shorthand-properties { "ie":"10" }
-  transform-spread { "ie":"10" }
+  transform-duplicate-keys { "ie":"10" }
+  transform-computed-properties { "ie":"10" }
+  transform-for-of { "ie":"10", "node":"6" }
   transform-sticky-regex { "ie":"10" }
-  transform-template-literals { "ie":"10" }
-  transform-typeof-symbol { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
+  transform-spread { "ie":"10" }
+  transform-parameters { "ie":"10" }
+  transform-destructuring { "ie":"10", "node":"6" }
+  transform-block-scoping { "ie":"10" }
+  transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
   transform-exponentiation-operator { "ie":"10", "node":"6" }
@@ -135,4 +135,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "ie":"10", "node":"6" }
   web.immediate { "chrome":"54", "ie":"10", "node":"6" }
   web.dom.iterable { "chrome":"54", "ie":"10", "node":"6" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
index d670e5d54fde..62f1c7706f40 100644
--- a/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/electron/stdout.txt
@@ -15,13 +15,13 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
-  transform-block-scoping { "electron":"0.36" }
-  transform-destructuring { "electron":"0.36" }
-  transform-for-of { "electron":"0.36" }
   transform-function-name { "electron":"0.36" }
-  transform-parameters { "electron":"0.36" }
+  transform-for-of { "electron":"0.36" }
   transform-sticky-regex { "electron":"0.36" }
   transform-unicode-regex { "electron":"0.36" }
+  transform-parameters { "electron":"0.36" }
+  transform-destructuring { "electron":"0.36" }
+  transform-block-scoping { "electron":"0.36" }
   transform-regenerator { "electron":"0.36" }
   transform-exponentiation-operator { "electron":"0.36" }
   transform-async-to-generator { "electron":"0.36" }
@@ -92,4 +92,4 @@ Using polyfills with `entry` option:
   web.timers { "electron":"0.36" }
   web.immediate { "electron":"0.36" }
   web.dom.iterable { "electron":"0.36" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
index 9ca9e9357d8f..b550217b15d8 100644
--- a/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/force-all-transforms/stdout.txt
@@ -8,24 +8,24 @@ Using targets:
 Using modules transform: false
 
 Using plugins:
+  transform-template-literals {}
+  transform-literals {}
+  transform-function-name {}
   transform-arrow-functions {}
   transform-block-scoped-functions {}
-  transform-block-scoping {}
   transform-classes {}
-  transform-computed-properties {}
-  transform-destructuring {}
-  transform-duplicate-keys {}
-  transform-for-of {}
-  transform-function-name {}
-  transform-literals {}
   transform-object-super {}
-  transform-parameters {}
   transform-shorthand-properties {}
-  transform-spread {}
+  transform-duplicate-keys {}
+  transform-computed-properties {}
+  transform-for-of {}
   transform-sticky-regex {}
-  transform-template-literals {}
-  transform-typeof-symbol {}
   transform-unicode-regex {}
+  transform-spread {}
+  transform-parameters {}
+  transform-destructuring {}
+  transform-block-scoping {}
+  transform-typeof-symbol {}
   transform-new-target {}
   transform-regenerator {}
   transform-exponentiation-operator {}
@@ -41,4 +41,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"55" }
   web.immediate { "chrome":"55" }
   web.dom.iterable { "chrome":"55" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
index 7e9e7ff3e2cd..cb960b7dc80d 100644
--- a/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/plugins-only/stdout.txt
@@ -16,11 +16,11 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
-  transform-destructuring { "firefox":"52" }
-  transform-for-of { "firefox":"52" }
-  transform-function-name { "firefox":"52" }
   transform-literals { "firefox":"52" }
+  transform-function-name { "firefox":"52" }
+  transform-for-of { "firefox":"52" }
+  transform-destructuring { "firefox":"52" }
   transform-dotall-regex { "firefox":"52", "node":"7.4" }
 
 Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
index a3932e2a7ebf..5258a95170f0 100644
--- a/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/shippedProposals/stdout.txt
@@ -6,24 +6,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals {}
+  transform-literals {}
+  transform-function-name {}
   transform-arrow-functions {}
   transform-block-scoped-functions {}
-  transform-block-scoping {}
   transform-classes {}
-  transform-computed-properties {}
-  transform-destructuring {}
-  transform-duplicate-keys {}
-  transform-for-of {}
-  transform-function-name {}
-  transform-literals {}
   transform-object-super {}
-  transform-parameters {}
   transform-shorthand-properties {}
-  transform-spread {}
+  transform-duplicate-keys {}
+  transform-computed-properties {}
+  transform-for-of {}
   transform-sticky-regex {}
-  transform-template-literals {}
-  transform-typeof-symbol {}
   transform-unicode-regex {}
+  transform-spread {}
+  transform-parameters {}
+  transform-destructuring {}
+  transform-block-scoping {}
+  transform-typeof-symbol {}
   transform-new-target {}
   transform-regenerator {}
   transform-exponentiation-operator {}
@@ -154,4 +154,4 @@ Using polyfills with `entry` option:
   web.timers {}
   web.immediate {}
   web.dom.iterable {}
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
index 0e69225c3281..aa9df773d134 100644
--- a/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/specific-targets/stdout.txt
@@ -13,24 +13,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"10", "safari":"7" }
+  transform-literals { "firefox":"49", "ie":"10", "safari":"7" }
+  transform-function-name { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-arrow-functions { "ie":"10", "ios":"9", "safari":"7" }
   transform-block-scoped-functions { "ie":"10", "ios":"9", "safari":"7" }
-  transform-block-scoping { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-classes { "ie":"10", "ios":"9", "safari":"7" }
-  transform-computed-properties { "ie":"10", "safari":"7" }
-  transform-destructuring { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
-  transform-duplicate-keys { "ie":"10", "safari":"7" }
-  transform-for-of { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
-  transform-function-name { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
-  transform-literals { "firefox":"49", "ie":"10", "safari":"7" }
   transform-object-super { "ie":"10", "ios":"9", "safari":"7" }
-  transform-parameters { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-shorthand-properties { "ie":"10", "safari":"7" }
-  transform-spread { "ie":"10", "ios":"9", "safari":"7" }
+  transform-duplicate-keys { "ie":"10", "safari":"7" }
+  transform-computed-properties { "ie":"10", "safari":"7" }
+  transform-for-of { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-sticky-regex { "ie":"10", "ios":"9", "safari":"7" }
-  transform-template-literals { "ie":"10", "safari":"7" }
-  transform-typeof-symbol { "ie":"10", "safari":"7" }
   transform-unicode-regex { "ie":"10", "ios":"9", "safari":"7" }
+  transform-spread { "ie":"10", "ios":"9", "safari":"7" }
+  transform-parameters { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
+  transform-destructuring { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
+  transform-block-scoping { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
+  transform-typeof-symbol { "ie":"10", "safari":"7" }
   transform-new-target { "edge":"13", "ie":"10", "ios":"9", "safari":"7" }
   transform-regenerator { "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-exponentiation-operator { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
@@ -139,4 +139,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   web.immediate { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   web.dom.iterable { "chrome":"54", "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
index 830016841e85..ba392ff5d6de 100644
--- a/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/usage-none/stdout.txt
@@ -10,23 +10,23 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"11" }
+  transform-literals { "firefox":"50", "ie":"11" }
+  transform-function-name { "firefox":"50", "ie":"11" }
   transform-arrow-functions { "ie":"11" }
-  transform-block-scoping { "firefox":"50", "ie":"11" }
   transform-classes { "ie":"11" }
-  transform-computed-properties { "ie":"11" }
-  transform-destructuring { "firefox":"50", "ie":"11" }
-  transform-duplicate-keys { "ie":"11" }
-  transform-for-of { "firefox":"50", "ie":"11" }
-  transform-function-name { "firefox":"50", "ie":"11" }
-  transform-literals { "firefox":"50", "ie":"11" }
   transform-object-super { "ie":"11" }
-  transform-parameters { "firefox":"50", "ie":"11" }
   transform-shorthand-properties { "ie":"11" }
-  transform-spread { "ie":"11" }
+  transform-duplicate-keys { "ie":"11" }
+  transform-computed-properties { "ie":"11" }
+  transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
-  transform-template-literals { "ie":"11" }
-  transform-typeof-symbol { "ie":"11" }
   transform-unicode-regex { "ie":"11" }
+  transform-spread { "ie":"11" }
+  transform-parameters { "firefox":"50", "ie":"11" }
+  transform-destructuring { "firefox":"50", "ie":"11" }
+  transform-block-scoping { "firefox":"50", "ie":"11" }
+  transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
   transform-exponentiation-operator { "firefox":"50", "ie":"11" }
@@ -38,4 +38,4 @@ Using polyfills with `usage` option:
 [src/in.js] Based on your code and targets, none were added.
 
 [src/in2.js] Based on your code and targets, none were added.
-🎉  Successfully compiled 2 files with Babel.
+🎉  Successfully compiled 2 files with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
index 805fec388400..7e54a6027311 100644
--- a/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/usage/stdout.txt
@@ -10,23 +10,23 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"11" }
+  transform-literals { "firefox":"50", "ie":"11" }
+  transform-function-name { "firefox":"50", "ie":"11" }
   transform-arrow-functions { "ie":"11" }
-  transform-block-scoping { "firefox":"50", "ie":"11" }
   transform-classes { "ie":"11" }
-  transform-computed-properties { "ie":"11" }
-  transform-destructuring { "firefox":"50", "ie":"11" }
-  transform-duplicate-keys { "ie":"11" }
-  transform-for-of { "firefox":"50", "ie":"11" }
-  transform-function-name { "firefox":"50", "ie":"11" }
-  transform-literals { "firefox":"50", "ie":"11" }
   transform-object-super { "ie":"11" }
-  transform-parameters { "firefox":"50", "ie":"11" }
   transform-shorthand-properties { "ie":"11" }
-  transform-spread { "ie":"11" }
+  transform-duplicate-keys { "ie":"11" }
+  transform-computed-properties { "ie":"11" }
+  transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
-  transform-template-literals { "ie":"11" }
-  transform-typeof-symbol { "ie":"11" }
   transform-unicode-regex { "ie":"11" }
+  transform-spread { "ie":"11" }
+  transform-parameters { "firefox":"50", "ie":"11" }
+  transform-destructuring { "firefox":"50", "ie":"11" }
+  transform-block-scoping { "firefox":"50", "ie":"11" }
+  transform-typeof-symbol { "ie":"11" }
   transform-new-target { "ie":"11" }
   transform-regenerator { "firefox":"50", "ie":"11" }
   transform-exponentiation-operator { "firefox":"50", "ie":"11" }
@@ -42,4 +42,4 @@ Using polyfills with `usage` option:
 [src/in2.js] Added following polyfills:
   regenerator-runtime { "chrome":"52", "firefox":"50", "ie":"11" }
   web.dom.iterable { "chrome":"52", "firefox":"50", "ie":"11" }
-🎉  Successfully compiled 2 files with Babel.
+🎉  Successfully compiled 2 files with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
index 810d24c691a6..5c026fd16a14 100644
--- a/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/versions-decimals/stdout.txt
@@ -19,24 +19,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"10" }
+  transform-literals { "ie":"10" }
+  transform-function-name { "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-arrow-functions { "ie":"10" }
   transform-block-scoped-functions { "ie":"10" }
-  transform-block-scoping { "electron":"0.36", "ie":"10" }
   transform-classes { "ie":"10" }
-  transform-computed-properties { "ie":"10" }
-  transform-destructuring { "electron":"0.36", "ie":"10", "node":"6.1" }
-  transform-duplicate-keys { "ie":"10" }
-  transform-for-of { "electron":"0.36", "ie":"10", "node":"6.1" }
-  transform-function-name { "electron":"0.36", "ie":"10", "node":"6.1" }
-  transform-literals { "ie":"10" }
   transform-object-super { "ie":"10" }
-  transform-parameters { "electron":"0.36", "ie":"10" }
   transform-shorthand-properties { "ie":"10" }
-  transform-spread { "ie":"10" }
+  transform-duplicate-keys { "ie":"10" }
+  transform-computed-properties { "ie":"10" }
+  transform-for-of { "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-sticky-regex { "electron":"0.36", "ie":"10" }
-  transform-template-literals { "ie":"10" }
-  transform-typeof-symbol { "ie":"10" }
   transform-unicode-regex { "electron":"0.36", "ie":"10" }
+  transform-spread { "ie":"10" }
+  transform-parameters { "electron":"0.36", "ie":"10" }
+  transform-destructuring { "electron":"0.36", "ie":"10", "node":"6.1" }
+  transform-block-scoping { "electron":"0.36", "ie":"10" }
+  transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "electron":"0.36", "ie":"10" }
   transform-exponentiation-operator { "electron":"0.36", "ie":"10", "node":"6.1" }
@@ -161,4 +161,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   web.immediate { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
   web.dom.iterable { "chrome":"54", "electron":"0.36", "ie":"10", "node":"6.1" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt b/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
index 6985edeaa5ad..dc88ab5b9b19 100644
--- a/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
+++ b/packages/babel-preset-env/test/debug-fixtures/versions-strings/stdout.txt
@@ -10,24 +10,24 @@ Using targets:
 Using modules transform: commonjs
 
 Using plugins:
+  transform-template-literals { "ie":"10" }
+  transform-literals { "ie":"10" }
+  transform-function-name { "ie":"10" }
   transform-arrow-functions { "ie":"10" }
   transform-block-scoped-functions { "ie":"10" }
-  transform-block-scoping { "ie":"10" }
   transform-classes { "ie":"10" }
-  transform-computed-properties { "ie":"10" }
-  transform-destructuring { "ie":"10" }
-  transform-duplicate-keys { "ie":"10" }
-  transform-for-of { "ie":"10" }
-  transform-function-name { "ie":"10" }
-  transform-literals { "ie":"10" }
   transform-object-super { "ie":"10" }
-  transform-parameters { "ie":"10" }
   transform-shorthand-properties { "ie":"10" }
-  transform-spread { "ie":"10" }
+  transform-duplicate-keys { "ie":"10" }
+  transform-computed-properties { "ie":"10" }
+  transform-for-of { "ie":"10" }
   transform-sticky-regex { "ie":"10" }
-  transform-template-literals { "ie":"10" }
-  transform-typeof-symbol { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
+  transform-spread { "ie":"10" }
+  transform-parameters { "ie":"10" }
+  transform-destructuring { "ie":"10" }
+  transform-block-scoping { "ie":"10" }
+  transform-typeof-symbol { "ie":"10" }
   transform-new-target { "ie":"10" }
   transform-regenerator { "ie":"10" }
   transform-exponentiation-operator { "ie":"10", "node":"6.10" }
@@ -135,4 +135,4 @@ Using polyfills with `entry` option:
   web.timers { "chrome":"54", "ie":"10", "node":"6.10" }
   web.immediate { "chrome":"54", "ie":"10", "node":"6.10" }
   web.dom.iterable { "chrome":"54", "ie":"10", "node":"6.10" }
-🎉  Successfully compiled 1 file with Babel.
+🎉  Successfully compiled 1 file with Babel.
\ No newline at end of file
diff --git a/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/input.js b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/input.js
new file mode 100644
index 000000000000..d2dee7719a2b
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/input.js
@@ -0,0 +1,5 @@
+// https://github.com/babel/babel/issues/7557
+for (let [a] of c) {
+  a = 1;
+  () => a;
+}
diff --git a/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/options.json b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/options.json
new file mode 100644
index 000000000000..1f29c71c1635
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/options.json
@@ -0,0 +1,7 @@
+{
+  "presets": [
+    ["../../../../lib", {
+      "modules": false
+    }]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js
new file mode 100644
index 000000000000..1671a0f847c9
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js
@@ -0,0 +1,42 @@
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+// https://github.com/babel/babel/issues/7557
+var _iteratorNormalCompletion = true;
+var _didIteratorError = false;
+var _iteratorError = undefined;
+
+try {
+  var _loop = function _loop() {
+    var _step$value = _slicedToArray(_step.value, 1),
+        a = _step$value[0];
+
+    a = 1;
+
+    (function () {
+      return a;
+    });
+  };
+
+  for (var _iterator = c[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+    _loop();
+  }
+} catch (err) {
+  _didIteratorError = true;
+  _iteratorError = err;
+} finally {
+  try {
+    if (!_iteratorNormalCompletion && _iterator.return != null) {
+      _iterator.return();
+    }
+  } finally {
+    if (_didIteratorError) {
+      throw _iteratorError;
+    }
+  }
+}

From edb0a70e143c9a130ea373730345b4bae226e215 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Mon, 19 Mar 2018 18:26:46 -0700
Subject: [PATCH 135/140] Run prettier to format all JSON.

---
 lerna.json | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/lerna.json b/lerna.json
index c98859af04ec..572e60f3f005 100644
--- a/lerna.json
+++ b/lerna.json
@@ -16,19 +16,10 @@
   "cacheDir": ".changelog",
   "commands": {
     "publish": {
-      "ignore": [
-        "*.md",
-        "test/**",
-        "codemods/**"
-      ]
+      "ignore": ["*.md", "test/**", "codemods/**"]
     }
   },
-  "packages": [
-    "packages/*",
-    "codemods/*"
-  ],
+  "packages": ["packages/*", "codemods/*"],
   "npmClient": "yarn",
-  "npmClientArgs": [
-    "--no-lockfile"
-  ]
+  "npmClientArgs": ["--no-lockfile"]
 }

From 6d6fe844fdaf97503af7ad9b051a062ac51706f1 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Mon, 19 Mar 2018 21:49:17 -0700
Subject: [PATCH 136/140] Centralize Babel's own compilation config to make it
 easier to follow. (#7599)

---
 .babelrc.js           | 107 +++++++++++++++++++++++++-----------------
 .babelrc.rollup.js    |  16 -------
 Gulpfile.js           |   3 +-
 Makefile              |   6 +--
 package.json          |   1 +
 scripts/gulp-tasks.js |  23 ++++-----
 6 files changed, 78 insertions(+), 78 deletions(-)
 delete mode 100644 .babelrc.rollup.js

diff --git a/.babelrc.js b/.babelrc.js
index 0caaf19bf06e..9a6311a2c56b 100644
--- a/.babelrc.js
+++ b/.babelrc.js
@@ -1,48 +1,69 @@
 "use strict";
 
-const env = process.env.BABEL_ENV || process.env.NODE_ENV;
-const envOpts = {
-  loose: true,
-};
+module.exports = function(api) {
+  const env = api.env();
 
-switch (env) {
-  case "development":
-    envOpts.debug = true;
-  // fall-through
-  case "test":
-  case "cov":
-    envOpts.targets = {
-      node: "current",
-    };
-}
-
-const config = {
-  comments: false,
-  presets: [["@babel/env", envOpts]],
-  plugins: [
-    // TODO: Use @babel/preset-flow when
-    // https://github.com/babel/babel/issues/7233 is fixed
-    "@babel/plugin-transform-flow-strip-types",
-    ["@babel/proposal-class-properties", { loose: true }],
-    "@babel/proposal-export-namespace-from",
-    "@babel/proposal-numeric-separator",
-    ["@babel/proposal-object-rest-spread", { useBuiltIns: true }],
-  ],
-  overrides: [
-    {
-      test: "packages/babylon",
-      plugins: [
-        "babel-plugin-transform-charcodes",
-        ["@babel/transform-for-of", { assumeArray: true }],
-      ],
-    },
-  ],
-};
+  const includeCoverage = process.env.BABEL_COVERAGE === "true";
+
+  const envOpts = {
+    loose: true,
+    modules: false,
+    exclude: ["transform-typeof-symbol"],
+  };
+
+  let convertESM = true;
 
-// we need to do this as long as we do not test everything from source
-if (env === "cov") {
-  config.auxiliaryCommentBefore = "istanbul ignore next";
-  config.plugins.push("babel-plugin-istanbul");
-}
+  switch (env) {
+    // Configs used during bundling builds.
+    case "babylon":
+    case "standalone":
+      convertESM = false;
+      break;
+    case "production":
+      // Config during builds before publish.
+      break;
+    case "development":
+      envOpts.debug = true;
+      envOpts.targets = {
+        node: "current",
+      };
+      break;
+    case "test":
+      envOpts.targets = {
+        node: "current",
+      };
+      break;
+  }
 
-module.exports = config;
+  const config = {
+    comments: false,
+    presets: [["@babel/env", envOpts]],
+    plugins: [
+      // TODO: Use @babel/preset-flow when
+      // https://github.com/babel/babel/issues/7233 is fixed
+      "@babel/plugin-transform-flow-strip-types",
+      ["@babel/proposal-class-properties", { loose: true }],
+      "@babel/proposal-export-namespace-from",
+      "@babel/proposal-numeric-separator",
+      ["@babel/proposal-object-rest-spread", { useBuiltIns: true }],
+      convertESM ? "@babel/transform-modules-commonjs" : null,
+    ].filter(Boolean),
+    overrides: [
+      {
+        test: "packages/babylon",
+        plugins: [
+          "babel-plugin-transform-charcodes",
+          ["@babel/transform-for-of", { assumeArray: true }],
+        ],
+      },
+    ],
+  };
+
+  // we need to do this as long as we do not test everything from source
+  if (includeCoverage) {
+    config.auxiliaryCommentBefore = "istanbul ignore next";
+    config.plugins.push("babel-plugin-istanbul");
+  }
+
+  return config;
+};
diff --git a/.babelrc.rollup.js b/.babelrc.rollup.js
deleted file mode 100644
index e8897bf436c8..000000000000
--- a/.babelrc.rollup.js
+++ /dev/null
@@ -1,16 +0,0 @@
-"use strict";
-
-const cloneDeep = require("lodash/cloneDeep");
-const babelrc = require("./.babelrc.js");
-
-const config = cloneDeep(babelrc);
-
-const presetEnv = config.presets.find(preset => preset[0] === "@babel/env");
-
-if (!presetEnv) {
-  throw new Error("Error while extracting @preset/env from .babelrc.js");
-}
-
-presetEnv[1].modules = false;
-
-module.exports = config;
diff --git a/Gulpfile.js b/Gulpfile.js
index 5fd5071fa71b..e1cff38668ef 100644
--- a/Gulpfile.js
+++ b/Gulpfile.js
@@ -98,8 +98,9 @@ function buildRollup(packages) {
         format: "cjs",
         plugins: [
           rollupBabel({
+            envName: "babylon",
             babelrc: false,
-            extends: "./.babelrc.rollup.js",
+            extends: "./.babelrc.js",
           }),
           rollupNodeResolve(),
         ],
diff --git a/Makefile b/Makefile
index 94e80e1e2f15..75666404055f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ MAKEFLAGS = -j1
 FLOW_COMMIT = 622bbc4f07acb77eb1109830c70815f827401d90
 TEST262_COMMIT = 52f70e2f637731aae92a9c9a2d831310c3ab2e1e
 
-export NODE_ENV = test
+export BABEL_ENV = test
 
 # Fix color output until TravisCI fixes https://github.com/travis-ci/travis-ci/issues/7967
 export FORCE_COLOR = true
@@ -22,7 +22,7 @@ build: clean
 	node scripts/generators/typescript.js > ./packages/babel-types/lib/index.d.ts
 	# generate docs
 	node scripts/generators/docs.js > ./packages/babel-types/README.md
-ifneq ("$(BABEL_ENV)", "cov")
+ifneq ("$(BABEL_COVERAGE)", "true")
 	make build-standalone
 	make build-preset-env-standalone
 endif
@@ -82,7 +82,7 @@ test-ci:
 
 test-ci-coverage: SHELL:=/bin/bash
 test-ci-coverage:
-	BABEL_ENV=cov make bootstrap
+	BABEL_COVERAGE=true BABEL_ENV=test make bootstrap
 	TEST_TYPE=cov ./scripts/test-cov.sh
 	bash <(curl -s https://codecov.io/bash) -f coverage/coverage-final.json
 
diff --git a/package.json b/package.json
index 651b1b333413..deb3894cfe51 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   "devDependencies": {
     "@babel/cli": "7.0.0-beta.41",
     "@babel/core": "7.0.0-beta.41",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
     "@babel/preset-env": "7.0.0-beta.41",
     "@babel/preset-flow": "7.0.0-beta.41",
     "@babel/preset-stage-0": "7.0.0-beta.41",
diff --git a/scripts/gulp-tasks.js b/scripts/gulp-tasks.js
index 972474f43364..d49bb9a1d179 100644
--- a/scripts/gulp-tasks.js
+++ b/scripts/gulp-tasks.js
@@ -39,25 +39,18 @@ function webpackBuild(opts) {
           test: /\.js$/,
           loader: "babel-loader",
           options: {
+            // Use the bundled config so that module syntax is passed through
+            // for Webpack.
+            envName: "standalone",
+
             // Some of the node_modules may have their own "babel" section in
             // their project.json (or a ".babelrc" file). We need to ignore
             // those as we're using our own Babel options.
             babelrc: false,
-            presets: [
-              [
-                "@babel/env",
-                {
-                  loose: true,
-                  exclude: ["transform-typeof-symbol"],
-                },
-              ],
-            ],
-            overrides: [
-              {
-                exclude: /node_modules/,
-                presets: [["@babel/stage-0", { loose: true }]],
-              },
-            ],
+
+            // We explicitly load the `.babelrc.js` file since searching is
+            // turned off, but we still want to use the main config.
+            extends: "./.babelrc.js",
           },
         },
       ],

From f0d681a238d1d80fc7ca3a1bbcfd4d3d03f5c12f Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Tue, 20 Mar 2018 14:51:47 +0100
Subject: [PATCH 137/140] Remove obsolete max-len eslint rule and reformat some
 stuff to fit (#7602)

---
 packages/babel-cli/src/babel/index.js         |  2 --
 .../babel-core/src/config/files/plugins.js    |  8 +++----
 .../src/config/validation/removed.js          | 22 ++++++++++++-------
 packages/babel-core/test/resolution.js        |  6 -----
 packages/babel-helpers/src/helpers.js         |  9 ++++----
 packages/babel-node/src/_babel-node.js        |  2 --
 .../src/index.js                              |  9 ++++----
 packages/babel-preset-env/src/index.js        |  4 ++--
 packages/babylon/src/parser/comments.js       |  2 --
 packages/babylon/src/parser/expression.js     | 15 ++++++++-----
 packages/babylon/src/parser/statement.js      | 11 +++++-----
 packages/babylon/src/plugins/flow.js          | 11 +++++-----
 packages/babylon/src/tokenizer/index.js       |  2 --
 packages/babylon/src/tokenizer/state.js       | 14 ++++++++++--
 14 files changed, 62 insertions(+), 55 deletions(-)

diff --git a/packages/babel-cli/src/babel/index.js b/packages/babel-cli/src/babel/index.js
index 68a4c9b80e45..48682c11fafa 100755
--- a/packages/babel-cli/src/babel/index.js
+++ b/packages/babel-cli/src/babel/index.js
@@ -32,7 +32,6 @@ function collect(value, previousValue): Array<string> {
   return previousValue ? previousValue.concat(values) : values;
 }
 
-/* eslint-disable max-len */
 // Standard Babel input configs.
 commander.option(
   "-f, --filename [filename]",
@@ -168,7 +167,6 @@ commander.option(
   "--delete-dir-on-start",
   "Delete the out directory before compilation",
 );
-/* eslint-enable max-len */
 
 commander.version(pkg.version + " (@babel/core " + version + ")");
 commander.usage("[options] <files ...>");
diff --git a/packages/babel-core/src/config/files/plugins.js b/packages/babel-core/src/config/files/plugins.js
index 68b369225d06..044b85aa5230 100644
--- a/packages/babel-core/src/config/files/plugins.js
+++ b/packages/babel-core/src/config/files/plugins.js
@@ -105,7 +105,6 @@ function resolveStandardizedName(
       } catch (e2) {}
 
       if (resolvedOriginal) {
-        // eslint-disable-next-line max-len
         e.message += `\n- If you want to resolve "${name}", use "module:${name}"`;
       }
     }
@@ -119,7 +118,6 @@ function resolveStandardizedName(
     } catch (e2) {}
 
     if (resolvedBabel) {
-      // eslint-disable-next-line max-len
       e.message += `\n- Did you mean "@babel/${name}"?`;
     }
 
@@ -131,7 +129,6 @@ function resolveStandardizedName(
     } catch (e2) {}
 
     if (resolvedOppositeType) {
-      // eslint-disable-next-line max-len
       e.message += `\n- Did you accidentally pass a ${type} as a ${oppositeType}?`;
     }
 
@@ -143,8 +140,9 @@ const LOADING_MODULES = new Set();
 function requireModule(type: string, name: string): mixed {
   if (LOADING_MODULES.has(name)) {
     throw new Error(
-      // eslint-disable-next-line max-len
-      `Reentrant ${type} detected trying to load "${name}". This module is not ignored and is trying to load itself while compiling itself, leading to a dependency cycle. We recommend adding it to your "ignore" list in your babelrc, or to a .babelignore.`,
+      `Reentrant ${type} detected trying to load "${name}". This module is not ignored ` +
+        "and is trying to load itself while compiling itself, leading to a dependency cycle. " +
+        'We recommend adding it to your "ignore" list in your babelrc, or to a .babelignore.',
     );
   }
 
diff --git a/packages/babel-core/src/config/validation/removed.js b/packages/babel-core/src/config/validation/removed.js
index 165bc4049f50..79a321917af2 100644
--- a/packages/babel-core/src/config/validation/removed.js
+++ b/packages/babel-core/src/config/validation/removed.js
@@ -1,5 +1,4 @@
 // @flow
-/* eslint max-len: "off" */
 
 export default {
   auxiliaryComment: {
@@ -16,36 +15,42 @@ export default {
   },
   externalHelpers: {
     message:
-      "Use the `external-helpers` plugin instead. Check out http://babeljs.io/docs/plugins/external-helpers/",
+      "Use the `external-helpers` plugin instead. " +
+      "Check out http://babeljs.io/docs/plugins/external-helpers/",
   },
   extra: {
     message: "",
   },
   jsxPragma: {
     message:
-      "use the `pragma` option in the `react-jsx` plugin . Check out http://babeljs.io/docs/plugins/transform-react-jsx/",
+      "use the `pragma` option in the `react-jsx` plugin. " +
+      "Check out http://babeljs.io/docs/plugins/transform-react-jsx/",
   },
   loose: {
     message:
-      "Specify the `loose` option for the relevant plugin you are using or use a preset that sets the option.",
+      "Specify the `loose` option for the relevant plugin you are using " +
+      "or use a preset that sets the option.",
   },
   metadataUsedHelpers: {
     message: "Not required anymore as this is enabled by default",
   },
   modules: {
     message:
-      "Use the corresponding module transform plugin in the `plugins` option. Check out http://babeljs.io/docs/plugins/#modules",
+      "Use the corresponding module transform plugin in the `plugins` option. " +
+      "Check out http://babeljs.io/docs/plugins/#modules",
   },
   nonStandard: {
     message:
-      "Use the `react-jsx` and `flow-strip-types` plugins to support JSX and Flow. Also check out the react preset http://babeljs.io/docs/plugins/preset-react/",
+      "Use the `react-jsx` and `flow-strip-types` plugins to support JSX and Flow. " +
+      "Also check out the react preset http://babeljs.io/docs/plugins/preset-react/",
   },
   optional: {
     message: "Put the specific transforms you want in the `plugins` option",
   },
   sourceMapName: {
     message:
-      "The `sourceMapName` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
+      "The `sourceMapName` option has been removed because it makes more sense for the " +
+      "tooling that calls Babel to assign `map.file` themselves.",
   },
   stage: {
     message:
@@ -69,6 +74,7 @@ export default {
   sourceMapTarget: {
     version: 6,
     message:
-      "The `sourceMapTarget` option has been removed because it makes more sense for the tooling that calls Babel to assign `map.file` themselves.",
+      "The `sourceMapTarget` option has been removed because it makes more sense for the tooling " +
+      "that calls Babel to assign `map.file` themselves.",
   },
 };
diff --git a/packages/babel-core/test/resolution.js b/packages/babel-core/test/resolution.js
index 7829af16cdb5..49ea42eaeea4 100644
--- a/packages/babel-core/test/resolution.js
+++ b/packages/babel-core/test/resolution.js
@@ -243,7 +243,6 @@ describe("addon resolution", function() {
         babelrc: false,
         presets: ["foo"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-preset-foo'.*\n- If you want to resolve "foo", use "module:foo"/,
     );
@@ -258,7 +257,6 @@ describe("addon resolution", function() {
         babelrc: false,
         plugins: ["foo"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-plugin-foo'.*\n- If you want to resolve "foo", use "module:foo"/,
     );
@@ -273,7 +271,6 @@ describe("addon resolution", function() {
         babelrc: false,
         presets: ["foo"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-preset-foo'.*\n- Did you mean "@babel\/foo"\?/,
     );
@@ -288,7 +285,6 @@ describe("addon resolution", function() {
         babelrc: false,
         plugins: ["foo"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-plugin-foo'.*\n- Did you mean "@babel\/foo"\?/,
     );
@@ -303,7 +299,6 @@ describe("addon resolution", function() {
         babelrc: false,
         presets: ["testplugin"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-preset-testplugin'.*\n- Did you accidentally pass a preset as a plugin\?/,
     );
@@ -318,7 +313,6 @@ describe("addon resolution", function() {
         babelrc: false,
         plugins: ["testpreset"],
       });
-      // eslint-disable-next-line max-len
     }).toThrow(
       /Cannot find module 'babel-plugin-testpreset'.*\n- Did you accidentally pass a plugin as a preset\?/,
     );
diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index b8dfe9119a57..533744b5dd31 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -1,5 +1,3 @@
-/* eslint max-len: "off" */
-
 import template from "@babel/template";
 
 const helpers = {};
@@ -26,7 +24,9 @@ helpers.jsx = () => template.program.ast`
 
   export default function _createRawReactElement(type, props, key, children) {
     if (!REACT_ELEMENT_TYPE) {
-      REACT_ELEMENT_TYPE = (typeof Symbol === "function" && Symbol.for && Symbol.for("react.element")) || 0xeac7;
+      REACT_ELEMENT_TYPE = (
+        typeof Symbol === "function" && Symbol.for && Symbol.for("react.element")
+      ) || 0xeac7;
     }
 
     var defaultProps = type && type.defaultProps;
@@ -431,7 +431,8 @@ helpers.inherits = () => template.program.ast`
         configurable: true
       }
     });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+    if (superClass)
+      Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
   }
 `;
 
diff --git a/packages/babel-node/src/_babel-node.js b/packages/babel-node/src/_babel-node.js
index 742b83d3f401..cb5e0210f810 100644
--- a/packages/babel-node/src/_babel-node.js
+++ b/packages/babel-node/src/_babel-node.js
@@ -21,7 +21,6 @@ function collect(value, previousValue): Array<string> {
   return previousValue ? previousValue.concat(values) : values;
 }
 
-/* eslint-disable max-len */
 program.option("-e, --eval [script]", "Evaluate script");
 program.option("-p, --print [code]", "Evaluate script and print result");
 program.option(
@@ -41,7 +40,6 @@ program.option(
 );
 program.option("-w, --plugins [string]", "", collect);
 program.option("-b, --presets [string]", "", collect);
-/* eslint-enable max-len */
 
 program.version(pkg.version);
 program.usage("[options] [ -e script | script.js ] [arguments]");
diff --git a/packages/babel-plugin-transform-for-of/src/index.js b/packages/babel-plugin-transform-for-of/src/index.js
index 01fe2359819e..057a6846fbd7 100644
--- a/packages/babel-plugin-transform-for-of/src/index.js
+++ b/packages/babel-plugin-transform-for-of/src/index.js
@@ -88,14 +88,16 @@ export default declare((api, options) => {
     }
   `);
 
-  /* eslint-disable max-len */
   const buildForOf = template(`
     var ITERATOR_COMPLETION = true;
     var ITERATOR_HAD_ERROR_KEY = false;
     var ITERATOR_ERROR_KEY = undefined;
     try {
-      for (var ITERATOR_KEY = OBJECT[Symbol.iterator](), STEP_KEY; !(ITERATOR_COMPLETION = (STEP_KEY = ITERATOR_KEY.next()).done); ITERATOR_COMPLETION = true) {
-      }
+      for (
+        var ITERATOR_KEY = OBJECT[Symbol.iterator](), STEP_KEY;
+        !(ITERATOR_COMPLETION = (STEP_KEY = ITERATOR_KEY.next()).done);
+        ITERATOR_COMPLETION = true
+      ) {}
     } catch (err) {
       ITERATOR_HAD_ERROR_KEY = true;
       ITERATOR_ERROR_KEY = err;
@@ -111,7 +113,6 @@ export default declare((api, options) => {
       }
     }
   `);
-  /* eslint-enable max-len */
 
   function _ForOfStatementArray(path) {
     const { node, scope } = path;
diff --git a/packages/babel-preset-env/src/index.js b/packages/babel-preset-env/src/index.js
index 99464814af64..249c46876728 100644
--- a/packages/babel-preset-env/src/index.js
+++ b/packages/babel-preset-env/src/index.js
@@ -79,8 +79,8 @@ export const isPluginRequired = (
 
       if (!semver.valid(lowestTargetedVersion)) {
         throw new Error(
-          // eslint-disable-next-line max-len
-          `Invalid version passed for target "${environment}": "${lowestTargetedVersion}". Versions must be in semver format (major.minor.patch)`,
+          `Invalid version passed for target "${environment}": "${lowestTargetedVersion}". ` +
+            "Versions must be in semver format (major.minor.patch)",
         );
       }
 
diff --git a/packages/babylon/src/parser/comments.js b/packages/babylon/src/parser/comments.js
index ec8f22dd90e4..8b71cec739c5 100644
--- a/packages/babylon/src/parser/comments.js
+++ b/packages/babylon/src/parser/comments.js
@@ -1,5 +1,3 @@
-/* eslint max-len: 0 */
-
 // @flow
 
 /**
diff --git a/packages/babylon/src/parser/expression.js b/packages/babylon/src/parser/expression.js
index d17cdf01e450..001ea6d89781 100644
--- a/packages/babylon/src/parser/expression.js
+++ b/packages/babylon/src/parser/expression.js
@@ -1,5 +1,3 @@
-/* eslint max-len: 0 */
-
 // @flow
 
 // A recursive descent parser operates by defining functions for all
@@ -436,7 +434,10 @@ export default class ExpressionParser extends LValParser {
     return base;
   }
 
-  /** @param state Set 'state.stop = true' to indicate that we should stop parsing subscripts.  'state.optionalChainMember to indicate that the member is currently in OptionalChain'*/
+  /**
+   * @param state Set 'state.stop = true' to indicate that we should stop parsing subscripts.
+   *   state.optionalChainMember to indicate that the member is currently in OptionalChain
+   */
   parseSubscript(
     base: N.Expression,
     startPos: number,
@@ -625,7 +626,8 @@ export default class ExpressionParser extends LValParser {
         if (this.eat(close)) break;
       }
 
-      // we need to make sure that if this is an async arrow functions, that we don't allow inner parens inside the params
+      // we need to make sure that if this is an async arrow functions,
+      // that we don't allow inner parens inside the params
       if (this.match(tt.parenL) && !innerParenStart) {
         innerParenStart = this.state.start;
       }
@@ -710,7 +712,8 @@ export default class ExpressionParser extends LValParser {
         ) {
           this.raise(
             node.start,
-            "super() is only valid inside a class constructor. Make sure the method name is spelled exactly as 'constructor'.",
+            "super() is only valid inside a class constructor. " +
+              "Make sure the method name is spelled exactly as 'constructor'.",
           );
         }
         return this.finishNode(node, "Super");
@@ -913,7 +916,7 @@ export default class ExpressionParser extends LValParser {
       if (this.isContextual(propertyName)) {
         this.expectPlugin("functionSent");
       } else if (!this.hasPlugin("functionSent")) {
-        // They didn't actually say `function.sent`, just `function.`, so a simple error would be less confusing.
+        // The code wasn't `function.sent` but just `function.`, so a simple error is less confusing.
         this.unexpected();
       }
     }
diff --git a/packages/babylon/src/parser/statement.js b/packages/babylon/src/parser/statement.js
index f86f7af9b9ea..06de629e0426 100644
--- a/packages/babylon/src/parser/statement.js
+++ b/packages/babylon/src/parser/statement.js
@@ -1,5 +1,3 @@
-/* eslint max-len: 0 */
-
 // @flow
 
 import * as N from "../types";
@@ -246,7 +244,8 @@ export default class StatementParser extends ExpressionParser {
       } else {
         this.raise(
           this.state.start,
-          "Using the export keyword between a decorator and a class is not allowed. Please use `export @dec class` instead",
+          "Using the export keyword between a decorator and a class is not allowed. " +
+            "Please use `export @dec class` instead",
         );
       }
     }
@@ -775,7 +774,8 @@ export default class StatementParser extends ExpressionParser {
           kind === tt._const &&
           !(this.match(tt._in) || this.isContextual("of"))
         ) {
-          // `const` with no initializer is allowed in TypeScript. It could be a declaration `const x: number;`.
+          // `const` with no initializer is allowed in TypeScript.
+          // It could be a declaration like `const x: number;`.
           if (!this.hasPlugin("typescript")) {
             this.unexpected();
           }
@@ -1708,7 +1708,8 @@ export default class StatementParser extends ExpressionParser {
         if (this.eat(tt.colon)) {
           this.unexpected(
             null,
-            "ES2015 named imports do not destructure. Use another statement for destructuring after the import.",
+            "ES2015 named imports do not destructure. " +
+              "Use another statement for destructuring after the import.",
           );
         }
 
diff --git a/packages/babylon/src/plugins/flow.js b/packages/babylon/src/plugins/flow.js
index c94cc8ba443d..f9f4c020482f 100644
--- a/packages/babylon/src/plugins/flow.js
+++ b/packages/babylon/src/plugins/flow.js
@@ -1,5 +1,3 @@
-/* eslint max-len: 0 */
-
 // @flow
 
 import type Parser from "../parser";
@@ -261,7 +259,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       let kind = null;
       let hasModuleExport = false;
       const errorMessage =
-        "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module";
+        "Found both `declare module.exports` and `declare export` in the same module. " +
+        "Modules can only have 1 since they are either an ES module or they are a CommonJS module";
       body.forEach(bodyElement => {
         if (isEsModuleType(bodyElement)) {
           if (kind === "CommonJS") {
@@ -1902,7 +1901,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       ) {
         this.raise(
           node.typeAnnotation.start,
-          "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`",
+          "Type annotations must come before default assignments, " +
+            "e.g. instead of `age = 25: number` use `age: number = 25`",
         );
       }
 
@@ -2019,7 +2019,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       if (nodeIsTypeImport && specifierIsTypeImport) {
         this.raise(
           firstIdentLoc,
-          "The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements",
+          "The `type` and `typeof` keywords on named imports can only be used on regular " +
+            "`import` statements. It cannot be used with `import type` or `import typeof` statements",
         );
       }
 
diff --git a/packages/babylon/src/tokenizer/index.js b/packages/babylon/src/tokenizer/index.js
index 48c1efc25df2..ba34eb3f5f85 100644
--- a/packages/babylon/src/tokenizer/index.js
+++ b/packages/babylon/src/tokenizer/index.js
@@ -1,5 +1,3 @@
-/* eslint max-len: 0 */
-
 // @flow
 
 import type { Options } from "../options";
diff --git a/packages/babylon/src/tokenizer/state.js b/packages/babylon/src/tokenizer/state.js
index 99046451e816..1e6ebf470b1d 100644
--- a/packages/babylon/src/tokenizer/state.js
+++ b/packages/babylon/src/tokenizer/state.js
@@ -20,8 +20,18 @@ export default class State {
     this.noArrowAt = [];
     this.noArrowParamsConversionAt = [];
 
-    // eslint-disable-next-line max-len
-    this.inMethod = this.inFunction = this.inParameters = this.maybeInArrowParameters = this.inGenerator = this.inAsync = this.inPropertyName = this.inType = this.inClassProperty = this.noAnonFunctionType = this.hasFlowComment = this.isIterator = false;
+    this.inMethod = false;
+    this.inFunction = false;
+    this.inParameters = false;
+    this.maybeInArrowParameters = false;
+    this.inGenerator = false;
+    this.inAsync = false;
+    this.inPropertyName = false;
+    this.inType = false;
+    this.inClassProperty = false;
+    this.noAnonFunctionType = false;
+    this.hasFlowComment = false;
+    this.isIterator = false;
 
     this.classLevel = 0;
 

From 55bf55398adc6c7d86b1cbe7437577a88db1ea4d Mon Sep 17 00:00:00 2001
From: Justin Ridgewell <justin@ridgewell.name>
Date: Tue, 20 Mar 2018 23:06:09 +0000
Subject: [PATCH 138/140] Logical Assignment: ensure computed key isn't
 recomputed (#7604)

* Logical Assignment: ensure computed key isn't recomputed

* More tests
---
 .../src/index.js                              | 28 +++++++++-------
 .../general-semantics/exec.js                 | 32 +++++++++++++++++++
 .../general-semantics/input.js                | 32 +++++++++++++++++++
 .../general-semantics/output.js               | 30 ++++++++++++++++-
 4 files changed, 110 insertions(+), 12 deletions(-)

diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
index 8c3c2e15f020..2ecda96b8f69 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/src/index.js
@@ -16,27 +16,33 @@ export default declare(api => {
           return;
         }
 
-        let ref;
+        const lhs = t.cloneNode(left);
         if (t.isMemberExpression(left)) {
-          const { object } = left;
+          const { object, property, computed } = left;
           const memo = scope.maybeGenerateMemoised(object);
           if (memo) {
-            path
-              .get("left.object")
-              .replaceWith(
-                t.assignmentExpression("=", t.cloneNode(memo), object),
-              );
+            left.object = memo;
+            lhs.object = t.assignmentExpression("=", t.cloneNode(memo), object);
+          }
 
-            ref = t.cloneNode(left);
-            ref.object = t.cloneNode(memo);
+          if (computed) {
+            const memo = scope.maybeGenerateMemoised(property);
+            if (memo) {
+              left.property = memo;
+              lhs.property = t.assignmentExpression(
+                "=",
+                t.cloneNode(memo),
+                property,
+              );
+            }
           }
         }
 
         path.replaceWith(
           t.logicalExpression(
             operator.slice(0, -1),
-            left,
-            t.assignmentExpression("=", ref || t.cloneNode(left), right),
+            lhs,
+            t.assignmentExpression("=", left, right),
           ),
         );
       },
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
index 57865464cd71..0aa88724b53a 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/exec.js
@@ -38,3 +38,35 @@ assert.equal(deep.obj.x &&= 0, 0);
 assert.equal(gets, 3);
 assert.equal(deep.obj.x &&= 3, 0);
 assert.equal(gets, 4);
+
+var key = 0;
+assert.equal(obj[++key] ||= 1, 1);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[++key] ||= 2, 1);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(obj[++key] &&= 0, 0);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[++key] &&= 3, 0);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(deep.obj[++key] ||= 1, 1);
+assert.equal(gets, 5);
+assert.equal(key, 1);
+key = 0;
+assert.equal(deep.obj[++key] ||= 2, 1);
+assert.equal(gets, 6);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(deep.obj[++key] &&= 0, 0);
+assert.equal(gets, 7);
+assert.equal(key, 1);
+key = 0;
+assert.equal(deep.obj[++key] &&= 3, 0);
+assert.equal(gets, 8);
+assert.equal(key, 1);
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
index 57865464cd71..0aa88724b53a 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/input.js
@@ -38,3 +38,35 @@ assert.equal(deep.obj.x &&= 0, 0);
 assert.equal(gets, 3);
 assert.equal(deep.obj.x &&= 3, 0);
 assert.equal(gets, 4);
+
+var key = 0;
+assert.equal(obj[++key] ||= 1, 1);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[++key] ||= 2, 1);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(obj[++key] &&= 0, 0);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[++key] &&= 3, 0);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(deep.obj[++key] ||= 1, 1);
+assert.equal(gets, 5);
+assert.equal(key, 1);
+key = 0;
+assert.equal(deep.obj[++key] ||= 2, 1);
+assert.equal(gets, 6);
+assert.equal(key, 1);
+
+key = 0;
+assert.equal(deep.obj[++key] &&= 0, 0);
+assert.equal(gets, 7);
+assert.equal(key, 1);
+key = 0;
+assert.equal(deep.obj[++key] &&= 3, 0);
+assert.equal(gets, 8);
+assert.equal(key, 1);
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
index fb5c9b38b482..520be3c258c5 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/test/fixtures/logical-assignment/general-semantics/output.js
@@ -1,4 +1,4 @@
-var _deep$obj, _deep$obj2, _deep$obj3, _deep$obj4;
+var _deep$obj, _deep$obj2, _deep$obj3, _deep$obj4, _ref, _ref2, _ref3, _ref4, _deep$obj5, _ref5, _deep$obj6, _ref6, _deep$obj7, _ref7, _deep$obj8, _ref8;
 
 var x = 0;
 var sets = 0;
@@ -37,3 +37,31 @@ assert.equal((_deep$obj3 = deep.obj).x && (_deep$obj3.x = 0), 0);
 assert.equal(gets, 3);
 assert.equal((_deep$obj4 = deep.obj).x && (_deep$obj4.x = 3), 0);
 assert.equal(gets, 4);
+var key = 0;
+assert.equal(obj[_ref = ++key] || (obj[_ref] = 1), 1);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[_ref2 = ++key] || (obj[_ref2] = 2), 1);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[_ref3 = ++key] && (obj[_ref3] = 0), 0);
+assert.equal(key, 1);
+key = 0;
+assert.equal(obj[_ref4 = ++key] && (obj[_ref4] = 3), 0);
+assert.equal(key, 1);
+key = 0;
+assert.equal((_deep$obj5 = deep.obj)[_ref5 = ++key] || (_deep$obj5[_ref5] = 1), 1);
+assert.equal(gets, 5);
+assert.equal(key, 1);
+key = 0;
+assert.equal((_deep$obj6 = deep.obj)[_ref6 = ++key] || (_deep$obj6[_ref6] = 2), 1);
+assert.equal(gets, 6);
+assert.equal(key, 1);
+key = 0;
+assert.equal((_deep$obj7 = deep.obj)[_ref7 = ++key] && (_deep$obj7[_ref7] = 0), 0);
+assert.equal(gets, 7);
+assert.equal(key, 1);
+key = 0;
+assert.equal((_deep$obj8 = deep.obj)[_ref8 = ++key] && (_deep$obj8[_ref8] = 3), 0);
+assert.equal(gets, 8);
+assert.equal(key, 1);

From 81c1b49f6a178d7a65114f0b9d06d1cf94e96644 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Pierzcha=C5=82a?= <thymikee@gmail.com>
Date: Wed, 21 Mar 2018 00:42:11 +0100
Subject: [PATCH 139/140] Disable flow on transformClass, fix preset-env errors
 (#7605)

---
 .../src/transformClass.js                              |  1 -
 packages/babel-preset-env/src/normalize-options.js     | 10 ++++------
 packages/babel-preset-env/src/types.js                 |  4 ++--
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/packages/babel-plugin-transform-classes/src/transformClass.js b/packages/babel-plugin-transform-classes/src/transformClass.js
index 364e51a053ba..6fd1daa92474 100644
--- a/packages/babel-plugin-transform-classes/src/transformClass.js
+++ b/packages/babel-plugin-transform-classes/src/transformClass.js
@@ -1,4 +1,3 @@
-// @flow
 import type { NodePath } from "@babel/traverse";
 import nameFunction from "@babel/helper-function-name";
 import ReplaceSupers from "@babel/helper-replace-supers";
diff --git a/packages/babel-preset-env/src/normalize-options.js b/packages/babel-preset-env/src/normalize-options.js
index 13b39a1662f8..8f4d3c2b2f51 100644
--- a/packages/babel-preset-env/src/normalize-options.js
+++ b/packages/babel-preset-env/src/normalize-options.js
@@ -15,7 +15,7 @@ const validIncludesAndExcludes = new Set([
   ...defaultWebIncludes,
 ]);
 
-const pluginToRegExp = (plugin: any): RegExp => {
+const pluginToRegExp = (plugin: any): ?RegExp => {
   if (plugin instanceof RegExp) return plugin;
   try {
     return new RegExp(`^${normalizePluginName(plugin)}$`);
@@ -24,7 +24,7 @@ const pluginToRegExp = (plugin: any): RegExp => {
   }
 };
 
-const selectPlugins = (regexp: RegExp): Array<string> =>
+const selectPlugins = (regexp: ?RegExp): Array<string> =>
   Array.from(validIncludesAndExcludes).filter(
     item => regexp instanceof RegExp && regexp.test(item),
   );
@@ -35,7 +35,7 @@ const expandIncludesAndExcludes = (
   plugins: Array<string | RegExp> = [],
   type: string,
 ): Array<string> => {
-  if (plugins.length === 0) return plugins;
+  if (plugins.length === 0) return [];
 
   const selectedPlugins = plugins.map(plugin =>
     selectPlugins(pluginToRegExp(plugin)),
@@ -67,9 +67,7 @@ export const checkDuplicateIncludeExcludes = (
   include: Array<string> = [],
   exclude: Array<string> = [],
 ): void => {
-  const duplicates: Array<string> = include.filter(
-    opt => exclude.indexOf(opt) >= 0,
-  );
+  const duplicates = include.filter(opt => exclude.indexOf(opt) >= 0);
 
   invariant(
     duplicates.length === 0,
diff --git a/packages/babel-preset-env/src/types.js b/packages/babel-preset-env/src/types.js
index 2c3ab4c8ce60..fd33e277faed 100644
--- a/packages/babel-preset-env/src/types.js
+++ b/packages/babel-preset-env/src/types.js
@@ -14,10 +14,10 @@ export type BuiltInsOption = false | "entry" | "usage";
 export type Options = {
   configPath: string,
   debug: boolean,
-  exclude: Array<string>,
+  exclude: Array<string | RegExp>,
   forceAllTransforms: boolean,
   ignoreBrowserslistConfig: boolean,
-  include: Array<string>,
+  include: Array<string | RegExp>,
   loose: boolean,
   modules: ModuleOption,
   shippedProposals: boolean,

From e80488f1d5a5b3bc7b8066c1fc501d4ba5f66806 Mon Sep 17 00:00:00 2001
From: Brian Ng <bng412@gmail.com>
Date: Wed, 21 Mar 2018 10:39:46 -0500
Subject: [PATCH 140/140] Update to beta.42 (#7609)

---
 package.json | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/package.json b/package.json
index deb3894cfe51..417a3c736710 100644
--- a/package.json
+++ b/package.json
@@ -10,19 +10,19 @@
     "test": "make test"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.41",
-    "@babel/core": "7.0.0-beta.41",
-    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.41",
-    "@babel/preset-env": "7.0.0-beta.41",
-    "@babel/preset-flow": "7.0.0-beta.41",
-    "@babel/preset-stage-0": "7.0.0-beta.41",
-    "@babel/register": "7.0.0-beta.41",
+    "@babel/cli": "7.0.0-beta.42",
+    "@babel/core": "7.0.0-beta.42",
+    "@babel/plugin-transform-modules-commonjs": "7.0.0-beta.42",
+    "@babel/preset-env": "7.0.0-beta.42",
+    "@babel/preset-flow": "7.0.0-beta.42",
+    "@babel/preset-stage-0": "7.0.0-beta.42",
+    "@babel/register": "7.0.0-beta.42",
     "babel-core": "^7.0.0-0",
     "babel-eslint": "^8.0.1",
     "babel-jest": "^22.4.1",
     "babel-loader": "8.0.0-beta.0",
     "babel-plugin-transform-charcodes": "^0.1.0",
-    "babylon": "7.0.0-beta.41",
+    "babylon": "7.0.0-beta.42",
     "browserify": "^13.1.1",
     "bundle-collapser": "^1.2.1",
     "chai": "^4.1.0",