jestjs · SimenB · Dec 23, 2018 · Dec 23, 2018 · Dec 23, 2018
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -123,6 +123,7 @@ module.exports = {
           '^types/(.*)': './types/$1',
         },
       },
+      'eslint-import-resolver-typescript': true,
     },
   },
 };
diff --git a/babel.config.js b/babel.config.js
@@ -2,6 +2,16 @@
 
 module.exports = {
   babelrcRoots: ['examples/*'],
+  overrides: [
+    {
+      presets: ['@babel/preset-flow'],
+      test: '**/*.js',
+    },
+    {
+      presets: ['@babel/preset-typescript'],
+      test: '**/*.ts',
+    },
+  ],
   plugins: [
     ['@babel/plugin-transform-modules-commonjs', {allowTopLevelThis: true}],
     '@babel/plugin-transform-strict-mode',
@@ -14,6 +24,5 @@ module.exports = {
         targets: {node: 6},
       },
     ],
-    '@babel/preset-flow',
   ],
 };
diff --git a/jest.config.js b/jest.config.js
@@ -55,6 +55,6 @@ module.exports = {
     '/e2e/__tests__/iterator-to-null-test.js',
   ],
   transform: {
-    '^.+\\.js$': '<rootDir>/packages/babel-jest',
+    '^.+\\.[jt]s$': '<rootDir>/packages/babel-jest',
   },
 };
diff --git a/package.json b/package.json
@@ -1,13 +1,17 @@
 {
   "private": true,
   "devDependencies": {
-    "@babel/core": "^7.1.0",
+    "@babel/core": "^7.2.2",
     "@babel/plugin-external-helpers": "^7.0.0",
     "@babel/plugin-transform-strict-mode": "^7.0.0",
     "@babel/preset-env": "^7.1.0",
     "@babel/preset-flow": "^7.0.0",
     "@babel/preset-react": "^7.0.0",
+    "@babel/preset-typescript": "^7.0.0",
     "@babel/register": "^7.0.0",
+    "@types/babel__core": "^7.0.0",
+    "@types/babel__generator": "^7.0.0",
+    "@types/babel__template": "^7.0.0",
     "ansi-regex": "^4.0.0",
     "ansi-styles": "^3.2.0",
     "babel-eslint": "^9.0.0",
@@ -17,6 +21,7 @@
     "debug": "^4.0.1",
     "eslint": "^5.6.0",
     "eslint-config-prettier": "^3.1.0",
+    "eslint-import-resolver-typescript": "^1.1.1",
     "eslint-plugin-babel": "^5.1.0",
     "eslint-plugin-flowtype": "^2.35.0",
     "eslint-plugin-import": "^2.6.0",
@@ -56,17 +61,16 @@
     "resolve": "^1.4.0",
     "rimraf": "^2.6.2",
     "rollup": "^0.66.1",
-    "rollup-plugin-babel": "^4.0.0",
+    "rollup-plugin-babel": "^4.1.0",
     "rollup-plugin-commonjs": "^9.1.8",
-    "rollup-plugin-flow": "^1.1.1",
     "rollup-plugin-json": "^3.1.0",
     "rollup-plugin-node-builtins": "^2.1.1",
     "rollup-plugin-node-globals": "^1.4.0",
     "rollup-plugin-node-resolve": "^3.4.0",
     "slash": "^2.0.0",
     "string-length": "^2.0.0",
     "strip-ansi": "^5.0.0",
-    "typescript": "^3.0.3",
+    "typescript": "^3.2.2",
     "watchify": "^3.9.0"
   },
   "scripts": {

diff --git a/packages/babel-jest/package.json b/packages/babel-jest/package.json
@@ -13,7 +13,8 @@
     "babel-preset-jest": "^23.2.0"
   },
   "devDependencies": {
-    "@babel/core": "^7.1.0"
+    "@babel/core": "^7.1.0",
+    "@types/babel__core": "^7.0.4"
   },
   "peerDependencies": {
     "@babel/core": "^7.0.0"

diff --git a/packages/expect/package.json b/packages/expect/package.json
@@ -16,6 +16,9 @@
     "jest-message-util": "^23.4.0",
     "jest-regex-util": "^23.3.0"
   },
+  "devDependencies": {
+    "@types/ansi-styles": "^3.2.1"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-changed-files/package.json b/packages/jest-changed-files/package.json
@@ -11,6 +11,9 @@
     "execa": "^1.0.0",
     "throat": "^4.0.0"
   },
+  "devDependencies": {
+    "@types/execa": "^0.9.0"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-circus/package.json b/packages/jest-circus/package.json
@@ -23,6 +23,8 @@
     "stack-utils": "^1.0.1"
   },
   "devDependencies": {
+    "@types/babel__traverse": "^7.0.4",
+    "@types/stack-utils": "^1.0.1",
     "execa": "^1.0.0",
     "jest-runtime": "^23.6.0"
   },

diff --git a/packages/jest-cli/package.json b/packages/jest-cli/package.json
@@ -41,6 +41,23 @@
     "which": "^1.2.12",
     "yargs": "^12.0.2"
   },
+  "devDependencies": {
+    "@types/ansi-escapes": "^3.0.0",
+    "@types/exit": "^0.1.30",
+    "@types/glob": "^7.1.1",
+    "@types/graceful-fs": "^4.1.2",
+    "@types/is-ci": "^1.1.0",
+    "@types/istanbul-lib-coverage": "^1.1.0",
+    "@types/istanbul-lib-instrument": "^1.7.2",
+    "@types/istanbul-lib-source-maps": "^1.2.1",
+    "@types/micromatch": "^2.3.30",
+    "@types/node-notifier": "^0.0.28",
+    "@types/prompts": "^1.2.0",
+    "@types/rimraf": "^2.0.2",
+    "@types/string-length": "^2.0.0",
+    "@types/which": "^1.3.1",
+    "@types/yargs": "^12.0.2"
+  },
   "bin": {
     "jest": "./bin/jest.js"
   },

diff --git a/packages/jest-config/package.json b/packages/jest-config/package.json
@@ -23,6 +23,11 @@
     "micromatch": "^2.3.11",
     "pretty-format": "^23.6.0"
   },
+  "devDependencies":  {
+    "@types/babel__core": "^7.0.4",
+    "@types/glob": "^7.1.1",
+    "@types/micromatch": "^2.3.30"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-diff/package.json b/packages/jest-diff/package.json
@@ -13,6 +13,9 @@
     "jest-get-type": "^22.1.0",
     "pretty-format": "^23.6.0"
   },
+  "devDependencies": {
+    "@types/diff": "^3.5.2"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-docblock/package.json b/packages/jest-docblock/package.json
@@ -10,6 +10,9 @@
   "dependencies": {
     "detect-newline": "^2.1.0"
   },
+  "devDependencies":  {
+    "@types/detect-newline": "^2.1.0"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-environment-jsdom/package.json b/packages/jest-environment-jsdom/package.json
@@ -12,6 +12,9 @@
     "jest-util": "^23.4.0",
     "jsdom": "^11.5.1"
   },
+  "devDependencies":  {
+    "@types/jsdom": "^11.12.0"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-haste-map/package.json b/packages/jest-haste-map/package.json
@@ -16,6 +16,13 @@
     "micromatch": "^2.3.11",
     "sane": "^3.0.0"
   },
+  "devDependencies":  {
+    "@types/fb-watchman": "^2.0.0",
+    "@types/graceful-fs": "^4.1.2",
+    "@types/invariant": "^2.2.29",
+    "@types/micromatch": "^2.3.30",
+    "@types/sane": "^2.0.0"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-jasmine2/package.json b/packages/jest-jasmine2/package.json
@@ -22,6 +22,7 @@
     "pretty-format": "^23.6.0"
   },
   "devDependencies": {
+    "@types/babel__traverse": "^7.0.4",
     "jest-runtime": "^23.6.0"
   },
   "engines": {

diff --git a/packages/jest-leak-detector/package.json b/packages/jest-leak-detector/package.json
@@ -11,6 +11,7 @@
     "pretty-format": "^23.6.0"
   },
   "devDependencies": {
+    "@types/weak": "^1.0.0",
     "weak": "^1.0.1"
   },
   "engines": {

diff --git a/packages/jest-message-util/package.json b/packages/jest-message-util/package.json
@@ -16,5 +16,10 @@
     "micromatch": "^2.3.11",
     "slash": "^2.0.0",
     "stack-utils": "^1.0.1"
+  },
+  "devDependencies":  {
+    "@types/babel__code-frame": "^7.0.0",
+    "@types/micromatch": "^2.3.30",
+    "@types/stack-utils": "^1.0.1"
   }
 }
diff --git a/packages/jest-repl/package.json b/packages/jest-repl/package.json
@@ -15,6 +15,9 @@
     "repl": "^0.1.3",
     "yargs": "^12.0.2"
   },
+  "devDependencies":  {
+    "@types/yargs": "^12.0.2"
+  },
   "bin": {
     "jest-repl": "./bin/jest-repl.js"
   },

diff --git a/packages/jest-resolve/package.json b/packages/jest-resolve/package.json
@@ -14,6 +14,7 @@
     "realpath-native": "^1.0.0"
   },
   "devDependencies": {
+    "@types/browser-resolve": "^0.0.5",
     "jest-haste-map": "^23.6.0"
   },
   "engines": {

diff --git a/packages/jest-runner/package.json b/packages/jest-runner/package.json
@@ -22,6 +22,11 @@
     "source-map-support": "^0.5.6",
     "throat": "^4.0.0"
   },
+  "devDependencies":  {
+    "@types/exit": "^0.1.30",
+    "@types/graceful-fs": "^4.1.2",
+    "@types/source-map-support": "^0.4.1"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-runtime/package.json b/packages/jest-runtime/package.json
@@ -32,6 +32,15 @@
     "yargs": "^12.0.2"
   },
   "devDependencies": {
+    "@types/babel__core": "^7.0.4",
+    "@types/convert-source-map": "^1.5.1",
+    "@types/exit": "^0.1.30",
+    "@types/glob": "^7.1.1",
+    "@types/graceful-fs": "^4.1.2",
+    "@types/micromatch": "^2.3.30",
+    "@types/strip-bom": "3.0.0",
+    "@types/write-file-atomic": "^2.1.1",
+    "@types/yargs": "^12.0.2",
     "jest-environment-jsdom": "^23.4.0",
     "jest-environment-node": "^23.4.0"
   },

diff --git a/packages/jest-snapshot/package.json b/packages/jest-snapshot/package.json
@@ -20,6 +20,8 @@
     "semver": "^5.5.0"
   },
   "devDependencies": {
+    "@types/mkdirp": "^0.5.2",
+    "@types/semver": "^5.5.0",
     "prettier": "^1.13.4"
   },
   "engines": {

diff --git a/packages/jest-util/package.json b/packages/jest-util/package.json
@@ -18,6 +18,10 @@
     "source-map": "^0.6.0"
   },
   "devDependencies": {
+    "@types/callsites": "^2.0.0",
+    "@types/graceful-fs": "^4.1.2",
+    "@types/is-ci": "^1.0.10",
+    "@types/mkdirp": "^0.5.2",
     "jest-mock": "^23.2.0"
   },
   "engines": {

diff --git a/packages/jest-validate/package.json b/packages/jest-validate/package.json
@@ -14,6 +14,10 @@
     "leven": "^2.1.0",
     "pretty-format": "^23.6.0"
   },
+  "devDependencies":  {
+    "@types/camelcase": "^4.1.0",
+    "@types/leven": "^2.1.1"
+  },
   "engines": {
     "node": ">= 6"
   }

diff --git a/packages/jest-watcher/package.json b/packages/jest-watcher/package.json
@@ -9,6 +9,10 @@
     "jest-util": "^23.4.0",
     "string-length": "^2.0.0"
   },
+  "devDependencies":  {
+    "@types/ansi-escapes": "^3.0.0",
+    "@types/string-length": "^2.0.0"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/facebook/jest"

diff --git a/packages/jest-worker/package.json b/packages/jest-worker/package.json
@@ -12,6 +12,8 @@
     "supports-color": "^5.5.0"
   },
   "devDependencies":  {
+    "@types/merge-stream": "^1.1.2",
+    "@types/supports-color": "^5.3.0",
     "worker-farm": "^1.6.0"
   },
   "engines": {

diff --git a/packages/pretty-format/package.json b/packages/pretty-format/package.json
@@ -15,6 +15,8 @@
     "ansi-styles": "^3.2.0"
   },
   "devDependencies": {
+    "@types/ansi-regex": "^4.0.0",
+    "@types/ansi-styles": "^3.2.1",
     "immutable": "4.0.0-rc.9",
     "react": "*",
     "react-dom": "*",

diff --git a/packages/pretty-format/src/collections.js → packages/pretty-format/src/collections.ts b/packages/pretty-format/src/collections.js → packages/pretty-format/src/collections.ts
@@ -4,17 +4,16 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
  */
 
-import type {Config, Printer, Refs} from 'types/PrettyFormat';
+import {Config, Printer, Refs} from './';
 
 const getKeysOfEnumerableProperties = (object: Object) => {
-  const keys = Object.keys(object).sort();
+  const keys: Array<string | symbol> = Object.keys(object).sort();
 
   if (Object.getOwnPropertySymbols) {
     Object.getOwnPropertySymbols(object).forEach(symbol => {
-      //$FlowFixMe because property enumerable is missing in undefined
+      // @ts-ignore: because property enumerable is missing in undefined
       if (Object.getOwnPropertyDescriptor(object, symbol).enumerable) {
         keys.push(symbol);
       }
@@ -180,7 +179,13 @@ export function printObjectProperties(
     for (let i = 0; i < keys.length; i++) {
       const key = keys[i];
       const name = printer(key, config, indentationNext, depth, refs);
-      const value = printer(val[key], config, indentationNext, depth, refs);
+      const value = printer(
+        (val as any)[key],
+        config,
+        indentationNext,
+        depth,
+        refs,
+      );
 
       result += indentationNext + name + ': ' + value;