feat: add latested proposal plugins

1. class-properties\n2. partial-applicatio\n3. private-methods

.eslintignore

@@ -1,3 +1,5 @@
 coverage
 node_modules
 /index.js
+# Babel parse issue, ignore temporarily
+test/private-methods.ts

.eslintrc.js

@@ -10,7 +10,9 @@ module.exports = {
     },
   },
   settings: {
+    'import/ignore': [/test\/private-methods.ts$/],
     'import/parsers': {
+      '@typescript-eslint/parser': [],
       'babel-eslint': ['.ts'],
     },
     'import/resolver': {
@@ -22,6 +24,12 @@ module.exports = {
       files: '*.{js,ts}',
       ...js,
     },
+    {
+      files: '*.ts',
+      rules: {
+        'import/namespace': 0,
+      },
+    },
     jest,
   ],
 }

.prettierignore

@@ -1,3 +1,5 @@
 coverage
 node_modules
 CHANGELOG.md
+# Not supported by Prettier yet
+test/partial-application.ts

.prettierrc.js

@@ -1,10 +1,14 @@
 const config = require('@1stg/prettier-config')
 
-module.exports = Object.assign({}, config, {
-  overrides: config.overrides.concat({
-    files: '*.ts',
-    options: {
-      parser: 'babel',
+module.exports = {
+  ...config,
+  overrides: [
+    ...config.overrides,
+    {
+      files: '*.ts',
+      options: {
+        parser: 'babel',
+      },
     },
-  }),
-})
+  ],
+}

README.md

@@ -12,21 +12,27 @@ So that you can use babel to transform proposals which are current in stage 0-2
 
 ## Enabled proposal plugins
 
-1. [do-expressions](https://www.npmjs.com/package/@babel/plugin-proposal-do-expressions)
-2. [function-bind](https://www.npmjs.com/package/@babel/plugin-proposal-function-bind)
-3. [function-sent](https://www.npmjs.com/package/@babel/plugin-proposal-function-sent)
-4. [json-strings](https://www.npmjs.com/package/@babel/plugin-proposal-json-strings)
-5. [logical-assignment-operators](https://www.npmjs.com/package/@babel/plugin-proposal-logical-assignment-operators)
-6. [nullish-coalescing-operator](https://www.npmjs.com/package/@babel/plugin-proposal-nullish-coalescing-operator)
-7. [optional-chaining](https://www.npmjs.com/package/@babel/plugin-proposal-optional-chaining)
-8. [pipeline-operator](https://www.npmjs.com/package/@babel/plugin-proposal-pipeline-operator)
-9. [throw-expressions](https://www.npmjs.com/package/@babel/plugin-proposal-throw-expressions)
+1. [class-properties](https://www.npmjs.com/package/@babel/plugin-proposal-class-properties)
+2. [do-expressions](https://www.npmjs.com/package/@babel/plugin-proposal-do-expressions)
+3. [function-bind](https://www.npmjs.com/package/@babel/plugin-proposal-function-bind)
+4. [function-sent](https://www.npmjs.com/package/@babel/plugin-proposal-function-sent)
+5. [json-strings](https://www.npmjs.com/package/@babel/plugin-proposal-json-strings)
+6. [logical-assignment-operators](https://www.npmjs.com/package/@babel/plugin-proposal-logical-assignment-operators)
+7. [nullish-coalescing-operator](https://www.npmjs.com/package/@babel/plugin-proposal-nullish-coalescing-operator)
+8. [optional-chaining](https://www.npmjs.com/package/@babel/plugin-proposal-optional-chaining)
+9. [partial-application](https://www.npmjs.com/package/@babel/plugin-proposal-partial-application)
+10. [pipeline-operator](https://www.npmjs.com/package/@babel/plugin-proposal-pipeline-operator)
+11. [private-methods](https://www.npmjs.com/package/@babel/plugin-proposal-private-methods)
+12. [throw-expressions](https://www.npmjs.com/package/@babel/plugin-proposal-throw-expressions)
 
 ## Install
 
 ```sh
-npm install --save-dev babel-preset-proposal-typescript # npm
-yarn add -D babel-preset-proposal-typescript # yarn
+# yarn
+yarn add -D babel-preset-proposal-typescript
+
+# npm
+npm i -D babel-preset-proposal-typescript
 ```
 
 ## Usage

esm.js

@@ -1,14 +1,17 @@
 import syntaxDecorators from '@babel/plugin-syntax-decorators'
 import syntaxDynamicImport from '@babel/plugin-syntax-dynamic-import'
 import syntaxTypeScript from '@babel/plugin-syntax-typescript'
+import proposalClassProperties from '@babel/plugin-proposal-class-properties'
 import proposalDoExpressions from '@babel/plugin-proposal-do-expressions'
 import proposalFunctionBind from '@babel/plugin-proposal-function-bind'
 import proposalFunctionSent from '@babel/plugin-proposal-function-sent'
 import proposalJsonStrings from '@babel/plugin-proposal-json-strings'
 import proposalLogicalAssignmentOperators from '@babel/plugin-proposal-logical-assignment-operators'
 import proposalNullishCoalescingOperator from '@babel/plugin-proposal-nullish-coalescing-operator'
 import proposalOptionalChaining from '@babel/plugin-proposal-optional-chaining'
+import proposalPartialApplication from '@babel/plugin-proposal-partial-application'
 import proposalPipelineOperator from '@babel/plugin-proposal-pipeline-operator'
+import proposalPrivateMethods from '@babel/plugin-proposal-private-methods'
 import proposalThrowExpression from '@babel/plugin-proposal-throw-expressions'
 
 export default () => ({
@@ -21,19 +24,22 @@ export default () => ({
     ],
     syntaxDynamicImport,
     syntaxTypeScript,
+    proposalClassProperties,
     proposalDoExpressions,
     proposalFunctionBind,
     proposalFunctionSent,
     proposalJsonStrings,
     proposalLogicalAssignmentOperators,
     proposalNullishCoalescingOperator,
     proposalOptionalChaining,
+    proposalPartialApplication,
     [
       proposalPipelineOperator,
       {
         proposal: 'minimal',
       },
     ],
+    proposalPrivateMethods,
     proposalThrowExpression,
   ],
 })

package.json

@@ -1,13 +1,13 @@
 {
   "name": "babel-preset-proposal-typescript",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Yet another Babel preset for TypeScript, only transforms proposals which TypeScript does not support now.",
   "module": "esm.js",
   "repository": "git@github.com/JounQin/babel-preset-proposal-typescript.git",
   "author": "JounQin <admin@1stg.me>",
   "license": "MIT",
   "scripts": {
-    "build": "babel --no-babelrc --presets @babel/env esm.js > index.js",
+    "build": "babel --presets @babel/env esm.js > index.js",
     "lint": "EFF_NO_LINK_RULES=true eslint . --ext .js,.ts -f friendly",
     "pretest": "yarn build",
     "test": "jest",
@@ -50,9 +50,11 @@
     "@1stg/husky-config": "^0.1.0",
     "@1stg/lint-staged": "^0.1.0",
     "@1stg/prettier-config": "^0.1.0",
-    "@1stg/tsconfig": "^0.1.0",
     "@babel/cli": "^7.5.5",
     "@babel/core": "^7.5.5",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/plugin-proposal-partial-application": "^7.4.4",
+    "@babel/plugin-proposal-private-methods": "^7.4.4",
     "@babel/preset-env": "^7.5.5",
     "@commitlint/config-conventional": "^8.1.0",
     "@types/babel__core": "^7.1.2",

test/__snapshots__/class-properties.spec.ts.snap

@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`class-properties 1`] = `"Unexpected token ;"`;

test/__snapshots__/partial-application.spec.ts.snap

@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`partial-application 1`] = `"addOne is not a function"`;

test/__snapshots__/private-methods.spec.ts.snap

@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`private-methods 1`] = `"Unexpected token ;"`;

test/class-properties.spec.ts

@@ -0,0 +1,11 @@
+import { Counter } from './class-properties'
+import { execute } from './helpers'
+
+const proposal = 'class-properties'
+
+test(proposal, () => {
+  expect(() => execute(proposal)).toThrowErrorMatchingSnapshot()
+  const counter = new Counter()
+  expect(counter.getCount()).toEqual(0)
+  expect(counter.increment().getCount()).toEqual(1)
+})

test/class-properties.ts

@@ -0,0 +1,12 @@
+export class Counter {
+  #x = 0
+
+  increment() {
+    this.#x++
+    return this
+  }
+
+  getCount() {
+    return this.#x
+  }
+}

test/helpers.ts

@@ -9,7 +9,6 @@ const resolve = (...args: string[]): string => path.resolve(__dirname, ...args)
 const read = (file: string): string =>
   fs.readFileSync(resolve(file) + '.ts').toString()
 
-// eslint-disable-next-line import/namespace
 const transpile = (content: string) => ts.transpile(content)
 
 export const execute = (file: string, ...args: number[] | string[]) =>

test/partial-application.spec.ts

@@ -0,0 +1,9 @@
+import _ from './partial-application'
+import { execute } from './helpers'
+
+const proposal = 'partial-application'
+
+test(proposal, () => {
+  expect(() => execute(proposal)).toThrowErrorMatchingSnapshot()
+  expect(_()).toEqual([3, 12])
+})

test/partial-application.ts

@@ -0,0 +1,7 @@
+function add(x, y) { return x + y; }
+
+export default () => {
+  const addOne = add(1, ?);
+  const addTen = add(?, 10);
+  return [addOne(2), addTen(2)]
+}

test/private-methods.spec.ts

@@ -0,0 +1,11 @@
+import { Counter } from './private-methods'
+import { execute } from './helpers'
+
+const proposal = 'private-methods'
+
+test(proposal, () => {
+  expect(() => execute(proposal)).toThrowErrorMatchingSnapshot()
+  const counter = new Counter()
+  expect(counter.getCount()).toEqual(0)
+  expect(counter.increment().getCount()).toEqual(1)
+})

test/private-methods.ts

@@ -0,0 +1,16 @@
+export class Counter {
+  x = 0
+
+  #increment() {
+    this.x++
+    return this
+  }
+
+  increment() {
+    return this.#increment()
+  }
+
+  getCount() {
+    return this.x
+  }
+}

yarn.lock

@@ -140,6 +140,18 @@
     "@babel/traverse" "^7.4.4"
     "@babel/types" "^7.4.4"
 
+"@babel/helper-create-class-features-plugin@^7.4.4", "@babel/helper-create-class-features-plugin@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.5.5.tgz#401f302c8ddbc0edd36f7c6b2887d8fa1122e5a4"
+  integrity sha512-ZsxkyYiRA7Bg+ZTRpPvB6AbOFKTFFK4LrvTet8lInm0V468MWCaSYJE+I7v2z2r8KNLtYiV+K5kTCnR7dvyZjg==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-member-expression-to-functions" "^7.5.5"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-replace-supers" "^7.5.5"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+
 "@babel/helper-define-map@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.5.5.tgz#3dec32c2046f37e09b28c93eb0b103fd2a25d369"
@@ -303,6 +315,14 @@
     "@babel/helper-remap-async-to-generator" "^7.1.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
 
+"@babel/plugin-proposal-class-properties@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.5.5.tgz#a974cfae1e37c3110e71f3c6a2e48b8e71958cd4"
+  integrity sha512-AF79FsnWFxjlaosgdi421vmYG6/jg79bVD0dpD44QdgobzHKuLZ6S3vl8la9qIeSwGi8i1fS0O1mfuDAAdo1/A==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.5.5"
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-proposal-do-expressions@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-do-expressions/-/plugin-proposal-do-expressions-7.5.0.tgz#ceb594d4a618545b00aa0b5cd61cad4aaaeb7a5a"
@@ -384,6 +404,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-optional-chaining" "^7.2.0"
 
+"@babel/plugin-proposal-partial-application@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-partial-application/-/plugin-proposal-partial-application-7.4.4.tgz#7e901a687ecc1851b5590052278a3aa840549fa1"
+  integrity sha512-SnrGdX4pQI9gHE7CSnSQlXThblS9wa1aPf/vROUrTLYtovVlsHRQ+34oXV3uVyYreYVqmIXk+dnS2aPoXUztYg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-partial-application" "^7.4.4"
+
 "@babel/plugin-proposal-pipeline-operator@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-pipeline-operator/-/plugin-proposal-pipeline-operator-7.5.0.tgz#4100ec55ef4f6a4c2490b5f5a4f2a22dfa272c06"
@@ -392,6 +420,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-pipeline-operator" "^7.5.0"
 
+"@babel/plugin-proposal-private-methods@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-methods/-/plugin-proposal-private-methods-7.4.4.tgz#307b7db29d8ae2d259e7c0e6e665b1922d7ac856"
+  integrity sha512-EIV4fDVP3XwdizJ/H6308Km+d8xdLAUCAvsY8mjxhat9I3vNgssGhZuhgn/jw7IK5/91sN8PHtVGxMjeTSrSng==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.4.4"
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-proposal-throw-expressions@^7.0.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-throw-expressions/-/plugin-proposal-throw-expressions-7.2.0.tgz#2d9e452d370f139000e51db65d0a85dc60c64739"
@@ -500,6 +536,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-partial-application@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-partial-application/-/plugin-syntax-partial-application-7.4.4.tgz#7dce8a50d16c9dd8de78297db692742f5f9c0b11"
+  integrity sha512-WXsl5W+Q72AvK71bnbxX1hRxbrEm1rYZcLijReQ0X1Ik6BhXAVR5J/eHxqx155Ib2Ow8+zAunpOUcdi+jKG0Yg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-syntax-pipeline-operator@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-pipeline-operator/-/plugin-syntax-pipeline-operator-7.5.0.tgz#8ea7c2c22847c797748bf07752722a317079dc1e"