init data (#1)

experimental/babel-preset-env/.gitignore

@@ -1,37 +1,4 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
 node_modules
-jspm_packages
-
-# Optional npm cache directory
-.npm
-
-# Optional REPL history
-.node_repl_history
+lib
+.DS_Store
+*.log

experimental/babel-preset-env/.npmignore

@@ -0,0 +1,3 @@
+src
+test
+node_modules

experimental/babel-preset-env/README.md

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+# babel-preset-env
+
+> Babel preset for all envs.
+
+## Install
+
+```sh
+$ npm install --save-dev babel-preset-env
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "presets": ["env"]
+}
+```
+
+### Via CLI
+
+```sh
+$ babel script.js --presets env
+```
+
+### Via Node API
+
+```javascript
+require("babel-core").transform("code", {
+  presets: ["env"]
+});
+```
+
+## Options
+
+* `loose` - Enable "loose" transformations for any plugins in this preset that allow them (Disabled by default).
+
+```
+{
+  presets: [
+    ["env", {
+      chrome: 49
+    }]
+  ]
+}
+```

experimental/babel-preset-env/package.json

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+{
+  "name": "babel-preset-env",
+  "version": "1.0.0",
+  "description": "A Babel preset for each environment.",
+  "author": "Henry Zhu <hi@henryzoo.com>",
+  "homepage": "https://babeljs.io/",
+  "license": "MIT",
+  "repository": "https://github.com/babel/babel-preset-env",
+  "main": "lib/index.js",
+  "scripts": {
+    "build": "babel src -d lib",
+    "dev": "babel -w src -d lib",
+    "lint": "eslint src test",
+    "fix": "eslint src test --fix",
+    "ci": "npm run lint && npm run test",
+    "prepublish": "npm run build"
+  },
+  "dependencies": {
+    "babel-plugin-transform-es2015-modules-amd": "^6.8.0",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.6.0",
+    "babel-plugin-transform-es2015-modules-systemjs": "^6.12.0",
+    "babel-plugin-transform-es2015-modules-umd": "^6.12.0",
+    "babel-plugin-transform-es3-member-expression-literals": "^6.3.13",
+    "babel-plugin-transform-es3-property-literals": "^6.3.13",
+    "babel-plugin-transform-proto-to-assign": "^6.9.0",
+    "babel-plugin-transform-es5-property-mutators": "^6.3.13",
+    "babel-plugin-check-es2015-constants": "^6.3.13",
+    "babel-plugin-transform-es2015-arrow-functions": "^6.3.13",
+    "babel-plugin-transform-es2015-block-scoped-functions": "^6.3.13",
+    "babel-plugin-transform-es2015-block-scoping": "^6.6.0",
+    "babel-plugin-transform-es2015-classes": "^6.6.0",
+    "babel-plugin-transform-es2015-computed-properties": "^6.3.13",
+    "babel-plugin-transform-es2015-destructuring": "^6.6.0",
+    "babel-plugin-transform-es2015-duplicate-keys": "^6.6.0",
+    "babel-plugin-transform-es2015-for-of": "^6.6.0",
+    "babel-plugin-transform-es2015-function-name": "^6.3.13",
+    "babel-plugin-transform-es2015-literals": "^6.3.13",
+    "babel-plugin-transform-es2015-object-super": "^6.3.13",
+    "babel-plugin-transform-es2015-parameters": "^6.6.0",
+    "babel-plugin-transform-es2015-shorthand-properties": "^6.3.13",
+    "babel-plugin-transform-es2015-spread": "^6.3.13",
+    "babel-plugin-transform-es2015-sticky-regex": "^6.3.13",
+    "babel-plugin-transform-es2015-template-literals": "^6.6.0",
+    "babel-plugin-transform-es2015-typeof-symbol": "^6.6.0",
+    "babel-plugin-transform-es2015-unicode-regex": "^6.3.13",
+    "babel-plugin-transform-regenerator": "^6.6.0",
+    "babel-plugin-transform-exponentiation-operator": "^6.8.0",
+    "babel-plugin-syntax-trailing-function-commas": "^6.13.0",
+    "babel-plugin-transform-async-to-generator": "^6.8.0",
+    "babel-plugin-transform-class-properties": "^6.11.5",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-do-expressions": "^6.8.0",
+    "babel-plugin-transform-export-extensions": "^6.8.0",
+    "babel-plugin-transform-function-bind": "^6.8.0",
+    "babel-plugin-transform-object-rest-spread": "^6.8.0"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.11.4",
+    "babel-eslint": "^6.1.2",
+    "babel-plugin-transform-flow-strip-types": "^6.8.0",
+    "eslint": "^3.3.1",
+    "eslint-config-babel": "^1.0.1",
+    "eslint-plugin-babel": "^3.3.0",
+    "eslint-plugin-flow-vars": "^0.5.0"
+  },
+  "babel": {
+    "plugins": [
+      "transform-class-properties",
+      "transform-flow-strip-types"
+    ]
+  },
+  "eslint": {
+    "extends": "babel",
+    "parserOptions": {
+      "ecmaVersion": 7,
+      "sourceType": "module"
+    },
+    "rules": {
+      "max-len": 0
+    }
+  }
+}

experimental/babel-preset-env/src/index.js

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+// use if ie
+// "es3-member-expression-literals",
+// "es3-property-literals",
+// "proto-to-assign",
+// "es5-property-mutators",
+
+export const pluginsList = {
+  // es2015
+  "transform-es2015-arrow-functions": {
+    edge: 13,
+    firefox: 45,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-block-scoped-functions": {
+    edge: 11,
+    firefox: 46,
+    chrome: 41,
+    opera: 28,
+  },
+  "transform-es2015-block-scoping": {
+    edge: 11,
+    firefox: 36,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-classes": {
+    edge: 13,
+    firefox: 45,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-computed-properties": {
+    edge: 12,
+    firefox: 34,
+    chrome: 44,
+    opera: 31
+  },
+  "check-es2015-constants": {
+    edge: 11,
+    firefox: 36,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-destructuring": {
+    edge: 14,
+    firefox: Infinity,
+    chrome: 52,
+    opera: 39,
+  },
+  "transform-es2015-for-of": {
+    edge: Infinity,
+    firefox: Infinity,
+    chrome: 51,
+    opera: 38,
+  },
+  "transform-es2015-function-name": {
+    edge: Infinity,
+    firefox: Infinity,
+    chrome: 52,
+    opera: 39,
+  },
+  "transform-es2015-literals": {
+    edge: 12,
+    firefox: 36,
+    chrome: 41,
+    opera: 28
+  },
+  "transform-es2015-object-super": {
+    edge: 13,
+    firefox: 45,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-parameters": {
+    edge: 14,
+    firefox: Infinity,
+    chrome: 49,
+    opera: 36,
+  },
+  "transform-es2015-shorthand-properties": {
+    edge: 12,
+    firefox: 33,
+    chrome: 43,
+    opera: 30
+  },
+  "transform-es2015-spread": {
+    edge: 13,
+    firefox: 36,
+    chrome: 46,
+    opera: 33,
+  },
+  "transform-es2015-sticky-regex": {
+    edge: 13,
+    firefox: 31,
+    chrome: 49,
+    opera: 36
+  },
+  "transform-es2015-template-literals": {
+    edge: 13,
+    firefox: 34,
+    chrome: 41,
+    opera: 28,
+  },
+  "transform-es2015-typeof-symbol": {
+    edge: 12,
+    firefox: 36,
+    chrome: 38,
+    opera: 25,
+  },
+  "transform-es2015-unicode-regex": {
+    edge: 12,
+    firefox: 46,
+    chrome: 51,
+    opera: 38,
+  },
+  "transform-regenerator": {
+    edge: 13,
+    firefox: 45,
+    chrome: 49,
+    opera: 36,
+  },
+
+  // es2016
+  "transform-exponentiation-operator": {
+    edge: 14,
+    chrome: 52,
+  },
+
+  // es2017
+  "transform-async-to-generator": {
+    edge: 14,
+  },
+  "syntax-trailing-function-commas": {
+    edge: 14,
+  }
+};
+
+export const plugins = [
+  "es3-member-expression-literals",
+  "es3-property-literals",
+  "proto-to-assign",
+
+  "es5-property-mutators",
+
+  // es2015
+  "transform-es2015-arrow-functions",
+  "transform-es2015-block-scoped-functions",
+  "transform-es2015-block-scoping",
+  "transform-es2015-classes",
+  "transform-es2015-computed-properties",
+  "check-es2015-constants",
+  "transform-es2015-destructuring",
+  "transform-es2015-for-of",
+  "transform-es2015-function-name",
+  "transform-es2015-literals",
+  "transform-es2015-object-super",
+  "transform-es2015-parameters",
+  "transform-es2015-shorthand-properties",
+  "transform-es2015-spread",
+  "transform-es2015-sticky-regex",
+  "transform-es2015-template-literals",
+  "transform-es2015-typeof-symbol",
+  "transform-es2015-unicode-regex",
+  "transform-regenerator",
+
+  // es2016
+  "transform-exponentiation-operator",
+
+  // es2017
+  "transform-async-to-generator",
+  "syntax-trailing-function-commas"
+];
+
+// modules?
+export const modules = [
+  "transform-es2015-modules-amd",
+  "transform-es2015-modules-commonjs",
+  "transform-es2015-modules-systemjs",
+  "transform-es2015-modules-umd"
+];
+
+export const stagePlugins = [
+  // "transform-class-constructor-call", proposal is removed
+  "transform-class-properties",
+  "transform-transform-decorators-legacy", // legacy plugin
+  "transform-do-expressions",
+  "transform-export-extensions",
+  "transform-function-bind",
+  "transform-object-rest-spread",
+];
+
+export default function(opts) {
+  let stage = 4;
+  if (opts !== undefined){
+    if (opts.stage !== undefined) stage = opts.stage;
+  }
+
+  if (typeof stage !== "boolean") throw new Error("Preset es2015 'loose' option must be a boolean.");
+
+}