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Add mode entry points to our preset (#4669)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
| 'use strict'; | ||
|
|
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| const validateBoolOption = (name, value, defaultValue) => { | ||
| if (typeof value === 'undefined') { | ||
| value = defaultValue; | ||
| } | ||
|
|
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| if (typeof value !== 'boolean') { | ||
| throw new Error(`Preset react-app: '${name}' option must be a boolean.`); | ||
| } | ||
|
|
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| return value; | ||
| }; | ||
|
|
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| module.exports = function(api, opts, env) { | ||
| if (!opts) { | ||
| opts = {}; | ||
| } | ||
|
|
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| var isEnvDevelopment = env === 'development'; | ||
| var isEnvProduction = env === 'production'; | ||
| var isEnvTest = env === 'test'; | ||
| var isFlowEnabled = validateBoolOption('flow', opts.flow, true); | ||
|
|
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| if (!isEnvDevelopment && !isEnvProduction && !isEnvTest) { | ||
| throw new Error( | ||
| 'Using `babel-preset-react-app` requires that you specify `NODE_ENV` or ' + | ||
| '`BABEL_ENV` environment variables. Valid values are "development", ' + | ||
| '"test", and "production". Instead, received: ' + | ||
| JSON.stringify(env) + | ||
| '.' | ||
| ); | ||
| } | ||
|
|
||
| return { | ||
| presets: [ | ||
| isEnvTest && [ | ||
| // ES features necessary for user's Node version | ||
| require('@babel/preset-env').default, | ||
| { | ||
| targets: { | ||
| node: '6.12', | ||
| }, | ||
| }, | ||
| ], | ||
| (isEnvProduction || isEnvDevelopment) && [ | ||
| // Latest stable ECMAScript features | ||
| require('@babel/preset-env').default, | ||
| { | ||
| // `entry` transforms `@babel/polyfill` into individual requires for | ||
| // the targeted browsers. This is safer than `usage` which performs | ||
| // static code analysis to determine what's required. | ||
| // This is probably a fine default to help trim down bundles when | ||
| // end-users inevitably import '@babel/polyfill'. | ||
| useBuiltIns: 'entry', | ||
| // Do not transform modules to CJS | ||
| modules: false, | ||
| }, | ||
| ], | ||
| [ | ||
| require('@babel/preset-react').default, | ||
| { | ||
| // Adds component stack to warning messages | ||
| // Adds __self attribute to JSX which React will use for some warnings | ||
| development: isEnvDevelopment || isEnvTest, | ||
| // Will use the native built-in instead of trying to polyfill | ||
| // behavior for any plugins that require one. | ||
| useBuiltIns: true, | ||
| }, | ||
| ], | ||
| isFlowEnabled && [require('@babel/preset-flow').default], | ||
| ].filter(Boolean), | ||
| plugins: [ | ||
| // Experimental macros support. Will be documented after it's had some time | ||
| // in the wild. | ||
| require('babel-plugin-macros'), | ||
| // Necessary to include regardless of the environment because | ||
| // in practice some other transforms (such as object-rest-spread) | ||
| // don't work without it: https://github.com/babel/babel/issues/7215 | ||
| require('@babel/plugin-transform-destructuring').default, | ||
| // class { handleClick = () => { } } | ||
| // Enable loose mode to use assignment instead of defineProperty | ||
| // See discussion in https://github.com/facebook/create-react-app/issues/4263 | ||
| [ | ||
| require('@babel/plugin-proposal-class-properties').default, | ||
| { | ||
| loose: true, | ||
| }, | ||
| ], | ||
| // The following two plugins use Object.assign directly, instead of Babel's | ||
| // extends helper. Note that this assumes `Object.assign` is available. | ||
| // { ...todo, completed: true } | ||
| [ | ||
| require('@babel/plugin-proposal-object-rest-spread').default, | ||
| { | ||
| useBuiltIns: true, | ||
| }, | ||
| ], | ||
| // Polyfills the runtime needed for async/await and generators | ||
| [ | ||
| require('@babel/plugin-transform-runtime').default, | ||
| { | ||
| helpers: false, | ||
| polyfill: false, | ||
| regenerator: true, | ||
| }, | ||
| ], | ||
| isEnvProduction && [ | ||
| // Remove PropTypes from production build | ||
| require('babel-plugin-transform-react-remove-prop-types').default, | ||
| { | ||
| removeImport: true, | ||
| }, | ||
| ], | ||
| // function* () { yield 42; yield 43; } | ||
| !isEnvTest && [ | ||
| require('@babel/plugin-transform-regenerator').default, | ||
| { | ||
| // Async functions are converted to generators by @babel/preset-env | ||
| async: false, | ||
| }, | ||
| ], | ||
| // Adds syntax support for import() | ||
| require('@babel/plugin-syntax-dynamic-import').default, | ||
| isEnvTest && | ||
| // Transform dynamic import to require | ||
| require('babel-plugin-transform-dynamic-import').default, | ||
| ].filter(Boolean), | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
| 'use strict'; | ||
|
|
||
| const create = require('./create'); | ||
|
|
||
| module.exports = function(api, opts) { | ||
| return create(api, opts, 'development'); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
| 'use strict'; | ||
|
|
||
| const create = require('./create'); | ||
|
|
||
| module.exports = function(api, opts) { | ||
| return create(api, opts, 'production'); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Facebook, Inc. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
| 'use strict'; | ||
|
|
||
| const create = require('./create'); | ||
|
|
||
| module.exports = function(api, opts) { | ||
| return create(api, opts, 'test'); | ||
| }; |