mirror of
https://github.com/status-im/react-native.git
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30b057fa9c
Summary: Adds the dependency to the Babel preset's package.json and enables the plugin only when `**` exists in a source file. This is https://github.com/facebook/react-native/pull/12339 with merge conflicts resolved and putting the plugin behind a cheaper heuristic. Closes https://github.com/facebook/react-native/pull/16191 Differential Revision: D6023857 Pulled By: hramos fbshipit-source-id: 16f4a5f14780c27d2ef95fa7e8d8b611fa992aa0
108 lines
3.0 KiB
JavaScript
108 lines
3.0 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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'use strict';
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var resolvePlugins = require('../lib/resolvePlugins');
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const getPreset = (src, options) => {
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const plugins = [];
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const isNull = src === null || src === undefined;
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const hasClass = isNull || src.indexOf('class') !== -1;
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const hasForOf =
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isNull || (src.indexOf('for') !== -1 && src.indexOf('of') !== -1);
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plugins.push(
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'syntax-class-properties',
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'syntax-trailing-function-commas',
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'transform-class-properties',
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'transform-es2015-block-scoping',
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'transform-es2015-computed-properties',
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'transform-es2015-destructuring',
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'transform-es2015-function-name',
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'transform-es2015-literals',
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'transform-es2015-parameters',
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'transform-es2015-shorthand-properties',
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'transform-flow-strip-types',
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'transform-react-jsx',
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'transform-regenerator',
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[
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'transform-es2015-modules-commonjs',
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{strict: false, allowTopLevelThis: true},
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]
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);
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if (isNull || src.indexOf('async') !== -1 || src.indexOf('await') !== -1) {
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plugins.push('syntax-async-functions');
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}
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if (hasClass) {
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plugins.push('transform-es2015-classes');
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}
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if (isNull || src.indexOf('=>') !== -1) {
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plugins.push('transform-es2015-arrow-functions');
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}
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if (isNull || src.indexOf('const') !== -1) {
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plugins.push('check-es2015-constants');
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}
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if (isNull || hasClass || src.indexOf('...') !== -1) {
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plugins.push('transform-es2015-spread');
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plugins.push('transform-object-rest-spread');
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}
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if (isNull || src.indexOf('`') !== -1) {
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plugins.push('transform-es2015-template-literals');
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}
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if (isNull || src.indexOf('**') !== -1) {
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plugins.push('transform-exponentiation-operator');
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}
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if (isNull || src.indexOf('Object.assign') !== -1) {
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plugins.push('transform-object-assign');
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}
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if (hasForOf) {
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plugins.push(['transform-es2015-for-of', {loose: true}]);
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}
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if (hasForOf || src.indexOf('Symbol') !== -1) {
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plugins.push(require('../transforms/transform-symbol-member'));
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}
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if (
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isNull ||
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src.indexOf('React.createClass') !== -1 ||
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src.indexOf('createReactClass') !== -1
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) {
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plugins.push('transform-react-display-name');
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}
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if (isNull || src.indexOf('import(')) {
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plugins.push(require('../transforms/transform-dynamic-import'));
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}
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if (options && options.dev) {
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plugins.push('transform-react-jsx-source');
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}
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return {
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comments: false,
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compact: true,
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plugins: resolvePlugins(plugins),
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};
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};
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const base = getPreset(null);
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const devTools = getPreset(null, {dev: true});
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module.exports = options => {
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if (options.withDevTools == null) {
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const env = process.env.BABEL_ENV || process.env.NODE_ENV;
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if (!env || env === 'development') {
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return devTools;
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}
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}
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return base;
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};
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module.exports.getPreset = getPreset;
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