82 lines
2.4 KiB
JavaScript
82 lines
2.4 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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* @flow
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*/
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/* eslint-env node */
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'use strict';
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/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
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* found when Flow v0.54 was deployed. To see the error delete this comment and
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* run Flow. */
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const babel = require('babel-core');
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/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
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* found when Flow v0.54 was deployed. To see the error delete this comment and
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* run Flow. */
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const babelRegisterOnly = require('metro/src/babelRegisterOnly');
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/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
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* found when Flow v0.54 was deployed. To see the error delete this comment and
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* run Flow. */
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const createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
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const generate = require('babel-generator').default;
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const nodeFiles = RegExp([
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'/local-cli/',
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'/metro(-bundler)?/',
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].join('|'));
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const nodeOptions = babelRegisterOnly.config([nodeFiles]);
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babelRegisterOnly([]);
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/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
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* found when Flow v0.54 was deployed. To see the error delete this comment and
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* run Flow. */
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const transformer = require('metro/src/transformer.js');
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module.exports = {
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process(src/*: string*/, file/*: string*/) {
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if (nodeFiles.test(file)) { // node specific transforms only
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return babel.transform(
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src,
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Object.assign({filename: file}, nodeOptions)
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).code;
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}
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const {ast} = transformer.transform({
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filename: file,
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localPath: file,
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options: {
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dev: true,
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inlineRequires: true,
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minify: false,
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platform: '',
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projectRoot: '',
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retainLines: true,
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},
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src,
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});
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return generate(ast, {
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code: true,
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comments: false,
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compact: false,
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filename: file,
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retainLines: true,
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sourceFileName: file,
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sourceMaps: true,
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}, src).code;
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},
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getCacheKey: createCacheKeyFunction([
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__filename,
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require.resolve('metro/src/transformer.js'),
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require.resolve('babel-core/package.json'),
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]),
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};
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