58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
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/**
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* Copyright (c) 2014-present, Facebook, Inc. 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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*/
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'use strict';
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function deepCopy(obj) {
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const newObj = {};
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let value;
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for (const key in obj) {
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value = obj[key];
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if (typeof value === 'object' && value !== null) {
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value = deepCopy(value);
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}
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newObj[key] = value;
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}
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return newObj;
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}
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module.exports = (global, globals) => {
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// Forward some APIs
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global.Buffer = Buffer;
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// `global.process` is mutated by FakeTimers. Make a copy of the
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// object for the jsdom environment to prevent memory leaks.
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// Overwrite toString to make it look like the real process object
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let toStringOverwrite;
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if (Symbol && Symbol.toStringTag) {
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// $FlowFixMe
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toStringOverwrite = {
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[Symbol.toStringTag]: 'process' };
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}
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global.process = Object.assign({}, process, toStringOverwrite);
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global.process.setMaxListeners = process.setMaxListeners.bind(process);
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global.process.getMaxListeners = process.getMaxListeners.bind(process);
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global.process.emit = process.emit.bind(process);
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global.process.addListener = process.addListener.bind(process);
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global.process.on = process.on.bind(process);
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global.process.once = process.once.bind(process);
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global.process.removeListener = process.removeListener.bind(process);
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global.process.removeAllListeners = process.removeAllListeners.bind(process);
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global.process.listeners = process.listeners.bind(process);
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global.process.listenerCount = process.listenerCount.bind(process);
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global.setImmediate = setImmediate;
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global.clearImmediate = clearImmediate;
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Object.assign(global, deepCopy(globals));
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};
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