36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// This method of obtaining a reference to the global object needs to be
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// kept identical to the way it is obtained in runtime.js
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var g = (function() { return this })() || Function("return this")();
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// Use `getOwnPropertyNames` because not all browsers support calling
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// `hasOwnProperty` on the global `self` object in a worker. See #183.
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var hadRuntime = g.regeneratorRuntime &&
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Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
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// Save the old regeneratorRuntime in case it needs to be restored later.
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var oldRuntime = hadRuntime && g.regeneratorRuntime;
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// Force reevalutation of runtime.js.
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g.regeneratorRuntime = undefined;
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module.exports = require("./runtime");
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if (hadRuntime) {
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// Restore the original runtime.
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g.regeneratorRuntime = oldRuntime;
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} else {
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// Remove the global property added by runtime.js.
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try {
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delete g.regeneratorRuntime;
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} catch(e) {
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g.regeneratorRuntime = undefined;
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}
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}
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