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35 lines
1.1 KiB
35 lines
1.1 KiB
/** |
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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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