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node_modules/regenerator-runtime/runtime-module.js 1.1 KB
aaac7fed   liuqimichale   add
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  /**
   * Copyright (c) 2014-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  
  // This method of obtaining a reference to the global object needs to be
  // kept identical to the way it is obtained in runtime.js
  var g = (function() { return this })() || Function("return this")();
  
  // Use `getOwnPropertyNames` because not all browsers support calling
  // `hasOwnProperty` on the global `self` object in a worker. See #183.
  var hadRuntime = g.regeneratorRuntime &&
    Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
  
  // Save the old regeneratorRuntime in case it needs to be restored later.
  var oldRuntime = hadRuntime && g.regeneratorRuntime;
  
  // Force reevalutation of runtime.js.
  g.regeneratorRuntime = undefined;
  
  module.exports = require("./runtime");
  
  if (hadRuntime) {
    // Restore the original runtime.
    g.regeneratorRuntime = oldRuntime;
  } else {
    // Remove the global property added by runtime.js.
    try {
      delete g.regeneratorRuntime;
    } catch(e) {
      g.regeneratorRuntime = undefined;
    }
  }