执行过npm install命令的vue-element-admin源码
康凯
2022-05-20 aa4c235a8ca67ea8b731f90c951a465e92c0a865
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"use strict";
 
const { setupForSimpleEventAccessors } = require("../helpers/create-event-accessor");
const EventTargetImpl = require("../events/EventTarget-impl").implementation;
 
const Event = require("../generated/Event");
 
class AbortSignalImpl extends EventTargetImpl {
  constructor(args, privateData) {
    super();
 
    // make event firing possible
    this._ownerDocument = privateData.window.document;
 
    this.aborted = false;
    this.abortAlgorithms = new Set();
  }
 
  _signalAbort() {
    if (this.aborted) {
      return;
    }
    this.aborted = true;
 
    for (const algorithm of this.abortAlgorithms) {
      algorithm();
    }
    this.abortAlgorithms.clear();
 
    this._dispatch(Event.createImpl(
      [
        "abort",
        { bubbles: false, cancelable: false }
      ],
      { isTrusted: true }
    ));
  }
 
  _addAlgorithm(algorithm) {
    if (this.aborted) {
      return;
    }
    this.abortAlgorithms.add(algorithm);
  }
 
  _removeAlgorithm(algorithm) {
    this.abortAlgorithms.delete(algorithm);
  }
}
 
setupForSimpleEventAccessors(AbortSignalImpl.prototype, ["abort"]);
 
module.exports = {
  implementation: AbortSignalImpl
};