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49 lines
1.0 KiB
49 lines
1.0 KiB
3 years ago
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"use strict";
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const { setupForSimpleEventAccessors } = require("../helpers/create-event-accessor");
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const { fireAnEvent } = require("../helpers/events");
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const EventTargetImpl = require("../events/EventTarget-impl").implementation;
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class AbortSignalImpl extends EventTargetImpl {
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constructor(args, privateData) {
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super();
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// make event firing possible
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this._ownerDocument = privateData.window.document;
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this.aborted = false;
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this.abortAlgorithms = new Set();
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}
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_signalAbort() {
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if (this.aborted) {
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return;
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}
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this.aborted = true;
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for (const algorithm of this.abortAlgorithms) {
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algorithm();
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}
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this.abortAlgorithms.clear();
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fireAnEvent("abort", this);
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}
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_addAlgorithm(algorithm) {
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if (this.aborted) {
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return;
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}
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this.abortAlgorithms.add(algorithm);
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}
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_removeAlgorithm(algorithm) {
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this.abortAlgorithms.delete(algorithm);
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}
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}
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setupForSimpleEventAccessors(AbortSignalImpl.prototype, ["abort"]);
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module.exports = {
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implementation: AbortSignalImpl
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};
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