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7f5b51acf3
Try to be more consistent in how we capitalize things. Both the "Title Case" and "Sentence case" styles are popular, so either would work. Google and Mozilla both prefer "Sentence case", so let's follow them.
36 lines
896 B
JavaScript
36 lines
896 B
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2019 The noVNC authors
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* Licensed under MPL 2.0 (see LICENSE.txt)
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*
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* See README.md for usage and integration instructions.
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*/
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export default class EventTargetMixin {
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constructor() {
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this._listeners = new Map();
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}
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addEventListener(type, callback) {
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if (!this._listeners.has(type)) {
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this._listeners.set(type, new Set());
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}
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this._listeners.get(type).add(callback);
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}
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removeEventListener(type, callback) {
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if (this._listeners.has(type)) {
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this._listeners.get(type).delete(callback);
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}
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}
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dispatchEvent(event) {
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if (!this._listeners.has(event.type)) {
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return true;
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}
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this._listeners.get(event.type)
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.forEach(callback => callback.call(this, event));
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return !event.defaultPrevented;
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}
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}
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