22 lines
474 B
JavaScript
22 lines
474 B
JavaScript
'use strict';
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class Event {
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constructor() {
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this.listeners = [];
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}
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addListener(callback) {
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this.listeners.push(callback);
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}
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removeListener(callback) {
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const index = this.listeners.indexOf(callback);
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if (index !== -1) {
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this.listeners.splice(index, 1);
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}
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}
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emit(...args) {
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for (const listener of this.listeners) {
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listener(...args);
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}
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}
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}
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module.exports = Event;
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