21 lines
497 B
JavaScript
21 lines
497 B
JavaScript
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class EventListener {
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constructor () {
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this._listeners = {};
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}
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emit (eventName, ...data) {
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if (!this._listeners[eventName] || this._listeners[eventName].length == 0) return;
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for (var e = 0; e < this._listeners[eventName].length; e++) {
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this._listeners[eventName][e](...data);
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}
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}
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on (eventName, callback) {
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if (!this._listeners[eventName]) this._listeners[eventName] = [];
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this._listeners[eventName].push(callback);
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}
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}
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module.exports = {
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"EventListener": EventListener
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};
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