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37 lines
583 B
JavaScript
37 lines
583 B
JavaScript
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export default {
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handlers: null,
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/**
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*/
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getHandlers(event) {
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this.handlers = this.handlers || {};
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return this.handlers[event] = this.handlers[event] || [];
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},
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/**
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*/
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trigger(event, ...args) {
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this.getHandlers(event).forEach((handler) => handler.apply(this, args));
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},
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/**
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*/
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on(event, handler) {
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this.getHandlers(event).push(handler);
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},
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/**
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*/
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off(event, handler) {
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var handlers = this.getHandlers(event);
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var index = handlers.indexOf(handler);
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if (index !== -1) {
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handlers.splice(index, 1);
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}
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}
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}
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