28 lines
No EOL
759 B
JavaScript
28 lines
No EOL
759 B
JavaScript
/**
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* Simple global events manager
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*/
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class Events {
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constructor() {
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this.listeners = {};
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this.stack = [];
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}
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emit(eventName, eventData) {
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this.stack.push({name: eventName, data: eventData});
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if (typeof this.listeners[eventName] === 'undefined') return this;
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let eventsToStart = this.listeners[eventName];
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for (let i = 0; i < eventsToStart.length; i++) {
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let event = eventsToStart[i];
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event(eventData);
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}
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return this;
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}
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listen(eventName, callback) {
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if (typeof this.listeners[eventName] === 'undefined') this.listeners[eventName] = [];
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this.listeners[eventName].push(callback);
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return this;
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}
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}
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module.exports = Events; |