37 lines
657 B
JavaScript
37 lines
657 B
JavaScript
/**
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* @name: emitter
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* @author: kahu4
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* @date: 2024-01-19 18:18
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* @description：事件派发、监听器
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* @update: 2024-01-19 18:18
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* */
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class Emitter {
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lister = {}
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constructor() {
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this.lister = {}
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}
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on(name, func) {
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this.lister[name] ? this.lister[name].push(func) : this.lister[name] = [func];
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}
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emit(name, ...args) {
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if (!this.lister[name]) return
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this.lister[name].forEach(func => func(...args))
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}
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clear(name) {
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this.lister[name] = []
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}
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clearAll() {
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this.lister = {}
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}
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}
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// 只暴露一个实例全局共用
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export const emitter = new Emitter()
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