53 lines
960 B
JavaScript
53 lines
960 B
JavaScript
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/**
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* {注入的js}
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* @author yutent<yutent.io@gmail.com>
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* @date 2023/07/21 17:38:11
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*/
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Object.assign(window, {
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//
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__events__: Object.create(null),
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$on(name, fn) {
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if (this.__events__[name]) {
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this.__events__[name].push(fn)
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} else {
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this.__events__[name] = [fn]
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}
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},
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$once(name, fn) {
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fn.__once__ = true
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this.$on(name, fn)
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},
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$off(name, fn) {
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if (this.__events__[name]) {
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if (fn) {
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this.__events__[name] = this.__events__[name].filter(it => it !== fn)
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} else {
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this.__events__[name] = []
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}
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}
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},
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$emit(name, ...args) {
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if (this.__events__[name]) {
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for (let fn of this.__events__[name]) {
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try {
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fn.apply(this, args)
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if (fn.__once__) {
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this.$off(name, fn)
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}
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} catch (e) {
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console.error(e)
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}
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}
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}
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},
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$destroy() {
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this.__events__ = Object.create(null)
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}
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})
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