20 lines
545 B
TypeScript
20 lines
545 B
TypeScript
let createNanoEvents = () => ({
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events: {},
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emit (event, ...args) {
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for (let i of this.events[event] || []) {
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i(...args)
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}
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},
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on (event, cb) {
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;(this.events[event] = this.events[event] || []).push(cb)
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return () => (this.events[event] = this.events[event].filter(i => i !== cb))
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},
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listen(event, cb) {
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;(this.events[event] = this.events[event] || []).push(cb)
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return () => (this.events[event] = this.events[event].filter(i => i !== cb))
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}
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})
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cc.zevent = createNanoEvents()
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export { createNanoEvents }
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