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feat: add once to EventEmitters (#5818)

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Nick Perez 2024-11-08 10:49:50 +01:00 committed by GitHub
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5
.changeset/lemon-berries-change.md Normal file
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@ -0,0 +1,5 @@
---
"@tiptap/core": patch
---
feat: add `once` to EventEmitters

9
packages/core/src/EventEmitter.ts
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@ -46,6 +46,15 @@ export class EventEmitter<T extends Record<string, any>> {
return this return this
} }
public once<EventName extends StringKeyOf<T>>(event: EventName, fn: CallbackFunction<T, EventName>): this {
const onceFn = (...args: CallbackType<T, EventName>) => {
this.off(event, onceFn)
fn.apply(this, args)
}
return this.on(event, onceFn)
}
public removeAllListeners(): void { public removeAllListeners(): void {
this.callbacks = {} this.callbacks = {}
} }