event_emitter.ts
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TypeScript
초급10
중급10
고급10
전문가5
event_emitter.ts
async_retry.ts
builder_pattern.ts
type_validator.ts
generic_cache.ts
마스터5
event_emitter.ts
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class EventEmitter<T> {↵
private events = new Map<string, Set<(data: T) => void>>();↵
on(event: string, fn: (data: T) => void): void {↵
(this.events.get(event) ?? this.events.set(event, new Set()).get(event))?.add(fn);↵
}↵
}
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