Preview: subscribable.ts
Size: 557 B
/var/www/gtechmarathon2026.bitkit.dk/httpdocs/node_modules/@tanstack/query-core/src/subscribable.ts
export class Subscribable<TListener extends Function> {
protected listeners = new Set<TListener>()
constructor() {
this.subscribe = this.subscribe.bind(this)
}
subscribe(listener: TListener): () => void {
this.listeners.add(listener)
this.onSubscribe()
return () => {
this.listeners.delete(listener)
this.onUnsubscribe()
}
}
hasListeners(): boolean {
return this.listeners.size > 0
}
protected onSubscribe(): void {
// Do nothing
}
protected onUnsubscribe(): void {
// Do nothing
}
}
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