@tanstack/query-core/build/modern/subscribable.cjs

The framework agnostic core that powers TanStack Query

Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
//#region src/subscribable.ts
var Subscribable = class {
	constructor() {
		this.listeners = /* @__PURE__ */ new Set();
		this.subscribe = this.subscribe.bind(this);
	}
	subscribe(listener) {
		this.listeners.add(listener);
		this.onSubscribe();
		return () => {
			this.listeners.delete(listener);
			this.onUnsubscribe();
		};
	}
	hasListeners() {
		return this.listeners.size > 0;
	}
	onSubscribe() {}
	onUnsubscribe() {}
};
//#endregion
exports.Subscribable = Subscribable;

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