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

The framework agnostic core that powers TanStack Query

Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const require_subscribable = require("./subscribable.cjs");
//#region src/onlineManager.ts
var OnlineManager = class extends require_subscribable.Subscribable {
	#online = true;
	#cleanup;
	#setup;
	constructor() {
		super();
		this.#setup = (onOnline) => {
			if (typeof window !== "undefined" && window.addEventListener) {
				const onlineListener = () => onOnline(true);
				const offlineListener = () => onOnline(false);
				window.addEventListener("online", onlineListener, false);
				window.addEventListener("offline", offlineListener, false);
				return () => {
					window.removeEventListener("online", onlineListener);
					window.removeEventListener("offline", offlineListener);
				};
			}
		};
	}
	onSubscribe() {
		if (!this.#cleanup) this.setEventListener(this.#setup);
	}
	onUnsubscribe() {
		if (!this.hasListeners()) {
			this.#cleanup?.();
			this.#cleanup = void 0;
		}
	}
	setEventListener(setup) {
		this.#setup = setup;
		this.#cleanup?.();
		this.#cleanup = setup(this.setOnline.bind(this));
	}
	setOnline(online) {
		if (this.#online !== online) {
			this.#online = online;
			this.listeners.forEach((listener) => {
				listener(online);
			});
		}
	}
	isOnline() {
		return this.#online;
	}
};
const onlineManager = new OnlineManager();
//#endregion
exports.OnlineManager = OnlineManager;
exports.onlineManager = onlineManager;

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