@tanstack/query-core
Version:
The framework agnostic core that powers TanStack Query
70 lines (69 loc) • 2.01 kB
JavaScript
import {
__privateAdd,
__privateGet,
__privateSet
} from "./chunk-WPSKCR32.js";
// src/onlineManager.ts
import { Subscribable } from "./subscribable.js";
import { isServer } from "./utils.js";
var _online, _cleanup, _setup;
var OnlineManager = class extends Subscribable {
constructor() {
super();
__privateAdd(this, _online, true);
__privateAdd(this, _cleanup, void 0);
__privateAdd(this, _setup, void 0);
__privateSet(this, _setup, (onOnline) => {
if (!isServer && 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);
};
}
return;
});
}
onSubscribe() {
if (!__privateGet(this, _cleanup)) {
this.setEventListener(__privateGet(this, _setup));
}
}
onUnsubscribe() {
var _a;
if (!this.hasListeners()) {
(_a = __privateGet(this, _cleanup)) == null ? void 0 : _a.call(this);
__privateSet(this, _cleanup, void 0);
}
}
setEventListener(setup) {
var _a;
__privateSet(this, _setup, setup);
(_a = __privateGet(this, _cleanup)) == null ? void 0 : _a.call(this);
__privateSet(this, _cleanup, setup(this.setOnline.bind(this)));
}
setOnline(online) {
const changed = __privateGet(this, _online) !== online;
if (changed) {
__privateSet(this, _online, online);
this.listeners.forEach((listener) => {
listener(online);
});
}
}
isOnline() {
return __privateGet(this, _online);
}
};
_online = new WeakMap();
_cleanup = new WeakMap();
_setup = new WeakMap();
var onlineManager = new OnlineManager();
export {
OnlineManager,
onlineManager
};
//# sourceMappingURL=onlineManager.js.map