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

The framework agnostic core that powers TanStack Query

{"version":3,"sources":["../../src/onlineManager.ts"],"sourcesContent":["import { Subscribable } from './subscribable'\nimport { isServer } from './utils'\n\ntype Listener = (online: boolean) => void\ntype SetupFn = (setOnline: Listener) => (() => void) | undefined\n\nexport class OnlineManager extends Subscribable<Listener> {\n  #online = true\n  #cleanup?: () => void\n\n  #setup: SetupFn\n\n  constructor() {\n    super()\n    this.#setup = (onOnline) => {\n      // addEventListener does not exist in React Native, but window does\n      // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\n      if (!isServer && window.addEventListener) {\n        const onlineListener = () => onOnline(true)\n        const offlineListener = () => onOnline(false)\n        // Listen to online\n        window.addEventListener('online', onlineListener, false)\n        window.addEventListener('offline', offlineListener, false)\n\n        return () => {\n          // Be sure to unsubscribe if a new handler is set\n          window.removeEventListener('online', onlineListener)\n          window.removeEventListener('offline', offlineListener)\n        }\n      }\n\n      return\n    }\n  }\n\n  protected onSubscribe(): void {\n    if (!this.#cleanup) {\n      this.setEventListener(this.#setup)\n    }\n  }\n\n  protected onUnsubscribe() {\n    if (!this.hasListeners()) {\n      this.#cleanup?.()\n      this.#cleanup = undefined\n    }\n  }\n\n  setEventListener(setup: SetupFn): void {\n    this.#setup = setup\n    this.#cleanup?.()\n    this.#cleanup = setup(this.setOnline.bind(this))\n  }\n\n  setOnline(online: boolean): void {\n    const changed = this.#online !== online\n\n    if (changed) {\n      this.#online = online\n      this.listeners.forEach((listener) => {\n        listener(online)\n      })\n    }\n  }\n\n  isOnline(): boolean {\n    return this.#online\n  }\n}\n\nexport const onlineManager = new OnlineManager()\n"],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,0BAA6B;AAC7B,mBAAyB;AAKlB,IAAM,gBAAN,cAA4B,iCAAuB;AAAA,EACxD,UAAU;AAAA,EACV;AAAA,EAEA;AAAA,EAEA,cAAc;AACZ,UAAM;AACN,SAAK,SAAS,CAAC,aAAa;AAG1B,UAAI,CAAC,yBAAY,OAAO,kBAAkB;AACxC,cAAM,iBAAiB,MAAM,SAAS,IAAI;AAC1C,cAAM,kBAAkB,MAAM,SAAS,KAAK;AAE5C,eAAO,iBAAiB,UAAU,gBAAgB,KAAK;AACvD,eAAO,iBAAiB,WAAW,iBAAiB,KAAK;AAEzD,eAAO,MAAM;AAEX,iBAAO,oBAAoB,UAAU,cAAc;AACnD,iBAAO,oBAAoB,WAAW,eAAe;AAAA,QACvD;AAAA,MACF;AAEA;AAAA,IACF;AAAA,EACF;AAAA,EAEU,cAAoB;AAC5B,QAAI,CAAC,KAAK,UAAU;AAClB,WAAK,iBAAiB,KAAK,MAAM;AAAA,IACnC;AAAA,EACF;AAAA,EAEU,gBAAgB;AACxB,QAAI,CAAC,KAAK,aAAa,GAAG;AACxB,WAAK,WAAW;AAChB,WAAK,WAAW;AAAA,IAClB;AAAA,EACF;AAAA,EAEA,iBAAiB,OAAsB;AACrC,SAAK,SAAS;AACd,SAAK,WAAW;AAChB,SAAK,WAAW,MAAM,KAAK,UAAU,KAAK,IAAI,CAAC;AAAA,EACjD;AAAA,EAEA,UAAU,QAAuB;AAC/B,UAAM,UAAU,KAAK,YAAY;AAEjC,QAAI,SAAS;AACX,WAAK,UAAU;AACf,WAAK,UAAU,QAAQ,CAAC,aAAa;AACnC,iBAAS,MAAM;AAAA,MACjB,CAAC;AAAA,IACH;AAAA,EACF;AAAA,EAEA,WAAoB;AAClB,WAAO,KAAK;AAAA,EACd;AACF;AAEO,IAAM,gBAAgB,IAAI,cAAc;","names":[]}