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@tanstack/query-core

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The framework agnostic core that powers TanStack Query

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{"version":3,"file":"onlineManager.cjs","names":["Subscribable"],"sources":["../../src/onlineManager.ts"],"sourcesContent":["import { Subscribable } from './subscribable'\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 (typeof window !== 'undefined' && 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":";;;;;;;AAKA,IAAa,gBAAb,cAAmCA,qBAAAA,aAAuB;CAMxD,cAAc;EACZ,MAAM;EANE,8BAAA,2BAAA,MAAA,SAAA,IAAA;;;EAOR,8BAAA,uBAAA,QAAA,OAAe,aAAa;GAG1B,IAAI,OAAO,WAAW,eAAe,OAAO,kBAAkB;IAC5D,MAAM,uBAAuB,SAAS,IAAI;IAC1C,MAAM,wBAAwB,SAAS,KAAK;IAE5C,OAAO,iBAAiB,UAAU,gBAAgB,KAAK;IACvD,OAAO,iBAAiB,WAAW,iBAAiB,KAAK;IAEzD,aAAa;KAEX,OAAO,oBAAoB,UAAU,cAAc;KACnD,OAAO,oBAAoB,WAAW,eAAe;IACvD;GACF;EAGF,CAAA;CACF;CAEA,cAA8B;EAC5B,IAAI,CAAA,8BAAA,uBAAA,UAAC,IAAA,GACH,KAAK,iBAAA,8BAAA,uBAAA,QAAiB,IAAA,CAAW;CAErC;CAEA,gBAA0B;EACxB,IAAI,CAAC,KAAK,aAAa,GAAG;;GACxB,CAAA,2BAAA,8BAAA,uBAAA,UAAA,IAAA,OAAA,QAAA,6BAAA,KAAA,KAAA,yBAAA,KAAA,IAAgB;GAChB,8BAAA,uBAAA,UAAA,MAAgB,KAAA,CAAA;EAClB;CACF;CAEA,iBAAiB,OAAsB;;EACrC,8BAAA,uBAAA,QAAA,MAAc,KAAA;EACd,CAAA,yBAAA,8BAAA,uBAAA,UAAA,IAAA,OAAA,QAAA,2BAAA,KAAA,KAAA,uBAAA,KAAA,IAAgB;EAChB,8BAAA,uBAAA,UAAA,MAAgB,MAAM,KAAK,UAAU,KAAK,IAAI,CAAC,CAAA;CACjD;CAEA,UAAU,QAAuB;EAG/B,IAAA,8BAAA,uBAAA,SAFgB,IAAA,MAAiB,QAEpB;GACX,8BAAA,uBAAA,SAAA,MAAe,MAAA;GACf,KAAK,UAAU,SAAS,aAAa;IACnC,SAAS,MAAM;GACjB,CAAC;EACH;CACF;CAEA,WAAoB;EAClB,OAAA,8BAAA,uBAAA,SAAO,IAAA;CACT;AACF;AAEA,MAAa,gBAAgB,IAAI,cAAc"}