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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,"sources":["../../src/focusManager.ts"],"sourcesContent":["import { Subscribable } from './subscribable'\nimport { isServer } from './utils'\n\ntype SetupFn = (\n setFocused: (focused?: boolean) => void,\n) => (() => void) | undefined\n\nexport class FocusManager extends Subscribable {\n #focused?: boolean\n #cleanup?: () => void\n\n #setup: SetupFn\n\n constructor() {\n super()\n this.#setup = (onFocus) => {\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 listener = () => onFocus()\n // Listen to visibilitychange\n window.addEventListener('visibilitychange', listener, false)\n\n return () => {\n // Be sure to unsubscribe if a new handler is set\n window.removeEventListener('visibilitychange', listener)\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((focused) => {\n if (typeof focused === 'boolean') {\n this.setFocused(focused)\n } else {\n this.onFocus()\n }\n })\n }\n\n setFocused(focused?: boolean): void {\n const changed = this.#focused !== focused\n if (changed) {\n this.#focused = focused\n this.onFocus()\n }\n }\n\n onFocus(): void {\n this.listeners.forEach((listener) => {\n listener()\n })\n }\n\n isFocused(): boolean {\n if (typeof this.#focused === 'boolean') {\n return this.#focused\n }\n\n // document global can be unavailable in react native\n // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition\n return globalThis.document?.visibilityState !== 'hidden'\n }\n}\n\nexport const focusManager = new FocusManager()\n"],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,0BAA6B;AAC7B,mBAAyB;AAMlB,IAAM,eAAN,cAA2B,iCAAa;AAAA,EAC7C;AAAA,EACA;AAAA,EAEA;AAAA,EAEA,cAAc;AACZ,UAAM;AACN,SAAK,SAAS,CAAC,YAAY;AAGzB,UAAI,CAAC,yBAAY,OAAO,kBAAkB;AACxC,cAAM,WAAW,MAAM,QAAQ;AAE/B,eAAO,iBAAiB,oBAAoB,UAAU,KAAK;AAE3D,eAAO,MAAM;AAEX,iBAAO,oBAAoB,oBAAoB,QAAQ;AAAA,QACzD;AAAA,MACF;AACA;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,CAAC,YAAY;AACjC,UAAI,OAAO,YAAY,WAAW;AAChC,aAAK,WAAW,OAAO;AAAA,MACzB,OAAO;AACL,aAAK,QAAQ;AAAA,MACf;AAAA,IACF,CAAC;AAAA,EACH;AAAA,EAEA,WAAW,SAAyB;AAClC,UAAM,UAAU,KAAK,aAAa;AAClC,QAAI,SAAS;AACX,WAAK,WAAW;AAChB,WAAK,QAAQ;AAAA,IACf;AAAA,EACF;AAAA,EAEA,UAAgB;AACd,SAAK,UAAU,QAAQ,CAAC,aAAa;AACnC,eAAS;AAAA,IACX,CAAC;AAAA,EACH;AAAA,EAEA,YAAqB;AACnB,QAAI,OAAO,KAAK,aAAa,WAAW;AACtC,aAAO,KAAK;AAAA,IACd;AAIA,WAAO,WAAW,UAAU,oBAAoB;AAAA,EAClD;AACF;AAEO,IAAM,eAAe,IAAI,aAAa;","names":[]}