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{"ast":null,"code":"// src/focusManager.ts\nimport { Subscribable } from \"./subscribable.js\";\nimport { isServer } from \"./utils.js\";\nvar FocusManager = class extends Subscribable {\n #focused;\n #cleanup;\n #setup;\n constructor() {\n super();\n this.#setup = onFocus => {\n if (!isServer && window.addEventListener) {\n const listener = () => onFocus();\n window.addEventListener(\"visibilitychange\", listener, false);\n return () => {\n window.removeEventListener(\"visibilitychange\", listener);\n };\n }\n return;\n };\n }\n onSubscribe() {\n if (!this.#cleanup) {\n this.setEventListener(this.#setup);\n }\n }\n onUnsubscribe() {\n if (!this.hasListeners()) {\n this.#cleanup?.();\n this.#cleanup = void 0;\n }\n }\n setEventListener(setup) {\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 setFocused(focused) {\n const changed = this.#focused !== focused;\n if (changed) {\n this.#focused = focused;\n this.onFocus();\n }\n }\n onFocus() {\n const isFocused = this.isFocused();\n this.listeners.forEach(listener => {\n listener(isFocused);\n });\n }\n isFocused() {\n if (typeof this.#focused === \"boolean\") {\n return this.#focused;\n }\n return globalThis.document?.visibilityState !== \"hidden\";\n }\n};\nvar focusManager = new FocusManager();\nexport { FocusManager, focusManager };","map":{"version":3,"names":["Subscribable","isServer","FocusManager","focused","cleanup","setup","constructor","onFocus","window","addEventListener","listener","removeEventListener","onSubscribe","setEventListener","onUnsubscribe","hasListeners","setFocused","changed","isFocused","listeners","forEach","globalThis","document","visibilityState","focusManager"],"sources":["/Users/shoofle/Projects/the-forest/node_modules/@tanstack/query-core/src/focusManager.ts"],"sourcesContent":["import { Subscribable } from './subscribable'\nimport { isServer } from './utils'\n\ntype Listener = (focused: boolean) => void\n\ntype SetupFn = (\n setFocused: (focused?: boolean) => void,\n) => (() => void) | undefined\n\nexport class FocusManager extends Subscribable<Listener> {\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 const isFocused = this.isFocused()\n this.listeners.forEach((listener) => {\n listener(isFocused)\n })\n }\n\n isFocused(): boolean {\n if (typeof this.#focused === 'boolean') {\n return this.#focused\n }\n\n // document global can
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