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{"ast":null,"code":"\"use strict\";\n\nimport _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/objectWithoutPropertiesLoose\";\nconst _excluded = [\"emit\"];\nimport { CommonActions } from '@react-navigation/routers';\nimport * as React from 'react';\nimport { NavigationBuilderContext } from \"./NavigationBuilderContext.js\";\nexport function useNavigationCache({\n state,\n getState,\n navigation,\n setOptions,\n router,\n emitter\n}) {\n const {\n stackRef\n } = React.useContext(NavigationBuilderContext);\n const base = React.useMemo(() => {\n const rest = _objectWithoutPropertiesLoose(navigation, _excluded);\n const actions = Object.assign({}, router.actionCreators, CommonActions);\n const dispatch = () => {\n throw new Error('Actions cannot be dispatched from a placeholder screen.');\n };\n const helpers = Object.keys(actions).reduce((acc, name) => {\n acc[name] = dispatch;\n return acc;\n }, {});\n return Object.assign({}, rest, helpers, {\n addListener: () => {\n return () => {};\n },\n removeListener: () => {},\n dispatch,\n getParent: id => {\n if (id !== undefined && id === rest.getId()) {\n return base;\n }\n return rest.getParent(id);\n },\n setOptions: () => {\n throw new Error('Options cannot be set from a placeholder screen.');\n },\n isFocused: () => false\n });\n }, [navigation, router.actionCreators]);\n const cache = React.useMemo(() => ({\n current: {}\n }), [base, getState, navigation, setOptions, emitter]);\n cache.current = state.routes.reduce((acc, route) => {\n const previous = cache.current[route.key];\n if (previous) {\n acc[route.key] = previous;\n } else {\n const dispatch = thunk => {\n const action = typeof thunk === 'function' ? thunk(getState()) : thunk;\n if (action != null) {\n navigation.dispatch(Object.assign({\n source: route.key\n }, action));\n }\n };\n const withStack = callback => {\n let isStackSet = false;\n try {\n if (process.env.NODE_ENV !== 'production' && stackRef && !stackRef.current) {\n stackRef.current = new Error().stack;\n isStackSet = true;\n }\n callback();\n } finally {\n if (isStackSet && stackRef) {\n stackRef.current = undefined;\n }\n }\n };\n const actions = Object.assign({}, router.actionCreators, CommonActions);\n const helpers = Object.keys(actions).reduce((acc, name) => {\n acc[name] = (...args) => withStack(() => dispatch(actions[name](...args)));\n return acc;\n }, {});\n acc[route.key] = Object.assign({}, base, helpers, emitter.create(route.key), {\n dispatch: thunk => withStack(() => dispatch(thunk)),\n getParent: id => {\n if (id !== undefined && id === base.getId()) {\n return acc[route.key];\n }\n return base.getParent(id);\n },\n setOptions: options => {\n setOptions(o => Object.assign({}, o, {\n [route.key]: Object.assign({}, o[route.key], options)\n }));\n },\n isFocused: () => {\n const state = base.getState();\n if (state.routes[state.index].key !== route.key) {\n return false;\n }\n return navigation ? 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thunk(getState()) : thunk;\n\n if (action != null) {\n navigation.dispatch({ source: route.key, ...action });\n }\n };\n\n const withStack = (callback: () => void) => {\n let isStackSet = false;\n\n try {\n if (\n process.env.NODE_ENV !== 'production' &&\n stackRef &&\n !stackRef.current\n ) {\n // Capture the stack trace for devtools\n stackRef.current = new Error().stack;\n isStackSet = true;\n }\n\n callback();\n } finally {\n if (isStackSet && stackRef) {\n stackRef.current = undefined;\n }\n }\n };\n\n const actions = {\n ...router.actionCreators,\n ...CommonActions,\n };\n\n const helpers = Object.keys(actions).reduce<Record<string, () => void>>(\n (acc, name) => {\n acc[name] = (...args: any) =>\n withStack(() =>\n // @ts-expect-error: name is a valid key, but TypeScript is dumb\n dispatch(actions[name](...args))\n );\n\n return acc;\n },\n {}\n );\n\n acc[route.key] = {\n ...base,\n ...helpers,\n // FIXME: too much work to fix the types for now\n ...(emitter.create(route.key) as any),\n dispatch: (thunk: Thunk) => withStack(() => dispatch(thunk)),\n getParent: (id?: string) => {\n if (id !== undefined && id === base.getId()) {\n // If the passed id is the same as the current navigation id,\n // we return the cached navigation object for the relevant route\n return acc[route.key];\n }\n\n return base.getParent(id);\n },\n setOptions: (options: object) => {\n setOptions((o) => ({\n ...o,\n [route.key]: { ...o[route.key], ...options },\n }));\n },\n isFocused: () => {\n const state = base.getState();\n\n if (state.routes[state.index].key !== route.key) {\n return false;\n }\n\n // If the current screen is focused, we also need to check if parent navigator is focused\n // This makes sure that we return the focus state in the whole tree, not just this navigator\n return navigation ? 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