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| import { useLocation, useNavigation, useSearchParams } from "@remix-run/react"; | |
| import { useCallback, useMemo } from "react"; | |
| export function useOptimisticSearchParams() { | |
| const location = useLocation(); | |
| const [searchParams, setSearchParams] = useSearchParams(); | |
| const navigation = useNavigation(); | |
| const nextSearchParams = useMemo(() => { | |
| if (navigation.location?.pathname === location.pathname) { | |
| return new URLSearchParams(navigation.location.search); | |
| } | |
| return undefined; | |
| }, [ | |
| location.pathname, | |
| navigation.location?.pathname, | |
| navigation.location?.search, | |
| ]); | |
| const optimisticSearchParams = nextSearchParams ?? searchParams; | |
| // When the set state function is called with a function, it needs to recieve | |
| // the optimistic search parameters. | |
| const setOptimisticSearchParams = useCallback<typeof setSearchParams>( | |
| (nextInit, navigateOptions) => { | |
| setSearchParams( | |
| typeof nextInit === "function" | |
| ? nextInit( | |
| // Pass `nextInit` a copy so it can safely mutate it. | |
| new URLSearchParams(optimisticSearchParams), | |
| ) | |
| : nextInit, | |
| navigateOptions, | |
| ); | |
| }, | |
| [optimisticSearchParams, setSearchParams], | |
| ); | |
| return [optimisticSearchParams, setOptimisticSearchParams] as const; | |
| } |
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