diff options
Diffstat (limited to '')
| -rw-r--r-- | src/hooks/useFavorites.ts | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/src/hooks/useFavorites.ts b/src/hooks/useFavorites.ts index 46b6e77..24684aa 100644 --- a/src/hooks/useFavorites.ts +++ b/src/hooks/useFavorites.ts @@ -1,31 +1,46 @@ -import {useEffect, useState} from 'react'; import {useAsyncStorage} from '@react-native-async-storage/async-storage'; import {useStableCallback} from './useStableCallback'; +import {atom, useAtom} from 'jotai'; + +const favoriteAppNamesAtom = atom<string[]>([]); + +const serialize = (packageNames: string[]) => JSON.stringify(packageNames); + +const deserialize = (packageNames: string): string[] => { + try { + const apps = JSON.parse(packageNames); + if (!Array.isArray(apps)) return []; + return apps; + } catch (err) { + console.error(err); + return []; + } +}; export const useFavorites = () => { const favoritesStorage = useAsyncStorage('favorites'); - const [favoriteAppNames, setFavoriteAppNames] = useState<string[]>([]); + const [favoriteAppNames, setFavoriteAppNames] = useAtom(favoriteAppNamesAtom); const getFavoriteAppNames = useStableCallback(async (): Promise<string[]> => { - try { - const result = await favoritesStorage.getItem(); - const apps = result ? JSON.parse(result) : []; - if (!Array.isArray(apps)) return []; - return apps; - } catch (err) { - console.error(err); - return []; - } + const result = await favoritesStorage.getItem(); + return deserialize(result ?? 'null'); }); - const refreshFavorites = useStableCallback(async () => { - getFavoriteAppNames().then(setFavoriteAppNames); + const setFavoritesState = useStableCallback((packageNames: string[]) => { + const newNames = [...new Set(packageNames)]; + if (serialize(newNames) === serialize(favoriteAppNames)) return newNames; + + setFavoriteAppNames(newNames); + return newNames; }); - const setFavorites = useStableCallback(async (names: string[]) => { - const newNames = [...new Set(names)]; - await favoritesStorage.setItem(JSON.stringify(newNames)); - refreshFavorites(); + const setFavorites = useStableCallback(async (packageNames: string[]) => { + const newNames = setFavoritesState(packageNames); + await favoritesStorage.setItem(serialize(newNames)); + }); + + const refreshFavorites = useStableCallback(async () => { + getFavoriteAppNames().then(setFavoritesState); }); const addToFavorites = useStableCallback(async (packageName: string) => { @@ -41,10 +56,6 @@ export const useFavorites = () => { favoriteAppNames.includes(packageName), ); - useEffect(() => { - refreshFavorites(); - }, [refreshFavorites]); - return { addToFavorites, favoriteAppNames, |
