Makussu/subtracks
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do memoizing better

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austinried
2021-07-13 09:46:55 +09:00
parent 38530134fd
commit 13ae61f160
3 changed files with 20 additions and 24 deletions
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26
app/screens/Home.tsx
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@@ -10,9 +10,9 @@ import { useAtomValue } from 'jotai/utils'
import React from 'react'
import { ScrollView, StatusBar, StyleSheet, Text, View } from 'react-native'
const AlbumItem: React.FC<{
const AlbumItem = React.memo<{
album: AlbumListItem
}> = ({ album }) => {
}>(({ album }) => {
const navigation = useNavigation()
return (
@@ -34,13 +34,12 @@ const AlbumItem: React.FC<{
</Text>
</PressableOpacity>
)
}
const MemoAlbumItem = React.memo(AlbumItem)
})
const Category: React.FC<{
const Category = React.memo<{
name: string
type: string
}> = ({ name, type }) => {
}>(({ name, type }) => {
const state = albumLists[type]
const list = useAtomValue(state.listAtom)
const updating = useAtomValue(state.updatingAtom)
@@ -58,22 +57,21 @@ const Category: React.FC<{
style={styles.artScroll}
contentContainerStyle={styles.artScrollContent}>
{list.map(album => (
<MemoAlbumItem key={album.id} album={album} />
<AlbumItem key={album.id} album={album} />
))}
</ScrollView>
</View>
)
}
const MemoCategory = React.memo(Category)
})
const Home = () => (
<GradientScrollView style={styles.scroll} contentContainerStyle={styles.scrollContentContainer}>
<View style={styles.content}>
<MemoCategory name="Random Albums" type="random" />
<MemoCategory name="Newest Albums" type="newest" />
<MemoCategory name="Recent Albums" type="recent" />
<MemoCategory name="Frequent Albums" type="frequent" />
<MemoCategory name="Starred Albums" type="starred" />
<Category name="Random Albums" type="random" />
<Category name="Newest Albums" type="newest" />
<Category name="Recent Albums" type="recent" />
<Category name="Frequent Albums" type="frequent" />
<Category name="Starred Albums" type="starred" />
</View>
</GradientScrollView>
)