58 lines
1.9 KiB
TypeScript
58 lines
1.9 KiB
TypeScript
import React, {useRef} from 'react'
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import {observer} from 'mobx-react-lite'
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import {Text, View, FlatList} from 'react-native'
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import {OnNavigateContent} from '../../routes/types'
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import {FeedViewModel, FeedViewItemModel} from '../../../state/models/feed-view'
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import {FeedItem} from './FeedItem'
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import {ShareBottomSheet} from '../sheets/SharePost'
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export const Feed = observer(function Feed({
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feed,
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onNavigateContent,
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}: {
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feed: FeedViewModel
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onNavigateContent: OnNavigateContent
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}) {
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const shareSheetRef = useRef<{open: (uri: string) => void}>()
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const onPressShare = (uri: string) => {
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shareSheetRef.current?.open(uri)
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}
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// TODO optimize renderItem or FeedItem, we're getting this notice from RN: -prf
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// VirtualizedList: You have a large list that is slow to update - make sure your
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// renderItem function renders components that follow React performance best practices
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// like PureComponent, shouldComponentUpdate, etc
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const renderItem = ({item}: {item: FeedViewItemModel}) => (
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<FeedItem
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item={item}
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onNavigateContent={onNavigateContent}
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onPressShare={onPressShare}
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/>
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)
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const onRefresh = () => {
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feed.refresh().catch(err => console.error('Failed to refresh', err))
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}
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const onEndReached = () => {
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feed.loadMore().catch(err => console.error('Failed to load more', err))
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}
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return (
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<View>
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{feed.isLoading && !feed.isRefreshing && !feed.hasContent && (
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<Text>Loading...</Text>
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)}
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{feed.hasError && <Text>{feed.error}</Text>}
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{feed.hasContent && (
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<FlatList
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data={feed.feed}
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keyExtractor={item => item._reactKey}
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renderItem={renderItem}
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refreshing={feed.isRefreshing}
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onRefresh={onRefresh}
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onEndReached={onEndReached}
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/>
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)}
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{feed.isEmpty && <Text>This feed is empty!</Text>}
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<ShareBottomSheet ref={shareSheetRef} />
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</View>
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)
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})
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