mirror of https://github.com/tooot-app/app
88 lines
2.4 KiB
TypeScript
88 lines
2.4 KiB
TypeScript
import Timeline from '@components/Timeline'
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import TimelineDefault from '@components/Timeline/Default'
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import { useNavigation } from '@react-navigation/native'
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import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
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import { findIndex } from 'lodash'
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import React, { useCallback, useEffect, useRef } from 'react'
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import { FlatList } from 'react-native'
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import { InfiniteQueryObserver, useQueryClient } from 'react-query'
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import { SharedTootProp } from './sharedScreens'
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const TabSharedToot: React.FC<SharedTootProp> = ({
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route: {
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params: { toot, rootQueryKey }
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}
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}) => {
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const queryKey: QueryKeyTimeline = [
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'Timeline',
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{ page: 'Toot', toot: toot.id }
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]
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const flRef = useRef<FlatList>(null)
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const scrolled = useRef(false)
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const navigation = useNavigation()
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const queryClient = useQueryClient()
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const observer = new InfiniteQueryObserver(queryClient, { queryKey })
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useEffect(() => {
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const unsubscribe = observer.subscribe(result => {
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if (result.isSuccess) {
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const flattenData = result.data?.pages
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? // @ts-ignore
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result.data.pages.flatMap(d => [...d.body])
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: []
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// Auto go back when toot page is empty
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if (flattenData.length === 0) {
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navigation.goBack()
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}
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if (!scrolled.current) {
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scrolled.current = true
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const pointer = findIndex(flattenData, ['id', toot.id])
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setTimeout(() => {
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flRef.current?.scrollToIndex({
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index: pointer === -1 ? 0 : pointer,
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viewOffset: 100
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})
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}, 500)
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}
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}
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})
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return () => unsubscribe()
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}, [])
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// Toot page auto scroll to selected toot
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const onScrollToIndexFailed = useCallback(error => {
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const offset = error.averageItemLength * error.index
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flRef.current?.scrollToOffset({ offset })
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setTimeout(
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() =>
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flRef.current?.scrollToIndex({ index: error.index, viewOffset: 100 }),
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350
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)
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}, [])
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const renderItem = useCallback(
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({ item }) => (
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<TimelineDefault
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item={item}
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queryKey={queryKey}
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rootQueryKey={rootQueryKey}
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highlighted={toot.id === item.id}
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/>
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),
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[]
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)
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return (
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<Timeline
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flRef={flRef}
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queryKey={queryKey}
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customProps={{ renderItem, onScrollToIndexFailed }}
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disableRefresh
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disableInfinity
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/>
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)
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}
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export default TabSharedToot
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