mirror of https://github.com/tooot-app/app
98 lines
2.7 KiB
TypeScript
98 lines
2.7 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 { TabSharedStackScreenProps } from '@utils/navigation/navigators'
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import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
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import React, { useEffect, useRef, useState } 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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const TabSharedToot: React.FC<TabSharedStackScreenProps<'Tab-Shared-Toot'>> = ({
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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 [itemsLength, setItemsLength] = useState(0)
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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, {
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queryKey,
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enabled: false
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})
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useEffect(() => {
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return 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 < 1) {
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navigation.goBack()
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return
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}
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setItemsLength(flattenData.length)
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if (!scrolled.current) {
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scrolled.current = true
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const pointer = flattenData.findIndex(({ id }) => id === toot.id)
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if (pointer < 1) return
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try {
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setTimeout(() => {
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flRef.current?.scrollToIndex({
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index: pointer,
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viewOffset: 100
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})
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}, 500)
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} catch (error) {
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return
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}
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}
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}
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})
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}, [scrolled.current])
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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={{
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renderItem: ({ 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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onScrollToIndexFailed: error => {
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const offset = error.averageItemLength * error.index
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flRef.current?.scrollToOffset({ offset })
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try {
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error.index < itemsLength &&
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setTimeout(
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() =>
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flRef.current?.scrollToIndex({
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index: error.index,
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viewOffset: 100
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}),
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500
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)
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} catch {}
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}
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}}
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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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