2021-01-03 02:00:26 +01:00
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import Icon from '@components/Icon'
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2021-01-01 16:48:16 +01:00
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import openLink from '@components/openLink'
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2021-01-01 17:52:14 +01:00
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import ParseEmojis from '@components/Parse/Emojis'
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2021-01-10 02:12:14 +01:00
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import { useNavigation, useRoute } from '@react-navigation/native'
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2021-01-24 02:25:43 +01:00
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import { StackNavigationProp } from '@react-navigation/stack'
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2022-04-29 23:57:18 +02:00
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import { TabLocalStackParamList } from '@utils/navigation/navigators'
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2022-12-26 01:06:33 +01:00
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import { useFollowedTagsQuery } from '@utils/queryHooks/tags'
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2021-03-10 10:22:53 +01:00
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import { getSettingsFontsize } from '@utils/slices/settingsSlice'
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2021-03-10 11:49:14 +01:00
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import { StyleConstants } from '@utils/styles/constants'
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2021-01-12 00:12:44 +01:00
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import layoutAnimation from '@utils/styles/layoutAnimation'
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import { adaptiveScale } from '@utils/styles/scaling'
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import { useTheme } from '@utils/styles/ThemeManager'
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2022-12-26 01:06:33 +01:00
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import { ChildNode } from 'domhandler'
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import { ElementType, parseDocument } from 'htmlparser2'
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2022-12-11 14:08:27 +01:00
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import { isEqual } from 'lodash'
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2022-12-26 01:06:33 +01:00
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import React, { useState } from 'react'
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2021-01-19 01:13:45 +01:00
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import { useTranslation } from 'react-i18next'
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2022-12-26 01:06:33 +01:00
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import { Pressable, Text, TextStyleIOS, View } from 'react-native'
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2021-03-10 10:22:53 +01:00
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import { useSelector } from 'react-redux'
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2020-11-23 00:07:32 +01:00
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2020-10-31 21:04:46 +01:00
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export interface Props {
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content: string
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size?: 'S' | 'M' | 'L'
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textStyles?: TextStyleIOS
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adaptiveSize?: boolean
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emojis?: Mastodon.Emoji[]
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mentions?: Mastodon.Mention[]
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tags?: Mastodon.Tag[]
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showFullLink?: boolean
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numberOfLines?: number
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expandHint?: string
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highlighted?: boolean
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disableDetails?: boolean
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selectable?: boolean
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setSpoilerExpanded?: React.Dispatch<React.SetStateAction<boolean>>
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}
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2021-03-13 17:56:57 +01:00
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const ParseHTML = React.memo(
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({
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content,
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size = 'M',
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textStyles,
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adaptiveSize = false,
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emojis,
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mentions,
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tags,
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showFullLink = false,
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numberOfLines = 10,
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expandHint,
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highlighted = false,
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disableDetails = false,
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selectable = false,
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setSpoilerExpanded
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}: Props) => {
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const adaptiveFontsize = useSelector(getSettingsFontsize)
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const adaptedFontsize = adaptiveScale(
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StyleConstants.Font.Size[size],
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adaptiveSize ? adaptiveFontsize : 0
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)
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const adaptedLineheight = adaptiveScale(
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StyleConstants.Font.LineHeight[size],
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adaptiveSize ? adaptiveFontsize : 0
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)
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const navigation = useNavigation<StackNavigationProp<TabLocalStackParamList>>()
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const { params } = useRoute()
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const { colors } = useTheme()
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const { t } = useTranslation('componentParse')
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if (!expandHint) {
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expandHint = t('HTML.defaultHint')
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}
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if (disableDetails) {
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numberOfLines = 4
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}
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const followedTags = useFollowedTagsQuery()
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const [totalLines, setTotalLines] = useState<number>()
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const [expanded, setExpanded] = useState(highlighted)
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const document = parseDocument(content)
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const unwrapNode = (node: ChildNode): string => {
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switch (node.type) {
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case ElementType.Text:
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return node.data
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case ElementType.Tag:
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if (node.name === 'span') {
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if (node.attribs.class?.includes('invisible')) return ''
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if (node.attribs.class?.includes('ellipsis'))
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return node.children.map(child => unwrapNode(child)).join('') + '...'
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}
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return node.children.map(child => unwrapNode(child)).join('')
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default:
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return ''
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}
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}
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const renderNode = (node: ChildNode, index: number) => {
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switch (node.type) {
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case ElementType.Text:
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return (
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<ParseEmojis
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key={index}
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content={node.data}
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emojis={emojis}
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size={size}
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adaptiveSize={adaptiveSize}
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/>
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)
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case ElementType.Tag:
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switch (node.name) {
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case 'a':
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const classes = node.attribs.class
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const href = node.attribs.href
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if (classes) {
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if (classes.includes('hashtag')) {
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const tag = href.match(new RegExp(/\/tags?\/(.*)/, 'i'))?.[1]
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const paramsHashtag = (params as { hashtag: Mastodon.Tag['name'] } | undefined)
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?.hashtag
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const sameHashtag = paramsHashtag === tag
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const isFollowing = followedTags.data?.pages[0]?.body.find(t => t.name === tag)
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return (
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<Text
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key={index}
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style={[
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{ color: tag?.length ? colors.blue : colors.red },
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isFollowing
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? {
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textDecorationColor: tag?.length ? colors.blue : colors.red,
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textDecorationLine: 'underline',
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textDecorationStyle: 'dotted'
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}
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: null
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]}
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onPress={() =>
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tag?.length &&
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!disableDetails &&
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!sameHashtag &&
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navigation.push('Tab-Shared-Hashtag', { hashtag: tag })
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}
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children={node.children.map(unwrapNode).join('')}
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/>
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)
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}
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if (classes.includes('mention') && mentions?.length) {
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const mentionIndex = mentions.findIndex(mention => mention.url === href)
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const paramsAccount = (params as { account: Mastodon.Account } | undefined)
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?.account
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const sameAccount = paramsAccount?.id === mentions[mentionIndex]?.id
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return (
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<Text
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key={index}
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style={{ color: mentionIndex > -1 ? colors.blue : undefined }}
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onPress={() =>
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mentionIndex > -1 &&
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!disableDetails &&
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!sameAccount &&
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navigation.push('Tab-Shared-Account', { account: mentions[mentionIndex] })
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}
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children={node.children.map(unwrapNode).join('')}
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/>
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)
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}
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}
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const content = node.children.map(child => unwrapNode(child)).join('')
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const shouldBeTag = tags && tags.find(tag => `#${tag.name}` === content)
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return (
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<Text
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key={index}
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style={{ color: colors.blue }}
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onPress={async () => {
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if (!disableDetails) {
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if (shouldBeTag) {
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navigation.push('Tab-Shared-Hashtag', {
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hashtag: content.substring(1)
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})
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} else {
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await openLink(href, navigation)
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}
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}
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}}
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children={content !== href ? content : showFullLink ? href : content}
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/>
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)
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break
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case 'p':
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if (index < document.children.length - 1) {
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return (
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<Text key={index}>
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{node.children.map((c, i) => renderNode(c, i))}
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<Text style={{ lineHeight: adaptedLineheight / 2 }}>{'\n\n'}</Text>
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</Text>
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)
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} else {
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return <Text key={index} children={node.children.map((c, i) => renderNode(c, i))} />
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}
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default:
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return <Text key={index} children={node.children.map((c, i) => renderNode(c, i))} />
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}
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}
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return null
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}
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return (
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<View style={{ overflow: 'hidden' }}>
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{(!disableDetails && typeof totalLines === 'number') || numberOfLines === 1 ? (
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<Pressable
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accessibilityLabel={t('HTML.accessibilityHint')}
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onPress={() => {
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layoutAnimation()
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setExpanded(!expanded)
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if (setSpoilerExpanded) {
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setSpoilerExpanded(!expanded)
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}
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}}
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style={{
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flexDirection: 'row',
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justifyContent: 'center',
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alignItems: 'center',
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minHeight: 44,
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backgroundColor: colors.backgroundDefault
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}}
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>
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<Text
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style={{
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textAlign: 'center',
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...StyleConstants.FontStyle.S,
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color: colors.primaryDefault,
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marginRight: StyleConstants.Spacing.S
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}}
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children={t('HTML.expanded', {
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hint: expandHint,
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moreLines:
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numberOfLines > 1 && typeof totalLines === 'number'
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? t('HTML.moreLines', { count: totalLines - numberOfLines })
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: ''
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})}
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/>
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<Icon
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name={expanded ? 'Minimize2' : 'Maximize2'}
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color={colors.primaryDefault}
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strokeWidth={2}
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size={StyleConstants.Font.Size[size]}
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/>
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</Pressable>
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) : null}
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<Text
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children={document.children.map(renderNode)}
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onTextLayout={({ nativeEvent }) => {
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if (numberOfLines === 1 || nativeEvent.lines.length >= numberOfLines + 5) {
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setTotalLines(nativeEvent.lines.length)
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}
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}}
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style={{
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fontSize: adaptedFontsize,
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lineHeight: adaptedLineheight,
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...textStyles,
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height: numberOfLines === 1 && !expanded ? 0 : undefined
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}}
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numberOfLines={
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typeof totalLines === 'number' ? (expanded ? 999 : numberOfLines) : undefined
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}
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selectable={selectable}
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/>
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</View>
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)
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},
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(prev, next) => prev.content === next.content && isEqual(prev.emojis, next.emojis)
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)
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2020-10-28 00:02:37 +01:00
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export default ParseHTML
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