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diff --git a/src/components/rich_content/rich_content.jsx b/src/components/rich_content/rich_content.jsx
index 9466603cd7..599985c3bf 100644
--- a/src/components/rich_content/rich_content.jsx
+++ b/src/components/rich_content/rich_content.jsx
@@ -1,362 +1,377 @@
import { unescape, flattenDeep } from 'lodash'
import { getTagName, processTextForEmoji, getAttrs } from 'src/services/html_converter/utility.service.js'
import { convertHtmlToTree } from 'src/services/html_converter/html_tree_converter.service.js'
import { convertHtmlToLines } from 'src/services/html_converter/html_line_converter.service.js'
import StillImage from 'src/components/still-image/still-image.vue'
import MentionsLine from 'src/components/mentions_line/mentions_line.vue'
import { MENTIONS_LIMIT } from 'src/components/mentions_line/mentions_line.js'
import HashtagLink from 'src/components/hashtag_link/hashtag_link.vue'
import './rich_content.scss'
const MAYBE_LINE_BREAKING_ELEMENTS = [
'blockquote',
'br',
'hr',
'ul',
'ol',
'li',
'p',
'table',
'tbody',
'td',
'th',
'thead',
'tr',
'h1',
'h2',
'h3',
'h4',
'h5'
]
/**
* RichContent, The Über-powered component for rendering Post HTML.
*
* This takes post HTML and does multiple things to it:
* - Groups all mentions into <MentionsLine>, this affects all mentions regardles
* of where they are (beginning/middle/end), even single mentions are converted
* to a <MentionsLine> containing single <MentionLink>.
* - Replaces emoji shortcodes with <StillImage>'d images.
*
* There are two problems with this component's architecture:
* 1. Parsing HTML and rendering are inseparable. Attempts to separate the two
* proven to be a massive overcomplication due to amount of things done here.
* 2. We need to output both render and some extra data, which seems to be imp-
* possible in vue. Current solution is to emit 'parseReady' event when parsing
* is done within render() function.
*
* Apart from that one small hiccup with emit in render this _should_ be vue3-ready
*/
export default {
name: 'RichContent',
components: {
MentionsLine,
HashtagLink
},
props: {
// Original html content
html: {
required: true,
type: String
},
attentions: {
required: false,
default: () => []
},
// Emoji object, as in status.emojis, note the "s" at the end...
emoji: {
required: true,
type: Array
},
// Whether to handle links or not (posts: yes, everything else: no)
handleLinks: {
required: false,
type: Boolean,
default: false
},
// Meme arrows
greentext: {
required: false,
type: Boolean,
default: false
},
// Faint style (for notifs)
faint: {
required: false,
type: Boolean,
default: false
+ },
+ // Collapse newlines
+ collapse: {
+ required: false,
+ type: Boolean,
+ default: false
}
},
// NEVER EVER TOUCH DATA INSIDE RENDER
render () {
// Pre-process HTML
const { newHtml: html } = preProcessPerLine(this.html, this.greentext)
let currentMentions = null // Current chain of mentions, we group all mentions together
// This is used to recover spacing removed when parsing mentions
let lastSpacing = ''
const lastTags = [] // Tags that appear at the end of post body
const writtenMentions = [] // All mentions that appear in post body
const invisibleMentions = [] // All mentions that go beyond the limiter (see MentionsLine)
// to collapse too many mentions in a row
const writtenTags = [] // All tags that appear in post body
// unique index for vue "tag" property
let mentionIndex = 0
let tagsIndex = 0
const renderImage = (tag) => {
return <StillImage
{...getAttrs(tag)}
class="img"
/>
}
const renderHashtag = (attrs, children, encounteredTextReverse) => {
const { index, ...linkData } = getLinkData(attrs, children, tagsIndex++)
writtenTags.push(linkData)
if (!encounteredTextReverse) {
lastTags.push(linkData)
}
const { url, tag, content } = linkData
return <HashtagLink url={url} tag={tag} content={content}/>
}
const renderMention = (attrs, children) => {
const linkData = getLinkData(attrs, children, mentionIndex++)
linkData.notifying = this.attentions.some(a => a.statusnet_profile_url === linkData.url)
writtenMentions.push(linkData)
if (currentMentions === null) {
currentMentions = []
}
currentMentions.push(linkData)
if (currentMentions.length > MENTIONS_LIMIT) {
invisibleMentions.push(linkData)
}
if (currentMentions.length === 1) {
return <MentionsLine mentions={ currentMentions } />
} else {
return ''
}
}
// Processor to use with html_tree_converter
const processItem = (item, index, array, what) => {
// Handle text nodes - just add emoji
if (typeof item === 'string') {
const emptyText = item.trim() === ''
if (item.includes('\n')) {
currentMentions = null
}
if (emptyText) {
// don't include spaces when processing mentions - we'll include them
// in MentionsLine
lastSpacing = item
// Don't remove last space in a container (fixes poast mentions)
return (index !== array.length - 1) && (currentMentions !== null) ? item.trim() : item
}
currentMentions = null
if (item.includes(':')) {
item = ['', processTextForEmoji(
item,
this.emoji,
({ shortcode, url }) => {
return <StillImage
class="emoji img"
src={url}
title={`:${shortcode}:`}
alt={`:${shortcode}:`}
/>
}
)]
}
return item
}
// Handle tag nodes
if (Array.isArray(item)) {
const [opener, children, closer] = item
let Tag = getTagName(opener)
if (Tag.toLowerCase() === 'script') Tag = 'js-exploit'
if (Tag.toLowerCase() === 'style') Tag = 'css-exploit'
const fullAttrs = getAttrs(opener, () => true)
const attrs = getAttrs(opener)
const previouslyMentions = currentMentions !== null
/* During grouping of mentions we trim all the empty text elements
* This padding is added to recover last space removed in case
* we have a tag right next to mentions
*/
const mentionsLinePadding =
// Padding is only needed if we just finished parsing mentions
previouslyMentions &&
// Don't add padding if content is string and has padding already
!(children && typeof children[0] === 'string' && children[0].match(/^\s/))
? lastSpacing
: ''
if (MAYBE_LINE_BREAKING_ELEMENTS.includes(Tag)) {
// all the elements that can cause a line change
currentMentions = null
} else if (Tag === 'img') { // replace images with StillImage
return ['', [mentionsLinePadding, renderImage(opener)], '']
} else if (Tag === 'a' && this.handleLinks) { // replace mentions with MentionLink
if (fullAttrs.class && fullAttrs.class.includes('mention')) {
// Handling mentions here
return renderMention(attrs, children)
} else {
currentMentions = null
}
} else if (Tag === 'span') {
if (this.handleLinks && fullAttrs.class && fullAttrs.class.includes('h-card')) {
return ['', children.map(processItem), '']
}
}
if (children !== undefined) {
return [
'',
[
mentionsLinePadding,
[opener, children.map(processItem), closer]
],
''
]
} else {
return ['', [mentionsLinePadding, item], '']
}
}
}
// Processor for back direction (for finding "last" stuff, just easier this way)
let encounteredTextReverse = false
const processItemReverse = (item, index, array, what) => {
// Handle text nodes - just add emoji
if (typeof item === 'string') {
const emptyText = item.trim() === ''
if (emptyText) return item
if (!encounteredTextReverse) encounteredTextReverse = true
return unescape(item)
} else if (Array.isArray(item)) {
// Handle tag nodes
const [opener, children] = item
const Tag = opener === '' ? '' : getTagName(opener)
switch (Tag) {
case 'a': { // replace mentions with MentionLink
if (!this.handleLinks) break
const fullAttrs = getAttrs(opener, () => true)
const attrs = getAttrs(opener, () => true)
// should only be this
if (
(fullAttrs.class && fullAttrs.class.includes('hashtag')) || // Pleroma style
(fullAttrs.rel === 'tag') // Mastodon style
) {
return renderHashtag(attrs, children, encounteredTextReverse)
} else {
attrs.target = '_blank'
const newChildren = [...children].reverse().map(processItemReverse).reverse()
return <a {...attrs}>
{ newChildren }
</a>
}
}
case '':
return [...children].reverse().map(processItemReverse).reverse()
}
// Render tag as is
if (children !== undefined) {
const newChildren = Array.isArray(children)
? [...children].reverse().map(processItemReverse).reverse()
: children
return <Tag {...getAttrs(opener)}>
{ newChildren }
</Tag>
} else {
return <Tag/>
}
}
return item
}
const pass1 = convertHtmlToTree(html).map(processItem)
const pass2 = [...pass1].reverse().map(processItemReverse).reverse()
+
// DO NOT USE SLOTS they cause a re-render feedback loop here.
// slots updated -> rerender -> emit -> update up the tree -> rerender -> ...
// at least until vue3?
- const result = <span class={['RichContent', this.faint ? '-faint' : '']}>
- { pass2 }
+ const result =
+ <span class={['RichContent', this.faint ? '-faint' : '']}>
+ {
+ this.collapse
+ ? pass2.map(x => {
+ if (!Array.isArray(x)) return x.replace(/\n/g, ' ')
+ return x.map(y => y.type === 'br' ? ' ' : y)
+ })
+ : pass2
+ }
</span>
const event = {
lastTags,
writtenMentions,
writtenTags,
invisibleMentions
}
// DO NOT MOVE TO UPDATE. BAD IDEA.
this.$emit('parseReady', event)
return result
}
}
const getLinkData = (attrs, children, index) => {
const stripTags = (item) => {
if (typeof item === 'string') {
return item
} else {
return item[1].map(stripTags).join('')
}
}
const textContent = children.map(stripTags).join('')
return {
index,
url: attrs.href,
tag: attrs['data-tag'],
content: flattenDeep(children).join(''),
textContent
}
}
/** Pre-processing HTML
*
* Currently this does one thing:
* - add green/cyantexting
*
* @param {String} html - raw HTML to process
* @param {Boolean} greentext - whether to enable greentexting or not
*/
export const preProcessPerLine = (html, greentext) => {
const greentextHandle = new Set(['p', 'div'])
const lines = convertHtmlToLines(html)
const newHtml = lines.reverse().map((item, index, array) => {
if (!item.text) return item
const string = item.text
// Greentext stuff
if (
// Only if greentext is engaged
greentext &&
// Only handle p's and divs. Don't want to affect blockquotes, code etc
item.level.every(l => greentextHandle.has(l)) &&
// Only if line begins with '>' or '<'
(string.includes('&gt;') || string.includes('&lt;'))
) {
const cleanedString = string.replace(/<[^>]+?>/gi, '') // remove all tags
.replace(/@\w+/gi, '') // remove mentions (even failed ones)
.trim()
if (cleanedString.startsWith('&gt;')) {
return `<span class='greentext'>${string}</span>`
} else if (cleanedString.startsWith('&lt;')) {
return `<span class='cyantext'>${string}</span>`
}
}
return string
}).reverse().join('')
return { newHtml }
}
diff --git a/src/components/status_body/status_body.vue b/src/components/status_body/status_body.vue
index 1291533c91..0735e8d985 100644
--- a/src/components/status_body/status_body.vue
+++ b/src/components/status_body/status_body.vue
@@ -1,68 +1,69 @@
<template>
<div
class="StatusBody"
:class="{ '-compact': compact }"
>
<div class="body">
<div
v-if="status.summary_raw_html"
class="summary-wrapper"
:class="{ '-tall': (longSubject && !showingLongSubject) }"
>
<RichContent
class="media-body summary"
:faint="compact"
:html="status.summary_raw_html"
:emoji="status.emojis"
/>
<button
v-show="longSubject && showingLongSubject"
class="button-unstyled -link tall-subject-hider"
@click.prevent="toggleShowingLongSubject"
>
{{ $t("status.hide_full_subject") }}
</button>
<button
v-show="longSubject && !showingLongSubject"
class="button-unstyled -link tall-subject-hider"
@click.prevent="toggleShowingLongSubject"
>
{{ $t("status.show_full_subject") }}
</button>
</div>
<div
class="text-wrapper"
:class="{'-tall-status': hideTallStatus, '-expanded': showingMore}"
>
<RichContent
v-if="!hideSubjectStatus && !(singleLine && status.summary_raw_html)"
:class="{ '-single-line': singleLine }"
class="text media-body"
- :html="collapse ? collapsedStatus : status.raw_html"
+ :html="status.raw_html"
+ :collapse="collapse"
:emoji="status.emojis"
:handle-links="true"
:faint="compact"
:greentext="mergedConfig.greentext"
:attentions="status.attentions"
@parse-ready="onParseReady"
/>
<div
v-show="shouldShowToggle"
:class="toggleButtonClasses"
>
<button
class="btn button-default toggle-button"
:class="{ '-focused': focused }"
:aria-expanded="showingMore"
@click.prevent="toggleShowMore"
>
{{ toggleText }}
</button>
</div>
</div>
</div>
<slot v-if="!hideSubjectStatus" />
</div>
</template>
<script src="./status_body.js"></script>
<style lang="scss" src="./status_body.scss" />

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