Page MenuHomePhorge
Files F85630391

No OneTemporary
Actions

Size
10 KB
Referenced Files
None
Subscribers
None

View Options

diff --git a/src/components/rich_content/rich_content.jsx b/src/components/rich_content/rich_content.jsx
index a489689bb0..ad77d61557 100644
--- a/src/components/rich_content/rich_content.jsx
+++ b/src/components/rich_content/rich_content.jsx
@@ -1,323 +1,324 @@
import Vue from 'vue'
import { unescape, flattenDeep } from 'lodash'
import { convertHtmlToTree, getTagName, processTextForEmoji, getAttrs } 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 MentionLink from 'src/components/mention_link/mention_link.vue'
import './rich_content.scss'
export default Vue.component('RichContent', {
name: 'RichContent',
props: {
// Original html content
html: {
required: true,
type: String
},
// 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
},
// Whether to hide last mentions (hellthreads)
hideMentions: {
required: false,
type: Boolean,
default: false
}
},
// NEVER EVER TOUCH DATA INSIDE RENDER
render (h) {
// Pre-process HTML
const { newHtml: html, lastMentions } = preProcessPerLine(this.html, this.greentext, this.hideMentions)
const firstMentions = [] // Mentions that appear in the beginning of post body
const lastTags = [] // Tags that appear at the end of post body
const writtenMentions = [] // All mentions that appear in post body
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
{...{ attrs: getAttrs(tag) }}
class="img"
/>
}
const renderHashtag = (attrs, children, encounteredTextReverse) => {
const linkData = getLinkData(attrs, children, tagsIndex++)
writtenTags.push(linkData)
attrs.target = '_blank'
if (!encounteredTextReverse) {
lastTags.push(linkData)
attrs['data-parser-last'] = true
}
return <a {...{ attrs }}>
{ children.map(processItem) }
</a>
}
const renderMention = (attrs, children, encounteredText) => {
const linkData = getLinkData(attrs, children, mentionIndex++)
writtenMentions.push(linkData)
if (!encounteredText) {
firstMentions.push(linkData)
return ''
} else {
return <MentionLink
url={attrs.href}
content={flattenDeep(children).join('')}
/>
}
}
// We stop treating mentions as "first" ones when we encounter
// non-whitespace text
let encounteredText = false
// 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 (emptyText) {
return encounteredText ? item : item.trim()
}
let unescapedItem = unescape(item)
if (!encounteredText) {
unescapedItem = unescapedItem.trimStart()
encounteredText = true
}
if (item.includes(':')) {
unescapedItem = processTextForEmoji(
unescapedItem,
this.emoji,
({ shortcode, url }) => {
return <StillImage
class="emoji img"
src={url}
title={`:${shortcode}:`}
alt={`:${shortcode}:`}
/>
}
)
}
return unescapedItem
}
// Handle tag nodes
if (Array.isArray(item)) {
const [opener, children] = item
const Tag = getTagName(opener)
const attrs = getAttrs(opener)
switch (Tag) {
case 'span': // replace images with StillImage
if (attrs['class'] && attrs['class'].includes('lastMentions')) {
if (firstMentions.length > 1) {
break
} else {
return ''
}
} else {
break
}
case 'img': // replace images with StillImage
return renderImage(opener)
case 'a': // replace mentions with MentionLink
if (!this.handleLinks) break
if (attrs['class'] && attrs['class'].includes('mention')) {
return renderMention(attrs, children, encounteredText)
} else if (attrs['class'] && attrs['class'].includes('hashtag')) {
+ encounteredText = true
return item // We'll handle it later
} else {
attrs.target = '_blank'
return <a {...{ attrs }}>
{ children.map(processItem) }
</a>
}
}
// Render tag as is
if (children !== undefined) {
return <Tag {...{ attrs: getAttrs(opener) }}>
{ children.map(processItem) }
</Tag>
} else {
return <Tag/>
}
}
}
// 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 encounteredTextReverse ? item : item.trim()
+ if (emptyText) return item
if (!encounteredTextReverse) encounteredTextReverse = true
return item
} else if (Array.isArray(item)) {
// Handle tag nodes
const [opener, children] = item
const Tag = getTagName(opener)
switch (Tag) {
case 'a': // replace mentions with MentionLink
if (!this.handleLinks) break
const attrs = getAttrs(opener)
// should only be this
if (attrs['class'] && attrs['class'].includes('hashtag')) {
return renderHashtag(attrs, children, encounteredTextReverse)
}
}
}
return item
}
// 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">
{ convertHtmlToTree(html).map(processItem).reverse().map(processItemReverse).reverse() }
</span>
const event = {
firstMentions,
lastMentions,
lastTags,
writtenMentions,
writtenTags
}
// DO NOT MOVE TO UPDATE. BAD IDEA.
this.$emit('parseReady', event)
return result
}
})
const getLinkData = (attrs, children, index) => {
return {
index,
url: attrs.href,
hashtag: attrs['data-tag'],
content: flattenDeep(children).join('')
}
}
/** Pre-processing HTML
*
* Currently this does two things:
* - add green/cyantexting
* - wrap and mark last line containing only mentions as ".lastMentionsLine" for
* more compact hellthreads.
*
* @param {String} html - raw HTML to process
* @param {Boolean} greentext - whether to enable greentexting or not
*/
export const preProcessPerLine = (html, greentext) => {
const lastMentions = []
let nonEmptyIndex = 0
const newHtml = convertHtmlToLines(html).reverse().map((item, index, array) => {
// Going over each line in reverse to detect last mentions,
// keeping non-text stuff as-is
if (!item.text) return item
const string = item.text
// Greentext stuff
if (greentext && (string.includes('&gt;') || string.includes('&lt;'))) {
const cleanedString = string.replace(/<[^>]+?>/gi, '') // remove all tags
.replace(/@\w+/gi, '') // remove mentions (even failed ones)
.trim()
if (cleanedString.startsWith('&gt;')) {
return `<span class='greentext'>${string}</span>`
} else if (cleanedString.startsWith('&lt;')) {
return `<span class='cyantext'>${string}</span>`
}
}
// Converting that line part into tree
const tree = convertHtmlToTree(string)
// If line has loose text, i.e. text outside a mention or a tag
// we won't touch mentions.
let hasLooseText = false
let hasMentions = false
const process = (item) => {
if (Array.isArray(item)) {
const [opener, children, closer] = item
const tag = getTagName(opener)
// If we have a link we probably have mentions
if (tag === 'a') {
const attrs = getAttrs(opener)
if (attrs['class'] && attrs['class'].includes('mention')) {
// Got mentions
hasMentions = true
return [opener, children, closer]
} else {
// Not a mention? Means we have loose text or whatever
hasLooseText = true
return [opener, children, closer]
}
} else if (tag === 'span' || tag === 'p') {
// For span and p we need to go deeper
return [opener, [...children].map(process), closer]
} else {
// Everything else equals to a loose text
hasLooseText = true
return [opener, children, closer]
}
}
if (typeof item === 'string') {
if (item.trim() !== '') {
// only meaningful strings are loose text
hasLooseText = true
}
return item
}
}
// We now processed our tree, now we need to mark line as lastMentions
const result = [...tree].map(process)
// Only check last (first since list is reversed) line
if (hasMentions && !hasLooseText && nonEmptyIndex++ === 0) {
let mentionIndex = 0
const process = (item) => {
if (Array.isArray(item)) {
const [opener, children] = item
const tag = getTagName(opener)
if (tag === 'a') {
const attrs = getAttrs(opener)
lastMentions.push(getLinkData(attrs, children, mentionIndex++))
} else if (children) {
children.forEach(process)
}
}
}
result.forEach(process)
// we DO need mentions here so that we conditionally remove them if don't
// have first mentions
return ['<span class="lastMentions">', flattenDeep(result).join(''), '</span>'].join('')
} else {
return flattenDeep(result).join('')
}
}).reverse().join('')
return { newHtml, lastMentions }
}

File Metadata

Mime Type
text/x-diff
Expires
Sun, Aug 9, 1:15 PM (1 d, 4 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1724579
Default Alt Text
(10 KB)

Event Timeline