[WIP] MUCH better approach to replacing emojis with still versions

This commit is contained in:
Henry Jameson 2021-06-07 03:14:48 +03:00
parent 2725a0c639
commit 20ce646852
9 changed files with 350 additions and 14 deletions

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@ -1,5 +1,5 @@
{
"presets": ["@babel/preset-env"],
"plugins": ["@babel/plugin-transform-runtime", "lodash", "@vue/babel-plugin-transform-vue-jsx"],
"presets": ["@babel/preset-env", "@vue/babel-preset-jsx"],
"plugins": ["@babel/plugin-transform-runtime", "lodash"],
"comments": false
}

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@ -47,8 +47,8 @@
"@babel/preset-env": "^7.7.6",
"@babel/register": "^7.7.4",
"@ungap/event-target": "^0.1.0",
"@vue/babel-helper-vue-jsx-merge-props": "^1.0.0",
"@vue/babel-plugin-transform-vue-jsx": "^1.1.2",
"@vue/babel-helper-vue-jsx-merge-props": "^1.2.1",
"@vue/babel-preset-jsx": "^1.2.4",
"@vue/test-utils": "^1.0.0-beta.26",
"autoprefixer": "^6.4.0",
"babel-eslint": "^7.0.0",

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@ -0,0 +1,66 @@
import Vue from 'vue'
import { mapGetters } from 'vuex'
import { processHtml } from 'src/services/tiny_post_html_processor/tiny_post_html_processor.service.js'
import { convertHtml, getTagName, processTextForEmoji, getAttrs } from 'src/services/mini_html_converter/mini_html_converter.service.js'
import { mentionMatchesUrl, extractTagFromUrl } from 'src/services/matcher/matcher.service.js'
import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
import StillImage from 'src/components/still-image/still-image.vue'
import './rich_content.scss'
export default Vue.component('RichContent', {
name: 'RichContent',
props: {
html: {
required: true,
type: String
},
emoji: {
required: true,
type: Array
}
},
render (h) {
const renderImage = (tag) => {
return <StillImage {...{ attrs: getAttrs(tag) }} />
}
const structure = convertHtml(this.html)
const processItem = (item) => {
if (typeof item === 'string') {
if (item.includes(':')) {
return processTextForEmoji(
item,
this.emoji,
({ shortcode, url }) => {
return <StillImage
class="emoji"
src={url}
title={`:${shortcode}:`}
alt={`:${shortcode}:`}
/>
}
)
} else {
return item
}
}
if (Array.isArray(item)) {
const [opener, children] = item
const Tag = getTagName(opener)
if (Tag === 'img') {
return renderImage(opener)
}
if (children !== undefined) {
return <Tag {...{ attrs: getAttrs(opener) }}>
{ children.map(processItem) }
</Tag>
} else {
return <Tag/>
}
}
}
return <div>
{ structure.map(processItem) }
</div>
}
})

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@ -1,6 +1,7 @@
import Attachment from '../attachment/attachment.vue'
import Poll from '../poll/poll.vue'
import Gallery from '../gallery/gallery.vue'
import RichContent from 'src/components/rich_content/rich_content.jsx'
import LinkPreview from '../link-preview/link-preview.vue'
import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
import fileType from 'src/services/file_type/file_type.service'
@ -125,7 +126,7 @@ const StatusContent = {
return this.mergedConfig.maxThumbnails
},
postBodyHtml () {
const html = this.status.statusnet_html
const html = this.status.raw_html
if (this.mergedConfig.greentext) {
try {
@ -164,7 +165,8 @@ const StatusContent = {
Attachment,
Poll,
Gallery,
LinkPreview
LinkPreview,
RichContent
},
methods: {
linkClicked (event) {

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@ -1,5 +1,4 @@
<template>
<!-- eslint-disable vue/no-v-html -->
<div class="StatusContent">
<slot name="header" />
<div
@ -7,11 +6,11 @@
class="summary-wrapper"
:class="{ 'tall-subject': (longSubject && !showingLongSubject) }"
>
<div
<RichContent
class="media-body summary"
@click.prevent="linkClicked"
v-html="status.summary_html"
/>
:html="status.summary_raw_html"
:emoji="status.emojis"/>
<button
v-if="longSubject && showingLongSubject"
class="button-unstyled -link tall-subject-hider"
@ -40,13 +39,13 @@
>
{{ $t("general.show_more") }}
</button>
<div
<RichContent
v-if="!hideSubjectStatus"
:class="{ 'single-line': singleLine }"
class="status-content media-body"
@click.prevent="linkClicked"
v-html="postBodyHtml"
/>
:html="postBodyHtml"
:emoji="status.emojis"/>
<button
v-if="hideSubjectStatus"
class="button-unstyled -link cw-status-hider"
@ -127,7 +126,6 @@
</div>
<slot name="footer" />
</div>
<!-- eslint-enable vue/no-v-html -->
</template>
<script src="./status_content.js" ></script>

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@ -267,6 +267,8 @@ export const parseStatus = (data) => {
output.nsfw = data.sensitive
output.statusnet_html = addEmojis(data.content, data.emojis)
output.raw_html = data.content
output.emojis = data.emojis
output.tags = data.tags
@ -293,6 +295,7 @@ export const parseStatus = (data) => {
output.retweeted_status = parseStatus(data.reblog)
}
output.summary_raw_html = escape(data.spoiler_text)
output.summary_html = addEmojis(escape(data.spoiler_text), data.emojis)
output.external_url = data.url
output.poll = data.poll

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@ -0,0 +1,137 @@
/**
* This is a not-so-tiny purpose-built HTML parser/processor. It was made for use
* with StatusText component for purpose of replacing tags with vue components
*
* known issue: doesn't handle CDATA so nested CDATA might not work well
*
* @param {Object} input - input data
* @param {(string) => string} lineProcessor - function that will be called on every line
* @param {{ key[string]: (string) => string}} tagProcessor - map of processors for tags
* @return {string} processed html
*/
export const convertHtml = (html) => {
// Elements that are implicitly self-closing
// https://developer.mozilla.org/en-US/docs/Glossary/empty_element
const emptyElements = new Set([
'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input',
'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
])
// TODO For future - also parse HTML5 multi-source components?
const buffer = [] // Current output buffer
const levels = [['', buffer]] // How deep we are in tags and which tags were there
let textBuffer = '' // Current line content
let tagBuffer = null // Current tag buffer, if null = we are not currently reading a tag
const getCurrentBuffer = () => {
return levels[levels.length - 1][1]
}
const flushText = () => { // Processes current line buffer, adds it to output buffer and clears line buffer
if (textBuffer === '') return
getCurrentBuffer().push(textBuffer)
textBuffer = ''
}
const handleSelfClosing = (tag) => {
getCurrentBuffer().push([tag])
}
const handleOpen = (tag) => {
const curBuf = getCurrentBuffer()
const newLevel = [tag, []]
levels.push(newLevel)
curBuf.push(newLevel)
}
const handleClose = (tag) => {
const currentTag = levels[levels.length - 1]
if (getTagName(levels[levels.length - 1][0]) === getTagName(tag)) {
currentTag.push(tag)
levels.pop()
} else {
getCurrentBuffer().push(tag)
}
}
for (let i = 0; i < html.length; i++) {
const char = html[i]
if (char === '<' && tagBuffer === null) {
flushText()
tagBuffer = char
} else if (char !== '>' && tagBuffer !== null) {
tagBuffer += char
} else if (char === '>' && tagBuffer !== null) {
tagBuffer += char
const tagFull = tagBuffer
tagBuffer = null
const tagName = getTagName(tagFull)
if (tagFull[1] === '/') {
handleClose(tagFull)
} else if (emptyElements.has(tagName) || tagFull[tagFull.length - 2] === '/') {
// self-closing
handleSelfClosing(tagFull)
} else {
handleOpen(tagFull)
}
} else {
textBuffer += char
}
}
if (tagBuffer) {
textBuffer += tagBuffer
}
flushText()
return buffer
}
// Extracts tag name from tag, i.e. <span a="b"> => span
export const getTagName = (tag) => {
const result = /(?:<\/(\w+)>|<(\w+)\s?.*?\/?>)/gi.exec(tag)
return result && (result[1] || result[2])
}
export const processTextForEmoji = (text, emojis, processor) => {
const buffer = []
let textBuffer = ''
for (let i = 0; i < text.length; i++) {
const char = text[i]
if (char === ':') {
const next = text.slice(i + 1)
let found = false
for (let emoji of emojis) {
if (next.slice(0, emoji.shortcode.length + 1) === (emoji.shortcode + ':')) {
found = emoji
break
}
}
if (found) {
buffer.push(textBuffer)
textBuffer = ''
buffer.push(processor(found))
i += found.shortcode.length + 1
} else {
textBuffer += char
}
} else {
textBuffer += char
}
}
return buffer
}
export const getAttrs = tag => {
const innertag = tag
.substring(1, tag.length - 1)
.replace(new RegExp('^' + getTagName(tag)), '')
.replace(/\/?$/, '')
.trim()
const attrs = Array.from(innertag.matchAll(/([a-z0-9-]+)(?:=(?:"([^"]+?)"|'([^']+?)'))?/gi))
.map(([trash, key, value]) => [key, value])
.map(([k, v]) => {
if (!v) return [k, true]
return [k, v]
})
return Object.fromEntries(attrs)
}

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@ -0,0 +1,130 @@
import { convertHtml, processTextForEmoji } from 'src/services/mini_html_converter/mini_html_converter.service.js'
describe('MiniHtmlConverter', () => {
describe('convertHtml', () => {
it('converts html into a tree structure', () => {
const inputOutput = '1 <p>2</p> <b>3<img src="a">4</b>5'
expect(convertHtml(inputOutput)).to.eql([
'1 ',
[
'<p>',
['2'],
'</p>'
],
' ',
[
'<b>',
[
'3',
['<img src="a">'],
'4'
],
'</b>'
],
'5'
])
})
it('converts html to tree while preserving tag formatting', () => {
const inputOutput = '1 <p >2</p><b >3<img src="a">4</b>5'
expect(convertHtml(inputOutput)).to.eql([
'1 ',
[
'<p >',
['2'],
'</p>'
],
[
'<b >',
[
'3',
['<img src="a">'],
'4'
],
'</b>'
],
'5'
])
})
it('converts semi-broken html', () => {
const inputOutput = '1 <br> 2 <p> 42'
expect(convertHtml(inputOutput)).to.eql([
'1 ',
['<br>'],
' 2 ',
[
'<p>',
[' 42']
]
])
})
it('realistic case', () => {
const inputOutput = '<p><span class="h-card"><a class="u-url mention" data-user="9wRC6T2ZZiKWJ0vUi8" href="https://cawfee.club/users/benis" rel="ugc">@<span>benis</span></a></span> <span class="h-card"><a class="u-url mention" data-user="194" href="https://shigusegubu.club/users/hj" rel="ugc">@<span>hj</span></a></span> nice</p>'
expect(convertHtml(inputOutput)).to.eql([
[
'<p>',
[
[
'<span class="h-card">',
[
[
'<a class="u-url mention" data-user="9wRC6T2ZZiKWJ0vUi8" href="https://cawfee.club/users/benis" rel="ugc">',
[
'@',
[
'<span>',
[
'benis'
],
'</span>'
]
],
'</a>'
]
],
'</span>'
],
' ',
[
'<span class="h-card">',
[
[
'<a class="u-url mention" data-user="194" href="https://shigusegubu.club/users/hj" rel="ugc">',
[
'@',
[
'<span>',
[
'hj'
],
'</span>'
]
],
'</a>'
]
],
'</span>'
],
' nice'
],
'</p>'
]
])
})
})
describe('processTextForEmoji', () => {
it('processes all emoji in text', () => {
const inputOutput = 'Hello from finland! :lol: We have best water! :lmao:'
const emojis = [
{ shortcode: 'lol', src: 'LOL' },
{ shortcode: 'lmao', src: 'LMAO' }
]
const processor = ({ shortcode, src }) => ({ shortcode, src })
expect(processTextForEmoji(inputOutput, emojis, processor)).to.eql([
'Hello from finland! ',
{ shortcode: 'lol', src: 'LOL' },
' We have best water! ',
{ shortcode: 'lmao', src: 'LMAO' }
])
})
})
})