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Migrate live chat to YouTube.js #3054

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merged 1 commit into from
Jan 13, 2023
Merged

Migrate live chat to YouTube.js #3054

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3 changes: 1 addition & 2 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,6 @@
"@fortawesome/free-brands-svg-icons": "^6.2.1",
"@fortawesome/free-solid-svg-icons": "^6.2.1",
"@fortawesome/vue-fontawesome": "^2.0.9",
"@freetube/youtube-chat": "^1.1.2",
"@freetube/yt-comment-scraper": "^6.2.0",
"@silvermine/videojs-quality-selector": "^1.2.5",
"autolinker": "^4.0.0",
Expand All @@ -77,7 +76,7 @@
"vue-observe-visibility": "^1.0.0",
"vue-router": "^3.6.5",
"vuex": "^3.6.2",
"youtubei.js": "^2.8.0",
"youtubei.js": "^2.9.0",
"yt-channel-info": "^3.2.1"
},
"devDependencies": {
Expand Down
207 changes: 125 additions & 82 deletions src/renderer/components/watch-video-live-chat/watch-video-live-chat.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,8 @@ import FtCard from '../ft-card/ft-card.vue'
import FtButton from '../ft-button/ft-button.vue'

import autolinker from 'autolinker'
import { LiveChat } from '@freetube/youtube-chat'
import { getRandomColorClass } from '../../helpers/colors'
import { stripHTML } from '../../helpers/utils'
import { getLocalVideoInfo, parseLocalTextRuns } from '../../helpers/api/local'

export default Vue.extend({
name: 'WatchVideoLiveChat',
Expand All @@ -15,23 +14,23 @@ export default Vue.extend({
'ft-card': FtCard,
'ft-button': FtButton
},
beforeRouteLeave: function () {
this.liveChat.stop()
this.hasEnded = true
},
props: {
liveChat: {
type: EventTarget,
default: null
},
videoId: {
type: String,
required: true
},
channelName: {
channelId: {
type: String,
required: true
}
},
data: function () {
return {
liveChat: null,
liveChatInstance: null,
isLoading: true,
hasError: false,
hasEnded: false,
Expand All @@ -43,15 +42,15 @@ export default Vue.extend({
comments: [],
superChatComments: [],
superChat: {
id: '',
author: {
name: '',
thumbnail: ''
thumbnailUrl: ''
},
message: [
''
],
message: '',
superChat: {
amount: ''
amount: '',
colorClass: ''
}
}
}
Expand All @@ -73,22 +72,24 @@ export default Vue.extend({
}
},

hideLiveChat: function () {
return this.$store.getters.getHideLiveChat
},

scrollingBehaviour: function () {
return this.$store.getters.getDisableSmoothScrolling ? 'auto' : 'smooth'
}
},
beforeDestroy: function () {
this.hasEnded = true
this.liveChatInstance?.stop()
this.liveChatInstance = null
},
created: function () {
if (!process.env.IS_ELECTRON) {
this.hasError = true
this.errorMessage = this.$t('Video["Live Chat is currently not supported in this build."]')
} else {
switch (this.backendPreference) {
case 'local':
this.getLiveChatLocal()
this.liveChatInstance = this.liveChat
this.startLiveChatLocal()
break
case 'invidious':
if (this.backendFallback) {
Expand All @@ -111,95 +112,137 @@ export default Vue.extend({
this.getLiveChatLocal()
},

getLiveChatLocal: function () {
this.liveChat = new LiveChat({ liveId: this.videoId })
getLiveChatLocal: async function () {
const videoInfo = await getLocalVideoInfo(this.videoId)
this.liveChatInstance = videoInfo.getLiveChat()

this.isLoading = false
this.startLiveChatLocal()
},

startLiveChatLocal: function () {
this.liveChatInstance.once('start', initialData => {
/**
* @type {import ('youtubei.js/dist/src/parser/index').LiveChatContinuation}
*/
const liveChatContinuation = initialData

const actions = liveChatContinuation.actions.filter(action => action.type === 'AddChatItemAction')

for (const { item } of actions) {
switch (item.type) {
case 'LiveChatTextMessage':
this.parseLiveChatComment(item)
break
case 'LiveChatPaidMessage':
this.parseLiveChatSuperChat(item)
}
}

this.liveChat.on('start', (liveId) => {
this.isLoading = false

setTimeout(() => {
this.$refs.liveChatComments?.scrollTo({
top: this.$refs.liveChatComments.scrollHeight,
behavior: 'instant'
})
})
})

this.liveChat.on('end', (reason) => {
console.error('Live chat has ended')
console.error(reason)
this.hasError = true
this.showEnableChat = false
this.errorMessage = this.$t('Video["Chat is disabled or the Live Stream has ended."]')
this.liveChatInstance.on('chat-update', action => {
if (this.hasEnded) {
return
}
if (action.type === 'AddChatItemAction') {
switch (action.item.type) {
case 'LiveChatTextMessage':
this.parseLiveChatComment(action.item)
break
case 'LiveChatPaidMessage':
this.parseLiveChatSuperChat(action.item)
break
}
}
})

this.liveChat.on('error', (err) => {
this.hasError = true
this.errorMessage = err
this.showEnableChat = false
this.liveChatInstance.once('end', () => {
this.hasEnded = true
this.liveChatInstance = null
})

this.liveChat.on('comment', (comment) => {
this.parseLiveChatComment(comment)
this.liveChatInstance.once('error', error => {
this.liveChatInstance.stop()
this.liveChatInstance = null
console.error(error)
this.errorMessage = error
this.hasError = true
this.isLoading = false
this.hasEnded = true
})

this.liveChat.start()
this.liveChatInstance.start()
},

/**
* @param {import('youtubei.js/dist/src/parser/classes/livechat/items/LiveChatTextMessage').default} comment
*/
parseLiveChatComment: function (comment) {
if (this.hasEnded) {
return
/**
* can also be undefined if there is no badge
* @type {import('youtubei.js/dist/src/parser/classes/LiveChatAuthorBadge').default}
*/
const badge = comment.author.badges.find(badge => badge.type === 'LiveChatAuthorBadge' && badge.custom_thumbnail)

const parsedComment = {
message: autolinker.link(parseLocalTextRuns(comment.message.runs, 20)),
author: {
name: comment.author.name.text,
thumbnailUrl: comment.author.thumbnails.at(-1).url,
isOwner: comment.author.id === this.channelId,
isModerator: comment.author.is_moderator,
isMember: !!badge
}
}

comment.messageHtml = ''

comment.message.forEach((text) => {
if (typeof text === 'undefined') return

if (typeof (text.navigationEndpoint) !== 'undefined') {
if (typeof (text.navigationEndpoint.watchEndpoint) !== 'undefined') {
const htmlRef = `<a href="https://www.youtube.com/watch?v=${text.navigationEndpoint.watchEndpoint.videoId}">${text.text}</a>`
comment.messageHtml = stripHTML(comment.messageHtml) + htmlRef
} else {
comment.messageHtml = stripHTML(comment.messageHtml + text.text)
}
} else if (typeof (text.alt) !== 'undefined') {
const htmlImg = `<img src="${text.url}" alt="${text.alt}" class="liveChatEmoji" height="24" width="24" />`
comment.messageHtml = stripHTML(comment.messageHtml) + htmlImg
} else {
comment.messageHtml = stripHTML(comment.messageHtml + text.text)
if (badge) {
parsedComment.badge = {
url: badge.custom_thumbnail.at(-1).url,
tooltip: badge.tooltip ?? ''
}
})

comment.messageHtml = autolinker.link(comment.messageHtml)

if (typeof this.$refs.liveChatComments === 'undefined' && typeof this.$refs.liveChatMessage === 'undefined') {
console.error("Can't find chat object. Stopping chat connection")
this.liveChat.stop()
return
}

this.comments.push(comment)

if (typeof (comment.superchat) !== 'undefined') {
comment.superchat.colorClass = getRandomColorClass()

this.superChatComments.unshift(comment)

setTimeout(() => {
this.removeFromSuperChat(comment.id)
}, 120000)
}
this.pushComment(parsedComment)
},

if (comment.author.name[0] === 'Ge' || comment.author.name[0] === 'Ne') {
comment.superChat = {
amount: '$5.00',
/**
* @param {import('youtubei.js/dist/src/parser/classes/livechat/items/LiveChatPaidMessage').default} superChat
*/
parseLiveChatSuperChat: function (superChat) {
const parsedComment = {
id: superChat.id,
message: autolinker.link(parseLocalTextRuns(superChat.message.runs, 20)),
author: {
name: superChat.author.name.text,
thumbnailUrl: superChat.author.thumbnails[0].url
},
superChat: {
amount: superChat.purchase_amount,
colorClass: getRandomColorClass()
}
}

this.superChatComments.unshift(comment)
this.superChatComments.unshift(parsedComment)

setTimeout(() => {
this.removeFromSuperChat(comment.id)
}, 120000)
}
setTimeout(() => {
this.removeFromSuperChat(parsedComment.id)
}, 120000)

this.pushComment(parsedComment)
},

pushComment: function (comment) {
this.comments.push(comment)

if (this.stayAtBottom) {
if (!this.isLoading && this.stayAtBottom) {
setTimeout(() => {
this.$refs.liveChatComments?.scrollTo({
top: this.$refs.liveChatComments.scrollHeight,
Expand Down
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