Don't error when tabs are missing

README.md

@@ -77,6 +77,7 @@ ytch.getChannelInfo(payload).then((response) => {
  isOfficialArtist: Boolean,
  tags: Array[String], // Will return null if none exist
  channelIdType: Number, 
+ channelTabs: Array[String], // The tabs that are displayed on the channel (e.g., Videos, Playlists)
  alertMessage: String, // Will return a response alert message if any (e.g., "This channel does not exist."). Otherwise undefined
  channelLinks: {
  primaryLinks: Array[Object],

app/fetchers/playlist.js

@@ -1,3 +1,4 @@
+const YoutubeGrabberHelper = require('../helper')
 const helper = require('../helper')
 
 class PlaylistFetcher {
@@ -24,19 +25,33 @@ class PlaylistFetcher {
  if (typeof (channelPageDataResponse) === 'undefined') {
  channelPageDataResponse = response.data[1].response
  }
- const channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
- const channelName = channelMetaData.title
- const channelId = channelMetaData.externalId
+ if (typeof (channelPageDataResponse.alerts) !== 'undefined') {
+ return {
+ alertMessage: channelPageDataResponse.alerts[0].alertRenderer.text.simpleText
+ }
+ }
+ let channelName
+ let channelMetaData
+ let channelId
+ if ('metadata' in channelPageDataResponse) {
+ channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
+ channelName = channelMetaData.title
+ channelId = channelMetaData.externalId
+ }
  const ytGrabHelp = helper.create(httpAgent)
 
  const channelInfo = {
  channelId: channelId,
  channelName: channelName,
  channelUrl: `https://www.youtube.com/channel/${channelId}`
  }
+ let playlistData
+ const playlistTab = YoutubeGrabberHelper.findTab(channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs)
 
- const playlistData = channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs[2].tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0].gridRenderer
-
+ if (playlistTab && 'sectionListRenderer' in playlistTab.tabRenderer.content) {
+ const tabRenderer = playlistTab.tabRenderer
+ playlistData = tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0].gridRenderer
+ }
  if (typeof (playlistData) === 'undefined') {
  return {
  continuation: null,

app/helper.js

@@ -64,11 +64,18 @@ class YoutubeGrabberHelper {
  alertMessage: channelPageDataResponse.alerts[0].alertRenderer.text.simpleText
  }
  }
+ let channelMetaData
+ let channelName
+ if ('metadata' in channelPageDataResponse) {
+ channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
+ channelName = channelMetaData.title
+ }
+ const videoTab = YoutubeGrabberHelper.findTab(channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs)
 
- const channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
- const channelName = channelMetaData.title
- const channelVideoData = channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs[1].tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0].gridRenderer
-
+ let channelVideoData
+ if (videoTab && 'sectionListRenderer' in videoTab.tabRenderer.content) {
+  channelVideoData = videoTab.tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0].gridRenderer
+ }
  if (typeof (channelVideoData) === 'undefined') {
  // Channel has no videos
  return {
@@ -116,7 +123,7 @@ class YoutubeGrabberHelper {
  const channelUrl = author.navigationEndpoint.browseEndpoint.canonicalBaseUrl
  const thumbnail = author.thumbnail.thumbnails
  let videoCount = 0
- if ('videoCout' in author) {
+ if ('videoCountText' in author) {
  videoCount = author.videoCountText.runs[0].text
  }
  let subscriberText
@@ -294,9 +301,20 @@ class YoutubeGrabberHelper {
 
  // Parse the JSON data and get the relevent array with data
  let contentDataJSON = JSON.parse(contentDataString)
- contentDataJSON = contentDataJSON.contents.twoColumnBrowseResultsRenderer.tabs[3].tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer
- if ('continuationItemRenderer' in contentDataJSON.contents[contentDataJSON.contents.length - 1]) {
- return { items: this.createCommunityPostArray(contentDataJSON.contents), continuation: contentDataJSON.contents[contentDataJSON.contents.length - 1].continuationItemRenderer.continuationEndpoint.continuationCommand.token, innerTubeApi: innertubeAPIkey, channelIdType: channelIdType }
+ if (typeof (contentDataJSON.alerts) !== 'undefined') {
+ return {
+ alertMessage: contentDataJSON.alerts[0].alertRenderer.text.simpleText
+ }
+ }
+ const communityTab = YoutubeGrabberHelper.findTab(contentDataJSON.contents.twoColumnBrowseResultsRenderer.tabs)
+
+ if (communityTab) {
+ contentDataJSON = contentDataJSON.contents.twoColumnBrowseResultsRenderer.tabs[3].tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer
+ if ('continuationItemRenderer' in contentDataJSON.contents[contentDataJSON.contents.length - 1]) {
+ return { items: this.createCommunityPostArray(contentDataJSON.contents), continuation: contentDataJSON.contents[contentDataJSON.contents.length - 1].continuationItemRenderer.continuationEndpoint.continuationCommand.token, innerTubeApi: innertubeAPIkey, channelIdType: channelIdType }
+ }
+ } else {
+ contentDataJSON = { contents: [] }
  }
  return { items: this.createCommunityPostArray(contentDataJSON.contents), continuation: null, innerTubeApi: null, channelIdType: channelIdType }
  }
@@ -669,6 +687,12 @@ class YoutubeGrabberHelper {
  return { response: channelPageResponse, channelIdType: 3 }
  }
 
+ static findTab(tabs) {
+ return tabs.find((tab) =>
+ tab?.tabRenderer?.selected === true
+ )
+ }
+
  static create(httpsAgent) {
  return new YoutubeGrabberHelper(httpsAgent)
  }

app/youtube-grabber.js

@@ -20,7 +20,10 @@ class YoutubeGrabber {
  if (channelPageResponse.data.response === undefined) {
  channelPageDataResponse = channelPageResponse.data[1].response
  }
- const headerLinks = channelPageDataResponse.header.c4TabbedHeaderRenderer.headerLinks
+ let headerLinks
+ if ('c4TabbedHeaderRenderer' in channelPageDataResponse.header) {
+ headerLinks = channelPageDataResponse.header.c4TabbedHeaderRenderer.headerLinks
+ }
  const links = {
  primaryLinks: [],
  secondaryLinks: []
@@ -55,20 +58,22 @@ class YoutubeGrabber {
  }
  }
 
- const channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
- const channelHeaderData = channelPageDataResponse.header.c4TabbedHeaderRenderer
+ const channelMetaData = channelPageDataResponse?.metadata?.channelMetadataRenderer
+ let channelHeaderData = channelPageDataResponse.header.c4TabbedHeaderRenderer
+ if (!channelHeaderData) {
+ channelHeaderData = channelPageDataResponse.header.carouselHeaderRenderer.contents[1].topicChannelDetailsRenderer
+ // = topicChannelDetailsRenderer
+ }
  const headerTabs = channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs
+ const channelTabs = headerTabs
+ .filter(tab => tab.tabRenderer !== undefined && tab.tabRenderer !== null)
+ .map(tab => tab.tabRenderer.title)
 
- const channelsTab = headerTabs.filter((data) => {
- if (typeof data.tabRenderer !== 'undefined') {
- return data.tabRenderer.title === 'Channels'
- }
-
- return false
- })
-
- const featuredChannels = channelsTab[0].tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0]
-
+ const channelsTab = YoutubeGrabberHelper.findTab(headerTabs)
+ let featuredChannels = {}
+ if (channelsTab && 'sectionListRenderer' in channelsTab.tabRenderer.content) {
+ featuredChannels = channelsTab.tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0]
+ }
  let relatedChannels = []
  let relatedChannelsContinuation = null
 
@@ -131,27 +136,27 @@ class YoutubeGrabber {
  isOfficialArtist = channelHeaderData.badges.some((badge) => badge.metadataBadgeRenderer.style === 'BADGE_STYLE_TYPE_VERIFIED_ARTIST')
  }
 
- const tags = channelPageDataResponse.microformat.microformatDataRenderer.tags || null
-
+ const tags = channelPageDataResponse?.microformat?.microformatDataRenderer?.tags || null
  const channelInfo = {
- author: channelMetaData.title,
- authorId: channelMetaData.externalId,
- authorUrl: channelMetaData.vanityChannelUrl,
+ author: channelMetaData?.title ?? channelHeaderData.title.simpleText,
+ authorId: channelMetaData?.externalId ?? channelHeaderData.navigationEndpoint.browseEndpoint.browseId,
+ authorUrl: channelMetaData?.vanityChannelUrl ?? channelHeaderData.navigationEndpoint.commandMetadata.webCommandMetadata.url,
  authorBanners: bannerThumbnails,
  authorThumbnails: channelHeaderData.avatar.thumbnails,
  subscriberText: subscriberText,
  subscriberCount: subscriberCount,
- description: channelMetaData.description,
- isFamilyFriendly: channelMetaData.isFamilySafe,
+ description: channelMetaData?.description ?? '',
+ isFamilyFriendly: channelMetaData?.isFamilySafe ?? false,
  relatedChannels: {
  items: relatedChannels,
  continuation: relatedChannelsContinuation
  },
- allowedRegions: channelMetaData.availableCountryCodes,
+ allowedRegions: channelMetaData?.availableCountryCodes ?? [],
  isVerified: isVerified,
  isOfficialArtist: isOfficialArtist,
  tags: tags,
  channelLinks: links,
+ channelTabs: channelTabs,
  channelIdType: decideResponse.channelIdType,
  }
 
@@ -334,6 +339,11 @@ class YoutubeGrabber {
  if (typeof channelPageDataResponse === 'undefined') {
  channelPageDataResponse = channelPageResponse.data[1].response
  }
+ if (typeof (channelPageDataResponse.alerts) !== 'undefined') {
+ return {
+ alertMessage: channelPageDataResponse.alerts[0].alertRenderer.text.simpleText
+ }
+ }
  const channelMetaData = channelPageDataResponse.metadata.channelMetadataRenderer
  const channelName = channelMetaData.title
 
@@ -457,28 +467,28 @@ class YoutubeGrabber {
  const ytGrabHelp = YoutubeGrabberHelper.create(httpAgent)
  const decideResponse = await ytGrabHelp.decideUrlRequestType(channelId, 'about?flow=grid&view=0&pbj=1', channelIdType)
  const channelPageResponse = decideResponse.response
- let headerTabs
- if (channelPageResponse.data.response) {
- headerTabs = channelPageResponse.data.response.contents.twoColumnBrowseResultsRenderer.tabs
- } else {
- headerTabs = channelPageResponse.data[1].response.contents.twoColumnBrowseResultsRenderer.tabs
- }
- const aboutTab = headerTabs.filter((data) => {
- if (typeof data.tabRenderer !== 'undefined') {
- return data.tabRenderer.title === 'About'
+ const channelPageDataResponse = channelPageResponse.data[1].response
+ if (typeof (channelPageDataResponse.alerts) !== 'undefined') {
+ return {
+ alertMessage: channelPageDataResponse.alerts[0].alertRenderer.text.simpleText
  }
-  return false
- })[0]
- const contents = aboutTab.tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0]
- const joined = Date.parse(contents.channelAboutFullMetadataRenderer.joinedDateText.runs[1].text)
+ }
+ const headerTabs = channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs
+ const aboutTab = YoutubeGrabberHelper.findTab(headerTabs)
+
  let views = '0'
  let location = 'unknown'
- if ('viewCountText' in contents.channelAboutFullMetadataRenderer) {
- views = contents.channelAboutFullMetadataRenderer.viewCountText.simpleText.replace(/\D/g, '')
- }
+ let joined = null
+ if (aboutTab !== undefined) {
+ const contents = aboutTab.tabRenderer.content.sectionListRenderer.contents[0].itemSectionRenderer.contents[0]
+ joined = Date.parse(contents.channelAboutFullMetadataRenderer.joinedDateText.runs[1].text)
+ if ('viewCountText' in contents.channelAboutFullMetadataRenderer) {
+ views = contents.channelAboutFullMetadataRenderer.viewCountText.simpleText.replace(/\D/g, '')
+ }
 
- if ('country' in contents.channelAboutFullMetadataRenderer) {
- location = contents.channelAboutFullMetadataRenderer.country.simpleText
+ if ('country' in contents.channelAboutFullMetadataRenderer) {
+ location = contents.channelAboutFullMetadataRenderer.country.simpleText
+ }
  }
 
  return {
@@ -488,18 +498,19 @@ class YoutubeGrabber {
  }
  }
 
- static async getChannelHome(payload) {
- const channelId = payload.channelId
- const channelIdType = payload.channelIdType ?? 0
- const httpAgent = payload.httpAgent ?? null
-
+ static async getChannelHome({ channelId, channelIdType = 0, httpAgent = null }) {
  const ytGrabHelp = YoutubeGrabberHelper.create(httpAgent)
  const decideResponse = await ytGrabHelp.decideUrlRequestType(channelId, 'home?flow=grid&view=0&pbj=1', channelIdType)
  const channelPageResponse = decideResponse.response
  let channelPageDataResponse = channelPageResponse.data.response
  if (typeof channelPageDataResponse === 'undefined') {
  channelPageDataResponse = channelPageResponse.data[1].response
  }
+ if (typeof (channelPageDataResponse.alerts) !== 'undefined') {
+ return {
+ alertMessage: channelPageDataResponse.alerts[0].alertRenderer.text.simpleText
+ }
+ }
  const headerTabs = channelPageDataResponse.contents.twoColumnBrowseResultsRenderer.tabs
  let channelName
  let channelUrl
@@ -517,16 +528,11 @@ class YoutubeGrabber {
  channelName: channelName,
  channelUrl: channelUrl
  }
- const homeTab = headerTabs.filter((data) => {
- if (typeof data.tabRenderer !== 'undefined') {
- return data.tabRenderer.title === 'Home'
- }
 
- return false
- })[0]
+ const homeTab = YoutubeGrabberHelper.findTab(headerTabs)
  let featuredVideo = null
  let homeItems = []
- if (homeTab !== undefined) {
+ if ('sectionListRenderer' in homeTab.tabRenderer.content) {
  homeItems = homeTab.tabRenderer.content.sectionListRenderer.contents.filter(x => {
  if ('shelfRenderer' in x.itemSectionRenderer.contents[0]) {
  return true

index.d.ts

@@ -99,7 +99,18 @@ declare module "yt-channel-info" {
  isOfficialArtist: boolean;
  tags: string[];
  channelIdType: number;
+ channelTabs: string[];
  alertMessage: string;
+ channelLinks: {
+ primaryLinks: ChannelLink[],
+ secondaryLinks: ChannelLink[]
+ }
+ }
+
+ interface ChannelLink {
+ url: string,
+ icon: string,
+ title: string
  }
 
  /**

test/channelHome.test.js

@@ -36,4 +36,16 @@ describe('Getting channel home', () => {
  expect(data.items.length).not.toBe(0)
  })
  })
+ test('Rammstein - topic', () => {
+ const parameters = { channelId: 'UCs6GGpd9zvsYghuYe0VDFUQ', channelIdType: 1 }
+ return ytch.getChannelHome(parameters).then((data) => {
+ expect(data.items.length).not.toBe(0)
+ })
+ })
+ test('Deleted channel', () => {
+ const parameters = { channelId: 'UC59AcfHD5jOGqTxb-zAsahw', channelIdType: 1 }
+ return ytch.getChannelHome(parameters).then((data) => {
+ expect(data.alertMessage).not.toBe(undefined)
+ })
+ })
 })

test/channelInfo.test.js

@@ -43,4 +43,17 @@ describe('Getting channel info', () => {
  expect(data.alertMessage).toBe('This channel does not exist.')
  })
  })
+
+ test('Channel missing tabs', () => {
+ const parameters = { channelId: 'UCs6GGpd9zvsYghuYe0VDFUQ', channelIdType: 1 }
+ return ytch.getChannelInfo(parameters).then((data) => {
+ expect(data.channelTabs.length).toBe(3)
+ })
+ })
+ test('Deleted channel', () => {
+ const parameters = { channelId: 'UC59AcfHD5jOGqTxb-zAsahw', channelIdType: 1 }
+ return ytch.getChannelVideos(parameters).then((data) => {
+ expect(data.alertMessage).not.toBe(undefined)
+ })
+ })
 })

test/channelPlaylists.test.js

@@ -32,4 +32,17 @@ describe('Playlists', () => {
  expect(data.items.length).toBe(0)
  })
  })
+ test('Channel missing playlist tab', () => {
+ const parameters = { channelId: 'UCYfdidRxbB8Qhf0Nx7ioOYw', channelIdType: 1 }
+ return ytch.getChannelPlaylistInfo(parameters).then((data) => {
+ expect(data.items.length).toBe(0)
+ expect(data.continuation).toBe(null)
+ })
+ })
+ test('Deleted channel', () => {
+ const parameters = { channelId: 'UC59AcfHD5jOGqTxb-zAsahw', channelIdType: 1 }
+ return ytch.getChannelPlaylistInfo(parameters).then((data) => {
+ expect(data.alertMessage).not.toBe(undefined)
+ })
+ })
 })

test/channelStats.test.js

@@ -7,4 +7,10 @@ describe('Channel stats', () => {
  expect(data.joinedDate).toBeLessThanOrEqual(1355227200000 + 86400000)
  })
  })
+ test('Deleted channel', () => {
+ const parameters = { channelId: 'UC59AcfHD5jOGqTxb-zAsahw', channelIdType: 1 }
+ return ytch.getChannelStats(parameters).then((data) => {
+ expect(data.alertMessage).not.toBe(undefined)
+ })
+ })
 })