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Innertube.ts
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Innertube.ts
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import type { SessionOptions } from './core/Session.js';
import Session from './core/Session.js';
import NavigationEndpoint from './parser/classes/NavigationEndpoint.js';
import type Format from './parser/classes/misc/Format.js';
import Channel from './parser/youtube/Channel.js';
import Comments from './parser/youtube/Comments.js';
import Guide from './parser/youtube/Guide.js';
import HashtagFeed from './parser/youtube/HashtagFeed.js';
import History from './parser/youtube/History.js';
import HomeFeed from './parser/youtube/HomeFeed.js';
import Library from './parser/youtube/Library.js';
import NotificationsMenu from './parser/youtube/NotificationsMenu.js';
import Playlist from './parser/youtube/Playlist.js';
import Search from './parser/youtube/Search.js';
import VideoInfo from './parser/youtube/VideoInfo.js';
import { Kids, Music, Studio } from './core/clients/index.js';
import { AccountManager, InteractionManager, PlaylistManager } from './core/managers/index.js';
import { Feed, TabbedFeed } from './core/mixins/index.js';
import Proto from './proto/index.js';
import * as Constants from './utils/Constants.js';
import { InnertubeError, generateRandomString, throwIfMissing } from './utils/Utils.js';
import {
BrowseEndpoint,
GetNotificationMenuEndpoint,
GuideEndpoint,
NextEndpoint,
PlayerEndpoint,
ResolveURLEndpoint,
SearchEndpoint
} from './core/endpoints/index.js';
import { GetUnseenCountEndpoint } from './core/endpoints/notification/index.js';
import type { ApiResponse } from './core/Actions.js';
import type { IBrowseResponse, IParsedResponse } from './parser/types/index.js';
import type { INextRequest } from './types/index.js';
import type { DownloadOptions, FormatOptions } from './utils/FormatUtils.js';
export type InnertubeConfig = SessionOptions;
export type InnerTubeClient = 'WEB' | 'ANDROID' | 'YTMUSIC_ANDROID' | 'YTMUSIC' | 'YTSTUDIO_ANDROID' | 'TV_EMBEDDED' | 'YTKIDS'
export type SearchFilters = Partial<{
upload_date: 'all' | 'hour' | 'today' | 'week' | 'month' | 'year';
type: 'all' | 'video' | 'channel' | 'playlist' | 'movie';
duration: 'all' | 'short' | 'medium' | 'long';
sort_by: 'relevance' | 'rating' | 'upload_date' | 'view_count';
features: ('hd' | 'subtitles' | 'creative_commons' | '3d' | 'live' | 'purchased' | '4k' | '360' | 'location' | 'hdr' | 'vr180')[];
}>;
/**
* Provides access to various services and modules in the YouTube API.
*/
export default class Innertube {
#session: Session;
constructor(session: Session) {
this.#session = session;
}
static async create(config: InnertubeConfig = {}): Promise<Innertube> {
return new Innertube(await Session.create(config));
}
/**
* Retrieves video info.
* @param target - The video id or `NavigationEndpoint`.
* @param client - The client to use.
*/
async getInfo(target: string | NavigationEndpoint, client?: InnerTubeClient): Promise<VideoInfo> {
throwIfMissing({ target });
let next_payload: INextRequest;
if (target instanceof NavigationEndpoint) {
next_payload = NextEndpoint.build({
video_id: target.payload?.videoId,
playlist_id: target.payload?.playlistId,
params: target.payload?.params,
playlist_index: target.payload?.index
});
} else if (typeof target === 'string') {
next_payload = NextEndpoint.build({
video_id: target
});
} else {
throw new InnertubeError('Invalid target, expected either a video id or a valid NavigationEndpoint', target);
}
if (!next_payload.videoId)
throw new InnertubeError('Video id cannot be empty', next_payload);
const player_payload = PlayerEndpoint.build({
video_id: next_payload.videoId,
playlist_id: next_payload?.playlistId,
client: client,
sts: this.#session.player?.sts
});
const player_response = this.actions.execute(PlayerEndpoint.PATH, player_payload);
const next_response = this.actions.execute(NextEndpoint.PATH, next_payload);
const response = await Promise.all([ player_response, next_response ]);
const cpn = generateRandomString(16);
return new VideoInfo(response, this.actions, cpn);
}
/**
* Retrieves basic video info.
* @param video_id - The video id.
* @param client - The client to use.
*/
async getBasicInfo(video_id: string, client?: InnerTubeClient): Promise<VideoInfo> {
throwIfMissing({ video_id });
const response = await this.actions.execute(
PlayerEndpoint.PATH, PlayerEndpoint.build({
video_id: video_id,
client: client,
sts: this.#session.player?.sts
})
);
const cpn = generateRandomString(16);
return new VideoInfo([ response ], this.actions, cpn);
}
/**
* Searches a given query.
* @param query - The search query.
* @param filters - Search filters.
*/
async search(query: string, filters: SearchFilters = {}): Promise<Search> {
throwIfMissing({ query });
const response = await this.actions.execute(
SearchEndpoint.PATH, SearchEndpoint.build({
query, params: filters ? Proto.encodeSearchFilters(filters) : undefined
})
);
return new Search(this.actions, response);
}
/**
* Retrieves search suggestions for a given query.
* @param query - The search query.
*/
async getSearchSuggestions(query: string): Promise<string[]> {
throwIfMissing({ query });
const url = new URL(`${Constants.URLS.YT_SUGGESTIONS}search`);
url.searchParams.set('q', query);
url.searchParams.set('hl', this.#session.context.client.hl);
url.searchParams.set('gl', this.#session.context.client.gl);
url.searchParams.set('ds', 'yt');
url.searchParams.set('client', 'youtube');
url.searchParams.set('xssi', 't');
url.searchParams.set('oe', 'UTF');
const response = await this.#session.http.fetch(url);
const response_data = await response.text();
const data = JSON.parse(response_data.replace(')]}\'', ''));
const suggestions = data[1].map((suggestion: any) => suggestion[0]);
return suggestions;
}
/**
* Retrieves comments for a video.
* @param video_id - The video id.
* @param sort_by - Sorting options.
*/
async getComments(video_id: string, sort_by?: 'TOP_COMMENTS' | 'NEWEST_FIRST'): Promise<Comments> {
throwIfMissing({ video_id });
const response = await this.actions.execute(
NextEndpoint.PATH, NextEndpoint.build({
continuation: Proto.encodeCommentsSectionParams(video_id, {
sort_by: sort_by || 'TOP_COMMENTS'
})
})
);
return new Comments(this.actions, response.data);
}
/**
* Retrieves YouTube's home feed (aka recommendations).
*/
async getHomeFeed(): Promise<HomeFeed> {
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({ browse_id: 'FEwhat_to_watch' })
);
return new HomeFeed(this.actions, response);
}
/**
* Retrieves YouTube's content guide.
*/
async getGuide(): Promise<Guide> {
const response = await this.actions.execute(GuideEndpoint.PATH);
return new Guide(response.data);
}
/**
* Returns the account's library.
*/
async getLibrary(): Promise<Library> {
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({ browse_id: 'FElibrary' })
);
return new Library(this.actions, response);
}
/**
* Retrieves watch history.
* Which can also be achieved with {@link getLibrary}.
*/
async getHistory(): Promise<History> {
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({ browse_id: 'FEhistory' })
);
return new History(this.actions, response);
}
/**
* Retrieves trending content.
*/
async getTrending(): Promise<TabbedFeed<IBrowseResponse>> {
const response = await this.actions.execute(
BrowseEndpoint.PATH, { ...BrowseEndpoint.build({ browse_id: 'FEtrending' }), parse: true }
);
return new TabbedFeed(this.actions, response);
}
/**
* Retrieves subscriptions feed.
*/
async getSubscriptionsFeed(): Promise<Feed<IBrowseResponse>> {
const response = await this.actions.execute(
BrowseEndpoint.PATH, { ...BrowseEndpoint.build({ browse_id: 'FEsubscriptions' }), parse: true }
);
return new Feed(this.actions, response);
}
/**
* Retrieves contents for a given channel.
* @param id - Channel id
*/
async getChannel(id: string): Promise<Channel> {
throwIfMissing({ id });
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({ browse_id: id })
);
return new Channel(this.actions, response);
}
/**
* Retrieves notifications.
*/
async getNotifications(): Promise<NotificationsMenu> {
const response = await this.actions.execute(
GetNotificationMenuEndpoint.PATH, GetNotificationMenuEndpoint.build({
notifications_menu_request_type: 'NOTIFICATIONS_MENU_REQUEST_TYPE_INBOX'
})
);
return new NotificationsMenu(this.actions, response);
}
/**
* Retrieves unseen notifications count.
*/
async getUnseenNotificationsCount(): Promise<number> {
const response = await this.actions.execute(GetUnseenCountEndpoint.PATH);
// TODO: properly parse this
return response.data?.unseenCount || response.data?.actions?.[0].updateNotificationsUnseenCountAction?.unseenCount || 0;
}
/**
* Retrieves playlist contents.
* @param id - Playlist id
*/
async getPlaylist(id: string): Promise<Playlist> {
throwIfMissing({ id });
if (!id.startsWith('VL')) {
id = `VL${id}`;
}
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({ browse_id: id })
);
return new Playlist(this.actions, response);
}
/**
* Retrieves a given hashtag's page.
* @param hashtag - The hashtag to fetch.
*/
async getHashtag(hashtag: string): Promise<HashtagFeed> {
throwIfMissing({ hashtag });
const response = await this.actions.execute(
BrowseEndpoint.PATH, BrowseEndpoint.build({
browse_id: 'FEhashtag',
params: Proto.encodeHashtag(hashtag)
})
);
return new HashtagFeed(this.actions, response);
}
/**
* An alternative to {@link download}.
* Returns deciphered streaming data.
*
* If you wish to retrieve the video info too, have a look at {@link getBasicInfo} or {@link getInfo}.
* @param video_id - The video id.
* @param options - Format options.
*/
async getStreamingData(video_id: string, options: FormatOptions = {}): Promise<Format> {
const info = await this.getBasicInfo(video_id);
return info.chooseFormat(options);
}
/**
* Downloads a given video. If you only need the direct download link see {@link getStreamingData}.
* If you wish to retrieve the video info too, have a look at {@link getBasicInfo} or {@link getInfo}.
* @param video_id - The video id.
* @param options - Download options.
*/
async download(video_id: string, options?: DownloadOptions): Promise<ReadableStream<Uint8Array>> {
const info = await this.getBasicInfo(video_id, options?.client);
return info.download(options);
}
/**
* Resolves the given URL.
* @param url - The URL.
*/
async resolveURL(url: string): Promise<NavigationEndpoint> {
const response = await this.actions.execute(
ResolveURLEndpoint.PATH, { ...ResolveURLEndpoint.build({ url }), parse: true }
);
return response.endpoint;
}
/**
* Utility method to call an endpoint without having to use {@link Actions}.
* @param endpoint -The endpoint to call.
* @param args - Call arguments.
*/
call<T extends IParsedResponse>(endpoint: NavigationEndpoint, args: { [key: string]: any; parse: true }): Promise<T>;
call(endpoint: NavigationEndpoint, args?: { [key: string]: any; parse?: false }): Promise<ApiResponse>;
call(endpoint: NavigationEndpoint, args?: object): Promise<IParsedResponse | ApiResponse> {
return endpoint.call(this.actions, args);
}
/**
* An interface for interacting with YouTube Music.
*/
get music() {
return new Music(this.#session);
}
/**
* An interface for interacting with YouTube Studio.
*/
get studio() {
return new Studio(this.#session);
}
/**
* An interface for interacting with YouTube Kids.
*/
get kids() {
return new Kids(this.#session);
}
/**
* An interface for managing and retrieving account information.
*/
get account() {
return new AccountManager(this.#session.actions);
}
/**
* An interface for managing playlists.
*/
get playlist() {
return new PlaylistManager(this.#session.actions);
}
/**
* An interface for directly interacting with certain YouTube features.
*/
get interact() {
return new InteractionManager(this.#session.actions);
}
/**
* An internal class used to dispatch requests.
*/
get actions() {
return this.#session.actions;
}
/**
* The session used by this instance.
*/
get session() {
return this.#session;
}
}