mirror of
https://github.com/BluemediaGER/muse.git
synced 2024-11-23 01:05:30 +01:00
Add better caching, seek command
This commit is contained in:
Max Isom
parent
c446e0fd57
commit
fb91c8e89c
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@ -25,6 +25,7 @@
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},
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"devDependencies": {
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"@types/bluebird": "^3.5.30",
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"@types/fs-capacitor": "^2.0.0",
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"@types/node": "^13.9.1",
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"@types/spotify-web-api-node": "^4.0.1",
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"@types/validator": "^12.0.1",
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@ -66,6 +67,7 @@
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"delay": "^4.3.0",
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"discord.js": "^12.0.2",
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"dotenv": "^8.2.0",
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"fs-capacitor": "^6.1.0",
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"got": "^10.6.0",
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"hasha": "^5.2.0",
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"inversify": "^5.0.1",
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33
src/commands/seek.ts
Normal file
33
src/commands/seek.ts
Normal file
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@ -0,0 +1,33 @@
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import {Message, TextChannel} from 'discord.js';
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import {TYPES} from '../types';
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import {inject, injectable} from 'inversify';
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import Player from '../services/player';
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import LoadingMessage from '../utils/loading-message';
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import Command from '.';
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@injectable()
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export default class implements Command {
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public name = 'seek';
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public description = 'seeks position in currently playing song';
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private readonly player: Player;
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constructor(@inject(TYPES.Services.Player) player: Player) {
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this.player = player;
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}
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public async execute(msg: Message, args: string []): Promise<void> {
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const seekTime = parseInt(args[0], 10);
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const loading = new LoadingMessage(msg.channel as TextChannel, 'hold on a sec');
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await loading.start();
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try {
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await this.player.seek(msg.guild!.id, seekTime);
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await loading.stop('seeked');
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} catch (_) {
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await loading.stop('error somewhere');
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}
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}
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}
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@ -24,6 +24,7 @@ import Command from './commands';
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import Config from './commands/config';
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import Play from './commands/play';
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import QueueCommad from './commands/queue';
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import Seek from './commands/seek';
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let container = new Container();
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@ -39,6 +40,7 @@ container.bind<Queue>(TYPES.Services.Queue).to(Queue).inSingletonScope();
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container.bind<Command>(TYPES.Command).to(Config).inSingletonScope();
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container.bind<Command>(TYPES.Command).to(Play).inSingletonScope();
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container.bind<Command>(TYPES.Command).to(QueueCommad).inSingletonScope();
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container.bind<Command>(TYPES.Command).to(Seek).inSingletonScope();
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// Config values
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container.bind<string>(TYPES.Config.DISCORD_TOKEN).toConstantValue(DISCORD_TOKEN);
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@ -1,8 +1,14 @@
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import {inject, injectable} from 'inversify';
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import {VoiceConnection, VoiceChannel} from 'discord.js';
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import {promises as fs, createWriteStream} from 'fs';
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import {Readable} from 'stream';
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import path from 'path';
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import hasha from 'hasha';
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import ytdl from 'ytdl-core';
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import {WriteStream} from 'fs-capacitor';
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import prism from 'prism-media';
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import {TYPES} from '../types';
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import Queue from './queue';
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import getYouTubeStream from '../utils/get-youtube-stream';
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import Queue, {QueuedSong} from './queue';
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export enum Status {
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Playing,
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@ -19,9 +25,11 @@ export interface GuildPlayer {
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export default class {
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private readonly guildPlayers = new Map<string, GuildPlayer>();
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private readonly queue: Queue;
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private readonly cacheDir: string;
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constructor(@inject(TYPES.Services.Queue) queue: Queue) {
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constructor(@inject(TYPES.Services.Queue) queue: Queue, @inject(TYPES.Config.CACHE_DIR) cacheDir: string) {
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this.queue = queue;
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this.cacheDir = cacheDir;
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}
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async connect(guildId: string, channel: VoiceChannel): Promise<void> {
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@ -46,6 +54,23 @@ export default class {
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}
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}
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async seek(guildId: string, positionSeconds: number): Promise<void> {
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const guildPlayer = this.get(guildId);
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if (guildPlayer.voiceConnection === null) {
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throw new Error('Not connected to a voice channel.');
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}
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const currentSong = this.getCurrentSong(guildId);
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if (!currentSong) {
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throw new Error('No song currently playing');
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}
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await this.waitForCache(currentSong.url);
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guildPlayer.voiceConnection.play(this.getCachedPath(currentSong.url), {seek: positionSeconds});
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}
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async play(guildId: string): Promise<void> {
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const guildPlayer = this.get(guildId);
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if (guildPlayer.voiceConnection === null) {
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@ -57,17 +82,18 @@ export default class {
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return;
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}
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const songs = this.queue.get(guildId);
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const currentSong = this.getCurrentSong(guildId);
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if (songs.length === 0) {
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if (!currentSong) {
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throw new Error('Queue empty.');
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}
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const song = songs[0];
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const stream = await getYouTubeStream(song.url);
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this.get(guildId).voiceConnection!.play(stream, {type: 'webm/opus'});
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if (await this.isCached(currentSong.url)) {
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this.get(guildId).voiceConnection!.play(this.getCachedPath(currentSong.url));
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} else {
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const stream = await this.getStream(currentSong.url);
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this.get(guildId).voiceConnection!.play(stream, {type: 'webm/opus'});
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}
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guildPlayer.status = Status.Playing;
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@ -80,9 +106,136 @@ export default class {
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return this.guildPlayers.get(guildId) as GuildPlayer;
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}
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private getCurrentSong(guildId: string): QueuedSong|null {
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const songs = this.queue.get(guildId);
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if (songs.length === 0) {
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return null;
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}
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return songs[0];
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}
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private initGuild(guildId: string): void {
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if (!this.guildPlayers.get(guildId)) {
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this.guildPlayers.set(guildId, {status: Status.Disconnected, voiceConnection: null});
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}
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}
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private getCachedPath(url: string): string {
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const hash = hasha(url);
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return path.join(this.cacheDir, `${hash}.webm`);
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}
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private getCachedPathTemp(url: string): string {
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const hash = hasha(url);
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return path.join('/tmp', `${hash}.webm`);
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}
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private async isCached(url: string): Promise<boolean> {
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try {
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await fs.access(this.getCachedPath(url));
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return true;
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} catch (_) {
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return false;
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}
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}
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private async waitForCache(url: string, maxRetries = 50, retryDelay = 500): Promise<void> {
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// eslint-disable-next-line no-async-promise-executor
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return new Promise(async (resolve, reject) => {
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if (await this.isCached(url)) {
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resolve();
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} else {
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let nOfChecks = 0;
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const cachedCheck = setInterval(async () => {
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if (await this.isCached(url)) {
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clearInterval(cachedCheck);
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resolve();
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} else {
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nOfChecks++;
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if (nOfChecks > maxRetries) {
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clearInterval(cachedCheck);
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reject(new Error('Timed out waiting for file to become cached.'));
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}
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}
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}, retryDelay);
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}
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});
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}
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private async getStream(url: string): Promise<Readable|string> {
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const cachedPath = this.getCachedPath(url);
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if (await this.isCached(url)) {
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return cachedPath;
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}
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// Not yet cached, must download
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const info = await ytdl.getInfo(url);
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const {formats} = info;
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const filter = (format: ytdl.videoFormat): boolean => format.codecs === 'opus' && format.container === 'webm' && format.audioSampleRate !== undefined && parseInt(format.audioSampleRate, 10) === 48000;
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let format = formats.find(filter);
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let canDirectPlay = true;
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const nextBestFormat = (formats: ytdl.videoFormat[]): ytdl.videoFormat => {
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formats = formats
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.filter(format => format.averageBitrate)
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.sort((a, b) => b.averageBitrate - a.averageBitrate);
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return formats.find(format => !format.bitrate) ?? formats[0];
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};
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if (!format) {
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format = nextBestFormat(info.formats);
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canDirectPlay = false;
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}
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const cacheTempPath = this.getCachedPathTemp(url);
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const cacheStream = createWriteStream(cacheTempPath);
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cacheStream.on('finish', async () => {
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await fs.rename(cacheTempPath, cachedPath);
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});
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let youtubeStream: Readable;
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if (canDirectPlay) {
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youtubeStream = ytdl.downloadFromInfo(info, {format});
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} else {
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youtubeStream = new prism.FFmpeg({
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args: [
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'-reconnect',
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'1',
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'-reconnect_streamed',
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'1',
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'-reconnect_delay_max',
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'5',
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'-i',
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format.url,
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'-loglevel',
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'verbose',
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'-vn',
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'-acodec',
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'libopus',
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'-f',
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'webm'
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]
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});
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}
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const capacitor = new WriteStream();
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youtubeStream.pipe(capacitor);
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capacitor.createReadStream().pipe(cacheStream);
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return capacitor.createReadStream();
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}
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}
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@ -1,78 +0,0 @@
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import {promises as fs, createReadStream, createWriteStream} from 'fs';
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import {Readable, PassThrough} from 'stream';
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import path from 'path';
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import hasha from 'hasha';
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import ytdl from 'ytdl-core';
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import prism from 'prism-media';
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import {CACHE_DIR} from './config';
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const nextBestFormat = (formats: ytdl.videoFormat[]): ytdl.videoFormat => {
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formats = formats
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.filter(format => format.averageBitrate)
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.sort((a, b) => b.averageBitrate - a.averageBitrate);
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return formats.find(format => !format.bitrate) ?? formats[0];
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};
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// TODO: are some videos not available in webm/opus?
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export default async (url: string): Promise<Readable> => {
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const hash = hasha(url);
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const cachedPath = path.join(CACHE_DIR, `${hash}.webm`);
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const info = await ytdl.getInfo(url);
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const {formats} = info;
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const filter = (format: ytdl.videoFormat): boolean => format.codecs === 'opus' && format.container === 'webm' && format.audioSampleRate !== undefined && parseInt(format.audioSampleRate, 10) === 48000;
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let format = formats.find(filter);
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let canDirectPlay = true;
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if (!format) {
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format = nextBestFormat(info.formats);
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canDirectPlay = false;
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}
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try {
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// Test if file exists
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await fs.access(cachedPath);
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// If so, return cached stream
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return createReadStream(cachedPath);
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} catch (_) {
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// Not yet cached, must download
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const cacheTempPath = path.join('/tmp', `${hash}.webm`);
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const cacheStream = createWriteStream(cacheTempPath);
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const pass = new PassThrough();
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pass.pipe(cacheStream).on('finish', async () => {
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await fs.rename(cacheTempPath, cachedPath);
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});
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if (canDirectPlay) {
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return ytdl.downloadFromInfo(info, {format}).pipe(pass);
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}
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const transcoder = new prism.FFmpeg({
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args: [
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'-reconnect',
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'1',
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'-reconnect_streamed',
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'1',
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'-reconnect_delay_max',
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'5',
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'-i',
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format.url,
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'-loglevel',
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'verbose',
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'-vn',
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'-acodec',
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'libopus',
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'-f',
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'webm'
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]
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});
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return transcoder.pipe(pass);
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}
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};
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83
yarn.lock
83
yarn.lock
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@ -65,6 +65,13 @@
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"@types/node" "*"
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"@types/responselike" "*"
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"@types/cloneable-readable@^2.0.0":
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version "2.0.0"
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resolved "https://registry.yarnpkg.com/@types/cloneable-readable/-/cloneable-readable-2.0.0.tgz#b5bc6602d4771a5db9d80f3867427e9da5f68a63"
|
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integrity sha512-Q9fTsA3hEbOXmGIZ7StMunr/SCvtdfXDfJcDadYk/MPbS3Xh/fWCsdhW26NVx1XNNcX3SkdBqPkfbOiD6p3q2Q==
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dependencies:
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"@types/node" "*"
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"@types/color-name@^1.1.1":
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version "1.1.1"
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resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
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@ -75,6 +82,13 @@
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resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
|
||||
integrity sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==
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"@types/fs-capacitor@^2.0.0":
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version "2.0.0"
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resolved "https://registry.yarnpkg.com/@types/fs-capacitor/-/fs-capacitor-2.0.0.tgz#17113e25817f584f58100fb7a08eed288b81956e"
|
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integrity sha512-FKVPOCFbhCvZxpVAMhdBdTfVfXUpsh15wFHgqOKxh9N9vzWZVuWCSijZ5T4U34XYNnuj2oduh6xcs1i+LPI+BQ==
|
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dependencies:
|
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"@types/node" "*"
|
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|
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"@types/http-cache-semantics@*":
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version "4.0.0"
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resolved "https://registry.yarnpkg.com/@types/http-cache-semantics/-/http-cache-semantics-4.0.0.tgz#9140779736aa2655635ee756e2467d787cfe8a2a"
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@ -107,6 +121,13 @@
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resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
|
||||
integrity sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==
|
||||
|
||||
"@types/pump@^1.1.0":
|
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version "1.1.0"
|
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resolved "https://registry.yarnpkg.com/@types/pump/-/pump-1.1.0.tgz#ed5214af511da32b6ee85c8d33ad3d59bb79ad8f"
|
||||
integrity sha512-YGGbsqf5o7sF8gGANP8ZYxgaRGlFgEAImx5tCvA4YKRCfqbsDQZO48UmWynZzSjbhn0ZWSlsWOcb5NwvOx8KcQ==
|
||||
dependencies:
|
||||
"@types/node" "*"
|
||||
|
||||
"@types/responselike@*":
|
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version "1.0.0"
|
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resolved "https://registry.yarnpkg.com/@types/responselike/-/responselike-1.0.0.tgz#251f4fe7d154d2bad125abe1b429b23afd262e29"
|
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@ -510,6 +531,14 @@ clone-response@^1.0.2:
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dependencies:
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mimic-response "^1.0.0"
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cloneable-readable@^2.0.1:
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version "2.0.1"
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resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-2.0.1.tgz#fc2240beddbe5621b872acad8104dcc86574e225"
|
||||
integrity sha512-1ke/wckhpSevGPQzKb+qGHMsuFrSUKQlsKh0PTmscmfAzw8MgONqrg5a0e0Un1YO/cOSS4wAepfXSGus5RoonQ==
|
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dependencies:
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inherits "^2.0.1"
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readable-stream "^3.3.0"
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cls-bluebird@^2.1.0:
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version "2.1.0"
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resolved "https://registry.yarnpkg.com/cls-bluebird/-/cls-bluebird-2.1.0.tgz#37ef1e080a8ffb55c2f4164f536f1919e7968aee"
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@ -1070,6 +1099,11 @@ formidable@^1.2.0:
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resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.2.tgz#bf69aea2972982675f00865342b982986f6b8dd9"
|
||||
integrity sha512-V8gLm+41I/8kguQ4/o1D3RIHRmhYFG4pnNyonvua+40rqcEmT4+V71yaZ3B457xbbgCsCfjSPi65u/W6vK1U5Q==
|
||||
|
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fs-capacitor@^6.1.0:
|
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version "6.1.0"
|
||||
resolved "https://registry.yarnpkg.com/fs-capacitor/-/fs-capacitor-6.1.0.tgz#457f5868a743fe662caa9bd825be966c3d4641a4"
|
||||
integrity sha512-YsKGCLAB40P3OKeciIa7cKzt7WkY8QT9ETa2wVIG3fQDHW2h3xtRo0770lUIbPrjCr5Sa+zFhixNJ+2xNxaraQ==
|
||||
|
||||
fs-minipass@^1.2.5:
|
||||
version "1.2.7"
|
||||
resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
|
||||
|
|
@ -1339,7 +1373,7 @@ inflight@^1.0.4:
|
|||
once "^1.3.0"
|
||||
wrappy "1"
|
||||
|
||||
inherits@2, inherits@~2.0.3:
|
||||
inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
|
||||
version "2.0.4"
|
||||
resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
|
||||
integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
|
||||
|
|
@ -1486,6 +1520,11 @@ is-typedarray@~1.0.0:
|
|||
resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
|
||||
integrity sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=
|
||||
|
||||
isarray@0.0.1:
|
||||
version "0.0.1"
|
||||
resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
|
||||
integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
|
||||
|
||||
isarray@~1.0.0:
|
||||
version "1.0.0"
|
||||
resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
|
||||
|
|
@ -1653,6 +1692,13 @@ make-error@^1.1.1:
|
|||
resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
|
||||
integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
|
||||
|
||||
memory-streams@^0.1.3:
|
||||
version "0.1.3"
|
||||
resolved "https://registry.yarnpkg.com/memory-streams/-/memory-streams-0.1.3.tgz#d9b0017b4b87f1d92f55f2745c9caacb1dc93ceb"
|
||||
integrity sha512-qVQ/CjkMyMInPaaRMrwWNDvf6boRZXaT/DbQeMYcCWuXPEBf1v8qChOc9OlEVQp2uOvRXa1Qu30fLmKhY6NipA==
|
||||
dependencies:
|
||||
readable-stream "~1.0.2"
|
||||
|
||||
methods@^1.1.1:
|
||||
version "1.1.2"
|
||||
resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
|
||||
|
|
@ -2187,6 +2233,25 @@ readable-stream@^2.0.6, readable-stream@^2.3.5:
|
|||
string_decoder "~1.1.1"
|
||||
util-deprecate "~1.0.1"
|
||||
|
||||
readable-stream@^3.3.0:
|
||||
version "3.6.0"
|
||||
resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
|
||||
integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
|
||||
dependencies:
|
||||
inherits "^2.0.3"
|
||||
string_decoder "^1.1.1"
|
||||
util-deprecate "^1.0.1"
|
||||
|
||||
readable-stream@~1.0.2:
|
||||
version "1.0.34"
|
||||
resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
|
||||
integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
|
||||
dependencies:
|
||||
core-util-is "~1.0.0"
|
||||
inherits "~2.0.1"
|
||||
isarray "0.0.1"
|
||||
string_decoder "~0.10.x"
|
||||
|
||||
readdirp@~3.3.0:
|
||||
version "3.3.0"
|
||||
resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.3.0.tgz#984458d13a1e42e2e9f5841b129e162f369aff17"
|
||||
|
|
@ -2310,7 +2375,7 @@ rxjs@^6.5.3:
|
|||
dependencies:
|
||||
tslib "^1.9.0"
|
||||
|
||||
safe-buffer@^5.0.1, safe-buffer@^5.1.2:
|
||||
safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
|
||||
version "5.2.0"
|
||||
resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
|
||||
integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
|
||||
|
|
@ -2525,6 +2590,18 @@ string-width@^4.1.0:
|
|||
is-fullwidth-code-point "^3.0.0"
|
||||
strip-ansi "^6.0.0"
|
||||
|
||||
string_decoder@^1.1.1:
|
||||
version "1.3.0"
|
||||
resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
|
||||
integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
|
||||
dependencies:
|
||||
safe-buffer "~5.2.0"
|
||||
|
||||
string_decoder@~0.10.x:
|
||||
version "0.10.31"
|
||||
resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
|
||||
integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
|
||||
|
||||
string_decoder@~1.1.1:
|
||||
version "1.1.1"
|
||||
resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
|
||||
|
|
@ -2805,7 +2882,7 @@ url-parse-lax@^1.0.0:
|
|||
dependencies:
|
||||
prepend-http "^1.0.1"
|
||||
|
||||
util-deprecate@~1.0.1:
|
||||
util-deprecate@^1.0.1, util-deprecate@~1.0.1:
|
||||
version "1.0.2"
|
||||
resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
|
||||
integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
|
||||
|
|
|
|||
Loading…
Reference in a new issue