initial commit
This commit is contained in:
3
.gitignore
vendored
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3
.gitignore
vendored
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@@ -0,0 +1,3 @@
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node_modules/
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package-lock.json
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24
package.json
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24
package.json
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@@ -0,0 +1,24 @@
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{
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"name": "mpvqueue",
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"version": "1.0.0",
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"main": "build/server.js",
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"scripts": {
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"build": "tsc",
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"start": "tsc && node build/server.js"
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},
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"author": "",
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"license": "ISC",
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"description": "",
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"devDependencies": {
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"@types/express": "^5.0.0",
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"@types/express-ws": "^3.0.5",
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"@types/node": "^22.13.4",
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"@types/ws": "^8.5.14",
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"typescript": "^5.7.3"
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},
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"dependencies": {
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"express": "^4.21.2",
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"express-ws": "^5.0.2",
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"ws": "^8.18.0"
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}
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}
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169
src/MediaPlayer.ts
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169
src/MediaPlayer.ts
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@@ -0,0 +1,169 @@
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import { ChildProcess, spawn } from "child_process";
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import { Socket } from "net";
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import { WebSocket } from "ws";
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interface PendingCommand {
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resolve: (value: any) => void;
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reject: (reason: any) => void;
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}
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export class MediaPlayer {
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private playerProcess: ChildProcess;
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private socket: Socket;
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private eventSubscribers: WebSocket[] = [];
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private pendingCommands: Map<number, PendingCommand> = new Map();
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private requestId: number = 1;
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private dataBuffer: string = '';
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constructor() {
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console.log("Starting player process");
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this.playerProcess = spawn("mpv", [
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"--no-video",
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"--no-terminal",
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"--idle=yes",
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"--input-ipc-server=/tmp/mpv-socket"
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]);
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this.socket = new Socket();
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this.playerProcess.on("spawn", () => {
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console.log("Player process spawned, opening socket");
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setTimeout(() => {
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this.connectToSocket();
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}, 200);
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});
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}
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public async getPlaylist(): Promise<any> {
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return this.writeCommand("get_property", ["playlist"])
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.then((response) => {
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return response.data;
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});
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}
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public async getNowPlaying(): Promise<string> {
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return this.writeCommand("get_property", ["media-title"])
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.then((response) => {
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return response.data;
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});
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}
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public async getPauseState(): Promise<boolean> {
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return this.writeCommand("get_property", ["pause"])
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.then((response) => {
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return response.data;
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});
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}
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public async getVolume(): Promise<number> {
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return this.writeCommand("get_property", ["volume"])
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.then((response) => {
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return response.data;
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});
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}
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public async setVolume(volume: number) {
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return this.writeCommand("set_property", ["volume", volume]);
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}
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public async getIdle(): Promise<boolean> {
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return this.writeCommand("get_property", ["idle"])
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.then((response) => {
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return response.data;
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});
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}
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public async append(url: string) {
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return this.writeCommand("loadfile", [url, "append-play"]);
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}
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public async play() {
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return this.writeCommand("set_property", ["pause", false]);
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}
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public async pause() {
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return this.writeCommand("set_property", ["pause", true]);
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}
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public async deletePlaylistItem(index: number) {
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return this.writeCommand("playlist-remove", [index]);
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}
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public subscribe(ws: WebSocket) {
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this.eventSubscribers.push(ws);
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}
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public unsubscribe(ws: WebSocket) {
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this.eventSubscribers = this.eventSubscribers.filter(subscriber => subscriber !== ws);
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}
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private async writeCommand(command: string, args: any[]): Promise<any> {
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return new Promise((resolve, reject) => {
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const id = this.requestId++;
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const commandObject = JSON.stringify({
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command: [command, ...args],
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request_id: id
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});
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this.pendingCommands.set(id, { resolve, reject });
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this.socket.write(commandObject + '\n');
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// Add timeout to prevent hanging promises
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setTimeout(() => {
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if (this.pendingCommands.has(id)) {
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const pending = this.pendingCommands.get(id);
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if (pending) {
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pending.reject(new Error('Command timed out'));
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this.pendingCommands.delete(id);
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}
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}
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}, 5000);
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});
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}
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private connectToSocket() {
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this.socket.connect("/tmp/mpv-socket");
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this.socket.on("data", data => this.receiveData(data.toString()));
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}
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private handleEvent(event: string, data: any) {
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console.log("Event [" + event + "]: " + JSON.stringify(data, null, 2));
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// Notify all subscribers
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this.eventSubscribers.forEach(subscriber => {
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subscriber.send(JSON.stringify({ event, data }));
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});
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}
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private receiveData(data: string) {
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this.dataBuffer += data;
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const lines = this.dataBuffer.split('\n');
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// Keep last incomplete line in the buffer
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this.dataBuffer = lines.pop() || '';
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for (const line of lines) {
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if (line.trim().length > 0) {
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try {
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const response = JSON.parse(line);
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if (response.request_id) {
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const pending = this.pendingCommands.get(response.request_id);
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if (pending) {
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pending.resolve(response);
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this.pendingCommands.delete(response.request_id);
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}
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} else if (response.event) {
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this.handleEvent(response.event, response.data);
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} else {
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console.log(response);
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}
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} catch (error) {
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console.error('Error parsing JSON:', error);
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}
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}
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}
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}
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}
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93
src/server.ts
Normal file
93
src/server.ts
Normal file
@@ -0,0 +1,93 @@
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import express from "express";
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import expressWs from "express-ws";
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import { MediaPlayer } from "./MediaPlayer";
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interface PlaylistAppendRequest {
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url: string;
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}
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const app = express();
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expressWs(app);
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app.use(express.json());
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const router = express.Router();
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const mediaPlayer = new MediaPlayer();
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router.get("/playlist", async (req, res) => {
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const playlist = await mediaPlayer.getPlaylist();
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res.send(playlist);
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});
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router.post("/playlist", async (req, res) => {
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try {
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const { url } = req.body as PlaylistAppendRequest;
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await mediaPlayer.append(url);
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res.send(JSON.stringify({ success: true }));
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} catch (error: any) {
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res.status(500)
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.send(JSON.stringify({ success: false, error: error.message }));
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}
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});
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router.delete("/playlist/:index", async (req, res) => {
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const { index } = req.params as { index: string };
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await mediaPlayer.deletePlaylistItem(parseInt(index));
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res.send(JSON.stringify({ success: true }));
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});
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router.post("/play", async (req, res) => {
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try {
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await mediaPlayer.play();
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res.send(JSON.stringify({ success: true }));
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} catch (error: any) {
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res.status(500)
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.send(JSON.stringify({ success: false, error: error.message }));
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}
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});
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router.post("/pause", async (req, res) => {
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try {
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await mediaPlayer.pause();
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res.send(JSON.stringify({ success: true }));
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} catch (error: any) {
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res.status(500)
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.send(JSON.stringify({ success: false, error: error.message }));
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}
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});
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router.get("/nowplaying", async (req, res) => {
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const nowPlaying = await mediaPlayer.getNowPlaying();
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const pauseState = await mediaPlayer.getPauseState();
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const volume = await mediaPlayer.getVolume();
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const idle = await mediaPlayer.getIdle();
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res.send(JSON.stringify({
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success: true,
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nowPlaying: nowPlaying,
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isPaused: pauseState,
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volume: volume,
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isIdle: idle
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}));
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});
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router.post("/volume", async (req, res) => {
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const { volume } = req.body as { volume: number };
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await mediaPlayer.setVolume(volume);
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res.send(JSON.stringify({ success: true }));
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});
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router.ws("/events", (ws, req) => {
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console.log(req.query);
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mediaPlayer.subscribe(ws);
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ws.on("close", () => {
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mediaPlayer.unsubscribe(ws);
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});
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});
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app.use("/", router);
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app.listen(3000, () => {
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console.log("Server is running on port 3000");
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});
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109
tsconfig.json
Normal file
109
tsconfig.json
Normal file
@@ -0,0 +1,109 @@
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{
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"compilerOptions": {
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/* Visit https://aka.ms/tsconfig to read more about this file */
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/* Projects */
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// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
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// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
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// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
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// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
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// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
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// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
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/* Language and Environment */
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"target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
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// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
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// "jsx": "preserve", /* Specify what JSX code is generated. */
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// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
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// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
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// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
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// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
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// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
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// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
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// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
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// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
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// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
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/* Modules */
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"module": "commonjs", /* Specify what module code is generated. */
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"rootDir": "./src", /* Specify the root folder within your source files. */
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// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
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// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
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// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
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// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
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// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
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// "types": [], /* Specify type package names to be included without being referenced in a source file. */
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// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
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// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
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// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
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// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
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// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
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// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
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// "resolveJsonModule": true, /* Enable importing .json files. */
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// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
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// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
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/* JavaScript Support */
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// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
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// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
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// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
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/* Emit */
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// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
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// "declarationMap": true, /* Create sourcemaps for d.ts files. */
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// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
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// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
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// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
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// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
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"outDir": "./build", /* Specify an output folder for all emitted files. */
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// "removeComments": true, /* Disable emitting comments. */
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// "noEmit": true, /* Disable emitting files from a compilation. */
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// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
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// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
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// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
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// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
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// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
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// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
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// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
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// "newLine": "crlf", /* Set the newline character for emitting files. */
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// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
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// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
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// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
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// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
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// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
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// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
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/* Interop Constraints */
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// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
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// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
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// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
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"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
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// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
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"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
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/* Type Checking */
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"strict": true, /* Enable all strict type-checking options. */
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// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
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// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
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// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
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// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
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// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
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// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
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// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
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// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
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// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
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// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
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||||
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
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||||
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
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// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
|
||||
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
|
||||
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
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||||
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
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// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
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// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
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/* Completeness */
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// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
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"skipLibCheck": true /* Skip type checking all .d.ts files. */
|
||||
}
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||||
}
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||||
Reference in New Issue
Block a user