Added client frontend
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/*
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* HTTP tunnel over WebRTC - Client UI implementation
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* Author: Konstantinos Drakontidis
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* Email: gedra100sh@gmail.com
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*/
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import { app, BrowserWindow, Menu, ipcMain } from "electron";
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import { ChildProcessWithoutNullStreams, spawn } from "node:child_process";
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import { glob } from "glob";
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import * as net from "net";
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import * as path from "path";
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var backend: ChildProcessWithoutNullStreams;
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var shutting_down = false;
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// Graceful shutdown
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function shutdown() {
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// Check if shutdown has already been called
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if (!shutting_down) {
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shutting_down = true;
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if (backend) {
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// Kill backend child by sending SIGINT
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backend.stdout.removeAllListeners();
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backend.stderr.removeAllListeners();
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backend.once("exit", () => {
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process.exit(0);
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});
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backend.stdin.write("exit\n");
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setTimeout(() => { process.exit(-1) }, 5000);
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} else {
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process.exit(0);
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}
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}
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}
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// Returns an available port number
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function getAvailablePort(): Promise<number> {
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return new Promise((resolve, reject) => {
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const server = net.createServer();
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server.listen(0, () => {
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const address = server.address();
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if (typeof address === "object" && address !== null) {
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const port = address.port;
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server.close(() => resolve(port));
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} else {
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reject(new Error("Could not get port"));
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}
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});
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server.on("error", reject);
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});
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}
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app.whenReady().then(async () => {
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const main_window = new BrowserWindow({
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webPreferences: {
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nodeIntegration: true,
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contextIsolation: false
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},
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resizable: false,
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width: 800,
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height: 600
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});
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// Load main window and disable menu
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await main_window.loadFile(path.join(__dirname, "..", "views", "main.html"));
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Menu.setApplicationMenu(null);
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var line_buffer = "";
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var connected = false;
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// Generate a port number and search for the peer binary
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const http_port = await getAvailablePort();
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const peer_exec = await glob(path.join(process.resourcesPath, "extra", "peer*").replaceAll("\\", "/"));
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if (peer_exec.length) {
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// Create child
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backend = spawn(peer_exec[0], [http_port.toString()], {
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cwd: path.join(process.resourcesPath, "extra")
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});
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backend.on("spawn", () => {
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main_window.webContents.send("backend_spawn");
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});
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backend.stdout.on("data", (data: Buffer) => {
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main_window.webContents.send("backend_info", data.toString());
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line_buffer += data.toString();
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// Scan each line from stdout to check if datachannel opened
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var lines = line_buffer.split("\n");
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line_buffer = lines.pop() || "";
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for (const line of lines) {
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if (line.trim() === "Opened data channel.") {
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connected = true;
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main_window.webContents.send("backend_dc", http_port.toString());
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main_window.setResizable(true);
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main_window.maximize();
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}
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}
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});
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backend.stderr.on("data", (data: Buffer) => {
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main_window.webContents.send("backend_error", data.toString());
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});
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backend.on("close", async () => {
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// Check if main window is currently showing and if not redirect
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if (connected) {
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await main_window.loadFile(path.join(__dirname, "..", "views", "main.html"));
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main_window.unmaximize();
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main_window.setSize(800, 600, true)
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main_window.setResizable(false);
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}
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main_window.webContents.send("backend_quit");
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});
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} else {
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process.exit(-1);
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}
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});
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// Handling basic HTTP authentication
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let authCallback: ((user: string, pass: string) => void) | null = null;
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app.on("login", (event, webContents, request, authInfo, callback) => {
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event.preventDefault();
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authCallback = callback;
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const loginWin = new BrowserWindow({
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parent: BrowserWindow.getFocusedWindow() ?? undefined,
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width: 300,
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height: 180,
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resizable: false,
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modal: true,
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frame: false,
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webPreferences: {
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nodeIntegration: true,
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contextIsolation: false,
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},
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});
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loginWin.loadFile(path.join(__dirname, "..", "views", "login.html"));
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});
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app.on("window-all-closed", () => {
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shutdown();
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});
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app.on("quit", () => {
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shutdown();
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});
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ipcMain.on("login-submit", (_event, { username, password }) => {
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if (authCallback) {
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authCallback(username, password);
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authCallback = null;
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}
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BrowserWindow.getFocusedWindow()?.close();
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});
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ipcMain.on("login-cancel", () => {
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shutdown();
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});
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Generated
+5186
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,23 @@
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{
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"dependencies": {
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"bootstrap": "^5.3.7",
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"glob": "^11.0.3",
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"jquery": "^3.7.1"
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},
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"name": "client_webrtc",
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"version": "1.0.0",
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"main": "app/dist/app.js",
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"scripts": {
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"start": "electron .",
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"build": "tsc"
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},
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"author": "Kostas Drakontidis",
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"license": "ISC",
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"description": "Electron Client for WebRTC",
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"devDependencies": {
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"@types/node": "^24.0.14",
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"electron": "^37.2.2",
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"electron-builder": "^26.0.12",
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"typescript": "^5.8.3"
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}
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}
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@@ -0,0 +1,113 @@
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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": "es2021", /* 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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// "libReplacement": true, /* Enable lib replacement. */
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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": "./app", /* Specify the root folder within your source files. */
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"moduleResolution": "node", /* 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": ["electron"], /* 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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// "rewriteRelativeImportExtensions": true, /* Rewrite '.ts', '.tsx', '.mts', and '.cts' file extensions in relative import paths to their JavaScript equivalent in output files. */
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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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// "noUncheckedSideEffectImports": true, /* Check side effect 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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// "noEmit": true, /* Disable emitting files from a compilation. */
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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": "./app/dist", /* Specify an output folder for all emitted files. */
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// "removeComments": true, /* Disable emitting comments. */
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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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// "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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/* 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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// "isolatedDeclarations": true, /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */
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// "erasableSyntaxOnly": true, /* Do not allow runtime constructs that are not part of ECMAScript. */
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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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// "strictBuiltinIteratorReturn": true, /* Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'. */
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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. */
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// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
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// "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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}
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