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@ -2,11 +2,153 @@
@@ -2,11 +2,153 @@
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const { app, BrowserWindow, ipcMain, shell, Menu } = require('electron') |
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const fs = require('fs') |
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const http = require('http') |
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const path = require('path') |
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/** True when running from source (`electron .`); false when packaged. */ |
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const isDev = !app.isPackaged |
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/** Stable loopback origin for packaged builds so YouTube embeds get a real `origin` (see YoutubeEmbeddedPlayer). */ |
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const PACKAGED_STATIC_PORT_START = 45279 |
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const PACKAGED_STATIC_PORT_TRIES = 40 |
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const MIME = { |
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'.html': 'text/html; charset=utf-8', |
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'.js': 'application/javascript; charset=utf-8', |
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'.mjs': 'application/javascript; charset=utf-8', |
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'.css': 'text/css; charset=utf-8', |
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'.json': 'application/json', |
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'.png': 'image/png', |
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'.jpg': 'image/jpeg', |
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'.jpeg': 'image/jpeg', |
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'.gif': 'image/gif', |
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'.webp': 'image/webp', |
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'.svg': 'image/svg+xml', |
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'.ico': 'image/x-icon', |
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'.woff': 'font/woff', |
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'.woff2': 'font/woff2', |
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'.webmanifest': 'application/manifest+json', |
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'.txt': 'text/plain; charset=utf-8', |
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'.wasm': 'application/wasm', |
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'.map': 'application/json' |
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} |
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let packagedStaticServer = null |
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/** @type {string | null} */ |
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let packagedStaticBaseUrl = null |
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/** @type {Promise<string> | null} */ |
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let packagedStaticStartPromise = null |
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function resolveUnderDist(distDir, pathname) { |
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let rel = pathname |
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try { |
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rel = decodeURIComponent(pathname) |
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} catch { |
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return null |
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} |
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rel = rel.replace(/^\/+/, '') |
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const candidate = path.resolve(distDir, rel) |
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const root = path.resolve(distDir) |
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const prefix = root.endsWith(path.sep) ? root : root + path.sep |
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if (candidate !== root && !candidate.startsWith(prefix)) return null |
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return candidate |
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} |
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function createPackagedStaticHandler(distDir) { |
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const indexPath = path.join(distDir, 'index.html') |
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return function handleRequest(req, res) { |
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if (req.method !== 'GET' && req.method !== 'HEAD') { |
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res.writeHead(405).end() |
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return |
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} |
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let pathname = '/' |
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try { |
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pathname = new URL(req.url || '/', 'http://127.0.0.1').pathname |
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} catch { |
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pathname = '/' |
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} |
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const sendIndex = () => { |
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fs.readFile(indexPath, (err, data) => { |
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if (err) { |
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res.writeHead(500).end('Missing index.html') |
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return |
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} |
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res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8', 'Content-Length': data.length }) |
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res.end(req.method === 'HEAD' ? undefined : data) |
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}) |
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} |
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const filePath = resolveUnderDist(distDir, pathname) |
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if (!filePath) { |
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res.writeHead(403).end() |
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return |
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} |
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fs.stat(filePath, (err, st) => { |
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if (!err && st.isFile()) { |
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const ext = path.extname(filePath).toLowerCase() |
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const ct = MIME[ext] || 'application/octet-stream' |
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res.writeHead(200, { 'Content-Type': ct, 'Content-Length': st.size }) |
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if (req.method === 'HEAD') { |
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res.end() |
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return |
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} |
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fs.createReadStream(filePath).pipe(res) |
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return |
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} |
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sendIndex() |
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}) |
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} |
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} |
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function startPackagedStaticServer(distDir) { |
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return new Promise((resolve, reject) => { |
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const handler = createPackagedStaticHandler(distDir) |
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const server = http.createServer(handler) |
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const listenOn = (port, attempt) => { |
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if (attempt >= PACKAGED_STATIC_PORT_TRIES) { |
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reject(new Error('No free port for packaged static server')) |
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return |
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} |
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const onErr = (err) => { |
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server.removeListener('error', onErr) |
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if (err && err.code === 'EADDRINUSE') { |
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listenOn(port + 1, attempt + 1) |
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} else { |
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reject(err) |
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} |
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} |
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server.on('error', onErr) |
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server.listen(port, '127.0.0.1', () => { |
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server.removeListener('error', onErr) |
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packagedStaticServer = server |
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const addr = server.address() |
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const p = typeof addr === 'object' && addr ? addr.port : port |
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packagedStaticBaseUrl = `http://127.0.0.1:${p}` |
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resolve(packagedStaticBaseUrl) |
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}) |
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} |
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listenOn(PACKAGED_STATIC_PORT_START, 0) |
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}) |
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} |
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function ensurePackagedStaticBaseUrl() { |
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if (packagedStaticBaseUrl) return Promise.resolve(packagedStaticBaseUrl) |
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if (!packagedStaticStartPromise) { |
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const distDir = path.join(__dirname, '..', 'dist') |
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packagedStaticStartPromise = startPackagedStaticServer(distDir).catch((err) => { |
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packagedStaticStartPromise = null |
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throw err |
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}) |
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} |
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return packagedStaticStartPromise |
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} |
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function resolveWindowIcon() { |
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const candidates = isDev |
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? [path.join(__dirname, '..', 'public', 'favicon.png')] |
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@ -30,7 +172,20 @@ function loadRenderer(win) {
@@ -30,7 +172,20 @@ function loadRenderer(win) {
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} |
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return |
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} |
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void ensurePackagedStaticBaseUrl() |
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.then((baseUrl) => { |
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if (win.isDestroyed()) return |
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const u = new URL('/', baseUrl) |
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u.search = '' |
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u.hash = '' |
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void win.loadURL(u.href) |
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}) |
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.catch((err) => { |
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console.error('Packaged static server failed, falling back to file://', err) |
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if (!win.isDestroyed()) { |
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void win.loadFile(path.join(__dirname, '..', 'dist', 'index.html')) |
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} |
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}) |
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} |
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function createWindow() { |
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@ -107,6 +262,19 @@ app.whenReady().then(() => {
@@ -107,6 +262,19 @@ app.whenReady().then(() => {
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}) |
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}) |
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app.on('will-quit', () => { |
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if (packagedStaticServer) { |
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try { |
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packagedStaticServer.close() |
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} catch { |
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// ignore |
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} |
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packagedStaticServer = null |
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packagedStaticBaseUrl = null |
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packagedStaticStartPromise = null |
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} |
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}) |
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app.on('window-all-closed', () => { |
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if (process.platform !== 'darwin') app.quit() |
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}) |
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