Nico Verbruggen
82f32460cb
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77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
import { createServer } from 'node:http';
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import { createReadStream, readFileSync, statSync, existsSync } from 'node:fs';
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import { join, extname } from 'node:path';
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const DIST = join(import.meta.dirname, 'dist');
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const PORT = process.env.PORT || 8888;
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const UMAMI_WEBSITE_ID = process.env.UMAMI_WEBSITE_ID || '';
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const UMAMI_SCRIPT_URL = process.env.UMAMI_SCRIPT_URL || '';
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const analyticsEnabled = !!(UMAMI_WEBSITE_ID && UMAMI_SCRIPT_URL);
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// Pre-build the analytics snippet (injected before </head> in index.html)
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let analyticsSnippet = '';
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if (analyticsEnabled) {
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analyticsSnippet =
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` <script>window.__ANALYTICS_ENABLED=true</script>\n` +
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` <script defer src="${UMAMI_SCRIPT_URL}" data-website-id="${UMAMI_WEBSITE_ID}"></script>\n`;
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}
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// Cache the processed index.html at startup
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let cachedIndexHtml = null;
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function getIndexHtml() {
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if (cachedIndexHtml) return cachedIndexHtml;
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const indexPath = join(DIST, 'index.html');
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if (!existsSync(indexPath)) return null;
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let html = readFileSync(indexPath, 'utf-8');
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if (analyticsSnippet) {
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html = html.replace('</head>', analyticsSnippet + '</head>');
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}
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cachedIndexHtml = html;
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return cachedIndexHtml;
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}
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const MIME = {
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'.html': 'text/html',
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'.css': 'text/css',
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'.js': 'application/javascript',
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'.json': 'application/json',
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'.wasm': 'application/wasm',
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'.zip': 'application/zip',
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'.tgz': 'application/gzip',
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'.svg': 'image/svg+xml',
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'.png': 'image/png',
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'.ico': 'image/x-icon',
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'.webmanifest': 'application/manifest+json',
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};
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createServer((req, res) => {
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const url = new URL(req.url, `http://localhost`);
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let filePath = join(DIST, decodeURIComponent(url.pathname));
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if (filePath.endsWith('/')) filePath = join(filePath, 'index.html');
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if (!extname(filePath) && existsSync(filePath + '/index.html')) filePath += '/index.html';
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// Serve processed index.html with analytics injection
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if (filePath.endsWith('index.html')) {
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const html = getIndexHtml();
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if (html) {
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res.writeHead(200, { 'Content-Type': 'text/html' });
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res.end(html);
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return;
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}
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}
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try {
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const stat = statSync(filePath);
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if (!stat.isFile()) throw new Error();
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res.writeHead(200, { 'Content-Type': MIME[extname(filePath)] || 'application/octet-stream' });
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createReadStream(filePath).pipe(res);
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} catch {
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res.writeHead(404, { 'Content-Type': 'text/plain' });
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res.end('Not found');
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}
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}).listen(PORT, () => {
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console.log(`Serving web/dist on http://localhost:${PORT}` + (analyticsEnabled ? ' (analytics enabled)' : ''));
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});
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