Greg Pomerantz
efde2cc71b
- DESIGN.md: full design incl. driving-trip requirements (R1-R4), stays model, focus mode, mobile, provenance rules - SURVEY.md: open-source landscape - mock/: interaction mock (Florence itinerary, focus mode, stays, region stops, mobile layout) - router/: Go module (stdlib-only) with Router interface (Valhalla + OSRM backends), stop_cost, optimize_stops, corridor, routectl CLI, bench (5 real NE-corridor tasks, 26 checks passing), integration tests, and setup-osrm.sh for the self-hosted router - osm/: NH+MA+CT+NY PBFs (gitignored) + setup artifacts
59 lines
2.6 KiB
JavaScript
59 lines
2.6 KiB
JavaScript
// Mock server: static UI + local tile backend (proxy -> OSM, disk-cached).
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// The UI only ever talks to localhost; swap the upstream for a real
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// tileserver-gl later without touching the frontend.
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const http = require('http');
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const fs = require('fs');
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const path = require('path');
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const { Readable } = require('stream');
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const PORT = 8077;
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const ROOT = __dirname;
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const CACHE = path.join(__dirname, '.tilecache');
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fs.mkdirSync(CACHE, { recursive: true });
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const mime = {
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'.html': 'text/html', '.js': 'text/javascript', '.css': 'text/css',
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'.json': 'application/json', '.svg': 'image/svg+xml', '.png': 'image/png',
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};
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http.createServer((req, res) => {
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const u = new URL(req.url, 'http://x');
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// ---- tile backend -------------------------------------------------
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if (u.pathname.startsWith('/tiles/')) {
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const parts = u.pathname.split('/');
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const [z, x, y] = [parts[2], parts[3], (parts[4] || '').replace(/\.png$/, '')];
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if (!/^\d+$/.test(z) || !/^\d+$/.test(x) || !/^\d+$/.test(y)) { res.writeHead(400); return res.end(); }
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const file = path.join(CACHE, `${z}/${x}`, `${y}.png`);
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const upstream = `https://tile.openstreetmap.org/${z}/${x}/${y}.png`;
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res.setHeader('Access-Control-Allow-Origin', '*');
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res.setHeader('Content-Type', 'image/png');
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res.setHeader('Cache-Control', 'public, max-age=86400');
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if (fs.existsSync(file)) { res.writeHead(200); fs.createReadStream(file).pipe(res); return; }
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fs.mkdirSync(path.dirname(file), { recursive: true });
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const fail = (code) => { if (!res.headersSent) { res.writeHead(code); res.end(); } else res.destroy(); };
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fetch(upstream, { headers: { 'User-Agent': 'mapmock-dev/0.1 (local tile proxy)', 'Referer': `http://localhost:${PORT}/` } })
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.then(r => {
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if (!r.ok) { return fail(r.status); }
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const body = Readable.fromWeb(r.body);
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body.on('error', () => fail(502));
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res.writeHead(200);
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const ws = fs.createWriteStream(file, { flags: 'x' });
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ws.on('error', () => {});
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body.pipe(ws); body.pipe(res);
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})
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.catch(() => fail(502));
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return;
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}
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// ---- static -------------------------------------------------------
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let p = u.pathname === '/' ? '/index.html' : u.pathname;
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const file = path.join(ROOT, p);
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if (!file.startsWith(ROOT)) { res.writeHead(403); return res.end(); }
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fs.readFile(file, (e, d) => {
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if (e) { res.writeHead(404); return res.end('not found'); }
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res.writeHead(200, { 'Content-Type': mime[path.extname(file)] || 'application/octet-stream' });
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res.end(d);
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});
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}).listen(PORT, '0.0.0.0', () => console.log(`map mock: http://localhost:${PORT} (tiles: /tiles/{z}/{x}/{y}.png)`));
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