Initial commit: browser OSM city generator

build.mjs

@@ -0,0 +1,31 @@
+// Сборка: node build.mjs [--serve] [--port 5173]
+import * as esbuild from 'esbuild';
+import { cpSync, mkdirSync } from 'node:fs';
+
+const serve = process.argv.includes('--serve');
+const portArg = process.argv.indexOf('--port');
+const port = portArg > 0 ? +process.argv[portArg + 1] : 5173;
+
+mkdirSync('dist', { recursive: true });
+cpSync('public', 'dist', { recursive: true });
+
+const options = {
+  entryPoints: { main: 'src/main.ts', worker: 'src/gen/worker.ts' },
+  outdir: 'dist',
+  bundle: true,
+  format: 'esm',
+  target: 'es2022',
+  sourcemap: true,
+  minify: !serve,
+  logLevel: 'info',
+};
+
+if (serve) {
+  const ctx = await esbuild.context(options);
+  await ctx.watch();
+  const { host } = await ctx.serve({ servedir: 'dist', port });
+  console.log(`\n  Открыть: http://localhost:${port}/\n`);
+  void host;
+} else {
+  await esbuild.build(options);
+}