build: minify final mjs

scripts/minify-mjs.mjs

@@ -0,0 +1,19 @@
+import { minify } from 'terser';
+import { readFileSync, writeFileSync, readdirSync } from 'fs';
+
+for (const file of readdirSync('dist/assets')) {
+  if (!/\.(mjs|js)$/.test(file)) {
+    continue;
+  }
+
+  console.log(`minifying ${file}...`);
+  const isModule = /\.mjs$/.test(file);
+
+  const output = await minify(readFileSync(`dist/assets/${file}`, 'utf-8'), {
+    compress: true,
+    mangle: true,
+    module: isModule,
+  });
+
+  writeFileSync(`dist/assets/${file}`, output.code);
+}