Build: vendor MP3 encoder

scripts/build.mjs

@@ -9,7 +9,7 @@ import { writeIcons } from './icons.mjs';
 const root = new URL('..', import.meta.url).pathname;
 const dist = join(root, 'dist');
 const pkg = join(root, 'node_modules', 'phonon-tts');
-if (!existsSync(pkg)) execSync('npm install --no-audit --no-fund', { cwd: root, stdio: 'inherit' });
+if (!existsSync(pkg) || !existsSync(join(root, 'node_modules', '@breezystack', 'lamejs'))) execSync('npm install --no-audit --no-fund', { cwd: root, stdio: 'inherit' });
 
 rmSync(dist, { recursive: true, force: true });
 mkdirSync(dist);
@@ -26,6 +26,11 @@ for (const f of readdirSync(pkg)) {
   }
 }
 
+const lame = join(root, 'node_modules', '@breezystack', 'lamejs');
+mkdirSync(join(dist, 'vendor', 'lamejs'), { recursive: true });
+cpSync(join(lame, 'dist', 'lamejs.js'), join(dist, 'vendor', 'lamejs', 'lamejs.js'));
+if (existsSync(join(lame, 'LICENSE'))) cpSync(join(lame, 'LICENSE'), join(dist, 'vendor', 'lamejs', 'LICENSE'));
+
 const files = [];
 const walk = (d) => readdirSync(d).forEach((n) => { const p = join(d, n); statSync(p).isDirectory() ? walk(p) : files.push(p); });
 walk(dist);