follow PugJs

src/playground/run_js.js

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+/**
+ * JS Pug - Process all .pug files in playground folder
+ */
+
+const fs = require('fs');
+const path = require('path');
+const pug = require('../../pug');
+
+const dir = path.join(__dirname, 'examples');
+
+// Get all .pug files
+const pugFiles = fs.readdirSync(dir)
+  .filter(f => f.endsWith('.pug'))
+  .sort();
+
+console.log('=== JS Pug Playground ===\n');
+console.log(`Found ${pugFiles.length} .pug files\n`);
+
+let passed = 0;
+let failed = 0;
+let totalTimeMs = 0;
+
+for (const file of pugFiles) {
+  const filePath = path.join(dir, file);
+  const source = fs.readFileSync(filePath, 'utf8');
+
+  const iterations = 100;
+  let success = false;
+  let html = '';
+  let error = '';
+  let timeMs = 0;
+
+  try {
+    const start = process.hrtime.bigint();
+
+    for (let i = 0; i < iterations; i++) {
+      html = pug.render(source, {
+        filename: filePath,
+        basedir: dir
+      });
+    }
+
+    const end = process.hrtime.bigint();
+    timeMs = Number(end - start) / 1_000_000 / iterations;
+    success = true;
+    passed++;
+    totalTimeMs += timeMs;
+  } catch (e) {
+    error = e.message.split('\n')[0];
+    failed++;
+  }
+
+  if (success) {
+    console.log(`✓ ${file} (${timeMs.toFixed(3)} ms)`);
+    // Show first 200 chars of output
+    const preview = html.replace(/\s+/g, ' ').substring(0, 200);
+    console.log(`  → ${preview}${html.length > 200 ? '...' : ''}\n`);
+  } else {
+    console.log(`✗ ${file}`);
+    console.log(`  → ${error}\n`);
+  }
+}
+
+console.log('=== Summary ===');
+console.log(`Passed: ${passed}/${pugFiles.length}`);
+console.log(`Failed: ${failed}/${pugFiles.length}`);
+if (passed > 0) {
+  console.log(`Total time: ${totalTimeMs.toFixed(3)} ms`);
+  console.log(`Average: ${(totalTimeMs / passed).toFixed(3)} ms per file`);
+}