feat(core): Integrate Rolldown as optional bundler, migrate filesystem to smartfs, and update bundler/tooling

test/test.ts

@@ -3,16 +3,19 @@ import * as tsbundle from '../dist_ts/index.js';
 import * as path from 'path';
 import * as fs from 'fs';
 
-const testBundler = async (bundlerName: 'esbuild' | 'rolldown' | 'rspack', mode: 'test' | 'production') => {
+const testBundler = async (
+  bundlerName: 'esbuild' | 'rolldown' | 'rspack',
+  mode: 'test' | 'production',
+) => {
   const outputFile = `./dist_manual/${bundlerName}-${mode}.js`;
   const testDir = path.join(process.cwd(), 'test');
-  
+
   // Clean up output directory
   const outputDir = path.join(testDir, 'dist_manual');
   if (!fs.existsSync(outputDir)) {
     fs.mkdirSync(outputDir, { recursive: true });
   }
-  
+
   // Clean up output file if exists
   const outputPath = path.join(testDir, outputFile);
   if (fs.existsSync(outputPath)) {
@@ -20,19 +23,14 @@ const testBundler = async (bundlerName: 'esbuild' | 'rolldown' | 'rspack', mode:
   }
 
   const tsbundleInstance = new tsbundle.TsBundle();
-  await tsbundleInstance.build(
-    testDir,
-    './ts_web/index.ts',
-    outputFile,
-    {
-      bundler: bundlerName,
-      production: mode === 'production'
-    }
-  );
+  await tsbundleInstance.build(testDir, './ts_web/index.ts', outputFile, {
+    bundler: bundlerName,
+    production: mode === 'production',
+  });
 
   // Verify output file was created
   expect(fs.existsSync(outputPath)).toBeTrue();
-  
+
   console.log(`✅ ${bundlerName} ${mode} mode: success`);
 };
 
@@ -69,7 +67,7 @@ tap.test('should show bundle size comparison', async () => {
   const sizes: Record<string, { test: number; production: number }> = {
     esbuild: { test: 0, production: 0 },
     rolldown: { test: 0, production: 0 },
-    rspack: { test: 0, production: 0 }
+    rspack: { test: 0, production: 0 },
   };
 
   for (const bundler of ['esbuild', 'rolldown', 'rspack'] as const) {
@@ -89,10 +87,12 @@ tap.test('should show bundle size comparison', async () => {
   for (const bundler of ['esbuild', 'rolldown', 'rspack'] as const) {
     const testSize = (sizes[bundler].test / 1024).toFixed(1) + ' KB';
     const prodSize = (sizes[bundler].production / 1024).toFixed(1) + ' KB';
-    console.log(`│ ${bundler.padEnd(11)} │ ${testSize.padEnd(10)} │ ${prodSize.padEnd(12)} │`);
+    console.log(
+      `│ ${bundler.padEnd(11)} │ ${testSize.padEnd(10)} │ ${prodSize.padEnd(12)} │`,
+    );
   }
   console.log('└─────────────┴────────────┴──────────────┘');
-  
+
   // Verify all sizes are reasonable
   for (const bundler of ['esbuild', 'rolldown', 'rspack'] as const) {
     expect(sizes[bundler].test).toBeGreaterThan(0);