Docs: Update benchmark for test 4

tests/4_transpiler/outputs/google_gemini-2.5-pro.js

@@ -0,0 +1,60 @@
+const bundleApp = async (entryFile, files) => {
+  const Babel = (await import('https://cdn.jsdelivr.net/npm/@babel/standalone@7/babel.min.js')).default;
+
+  const resolvePath = (base, relative) => {
+    if (!/^\./.test(relative)) return relative;
+    const stack = base.split('/').slice(0, -1);
+    relative.split('/').forEach(part => {
+      if (part === '..') stack.pop();
+      else if (part !== '.') stack.push(part);
+    });
+    return stack.join('/');
+  };
+
+  const modules = [];
+  const moduleMap = new Map();
+
+  const createModule = async (filename) => {
+    if (moduleMap.has(filename)) return moduleMap.get(filename);
+
+    const code = files[filename];
+    if (code === undefined) throw new Error(`File not found: ${filename}`);
+
+    const id = modules.length;
+    moduleMap.set(filename, id);
+    modules.push(null);
+
+    const { code: transformedCode } = Babel.transform(code, { presets: ['env'] });
+    const depRegex = /(?<![.\w$])require\s*\(['"]([^'"]+)['"]\)/g;
+    const dependencies = [...transformedCode.matchAll(depRegex)].map(m => m[1]);
+
+    const mapping = {};
+    await Promise.all(dependencies.map(async depPath => {
+      const absPath = resolvePath(filename, depPath);
+      mapping[depPath] = await createModule(absPath);
+    }));
+
+    modules[id] = { code: transformedCode, mapping };
+    return id;
+  };
+
+  const entryId = await createModule(entryFile);
+
+  const moduleDefs = modules.map(
+    ({ code, mapping }) => `[function(require,module,exports){${code}},${JSON.stringify(mapping)}]`
+  ).join(',');
+
+  return `(function() {
+  const modules = [${moduleDefs}];
+  const cache = {};
+  const require = id => {
+    if (cache[id]) return cache[id].exports;
+    const [fn, mapping] = modules[id];
+    const module = cache[id] = { exports: {} };
+    fn(path => require(mapping[path]), module, module.exports);
+    return module.exports;
+  };
+  return require(${entryId});
+})()`;
+};
+export default bundleApp;