From 27bededc65bd0953b261ff57507334d465ad92c3 Mon Sep 17 00:00:00 2001
From: "gaoyuan.1226" <gaoyuan.1226@bytedance.com>
Date: Thu, 30 Oct 2025 12:04:09 +0800
Subject: [PATCH 1/2] fix: loadBundle inspect offset

---
 e2e/cases/server/ssr/rsbuild.config.ts | 4 +++-
 packages/core/src/server/runner/cjs.ts | 8 +++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/e2e/cases/server/ssr/rsbuild.config.ts b/e2e/cases/server/ssr/rsbuild.config.ts
index 0df8b244a8..1734b3dec1 100644
--- a/e2e/cases/server/ssr/rsbuild.config.ts
+++ b/e2e/cases/server/ssr/rsbuild.config.ts
@@ -1,3 +1,4 @@
+import inspector from 'node:inspector';
 import {
   defineConfig,
   logger,
@@ -25,6 +26,7 @@ export const serverRender =
 export default defineConfig({
   plugins: [pluginReact()],
   dev: {
+    writeToDisk: inspector.url() !== undefined,
     setupMiddlewares: ({ unshift }, context) => {
       const serverRenderMiddleware = serverRender(context);
 
@@ -53,7 +55,7 @@ export default defineConfig({
     },
     node: {
       output: {
-        module: true,
+        module: process.env.TEST_ESM_LIBRARY === 'true',
         target: 'node',
       },
       source: {
diff --git a/packages/core/src/server/runner/cjs.ts b/packages/core/src/server/runner/cjs.ts
index 062347a8b5..8eb12f5294 100644
--- a/packages/core/src/server/runner/cjs.ts
+++ b/packages/core/src/server/runner/cjs.ts
@@ -110,9 +110,9 @@ export class CommonJsRunner extends BasicRunner {
 
       const args = Object.keys(currentModuleScope);
       const argValues = args.map((arg) => currentModuleScope[arg]);
-      const code = `(function(${args.join(', ')}) {
-        ${file.content}
-      })`;
+
+      const codeDefinition = `(function(${args.join(', ')}) {`;
+      const code = `${codeDefinition}${file.content}\n})`;
 
       this.preExecute(code, file);
       const dynamicImport = new Function(
@@ -122,6 +122,8 @@ export class CommonJsRunner extends BasicRunner {
       // Runs the compiled code contained by the `vm.Script` within the context of the current `global` object.
       const fn = vm.runInThisContext(code, {
         filename: file.path,
+        lineOffset: 0,
+        columnOffset: -codeDefinition.length,
         // Specify how the modules should be loaded during the evaluation of this script when `import()` is called.
         importModuleDynamically: async (specifier) => {
           const result = await dynamicImport(specifier);

From 5bcab239e7fa4f0dfc3db0e5d42ee9364e2d505d Mon Sep 17 00:00:00 2001
From: "gaoyuan.1226" <gaoyuan.1226@bytedance.com>
Date: Thu, 30 Oct 2025 13:49:46 +0800
Subject: [PATCH 2/2] docs: add comments

---
 e2e/cases/server/ssr/rsbuild.config.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/e2e/cases/server/ssr/rsbuild.config.ts b/e2e/cases/server/ssr/rsbuild.config.ts
index 1734b3dec1..b3bae4c502 100644
--- a/e2e/cases/server/ssr/rsbuild.config.ts
+++ b/e2e/cases/server/ssr/rsbuild.config.ts
@@ -26,6 +26,7 @@ export const serverRender =
 export default defineConfig({
   plugins: [pluginReact()],
   dev: {
+    // enable writeToDisk to make sure the sourcemap files are generated on disk for debugging
     writeToDisk: inspector.url() !== undefined,
     setupMiddlewares: ({ unshift }, context) => {
       const serverRenderMiddleware = serverRender(context);