From 0278f8955b3034edaf7525e553e4bd58a5ec8a31 Mon Sep 17 00:00:00 2001
From: Timeless0911 <1604889533@qq.com>
Date: Mon, 24 Nov 2025 20:20:43 +0800
Subject: [PATCH] fix: clean declaration maps before the build starts

---
 packages/plugin-dts/src/index.ts |  2 +-
 packages/plugin-dts/src/utils.ts |  9 ++++++++-
 tests/scripts/shared.ts          | 12 +++++++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/packages/plugin-dts/src/index.ts b/packages/plugin-dts/src/index.ts
index ecb7fafcc..1816efe93 100644
--- a/packages/plugin-dts/src/index.ts
+++ b/packages/plugin-dts/src/index.ts
@@ -159,7 +159,7 @@ export const pluginDts = (options: PluginDtsOptions = {}): RsbuildPlugin => ({
         warnIfOutside(cwd, declarationDir, 'declarationDir');
         warnIfOutside(cwd, outDir, 'outDir');
 
-        // clean dts files
+        // clean dts files and maps
         if (config.output.cleanDistPath !== false) {
           await cleanDtsFiles(dtsEmitPath);
         }
diff --git a/packages/plugin-dts/src/utils.ts b/packages/plugin-dts/src/utils.ts
index 412f7f05a..44846932a 100644
--- a/packages/plugin-dts/src/utils.ts
+++ b/packages/plugin-dts/src/utils.ts
@@ -612,7 +612,14 @@ export const globDtsFiles = async (
 };
 
 export async function cleanDtsFiles(dir: string): Promise<void> {
-  const patterns = ['/**/*.d.ts', '/**/*.d.cts', '/**/*.d.mts'];
+  const patterns = [
+    '/**/*.d.ts',
+    '/**/*.d.cts',
+    '/**/*.d.mts',
+    '/**/*.d.ts.map',
+    '/**/*.d.cts.map',
+    '/**/*.d.mts.map',
+  ];
   const allFiles = await globDtsFiles(dir, patterns);
 
   await Promise.all(
diff --git a/tests/scripts/shared.ts b/tests/scripts/shared.ts
index 1b220222d..af226ce38 100644
--- a/tests/scripts/shared.ts
+++ b/tests/scripts/shared.ts
@@ -465,14 +465,24 @@ export async function createTempFiles(
   const tempDirEsm = join(fixturePath, 'dist-types', 'esm');
   const tempFileCjs = join(tempDirCjs, 'tempFile.d.ts');
   const tempFileEsm = join(tempDirEsm, 'tempFile.d.ts');
+  const tempFileMapCjs = join(tempDirCjs, 'tempFile.d.ts.map');
+  const tempFileMapEsm = join(tempDirEsm, 'tempFile.d.ts.map');
 
   await fs.promises.mkdir(tempDirCjs, { recursive: true });
   await fs.promises.mkdir(tempDirEsm, { recursive: true });
 
   await fs.promises.writeFile(tempFileCjs, 'console.log("temp file for cjs");');
   await fs.promises.writeFile(tempFileEsm, 'console.log("temp file for esm");');
+  await fs.promises.writeFile(
+    tempFileMapCjs,
+    'console.log("temp map file for cjs");',
+  );
+  await fs.promises.writeFile(
+    tempFileMapEsm,
+    'console.log("temp map file for esm");',
+  );
 
-  checkFile.push(tempFileCjs, tempFileEsm);
+  checkFile.push(tempFileCjs, tempFileEsm, tempFileMapCjs, tempFileMapEsm);
 
   if (bundle) {
     const tempDirRslib = join(fixturePath, '.rslib', 'declarations', 'cjs');