From a45a32b73e75117383b8f23f9dcc79841c462a5d Mon Sep 17 00:00:00 2001
From: Alexander <github@lichter.io>
Date: Thu, 1 May 2025 14:44:54 +0200
Subject: [PATCH 1/3] feat(plugin-vue): use transformWithOxc if rolldown-vite
 is detected

---
 packages/plugin-vue/src/main.ts | 53 +++++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 16 deletions(-)

diff --git a/packages/plugin-vue/src/main.ts b/packages/plugin-vue/src/main.ts
index d3c1226d..bce531a7 100644
--- a/packages/plugin-vue/src/main.ts
+++ b/packages/plugin-vue/src/main.ts
@@ -256,22 +256,43 @@ export async function transformMain(
     /tsx?$/.test(lang) &&
     !descriptor.script?.src // only normal script can have src
   ) {
-    const { code, map } = await transformWithEsbuild(
-      resolvedCode,
-      filename,
-      {
-        target: 'esnext',
-        charset: 'utf8',
-        // #430 support decorators in .vue file
-        // target can be overridden by esbuild config target
-        ...options.devServer?.config.esbuild,
-        loader: 'ts',
-        sourcemap: options.sourceMap,
-      },
-      resolvedMap,
-    )
-    resolvedCode = code
-    resolvedMap = resolvedMap ? (map as any) : resolvedMap
+    // @ts-ignore Rolldown-specific
+    const { rolldownVersion, transformWithOxc } = await import('vite')
+    if (rolldownVersion) {
+      const { code, map } = await transformWithOxc(
+        resolvedCode,
+        filename,
+        {
+          target: 'esnext',
+          charset: 'utf8',
+          // #430 support decorators in .vue file
+          // target can be overridden by esbuild config target
+          ...options.devServer?.config.esbuild,
+          loader: 'ts',
+          sourcemap: options.sourceMap,
+        },
+        resolvedMap,
+      )
+      resolvedCode = code
+      resolvedMap = resolvedMap ? (map as any) : resolvedMap
+    } else {
+      const { code, map } = await transformWithEsbuild(
+        resolvedCode,
+        filename,
+        {
+          target: 'esnext',
+          charset: 'utf8',
+          // #430 support decorators in .vue file
+          // target can be overridden by esbuild config target
+          ...options.devServer?.config.esbuild,
+          loader: 'ts',
+          sourcemap: options.sourceMap,
+        },
+        resolvedMap,
+      )
+      resolvedCode = code
+      resolvedMap = resolvedMap ? (map as any) : resolvedMap
+    }
   }
 
   return {

From cd72fe2491824b245ebfb03d9f5f7fc923e31a51 Mon Sep 17 00:00:00 2001
From: Alexander Lichter <github@lichter.io>
Date: Fri, 2 May 2025 12:38:12 +0200
Subject: [PATCH 2/3] refactor: easier check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: 翠 / green <green@sapphi.red>
---
 packages/plugin-vue/src/main.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/plugin-vue/src/main.ts b/packages/plugin-vue/src/main.ts
index bce531a7..67a6d91e 100644
--- a/packages/plugin-vue/src/main.ts
+++ b/packages/plugin-vue/src/main.ts
@@ -257,8 +257,8 @@ export async function transformMain(
     !descriptor.script?.src // only normal script can have src
   ) {
     // @ts-ignore Rolldown-specific
-    const { rolldownVersion, transformWithOxc } = await import('vite')
-    if (rolldownVersion) {
+    const { transformWithOxc } = await import('vite')
+    if (transformWithOxc) {
       const { code, map } = await transformWithOxc(
         resolvedCode,
         filename,

From 5586694da7ee90565fc5fa865488fe75a7e4d74e Mon Sep 17 00:00:00 2001
From: Alexander Lichter <github@lichter.io>
Date: Fri, 2 May 2025 12:38:37 +0200
Subject: [PATCH 3/3] fix: oxc transform config
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: 翠 / green <green@sapphi.red>
---
 packages/plugin-vue/src/main.ts | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/packages/plugin-vue/src/main.ts b/packages/plugin-vue/src/main.ts
index 67a6d91e..b19162b2 100644
--- a/packages/plugin-vue/src/main.ts
+++ b/packages/plugin-vue/src/main.ts
@@ -263,12 +263,11 @@ export async function transformMain(
         resolvedCode,
         filename,
         {
-          target: 'esnext',
-          charset: 'utf8',
           // #430 support decorators in .vue file
-          // target can be overridden by esbuild config target
-          ...options.devServer?.config.esbuild,
-          loader: 'ts',
+          // target can be overridden by oxc config target
+          // @ts-ignore Rolldown-specific
+          ...options.devServer?.config.oxc,
+          lang: 'ts',
           sourcemap: options.sourceMap,
         },
         resolvedMap,