From dbde5660d119a2c74a41dc9358272cb1ba1d5978 Mon Sep 17 00:00:00 2001
From: "Mr.Hope" <mister-hope@outlook.com>
Date: Tue, 19 May 2026 16:47:23 +0800
Subject: [PATCH 1/2] feat(bundler-vite): add configVite option

---
 .../bundler-vite/src/resolveViteConfig.ts     | 20 +++++++++++++++++--
 packages/bundler-vite/src/types.ts            |  5 +++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/packages/bundler-vite/src/resolveViteConfig.ts b/packages/bundler-vite/src/resolveViteConfig.ts
index 63f979519a..9058a57b8c 100644
--- a/packages/bundler-vite/src/resolveViteConfig.ts
+++ b/packages/bundler-vite/src/resolveViteConfig.ts
@@ -22,8 +22,9 @@ export const resolveViteConfig = ({
   options: ViteBundlerOptions
   isBuild: boolean
   isServer: boolean
-}): InlineConfig =>
-  mergeConfig(
+}): InlineConfig => {
+  // generate base vite config
+  let viteConfig = mergeConfig(
     {
       clearScreen: false,
       configFile: false,
@@ -43,3 +44,18 @@ export const resolveViteConfig = ({
     // some vite options would not take effect inside a plugin, so we still need to merge them here in addition to userConfigPlugin
     options.viteOptions ?? {},
   )
+
+  // allow modifying vite config via `configureVite`
+  const configureViteResult = options.configureVite?.(
+    viteConfig,
+    isServer,
+    isBuild,
+  )
+
+  // if `configureVite` returns a configuration object, use vite's mergeConfig to merge it
+  if (configureViteResult) {
+    viteConfig = mergeConfig(viteConfig, configureViteResult)
+  }
+
+  return viteConfig
+}
diff --git a/packages/bundler-vite/src/types.ts b/packages/bundler-vite/src/types.ts
index dde557c177..70be27637d 100644
--- a/packages/bundler-vite/src/types.ts
+++ b/packages/bundler-vite/src/types.ts
@@ -8,4 +8,9 @@ import type { InlineConfig } from 'vite'
 export interface ViteBundlerOptions extends BundlerOptions {
   viteOptions?: InlineConfig
   vuePluginOptions?: VuePluginOptions
+  configureVite?: (
+    config: InlineConfig,
+    isServer: boolean,
+    isBuild: boolean,
+  ) => InlineConfig | void
 }

From d705253ee86a24566c3b42a1dafbf3e128e6a8f4 Mon Sep 17 00:00:00 2001
From: "Mr.Hope" <mister-hope@outlook.com>
Date: Wed, 20 May 2026 10:47:46 +0800
Subject: [PATCH 2/2] chore: add comments

---
 packages/bundler-vite/src/types.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/packages/bundler-vite/src/types.ts b/packages/bundler-vite/src/types.ts
index 70be27637d..1afe2d7857 100644
--- a/packages/bundler-vite/src/types.ts
+++ b/packages/bundler-vite/src/types.ts
@@ -6,8 +6,22 @@ import type { InlineConfig } from 'vite'
  * Options for bundler-vite
  */
 export interface ViteBundlerOptions extends BundlerOptions {
+  /**
+   * Vite options
+   */
   viteOptions?: InlineConfig
+  /**
+   * Options for @vitejs/plugin-vue
+   */
   vuePluginOptions?: VuePluginOptions
+  /**
+   * Modify Vite config
+   *
+   * @param config - Vite config
+   * @param isServer - Whether it is server bundle
+   * @param isBuild - Whether in build mode
+   * @returns Vite config to be merged with the default config
+   */
   configureVite?: (
     config: InlineConfig,
     isServer: boolean,