diff --git a/package.json b/package.json
index 8652990..d8e5be9 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,8 @@
     "typescript": "5.8.3",
     "unbuild": "3.5.0",
     "vitest": "3.1.1",
-    "vue": "3.5.13"
+    "vue": "3.5.13",
+    "vue-tsc": "^2.2.8"
   },
   "resolutions": {
     "vue-sfc-transformer": "link:."
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bcf3308..af283a5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -56,7 +56,7 @@ importers:
         version: 15.5.0
       mkdist:
         specifier: 2.3.0
-        version: 2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
+        version: 2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
       pkg-pr-new:
         specifier: ^0.0.42
         version: 0.0.42
@@ -68,13 +68,16 @@ importers:
         version: 5.8.3
       unbuild:
         specifier: 3.5.0
-        version: 3.5.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
+        version: 3.5.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
       vitest:
         specifier: 3.1.1
         version: 3.1.1(@types/debug@4.1.12)(@types/node@22.14.0)(sass@1.86.3)
       vue:
         specifier: 3.5.13
         version: 3.5.13(typescript@5.8.3)
+      vue-tsc:
+        specifier: ^2.2.8
+        version: 2.2.8(typescript@5.8.3)
 
   playground:
     dependencies:
@@ -3456,8 +3459,8 @@ packages:
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
 
-  vue-sfc-transformer@0.1.6:
-    resolution: {integrity: sha512-XEvtDnfg3m5b1Wcv14YqdsXJoPosEVblBwwwtNcV9ge8lmshkAnGLBsp0s3VRWkYKUeSQ9k2H4ZELCKHX8J1Ig==}
+  vue-sfc-transformer@0.1.7:
+    resolution: {integrity: sha512-9VU4yzO2qoYqLpGhviMNRypyB26HA5KLYb8dsNCaPBnGN/tRW0qmu46+NGb/ps4YjxnYSkozeU1EUEcFTqMUZg==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       esbuild: '*'
@@ -4487,17 +4490,14 @@ snapshots:
   '@volar/language-core@2.4.12':
     dependencies:
       '@volar/source-map': 2.4.12
-    optional: true
 
-  '@volar/source-map@2.4.12':
-    optional: true
+  '@volar/source-map@2.4.12': {}
 
   '@volar/typescript@2.4.12':
     dependencies:
       '@volar/language-core': 2.4.12
       path-browserify: 1.0.1
       vscode-uri: 3.1.0
-    optional: true
 
   '@voxpelli/semver-set@6.0.0':
     dependencies:
@@ -4543,7 +4543,6 @@ snapshots:
     dependencies:
       de-indent: 1.0.2
       he: 1.2.0
-    optional: true
 
   '@vue/language-core@2.2.8(typescript@5.8.3)':
     dependencies:
@@ -4557,7 +4556,6 @@ snapshots:
       path-browserify: 1.0.1
     optionalDependencies:
       typescript: 5.8.3
-    optional: true
 
   '@vue/reactivity@3.5.13':
     dependencies:
@@ -4601,8 +4599,7 @@ snapshots:
       json-schema-traverse: 0.4.1
       uri-js: 4.4.1
 
-  alien-signals@1.0.13:
-    optional: true
+  alien-signals@1.0.13: {}
 
   ansi-escapes@7.0.0:
     dependencies:
@@ -4955,8 +4952,7 @@ snapshots:
 
   csstype@3.1.3: {}
 
-  de-indent@1.0.2:
-    optional: true
+  de-indent@1.0.2: {}
 
   debug@3.2.7:
     dependencies:
@@ -5584,8 +5580,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  he@1.2.0:
-    optional: true
+  he@1.2.0: {}
 
   hookable@5.5.3: {}
 
@@ -6202,7 +6197,7 @@ snapshots:
 
   mkdirp@1.0.4: {}
 
-  mkdist@2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3)):
+  mkdist@2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3)):
     dependencies:
       autoprefixer: 10.4.21(postcss@8.5.3)
       citty: 0.1.6
@@ -6221,7 +6216,7 @@ snapshots:
       sass: 1.86.3
       typescript: 5.8.3
       vue: 3.5.13(typescript@5.8.3)
-      vue-sfc-transformer: 0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3))
+      vue-sfc-transformer: 0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3))
       vue-tsc: 2.2.8(typescript@5.8.3)
 
   mlly@1.7.4:
@@ -6235,8 +6230,7 @@ snapshots:
 
   ms@2.1.3: {}
 
-  muggle-string@0.4.1:
-    optional: true
+  muggle-string@0.4.1: {}
 
   nanoid@3.3.8: {}
 
@@ -6368,8 +6362,7 @@ snapshots:
 
   parse-ms@4.0.0: {}
 
-  path-browserify@1.0.1:
-    optional: true
+  path-browserify@1.0.1: {}
 
   path-exists@4.0.0: {}
 
@@ -6957,7 +6950,7 @@ snapshots:
 
   ufo@1.5.4: {}
 
-  unbuild@3.5.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3)):
+  unbuild@3.5.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3)):
     dependencies:
       '@rollup/plugin-alias': 5.1.1(rollup@4.39.0)
       '@rollup/plugin-commonjs': 28.0.2(rollup@4.39.0)
@@ -6973,7 +6966,7 @@ snapshots:
       hookable: 5.5.3
       jiti: 2.4.2
       magic-string: 0.30.17
-      mkdist: 2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
+      mkdist: 2.3.0(sass@1.86.3)(typescript@5.8.3)(vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)))(vue-tsc@2.2.8(typescript@5.8.3))(vue@3.5.13(typescript@5.8.3))
       mlly: 1.7.4
       pathe: 2.0.3
       pkg-types: 2.1.0
@@ -7133,8 +7126,7 @@ snapshots:
       - supports-color
       - terser
 
-  vscode-uri@3.1.0:
-    optional: true
+  vscode-uri@3.1.0: {}
 
   vue-eslint-parser@10.1.2(eslint@9.24.0(jiti@2.4.2)):
     dependencies:
@@ -7149,7 +7141,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  vue-sfc-transformer@0.1.6(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)):
+  vue-sfc-transformer@0.1.7(esbuild@0.25.2)(vue@3.5.13(typescript@5.8.3)):
     dependencies:
       '@babel/parser': 7.27.0
       esbuild: 0.25.2
@@ -7161,7 +7153,6 @@ snapshots:
       '@volar/typescript': 2.4.12
       '@vue/language-core': 2.2.8(typescript@5.8.3)
       typescript: 5.8.3
-    optional: true
 
   vue@3.5.13(typescript@5.8.3):
     dependencies:
diff --git a/src/mkdist.ts b/src/mkdist.ts
index 6613246..ad80dd9 100644
--- a/src/mkdist.ts
+++ b/src/mkdist.ts
@@ -83,12 +83,13 @@ function defineVueLoader(options?: DefineVueLoaderOptions): Loader {
     }
 
     // generate dts
-    await context.loadFile({
+    const files = await context.loadFile({
       path: `${input.path}.js`,
       srcPath: `${input.srcPath}.js`,
       extension: '.js',
       getContents: () => 'export default {}',
     })
+    addOutput(...files?.filter(f => f.declaration) || [])
 
     const results = await Promise.all(
       blocks.map(async (data) => {
diff --git a/test/mkdist.test.ts b/test/mkdist.test.ts
index 1cc3cb5..0462263 100644
--- a/test/mkdist.test.ts
+++ b/test/mkdist.test.ts
@@ -1,12 +1,12 @@
 import { mkdir, readFile, rm, writeFile } from 'node:fs/promises'
-import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import { mkdist } from 'mkdist'
 import { afterAll, describe, expect, it } from 'vitest'
 import { vueLoader } from '../src/mkdist'
 
 describe('transform typescript script setup', () => {
-  const tmpDir = join(tmpdir(), 'fixtures')
+  const tmpDir = fileURLToPath(new URL('./.tmp/fixtures', import.meta.url))
   afterAll(async () => {
     await rm(tmpDir, { force: true, recursive: true })
   })
@@ -196,16 +196,16 @@ describe('transform typescript script setup', () => {
     expect(
       await fixture(
         `<template>
-          <div :data-test="toValue('hello')" />
-        </template>
-        <script setup lang="ts">
-        import { toValue, type Ref } from 'vue'
-        const msg = 1
-        </script>`,
+            <div :data-test="toValue('hello')" />
+          </template>
+          <script setup lang="ts">
+          import { toValue, type Ref } from 'vue'
+          const msg = 1
+          </script>`,
       ),
     ).toMatchInlineSnapshot(`
       "<template>
-                <div :data-test="toValue('hello')" />
+                  <div :data-test="toValue('hello')" />
       </template>
 
       <script setup>
@@ -216,6 +216,33 @@ describe('transform typescript script setup', () => {
     `)
   })
 
+  it('generates declaration', { timeout: 10000 }, async () => {
+    const src = `
+      <template>
+        <div :data-test="toValue('hello')" />
+      </template>
+
+      <script>
+        export default { name: 'App' }
+      </script>
+
+      <script setup lang="ts">
+      defineProps<{ msg: string }>()
+      import { toValue, type Ref } from 'vue'
+      const msg = 1
+      </script>`
+
+    expect(await declaration(src)).toMatchInlineSnapshot(`
+      "declare const _default: import("vue").DefineComponent<{
+          msg: string;
+      }, {}, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly<{
+          msg: string;
+      }> & Readonly<{}>, {}, {}, {}, {}, string, import("vue").ComponentProvideOptions, false, {}, any>;
+      export default _default;
+      "
+    `)
+  })
+
   async function fixture(src: string): Promise<string> {
     await rm(tmpDir, { force: true, recursive: true })
     await mkdir(join(tmpDir, 'src'), { recursive: true })
@@ -223,4 +250,12 @@ describe('transform typescript script setup', () => {
     await mkdist({ loaders: ['js', vueLoader], rootDir: tmpDir })
     return await readFile(join(tmpDir, 'dist/index.vue'), 'utf-8')
   }
+
+  async function declaration(src: string): Promise<string> {
+    await rm(tmpDir, { force: true, recursive: true })
+    await mkdir(join(tmpDir, 'src'), { recursive: true })
+    await writeFile(join(tmpDir, 'src/index.vue'), src)
+    await mkdist({ declaration: true, loaders: ['js', vueLoader], rootDir: tmpDir })
+    return await readFile(join(tmpDir, 'dist/index.vue.d.ts'), 'utf-8')
+  }
 })