diff --git a/crates/fervid_napi/__tests__/__snapshots__/defineExpose.spec.ts.snap b/crates/fervid_napi/__tests__/__snapshots__/defineExpose.spec.ts.snap
new file mode 100644
index 0000000..0d46524
--- /dev/null
+++ b/crates/fervid_napi/__tests__/__snapshots__/defineExpose.spec.ts.snap
@@ -0,0 +1,31 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`<script> after <script setup> the script content not end with \`\\n\` 1`] = `
+"const n = 1;
+import { x } from './x';
+export default {
+    __name: "anonymous",
+    setup (__props, { expose: __expose }) {
+        __expose();
+        return {
+            n,
+            get x () {
+                return x;
+            }
+        };
+    }
+};
+"
+`;
+
+exports[`defineExpose() 1`] = `
+"export default {
+    __name: "anonymous",
+    setup (__props, { expose: __expose }) {
+        __expose({
+            foo: 123
+        });
+    }
+};
+"
+`;
diff --git a/crates/fervid_napi/__tests__/defineExpose.spec.ts b/crates/fervid_napi/__tests__/defineExpose.spec.ts
new file mode 100644
index 0000000..b1e532d
--- /dev/null
+++ b/crates/fervid_napi/__tests__/defineExpose.spec.ts
@@ -0,0 +1,30 @@
+import { expect, test } from 'vitest'
+import { assertCode, compile } from './utils'
+
+test('defineExpose()', () => {
+  const { content } = compile(`
+<script setup>
+defineExpose({ foo: 123 })
+</script>
+`)
+  assertCode(content)
+  // should remove defineOptions import and call
+  expect(content).not.toMatch('defineExpose')
+  // should generate correct setup signature
+  expect(content).toMatch(`setup (__props, { expose: __expose }) {`)
+  // should replace callee
+  expect(content).toMatch(`
+        __expose({
+            foo: 123
+        })`)
+})
+
+test('<script> after <script setup> the script content not end with `\\n`', () => {
+  const { content } = compile(`
+  <script setup>
+  import { x } from './x'
+  </script>
+  <script>const n = 1</script>
+  `)
+  assertCode(content)
+})