From 0afb7b44372d0c2fde148c3f30ec3bd95e5c38a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=89=E5=92=B2=E6=99=BA=E5=AD=90=20Kevin=20Deng?=
 <sxzz@sxzz.moe>
Date: Fri, 12 May 2023 20:25:06 +0800
Subject: [PATCH] test: add

---
 .../__snapshots__/defineEmits.spec.ts.snap     | 18 ++++++++++++++++++
 .../compileScript/defineEmits.spec.ts          | 17 +++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/packages/compiler-sfc/__tests__/compileScript/__snapshots__/defineEmits.spec.ts.snap b/packages/compiler-sfc/__tests__/compileScript/__snapshots__/defineEmits.spec.ts.snap
index 729c019a555..a8bd930fbbc 100644
--- a/packages/compiler-sfc/__tests__/compileScript/__snapshots__/defineEmits.spec.ts.snap
+++ b/packages/compiler-sfc/__tests__/compileScript/__snapshots__/defineEmits.spec.ts.snap
@@ -191,6 +191,24 @@ export default /*#__PURE__*/_defineComponent({
 
     
     
+return { emit }
+}
+
+})"
+`;
+
+exports[`defineEmits > w/ type (type references in union) 1`] = `
+"import { defineComponent as _defineComponent } from 'vue'
+type BaseEmit = \\"change\\"
+    type Emit = \\"some\\" | \\"emit\\" | BaseEmit
+    
+export default /*#__PURE__*/_defineComponent({
+  emits: [\\"some\\", \\"emit\\", \\"change\\", \\"another\\"],
+  setup(__props, { expose: __expose, emit }) {
+  __expose();
+
+    
+    
 return { emit }
 }
 
diff --git a/packages/compiler-sfc/__tests__/compileScript/defineEmits.spec.ts b/packages/compiler-sfc/__tests__/compileScript/defineEmits.spec.ts
index 67d9674b54c..c5d2900a4e7 100644
--- a/packages/compiler-sfc/__tests__/compileScript/defineEmits.spec.ts
+++ b/packages/compiler-sfc/__tests__/compileScript/defineEmits.spec.ts
@@ -179,6 +179,23 @@ const emit = defineEmits(['a', 'b'])
     assertCode(content)
   })
 
+  // #7943
+  test('w/ type (type references in union)', () => {
+    const { content } = compile(`
+    <script setup lang="ts">
+    type BaseEmit = "change"
+    type Emit = "some" | "emit" | BaseEmit
+    const emit = defineEmits<{
+      (e: Emit): void;
+      (e: "another", val: string): void;
+    }>();
+    </script>
+    `)
+
+    expect(content).toMatch(`emits: ["some", "emit", "change", "another"]`)
+    assertCode(content)
+  })
+
   describe('errors', () => {
     test('w/ both type and non-type args', () => {
       expect(() => {