fix(compiler-sfc): support resolve extends interface for defineEmits

packages/compiler-sfc/__tests__/compileScript/__snapshots__/defineEmits.spec.ts.snap

@@ -81,6 +81,24 @@ return { emit }
 })"
 `;
 
+exports[`defineEmits > w/ type (interface w/ entends) 1`] = `
+"import { defineComponent as _defineComponent } from 'vue'
+interface Base { (e: 'foo'): void }
+ interface Emits extends Base { (e: 'bar'): void }
+
+export default /*#__PURE__*/_defineComponent({
+ emits: [\\"bar\\", \\"foo\\"],
+ setup(__props, { expose: __expose, emit: __emit }) {
+ __expose();
+
+ const emit = __emit
+
+return { emit }
+}
+
+})"
+`;
+
 exports[`defineEmits > w/ type (interface) 1`] = `
 "import { defineComponent as _defineComponent } from 'vue'
 interface Emits { (e: 'foo' | 'bar'): void }

packages/compiler-sfc/__tests__/compileScript/defineEmits.spec.ts

@@ -80,6 +80,18 @@ const emit = defineEmits(['a', 'b'])
  expect(content).toMatch(`emits: ["foo", "bar"]`)
  })
 
+ test('w/ type (interface w/ entends)', () => {
+ const { content } = compile(`
+ <script setup lang="ts">
+ interface Base { (e: 'foo'): void }
+ interface Emits extends Base { (e: 'bar'): void }
+ const emit = defineEmits<Emits>()
+ </script>
+ `)
+ assertCode(content)
+ expect(content).toMatch(`emits: ["bar", "foo"]`)
+ })
+
  test('w/ type (exported interface)', () => {
  const { content } = compile(`
  <script setup lang="ts">

packages/compiler-sfc/src/script/resolveType.ts

@@ -294,7 +294,7 @@ function mergeElements(
  }
  }
  if (calls) {
- ;(res.calls || (res.calls = [])).push(...calls)
+ ;(res.calls ||= []).push(...calls)
  }
  }
  return res
@@ -334,12 +334,15 @@ function resolveInterfaceMembers(
  continue
  }
  try {
- const { props } = resolveTypeElements(ctx, ext, scope)
+ const { props, calls } = resolveTypeElements(ctx, ext, scope)
  for (const key in props) {
  if (!hasOwn(base.props, key)) {
  base.props[key] = props[key]
  }
  }
+ if (calls) {
+ ;(base.calls ||= []).push(...calls)
+ }
  } catch (e) {
  ctx.error(
  `Failed to resolve extends base type.\nIf this previously worked in 3.2, ` +