fix(types): no props typings in js files

types/test/v3/define-component-test.js

@@ -0,0 +1,20 @@
+// @ts-check
+import { defineComponent } from '../../index'
+import { expectError, describe } from '../utils'
+const props = {
+ a: Number
+}
+describe('defineComponent prop types work in js', () => {
+ defineComponent({
+ props,
+ computed: {
+ test() {
+ // @ts-expect-error Invalid typecast if `this.a` is not any
+ ;/** @type import('../utils').IsAny<typeof this.a> */ (this.a)
+
+ // @ts-expect-error Unknown property
+ expectError(this.b)
+ }
+ }
+ })
+})

types/tsconfig.json

@@ -5,6 +5,7 @@
  "lib": ["dom", "esnext"],
  "types": ["node"],
  "module": "esnext",
+ "allowJs": true,
  "moduleResolution": "node",
  "jsx": "preserve",
  "strict": true,
@@ -14,5 +15,6 @@
  }
  },
  "include": ["."],
+ "files": ["./test/v3/define-component-test.js"],
  "compileOnSave": false
 }

types/v3-define-component.d.ts

@@ -139,7 +139,7 @@ export function defineComponent<
  * see `ExtractPropTypes` in './componentProps.ts'
  */
 export function defineComponent<
- Props,
+ Props = unknown,
  RawBindings = {},
  D = {},
  C extends ComputedOptions = {},