fix: cannot assign generic component to defineComponent components op…

…tion #2758
vuejs · May 1, 2023 · 2f03416 · 2f03416
1 parent 44357b1
commit 2f03416
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/packages/vue-language-core/src/generators/script.ts b/packages/vue-language-core/src/generators/script.ts
@@ -156,7 +156,7 @@ export function generate(
 			);
 		}
 		if (usedHelperTypes.ToTemplateSlots) {
-			codes.push(`type __VLS_ToTemplateSlots<T> = { [K in keyof T]: NonNullable<T[K]> extends (...args: any[]) => any ? T[K] : (props: T[K]) => any };\n`);
+			codes.push(`type __VLS_ToTemplateSlots<T> = { [K in keyof T]?: NonNullable<T[K]> extends (...args: any[]) => any ? T[K] : (props: T[K]) => any };\n`);
 		}
 		if (usedHelperTypes.PropsChildren) {
 			codes.push(`type __VLS_PropsChildren<S> = { [K in keyof (boolean extends (JSX.ElementChildrenAttribute extends never ? true : false) ? never : JSX.ElementChildrenAttribute)]?: S; };\n`);

diff --git a/packages/vue-test-workspace/vue-tsc/#2758/app.vue b/packages/vue-test-workspace/vue-tsc/#2758/app.vue
@@ -0,0 +1,10 @@
+<script lang="ts">
+import { defineComponent } from 'vue';
+import MyComp from './main.vue';
+
+export default defineComponent({
+	components: {
+		MyComp,
+	},
+});
+</script>