fix(types): optimizing type inference with defaults

vuejs · Aug 16, 2024 · 9754321 · 9754321
1 parent c96ec67
commit 9754321
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/runtime-core/src/apiSetupHelpers.ts b/packages/runtime-core/src/apiSetupHelpers.ts
@@ -328,7 +328,9 @@ type PropsWithDefaults<
   Defaults extends InferDefaults<T>,
   BKeys extends keyof T,
 > = Readonly<MappedOmit<T, keyof Defaults>> & {
-  readonly [K in keyof Defaults]-?: K extends keyof T
+  readonly [K in keyof Defaults as K extends keyof T
+    ? K
+    : never]-?: K extends keyof T
     ? Defaults[K] extends undefined
       ? IfAny<Defaults[K], NotUndefined<T[K]>, T[K]>
       : NotUndefined<T[K]>