types(PropType): Allow undefined function to be used on PropType (#4405)

2021-08-24 00:04:03 +01:00
parent 98263821f8
commit afd49b3e88
2 changed files with 6 additions and 1 deletions
--- a/packages/runtime-core/src/componentProps.ts
+++ b/packages/runtime-core/src/componentProps.ts
@@ -66,7 +66,9 @@ type PropConstructor<T = any> =
  | { (): T }
  | PropMethod<T>

-type PropMethod<T, TConstructor = any> = [T] extends [(...args: any) => any] // if is function with args
+type PropMethod<T, TConstructor = any> = [T] extends [
+  ((...args: any) => any) | undefined
+] // if is function with args, allowing non-required functions
  ? { new (): TConstructor; (): T; readonly prototype: TConstructor } // Create Function like constructor
  : never