fix(types): allow `DirectiveArguments` third parameter to accept undefined (#11540)

diff --git a/packages/runtime-core/src/directives.ts b/packages/runtime-core/src/directives.ts
index b2618c03a6695368e1f940e223f6b170310b8f08..be10840784bb99f144a01f08fcc04f9e6bdfd8e5 100644 (file)
--- a/packages/runtime-core/src/directives.ts
+++ b/packages/runtime-core/src/directives.ts
@@ -78,7 +78,7 @@ export type DirectiveArguments = Array<
   | [Directive | undefined]
   | [Directive | undefined, any]
   | [Directive | undefined, any, string]
-  | [Directive | undefined, any, string, DirectiveModifiers]
+  | [Directive | undefined, any, string | undefined, DirectiveModifiers]
 >
 
 /**