From f2616eef3386f0fcf312d375a7dd17949df64e50 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20T=C3=B8mmer=C3=A5s?= <flugged@gmail.com>
Date: Tue, 9 Dec 2025 15:34:35 +0100
Subject: [PATCH] fix: add missing return type to validation result

`Promise<undefined>` is not a valid return type for async keywords, making it difficult to write these without wrestling with TypeScript.
---
 src/Keyword.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Keyword.ts b/src/Keyword.ts
index daebb023..fb9c3594 100644
--- a/src/Keyword.ts
+++ b/src/Keyword.ts
@@ -36,7 +36,7 @@ export type JsonSchemaValidatorParams = { pointer?: string; data: unknown; node:
 export interface JsonSchemaValidator {
     toJSON?: () => string;
     order?: number;
-    (options: JsonSchemaValidatorParams): undefined | ValidationResult | ValidationResult[];
+    (options: JsonSchemaValidatorParams): undefined | Promise<undefined> | ValidationResult | ValidationResult[];
 }
 
 export type Keyword = {