fix: updated custom validator typing (#231)

danielroe · Mar 4, 2022 · 9774605 · 9774605
1 parent de37261
commit 9774605
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/schema/validation.ts b/src/schema/validation.ts
@@ -13,7 +13,9 @@ export interface BaseRule {
   /**
    * Creates a custom validation rule.
    */
-  custom: <T = any>(value: T) => true | string
+  custom: <T = any>(
+    validator: (value: T) => true | string | Promise<true | string>
+  ) => this
   /**
    * Ensures that this field exists.
    */