fix(types): make VEList a MaybeArray for array values

Author: TheEdoRan

packages/next-safe-action/src/utils.types.ts

@@ -5,3 +5,6 @@ export type Prettify<T> = {
 
 // Returns type or promise of type.
 export type MaybePromise<T> = Promise<T> | T;
+
+// Returns type or array of type.
+export type MaybeArray<T> = T | T[];

packages/next-safe-action/src/validation-errors.types.ts

@@ -1,11 +1,11 @@
 import type { InferInputArray, InferInputOrDefault, StandardSchemaV1 } from "./standard-schema";
-import type { Prettify } from "./utils.types";
+import type { MaybeArray, Prettify } from "./utils.types";
 
 // Basic types and arrays.
 type NotObject = number | string | boolean | bigint | symbol | null | undefined | any[];
 
 // Object with an optional list of validation errors.
-type VEList<K = undefined> = K extends any[] ? { _errors?: string[] }[] : { _errors?: string[] };
+type VEList<K = undefined> = K extends any[] ? MaybeArray<{ _errors?: string[] }> : { _errors?: string[] };
 
 // Creates nested schema validation errors type using recursion.
 type SchemaErrors<S> = {