From 29e2efddd83d6a265e5724b90ebb9cde6856be1f Mon Sep 17 00:00:00 2001
From: Vitali Haradkou <vitalicset@yandex.ru>
Date: Mon, 22 Jan 2024 00:01:33 +0400
Subject: [PATCH] add validation for refine method

---
 src/builder.ts     | 3 +++
 tests/base.test.ts | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/builder.ts b/src/builder.ts
index a2633f0..0842c9a 100644
--- a/src/builder.ts
+++ b/src/builder.ts
@@ -196,6 +196,9 @@ abstract class SchemaBuilder<
    * Schema.parse([{ active: true, name: 'some 1' }, { active: true, name: 'some 2' }]) // throws Error
    */
   refine(fn: (output: Output) => any) {
+    if (typeof fn !== 'function') {
+      throw new TypeError(`Cannot set for not a function for refine. Expect "function", Got: ${typeof fn}`, { cause: { fn, type: typeof fn } })
+    }
     this.refineFns.push(fn)
     return this
   }
diff --git a/tests/base.test.ts b/tests/base.test.ts
index de76e51..4742ad7 100644
--- a/tests/base.test.ts
+++ b/tests/base.test.ts
@@ -213,3 +213,8 @@ test('refine should throws default error', () => {
   expect(result.error).toBeInstanceOf(Error)
   expect(result.error?.message).toBe('refine error')
 })
+
+test('refine should throws TypeError for not a function', () => {
+  // @ts-expect-error
+  expect(() => s.number().refine(false)).toThrow(TypeError)
+})