feat: Add fork of json-schema-to-zod (no-changelog) (#11228)

packages/@n8n/json-schema-to-zod/test/parsers/parse-nullable.test.ts

@@ -0,0 +1,18 @@
+import { z } from 'zod';
+
+import { parseSchema } from '../../src/parsers/parse-schema';
+
+describe('parseNullable', () => {
+	test('parseSchema should not add default twice', () => {
+		expect(
+			parseSchema(
+				{
+					type: 'string',
+					nullable: true,
+					default: null,
+				},
+				{ path: [], seen: new Map() },
+			),
+		).toMatchZod(z.string().nullable().default(null));
+	});
+});