feat: export ValidateError (#46)

Author: evilebottnawi

src/index.js

@@ -1,3 +1,5 @@
 const validate = require('./validate');
+const validateError = require('./ValidationError');
 
 module.exports = validate.default;
+module.exports.ValidateError = validateError.default;

test/api.test.js

@@ -0,0 +1,8 @@
+import schemaUtils from '../src/index';
+
+describe('api', () => {
+  it('should export validate and ValidateError', () => {
+    expect(typeof schemaUtils).toBe('function');
+    expect(typeof schemaUtils.ValidateError).toBe('function');
+  });
+});