Add Validation::hasError method

Author: natanfelles

src/Validation.php

@@ -376,6 +376,16 @@ public function setError(string $field, string $rule, array $args = []) : static
         return $this;
     }
 
+    /**
+     * @param string $field
+     *
+     * @return bool
+     */
+    public function hasError(string $field) : bool
+    {
+        return isset($this->errors[$field]);
+    }
+
     /**
      * Set a custom error message for a field rule.
      *

tests/ValidationTest.php

@@ -381,6 +381,14 @@ public function testSetError() : void
         );
     }
 
+    public function testHasError() : void
+    {
+        self::assertSame([], $this->validation->getErrors());
+        self::assertFalse($this->validation->hasError('foo'));
+        $this->validation->setError('foo', 'required');
+        self::assertTrue($this->validation->hasError('foo'));
+    }
+
     public function testReplaceArgs() : void
     {
         $args = ['foo', 'bar', '{id}', '{x}', 'baz', '{email}'];