diff --git a/src/JsComponents.php b/src/JsComponents.php
index 12b9686..2e49c73 100644
--- a/src/JsComponents.php
+++ b/src/JsComponents.php
@@ -2,17 +2,25 @@
 
 namespace ADT\Utils;
 
+use Nette\Utils\Json;
+
 class JsComponents
 {
 	protected array $components = [];
 
 	public function generateConfig(): string
 	{
-		return json_encode($this->components);
+		return Json::encode($this->components);
 	}
 
 	public function setRecaptcha(string $siteKey): string
 	{
 		return $this->components['recaptcha']['siteKey'] = $siteKey;
 	}
+
+	public function setComponents(array $components): self
+	{
+		$this->components = array_merge($this->components, $components);
+		return $this;
+	}
 }