load code-block code only if needed

inc/tools/code-block.php

@@ -16,6 +16,34 @@ if ( ! defined( 'ABSPATH' ) ) {
 	exit;
 }
 
+/**
+ * Check if current post content contains code blocks.
+ *
+ * @return bool
+ */
+function ztfr_has_code_block() {
+
+	if ( is_admin() ) {
+		return false;
+	}
+
+	if ( ! is_singular() ) {
+		return false;
+	}
+
+	global $post;
+
+	if ( ! isset( $post ) || empty( $post->post_content ) ) {
+		return false;
+	}
+
+	if ( has_block( 'ztfr/code-block', $post ) ) {
+		return true;
+	}
+
+	return false !== strpos( $post->post_content, '<pre' );
+}
+
 /**
  * Get asset version from file modification time.
  *
@@ -41,6 +69,11 @@ function ztfr_enqueue_code_assets() {
 		return;
 	}
 	
+	// 🔥 Nur laden wenn Codeblock vorhanden
+	if ( ! ztfr_has_code_block() ) {
+		return;
+	}
+
 	$code_css_version = ztfr_code_asset_version( '/assets/css/code.css' );
 	$prism_version    = ztfr_code_asset_version( '/assets/js/prism.js' );
 	$code_js_version  = ztfr_code_asset_version( '/assets/js/code-block.js' );