update files

src/functions.php

@@ -961,17 +961,19 @@ function class_basename($class)
 if (!function_exists('asset')) {
 
 	/**
-	 * Generate the URL of a resource using the path relative to the resource directory 
-	 * 
-	 * @param string $path Path relative to the resource directory 
-	 * @param bool $versioned Add a version hash to the filename 
-	 * @param bool $secure Force the use of HTTPS in the URL 
-	 * @return string Full URL of the resource.
+	 * Generate the URL for an asset.
+	 *
+	 * This function takes a relative path to an asset and combines it with the base URL of the application,
+	 * producing the full URL to the asset. It ensures proper handling of directory separators.
+	 *
+	 * @param string $path The relative path to the asset.
+	 * @param string|null $basePath The base URL of the application (optional). If not provided, it uses an empty string.
+	 * @return string The full URL to the asset.
 	 */
-	function asset(string $path, $basePath = null): string
+	function asset(string $path, ?string $basePath = null): string
 	{
 		// Get the URL base of your application from the configuration or as you prefer.
-		$baseUrl = $basePath ? $basePath : '';
+		$baseUrl = $basePath ?? '';
 
 		// Combines the base URL with the relative path of the resource.
 		$url = rtrim($baseUrl, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . ltrim($path, DIRECTORY_SEPARATOR);