register moment if not already registered

Author: contactashish13

classes/Visualizer/Render/Sidebar/Type/DataTable.php

@@ -75,6 +75,10 @@ protected function hooks() {
 	 * @access public
 	 */
 	function load_assets( $deps, $is_frontend ) {
+		if ( ! wp_script_is( 'moment', 'registered' ) ) {
+			wp_register_script( 'moment', '//cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.2/moment.min.js', array(), Visualizer_Plugin::VERSION );
+		}
+
 		wp_register_script( 'visualizer-datatables', self::$_js, array( 'jquery-ui-core', 'moment' ), Visualizer_Plugin::VERSION );
 		wp_enqueue_style( 'visualizer-datatables', self::$_css, array(), Visualizer_Plugin::VERSION );