<?php namespace backend\widgets; use yii\web\AssetBundle; class AppAsset extends AssetBundle { public $sourcePath = '@backend/widgets/Calendar/assets'; public $baseUrl = '@web'; public $css = ['css/style.css']; public $js = [ 'js/script.js', 'js/src/CalendarHelper.js', 'js/src/DateHelper.js' ]; }