Yii2 theme component snipet

Theme.php

<?php
namespace app\components;
use Yii;
use yii\base\InvalidConfigException;
use yii\helpers\ArrayHelper;
use yii\helpers\FileHelper;

class Theme extends \yii\base\Theme
{

    public $active;
    /**
     * @inheritdoc
     */
    public function applyTo($path)
    {

        $pathMap = ArrayHelper::getValue($this->pathMap,$this->active,$this->pathMap);

        if (empty($pathMap)) {
            if (($basePath = $this->getBasePath()) === null) {
                throw new InvalidConfigException('The "basePath" property must be set.');
            }
            $pathMap = [Yii::$app->getBasePath() => [$basePath]];
        }


        $path = FileHelper::normalizePath($path);
        foreach ($pathMap as $from => $tos) {
            $from = FileHelper::normalizePath(Yii::getAlias($from)) . DIRECTORY_SEPARATOR;
            if (strpos($path, $from) === 0) {
                $n = strlen($from);
                foreach ((array) $tos as $to) {
                    $to = FileHelper::normalizePath(Yii::getAlias($to)) . DIRECTORY_SEPARATOR;
                    $file = $to . substr($path, $n);
                    if (is_file($file)) {
                        return $file;
                    }
                }
            }
        }
        return $path;
    }
}

web.php

<?php
// configuration components add section
        'view' => [
            'theme' => [
                'class' => 'app\components\Theme',
                'active' => 'theme-juddy',
                'pathMap' => [
                    'theme-user' => [
                        '@app/views' => ['@app/themes/theme-user/views']
                    ],
                    'theme-dashboard' => [
                        '@app/views' => ['@app/themes/theme-dashboard/views']
                    ]
                ]
            ],
        ],
    ],