ensure assetmanager and baseurl to handle relative urls correctly

framework/helpers/BaseUrl.php

@@ -192,7 +192,7 @@ class BaseUrl
 
         if ($url === '') {
             $url = Yii::$app->getRequest()->getUrl();
-        } elseif ($url[0] !== '/' && $url[0] !== '#' && strpos($url, '://') === false && strncmp($url, './', 2) !== 0) {
+        } elseif ($url[0] !== '/' && $url[0] !== '#' && $url[0] !== '.' && strpos($url, '://') === false) {
             $url = Yii::$app->getRequest()->getBaseUrl() . '/' . $url;
         }
 

framework/web/AssetBundle.php

@@ -143,14 +143,14 @@ class AssetBundle extends Object
     public function registerAssetFiles($view)
     {
         foreach ($this->js as $js) {
-            if (strpos($js, '/') !== 0 && strpos($js, '://') === false) {
+            if ($js[0] !== '/' && $js[0] !== '.' && strpos($js, '://') === false) {
                 $view->registerJsFile($this->baseUrl . '/' . $js, [], $this->jsOptions);
             } else {
                 $view->registerJsFile($js, [], $this->jsOptions);
             }
         }
         foreach ($this->css as $css) {
-            if (strpos($css, '/') !== 0 && strpos($css, '://') === false) {
+            if ($css[0] !== '/' && $css[0] !== '.' && strpos($css, '://') === false) {
                 $view->registerCssFile($this->baseUrl . '/' . $css, [], $this->cssOptions);
             } else {
                 $view->registerCssFile($css, [], $this->cssOptions);