Fix local asset twig function and allow url

README.md

@@ -40,7 +40,6 @@ http://wkhtmltopdf.org/downloads.html
 See [KnpSnappyBundle](https://github.com/KnpLabs/KnpSnappyBundle#configuration) for configuration.
 
 ## Usage
-========
 
 **Controller Trait**
 
@@ -100,4 +99,10 @@ The `local_asset` avoids doing a http request by using `file://` instead of `htt
 <img src="{{ local_asset('/images/image.jpg') }}" alt="Local Asset">
 ```
 
-This will only work when `$request->getRequestFormat()` will return `pdf`.
+This will only work when `$request->getRequestFormat()` will return `pdf` and not `html`.
+
+If you want to force using `file://` set the second parameter to true:
+
+```twig
+<img src="{{ local_asset('/images/image.jpg', true) }}" alt="Local Asset">
+```

Twig/LocalAssetTwigExtension.php

@@ -54,26 +54,33 @@ public function getFunctions()
     public function getFilters()
     {
         return [
-            new \Twig_SimpleFilter('abbr_class', [$this, 'getLocalAsset']),
+            new \Twig_SimpleFilter('local_asset', [$this, 'getLocalAsset']),
         ];
     }
 
     /**
      * Get local asset path.
      *
      * @param string $assetUrl
+     * @param bool $force
      *
      * @return string
      */
-    public function getLocalAsset($assetUrl)
+    public function getLocalAsset($assetUrl, $force = false)
     {
-        $request = $this->requestStack->getCurrentRequest();
+        $prefix = 'file://' . $this->publicDirectory;
         $assetUrl = '/' . ltrim($assetUrl, '/');
 
-        if ('html' === $request->getRequestFormat()) {
-            return $assetUrl;
+        if ($force) {
+            return $prefix . $assetUrl;
+        }
+
+        $request = $this->requestStack->getCurrentRequest();
+
+        if ($request && 'html' === $request->getRequestFormat()) {
+            $prefix = $request->getSchemeAndHttpHost();
         }
 
-        return 'file://' . $this->publicDirectory . $assetUrl;
+        return $prefix . $assetUrl;
     }
 }