从控制器（不是模板）中的资产组获取资产URL Symfony2

Question

I wonder if how could I load an assetic group of assets from inside my controller.

my config.yml:

assetic:
  assets:
    systemassets:
      inputs:
        - 'bundles/belkapanel/js/*.js'
        - 'bundles/belkapanel/router.js'

Using twig, the solution is very simple:

{% javascripts '@systemassets'%}
<script src="{{ asset_url }}"></script>
{% endjavascripts %}

it will resolve the path wildcard and generate an single .js file with the content of all files found inside "systemassets".

However, I want to get the generated .js file inside an controller. I know it is possible, but reading the symfony's assetic-bundle I only found AsseticHelper with "javascripts" method, but I don't know how to use it, I think it is used after the packagename and wildcards are resolved.

/** @var DynamicAsseticHelper $asseticDynamic */
$asseticDynamic = $this->get('assetic.helper.dynamic');

$assets = $asseticDynamic->javascripts('systemassets'); // Doesn't work!

I'm looking at AsseticTokenParser, I think it is the solution, am I right? can someone help me find the solution?

Answer 1

This should work:

$assets = $asseticDynamic->javascripts(array('@systemassets'));

See this documentation chapter for more details (check PHP version).