I have a module in which I would like to add a stylesheet and a script. I am creating a lot of modules for this project, and I would like to use a centralized json file for my scripts and styles, since a lot of them are used here and there.

$wa = Factory::getDocument()->getWebAssetManager();
$wr = $wa->getRegistry();

My current code throws the following:

There is no "com_foo.foo" asset of a "style" type in the registry.

Shouldn't this be possible? Am I doing it wrong?

1 Answer 1


You have to use a relative path in your call to addRegistryFile, ie:

  • 1
    There is also the shorthand addExtensionRegistryFile() method where you can pass just the component name, i.e. $wr->addExtensionRegistryFile('com_foo');.
    – Sharky
    Oct 31, 2023 at 21:08
  • Thanks to both, that is great! Nov 1, 2023 at 11:51

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