eZ Design namespace for assets

resolveAssetUrl.php

<?php


    /**
     * Resolve Asset URL optionally prefixed with package name.
     *
     * @param string $path Asset URL
     *
     * @return string
     */
    private function resolveAssetUrl($path): string
    {
        $packageName = null;
        if (preg_match('#^@(.+?)/#', $path, $matches)) {
            $packageName = $matches[1];
            // remove leading @{$packageName}/ from an asset URL
            $path = substr($path, strlen($packageName) + 2);
        }

        return $this->packages->getUrl($path, $packageName);
    }