application = $application;
$this->cache = $cache;
$this->filesystem = $filesystem->createLocalDriver(['root' => public_path()]);
}
/**
* Modify a URL to append the asset hash.
*
* @param string $resource
* @return string
*
* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
*/
public function url(string $resource): string
{
$file = last(explode('/', $resource));
$data = array_get($this->manifest(), $file, $file);
return '/' . ltrim(str_replace($file, array_get($data, 'src', $file), $resource), '/');
}
/**
* Return the data integrity hash for a resource.
*
* @param string $resource
* @return string
*
* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
*/
public function integrity(string $resource): string
{
$file = last(explode('/', $resource));
$data = array_get($this->manifest(), $file, $file);
return array_get($data, 'integrity', '');
}
/**
* Return a built CSS import using the provided URL.
*
* @param string $resource
* @return string
*
* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
*/
public function css(string $resource): string
{
return '';
}
/**
* Return a built JS import using the provided URL.
*
* @param string $resource
* @return string
*
* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
*/
public function js(string $resource): string
{
return '';
}
/**
* Get the asset manifest and store it in the cache for quicker lookups.
*
* @return array
*
* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
*/
protected function manifest(): array
{
if (! is_null(self::$manifest)) {
return self::$manifest;
}
// Skip checking the cache if we are not in production.
if ($this->application->environment() === 'production') {
$stored = $this->cache->get('Core:AssetManifest');
if (! is_null($stored)) {
return self::$manifest = $stored;
}
}
$contents = json_decode($this->filesystem->get(self::MANIFEST_PATH), true);
$this->cache->put('Core:AssetManifest', $contents, 1440);
return self::$manifest = $contents;
}
}