public function generate(AssetTarget $build)
{
$filters = $this->filterRegistry->collection($build);
$output = '';
foreach ($build->files() as $file) {
$content = $file->contents();
$content = $filters->input($file->path(), $content);
$output .= $content . "\n";
}
if (!$this->debug || php_sapi_name() === 'cli') {
$output = $filters->output($build->path(), $output);
}
return trim($output);
}