function AssetDumper::dumpToUri

Overrides AssetDumperUriInterface::dumpToUri

File

core/lib/Drupal/Core/Asset/AssetDumper.php, line 51

Class

AssetDumper

Dumps a CSS or JavaScript asset.

Namespace

Code

public function dumpToUri(string $data, string $file_extension, string $uri) : string {
    $path = 'assets://' . $file_extension;
    // Create the CSS or JS file.
    $this->fileSystem
        ->prepareDirectory($path, FileSystemInterface::CREATE_DIRECTORY);
    try {
        if (!file_exists($uri) && !$this->fileSystem
            ->saveData($data, $uri, FileExists::Replace)) {
            return FALSE;
        }
    } catch (FileException $e) {
        return FALSE;
    }
    // If CSS/JS gzip compression is enabled and the zlib extension is available
    // then create a gzipped version of this file. This file is served
    // conditionally to browsers that accept gzip using .htaccess rules.
    // It's possible that the rewrite rules in .htaccess aren't working on this
    // server, but there's no harm (other than the time spent generating the
    // file) in generating the file anyway. Sites on servers where rewrite rules
    // aren't working can set css.gzip to FALSE in order to skip
    // generating a file that won't be used.
    if (extension_loaded('zlib') && \Drupal::config('system.performance')->get($file_extension . '.gzip')) {
        try {
            if (!file_exists($uri . '.gz') && !$this->fileSystem
                ->saveData(gzencode($data, 9, FORCE_GZIP), $uri . '.gz', FileExists::Replace)) {
                return FALSE;
            }
        } catch (FileException $e) {
            return FALSE;
        }
    }
    return $uri;
}