Optimize the asset's content.

Parameters

string $content: The content to optimize.

array $asset: A core asset array.

array $data: The cache data.

Return value

string The optimized content.

Overrides SingleAssetOptimizerBase::optimize

File

advagg_mod/src/Asset/TranslateCss.php, line 33

Class

TranslateCss
Applies the t() function to strings in CSS assets.

Namespace

Drupal\advagg_mod\Asset

Code

public function optimize($contents, array $asset, array $data) {
    // Code taken from \Drupal\Core\Asset\CssOptimizer::processCss().
    // Regexp to match double quoted strings.
    $double_quot = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"';
    // Regexp to match single quoted strings.
    $single_quot = "'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'";
    // Extract all content inside of quotes.
    $pattern = "/content:.*?({$double_quot}|{$single_quot}|(?:\\;|\\})).*?(?:\\;|\\})/";
    // Run strings inside of quotes of the content attribute through the t
    // function.
    return preg_replace_callback($pattern, [
        $this,
        'translateCallback',
    ], $contents);
}