public function TranslateCss::optimize in Advanced CSS/JS Aggregation 8.3

Same name and namespace in other branches

1. 8.4 advagg_mod/src/Asset/TranslateCss.php \Drupal\advagg_mod\Asset\TranslateCss::optimize()

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);
}