Processes the contents of a stylesheet for minification.

Parameters

string $contents: The contents of the stylesheet.

string $minifier: The name of the minifier to use.

Return value

string Minified contents of the stylesheet including the imported stylesheets.

1 call to CssOptimizer::processCssOther()
CssOptimizer::loadFile in advagg_css_minify/src/Asset/CssOptimizer.php
Loads the stylesheet and resolves all @import commands.

File

advagg_css_minify/src/Asset/CssOptimizer.php, line 236

Class

CssOptimizer
Optimizes a CSS asset.

Namespace

Drupal\advagg_css_minify\Asset

Code

protected function processCssOther($contents, $minifier) {
    $contents = $this->clean($contents);
    list(, , , $functions) = $this->getConfiguration();
    if (isset($functions[$minifier])) {
        $run = $functions[$minifier];
        if (function_exists($run)) {
            $run($contents);
        }
    }
    // Replaces @import commands with the actual stylesheet content.
    // This happens recursively but omits external files.
    $contents = preg_replace_callback('/@import\\s*(?:url\\(\\s*)?[\'"]?(?![a-z]+:)(?!\\/\\/)([^\'"\\()]+)[\'"]?\\s*\\)?\\s*;/', [
        $this,
        'loadNestedFile',
    ], $contents);
    return $contents;
}