Yiisoft\Assets\Exporter\WebpackAssetExporter

Complexity

Total Complexity

3

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	export()	0	9	2
A	__construct()	0	3	1

<?php

declare(strict_types=1);

namespace Yiisoft\Assets\Exporter;

use RuntimeException;
use Yiisoft\Assets\AssetExporterInterface;
use Yiisoft\Assets\AssetUtil;

/**
 * Exports the file paths of asset bundles {@see AssetBundle::$export}, converting them to `import '/path/to/file';`
 * expressions and placing them in the specified JavaScript file for later loading into Webpack.
 *
 * {@see https://webpack.js.org/concepts/#entry}
 */
final class WebpackAssetExporter implements AssetExporterInterface
{
    /**
     * @var string The full path to the target JavaScript file.
     */
    private string $targetFile;

    /**
     * @param string $targetFile The full path to the target JavaScript file.
     */
    public function __construct(string $targetFile)
    {
        $this->targetFile = $targetFile;
    }

    /**
     * {@inheritDoc}
     *
     * @throws RuntimeException If an error occurred while writing to the JavaScript file.
     */
    public function export(array $assetBundles): void
    {
        $imports = '';

        foreach (AssetUtil::extractFilePathsForExport($assetBundles) as $file) {
            $imports .= "import '{$file}';\n";
        }

        AssetUtil::exportToFile($this->targetFile, $imports);
    }
}