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<?php |
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declare(strict_types=1); |
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namespace Devanych\View\Extension; |
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use RuntimeException; |
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use function file_exists; |
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use function filemtime; |
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use function ltrim; |
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use function rtrim; |
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use function sprintf; |
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final class AssetExtension implements ExtensionInterface |
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{ |
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/** |
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* @var string root directory storing the published asset files. |
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*/ |
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private string $basePath; |
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/** |
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* @var string base URL through which the published asset files can be accessed. |
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*/ |
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private string $baseUrl; |
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/** |
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* @var bool whether to append a timestamp to the URL of every published asset. |
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*/ |
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private bool $appendTimestamp; |
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/** |
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* @param string $basePath root directory storing the published asset files. |
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* @param string $baseUrl base URL through which the published asset files can be accessed. |
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* @param bool $appendTimestamp whether to append a timestamp to the URL of every published asset. |
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*/ |
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public function __construct(string $basePath, string $baseUrl = '', bool $appendTimestamp = false) |
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{ |
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$this->basePath = rtrim($basePath, '\/'); |
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$this->baseUrl = rtrim($baseUrl, '/'); |
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$this->appendTimestamp = $appendTimestamp; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFunctions(): array |
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{ |
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return [ |
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'asset' => [$this, 'assetFile'], |
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]; |
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} |
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/** |
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* Includes the asset file and appends a timestamp with the last modification of that file. |
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* |
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* @param string $file |
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* @return string |
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*/ |
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public function assetFile(string $file): string |
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{ |
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$url = $this->baseUrl . '/' . ltrim($file, '/'); |
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$path = $this->basePath . '/' . ltrim($file, '/'); |
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if (!file_exists($path)) { |
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throw new RuntimeException(sprintf( |
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'Asset file "%s" does not exist.', |
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$path |
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)); |
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} |
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if ($this->appendTimestamp) { |
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return $url . '?v=' . filemtime($path); |
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} |
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return $url; |
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} |
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} |
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devanych /
view-renderer
