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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Assets; |
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use Yiisoft\Aliases\Aliases; |
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use function is_subclass_of; |
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use function mb_strlen; |
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use function strncmp; |
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use function strpos; |
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use function substr_compare; |
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/** |
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* AssetUtil shared functions. |
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*/ |
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final class AssetUtil |
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{ |
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/** |
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* Creates a new asset bundle instance. |
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* |
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* If the name is a class name, an instance of this class will be created, |
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* otherwise an instance of the {@see AssetBundle} will be created. |
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* |
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* @param string $name The asset bundle name. Usually the asset bundle class name (without leading backslash). |
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* @param array $config The asset bundle instance configuration. If specified, it will be applied to the instance. |
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* |
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* @return AssetBundle The created asset bundle. |
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* |
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* @psalm-suppress UnsafeInstantiation |
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*/ |
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public static function createAsset(string $name, array $config = []): AssetBundle |
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{ |
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$bundle = is_subclass_of($name, AssetBundle::class) ? new $name() : new AssetBundle(); |
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foreach ($config as $property => $value) { |
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$bundle->{$property} = $value; |
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} |
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return $bundle; |
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} |
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/** |
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* Resolves the actual URL for the specified asset. |
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* |
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* @param AssetBundle $bundle The asset bundle which the asset file belongs to. |
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* @param string $assetPath The asset path. This should be one of the assets listed |
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* in {@see AssetBundle::$js} or {@see AssetBundle::$css}. |
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* @param array $assetMap Mapping from source asset files (keys) to target asset files (values) |
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* {@see AssetPublisher::$assetMap}. |
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* |
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* @return string|null The actual URL for the specified asset, or null if there is no mapping. |
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*/ |
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public static function resolveAsset(AssetBundle $bundle, string $assetPath, array $assetMap): ?string |
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{ |
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if (isset($assetMap[$assetPath])) { |
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return $assetMap[$assetPath]; |
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} |
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if (!empty($bundle->sourcePath) && self::isRelative($assetPath)) { |
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$assetPath = $bundle->sourcePath . '/' . $assetPath; |
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} |
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$n = mb_strlen($assetPath, 'utf-8'); |
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foreach ($assetMap as $from => $to) { |
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$n2 = mb_strlen($from, 'utf-8'); |
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if ($n2 <= $n && substr_compare($assetPath, $from, $n - $n2, $n2) === 0) { |
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return $to; |
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} |
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} |
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return null; |
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} |
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/** |
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* Resolve path aliases for {@see AssetBundle} properties: |
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* |
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* - {@see AssetBundle::basePath} |
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* - {@see AssetBundle::baseUrl} |
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* - {@see AssetBundle::sourcePath} |
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* |
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* @param AssetBundle $bundle The asset bundle instance to resolving path aliases. |
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* @param Aliases $aliases The aliases instance to resolving path aliases. |
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* |
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* @return AssetBundle The asset bundle instance with resolved paths. |
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*/ |
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public static function resolvePathAliases(AssetBundle $bundle, Aliases $aliases): AssetBundle |
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{ |
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if ($bundle->basePath !== null) { |
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$bundle->basePath = $aliases->get($bundle->basePath); |
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} |
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if ($bundle->baseUrl !== null) { |
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$bundle->baseUrl = $aliases->get($bundle->baseUrl); |
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} |
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if ($bundle->sourcePath !== null) { |
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$bundle->sourcePath = $aliases->get($bundle->sourcePath); |
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} |
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return $bundle; |
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} |
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/** |
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* Returns a value indicating whether a URL is relative. |
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* |
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* A relative URL does not have host info part. |
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* |
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* @param string $url The URL to be checked. |
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* |
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* @return bool Whether the URL is relative. |
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*/ |
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public static function isRelative(string $url): bool |
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{ |
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return strncmp($url, '//', 2) && strpos($url, '://') === false; |
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} |
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} |
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yiisoft /
assets
