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<?php |
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namespace Psr7Middlewares\Transformers; |
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use Psr\Http\Message\StreamInterface; |
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use JSMinPlus; |
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use CSSmin; |
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use Minify_HTML; |
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/** |
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* Generic resolver to minify responses. |
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*/ |
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class Minifier extends Resolver |
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{ |
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protected $transformers = [ |
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'text/javascript' => [__CLASS__, 'js'], |
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'text/css' => [__CLASS__, 'css'], |
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'text/html' => [__CLASS__, 'html'], |
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]; |
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/** |
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* Javascript minifier. |
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* |
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* @param StreamInterface $input |
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* @param StreamInterface $output |
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* |
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* @return StreamInterface |
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*/ |
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public static function js(StreamInterface $input, StreamInterface $output) |
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{ |
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$output->write(JSMinPlus::minify((string) $input)); |
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return $output; |
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} |
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/** |
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* CSS minifier. |
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* |
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* @param StreamInterface $input |
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* @param StreamInterface $output |
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* |
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* @return StreamInterface |
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*/ |
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public static function css(StreamInterface $input, StreamInterface $output) |
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{ |
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$output->write((new CSSmin())->run((string) $input)); |
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return $output; |
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} |
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/** |
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* HTML minifier. |
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* |
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* @param StreamInterface $input |
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* @param StreamInterface $output |
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* |
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* @return StreamInterface |
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*/ |
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public static function html(StreamInterface $input, StreamInterface $output) |
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{ |
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$output->write(Minify_HTML::minify((string) $input, ['jsCleanComments' => true])); |
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return $output; |
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} |
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} |
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oscarotero /
psr7-middlewares
