WyriHaximus /
reactphp-http-middleware-compress-assets
| @@ 14-68 (lines=55) @@ | ||
| 11 | use function React\Promise\resolve; |
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| 12 | use function RingCentral\Psr7\stream_for; |
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| 13 | ||
| 14 | final class CssCompressMiddleware |
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| 15 | { |
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| 16 | const MIME_TYPE = 'text/css'; |
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| 17 | ||
| 18 | /** |
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| 19 | * @var Parser |
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| 20 | */ |
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| 21 | private $compressor; |
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| 22 | ||
| 23 | /** |
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| 24 | * @param Parser $compressor |
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| 25 | */ |
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| 26 | public function __construct(Parser $compressor = null) |
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| 27 | { |
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| 28 | if ($compressor === null) { |
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| 29 | $compressor = Factory::constructSmallest(false); |
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| 30 | } |
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| 31 | ||
| 32 | $this->compressor = $compressor; |
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| 33 | } |
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| 34 | ||
| 35 | public function __invoke(ServerRequestInterface $request, callable $next) |
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| 36 | { |
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| 37 | $response = $next($request); |
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| 38 | ||
| 39 | if (!($response instanceof PromiseInterface)) { |
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| 40 | return resolve($this->handleResponse($response)); |
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| 41 | } |
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| 42 | ||
| 43 | return $response->then(function (ResponseInterface $response) { |
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| 44 | return $this->handleResponse($response); |
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| 45 | }); |
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| 46 | } |
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| 47 | ||
| 48 | private function handleResponse(ResponseInterface $response) |
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| 49 | { |
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| 50 | if ($response->getBody() instanceof HttpBodyStream) { |
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| 51 | return $response; |
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| 52 | } |
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| 53 | ||
| 54 | if (!$response->hasHeader('content-type')) { |
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| 55 | return $response; |
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| 56 | } |
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| 57 | ||
| 58 | list($contentType) = explode(';', $response->getHeaderLine('content-type')); |
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| 59 | if ($contentType !== self::MIME_TYPE) { |
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| 60 | return $response; |
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| 61 | } |
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| 62 | ||
| 63 | $body = (string)$response->getBody(); |
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| 64 | $compressedBody = substr($this->compressor->compress('<style>' . $body . '</style>'), 7, -8); |
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| 65 | ||
| 66 | return $response->withBody(stream_for($compressedBody))->withHeader('Content-Length', strlen($compressedBody)); |
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| 67 | } |
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| 68 | } |
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| 69 | ||
| @@ 14-68 (lines=55) @@ | ||
| 11 | use function React\Promise\resolve; |
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| 12 | use function RingCentral\Psr7\stream_for; |
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| 13 | ||
| 14 | final class JsCompressMiddleware |
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| 15 | { |
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| 16 | const MIME_TYPE = 'application/javascript'; |
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| 17 | ||
| 18 | /** |
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| 19 | * @var Parser |
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| 20 | */ |
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| 21 | private $compressor; |
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| 22 | ||
| 23 | /** |
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| 24 | * @param Parser $compressor |
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| 25 | */ |
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| 26 | public function __construct(Parser $compressor = null) |
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| 27 | { |
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| 28 | if ($compressor === null) { |
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| 29 | $compressor = Factory::construct(); |
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| 30 | } |
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| 31 | ||
| 32 | $this->compressor = $compressor; |
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| 33 | } |
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| 34 | ||
| 35 | public function __invoke(ServerRequestInterface $request, callable $next) |
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| 36 | { |
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| 37 | $response = $next($request); |
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| 38 | ||
| 39 | if (!($response instanceof PromiseInterface)) { |
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| 40 | return resolve($this->handleResponse($response)); |
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| 41 | } |
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| 42 | ||
| 43 | return $response->then(function (ResponseInterface $response) { |
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| 44 | return $this->handleResponse($response); |
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| 45 | }); |
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| 46 | } |
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| 47 | ||
| 48 | private function handleResponse(ResponseInterface $response) |
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| 49 | { |
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| 50 | if ($response->getBody() instanceof HttpBodyStream) { |
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| 51 | return $response; |
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| 52 | } |
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| 53 | ||
| 54 | if (!$response->hasHeader('content-type')) { |
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| 55 | return $response; |
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| 56 | } |
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| 57 | ||
| 58 | list($contentType) = explode(';', $response->getHeaderLine('content-type')); |
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| 59 | if ($contentType !== self::MIME_TYPE) { |
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| 60 | return $response; |
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| 61 | } |
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| 62 | ||
| 63 | $body = (string)$response->getBody(); |
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| 64 | $compressedBody = substr($this->compressor->compress('<script>' . $body . '</script>'), 8, -9); |
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| 65 | ||
| 66 | return $response->withBody(stream_for($compressedBody))->withHeader('Content-Length', strlen($compressedBody)); |
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| 67 | } |
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| 68 | } |
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| 69 | ||
