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<?php declare(strict_types=1); |
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namespace WyriHaximus\React\Http\Middleware; |
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use Psr\Http\Message\ServerRequestInterface; |
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use React\Promise\PromiseInterface; |
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use function React\Promise\resolve; |
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final class MiddlewareRunner |
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{ |
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/** |
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* @var MiddlewareRunner |
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*/ |
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private $middleware; |
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/** |
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* @param callable[] $middleware |
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*/ |
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public function __construct(callable ...$middleware) |
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{ |
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$this->middleware = $middleware; |
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} |
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public function __invoke(ServerRequestInterface $request, $next) |
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{ |
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$response = $this->call($request, 0, $next); |
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if ($response instanceof PromiseInterface) { |
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return $response; |
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} |
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return resolve($response); |
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} |
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private function call(ServerRequestInterface $request, $position, $last) |
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{ |
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if (!isset($this->middleware[$position])) { |
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return $last($request); |
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} |
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// final request handler will be invoked without a next handler |
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if (!isset($this->middleware[$position + 1])) { |
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$handler = $this->middleware[$position]; |
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return $handler($request, $last); |
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} |
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$next = function (ServerRequestInterface $request) use ($position, $last) { |
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return $this->call($request, $position + 1, $last); |
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}; |
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// invoke middleware request handler with next handler |
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$handler = $this->middleware[$position]; |
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return $handler($request, $next); |
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} |
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} |
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WyriHaximus /
reactphp-http-middleware-runner
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..