refactor: fix PHPStan errors

Author: kenjis

phpstan-baseline.php

@@ -2148,7 +2148,7 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
-	'count' => 5,
+	'count' => 3,
 	'path' => __DIR__ . '/system/HTTP/IncomingRequest.php',
 ];
 $ignoreErrors[] = [

system/HTTP/IncomingRequest.php

@@ -152,10 +152,12 @@ class IncomingRequest extends Request
      */
     public function __construct($config, ?URI $uri = null, $body = 'php://input', ?UserAgent $userAgent = null)
     {
-        if (empty($uri) || empty($userAgent)) {
+        if ($uri === null || $userAgent === null) {
             throw new InvalidArgumentException('You must supply the parameters: uri, userAgent.');
         }
 
+        assert($uri instanceof SiteURI);
+
         $this->populateHeaders();
 
         if (
@@ -182,15 +184,22 @@ public function __construct($config, ?URI $uri = null, $body = 'php://input', ?U
 
         parent::__construct($config);
 
-        if ($uri instanceof SiteURI) {
-            $this->setPath($uri->getRoutePath());
-        } else {
-            $this->setPath($uri->getPath());
-        }
-
+        $this->setPath($uri->getRoutePath());
         $this->detectLocale($config);
     }
 
+    /**
+     * Retrieves the URI instance.
+     *
+     * @return SiteURI
+     */
+    public function getUri()
+    {
+        assert($this->uri instanceof SiteURI);
+
+        return $this->uri;
+    }
+
     private function getPostMaxSize(): int
     {
         $postMaxSize = ini_get('post_max_size');