Support headers like: application/json; charset=utf-8

Author: WyriHaximus

src/JsonDecodeMiddleware.php

@@ -49,7 +49,7 @@ public function post(
         }
 
         if (!isset($options[self::class]) &&
-            $response->getHeaderLine('Content-Type') !== 'application/json') {
+            strpos($response->getHeaderLine('Content-Type'), 'application/json') !== 0) {
             return resolve($response);
         }
 

tests/JsonDecodeMiddlewareTest.php

@@ -15,12 +15,21 @@
 
 class JsonDecodeMiddlewareTest extends TestCase
 {
-    public function testPost()
+    public function provideValidJsonContentTypes()
+    {
+        yield ['application/json'];
+        yield ['application/json; charset=utf-8'];
+    }
+
+    /**
+     * @dataProvider provideValidJsonContentTypes
+     */
+    public function testPost(string $contentType)
     {
         $loop = Factory::create();
         $service = new JsonDecodeService($loop);
         $middleware = new JsonDecodeMiddleware($service);
-        $response = new Response(200, ['Content-Type' => 'application/json'], '[]');
+        $response = new Response(200, ['Content-Type' => $contentType], '[]');
 
         $body = await(
             $middleware->post($response, 'abc'),