Pass options to json renderer

Author: phpbg

src/Renderer/Json.php

@@ -36,10 +36,13 @@
  */
 class Json implements RendererInterface
 {
+    const JSON_OPTIONS_KEY = 'jsonOptions';
+
     public function render(ServerRequestInterface $request, ResponseInterface $response, array $options, $data): ResponseInterface
     {
         $response = $response->withHeader('Content-Type', 'application/json');
-        $dataStr = json_encode($data);
+        $opts = $options[static::JSON_OPTIONS_KEY] ?? 0;
+        $dataStr = json_encode($data, $opts);
         if ($dataStr === false) {
             // Check for JSON error
             $err = json_last_error();
@@ -61,7 +64,8 @@ public function renderException(ServerRequestInterface $request, ResponseInterfa
                 'message' => $exception->getMessage(),
                 'details' => $exception->data
             ];
-            $response = $response->withBody(stream_for(json_encode($data)));
+            $opts = $options[static::JSON_OPTIONS_KEY] ?? 0;
+            $response = $response->withBody(stream_for(json_encode($data, $opts)));
         } else {
             $response = $response->withStatus(500);
         }

tests/Renderer/JsonTest.php

@@ -48,6 +48,20 @@ public function testRenderOK()
         $this->assertSame('application/json', $response->getHeaderLine('Content-Type'));
     }
 
+    public function testRenderOKWithOpts()
+    {
+        $renderer = new Json();
+        $request = new ServerRequest('GET', '/');
+        $response = new Response();
+        $data = ['foo' => 'bar'];
+
+        $response = $renderer->render($request, $response, [Json::JSON_OPTIONS_KEY => JSON_PRETTY_PRINT], $data);
+
+        $this->assertSame(200, $response->getStatusCode());
+        $this->assertSame(json_encode($data, JSON_PRETTY_PRINT), $response->getBody()->getContents());
+        $this->assertSame('application/json', $response->getHeaderLine('Content-Type'));
+    }
+
     public function testRenderKO()
     {
         $renderer = new Json();