Merge pull request #15 from qkdreyer/patch-3

fix: prevent type error + cast body stream as string

Author: sandvige

lib/ApiMapper/ApiMapper.php

@@ -368,7 +368,7 @@ public function __call($method, $arguments)
             "response" => $response,
             "parameters" => $parameters,
             "fields" => $fields,
-            "body" => str_starts_with($response->getHeader('Content-Type'), 'application/json') ? json_decode($response->getBody(), true) : $response->getBody(),
+            "body" => str_starts_with($response->getHeaderLine('Content-Type'), 'application/json') ? json_decode($response->getBody(), true) : (string) $response->getBody(),
             "json" => \json_last_error() === \JSON_ERROR_NONE,
         );