Merge headers correctly with option overrides

in Network layer
apollographql · Sep 9, 2016 · 877ea0b · 877ea0b
1 parent c084c2e
commit 877ea0b
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/networkInterface.ts b/src/networkInterface.ts
@@ -185,12 +185,13 @@ export class HTTPFetchNetworkInterface implements NetworkInterface {
   }: RequestAndOptions): Promise<IResponse> {
     return fetch(this._uri, assign({}, this._opts, {
       body: JSON.stringify(printRequest(request)),
-      headers: assign({}, options.headers, {
+      method: 'POST',
+    }, options, {
+      headers: assign({}, {
         Accept: '*/*',
         'Content-Type': 'application/json',
-      }),
-      method: 'POST',
-    }, options));
+      }, options.headers),
+    }));
   };
 
   public query(request: Request): Promise<GraphQLResult> {