Merge remote-tracking branch 'origin/master' into issue491_thirdparty_edit_modal

src/Bundle/ChillMainBundle/Resources/public/lib/api/apiMethods.js

@@ -1,14 +1,20 @@
 /**
  * Generic api method that can be adapted to any fetch request
  */
-const makeFetch = (method, url, body) => {
-    return fetch(url, {
+const makeFetch = (method, url, body, options) => {
+    let opts = {
         method: method,
         headers: {
             'Content-Type': 'application/json;charset=utf-8'
         },
         body: (body !== null) ? JSON.stringify(body) : null
-    })
+    };
+
+    if (typeof options !== 'undefined') {
+        opts = Object.assign(opts, options);
+    }
+
+    return fetch(url, opts)
     .then(response => {
         if (response.ok) {
             return response.json();