configure fetchKeepalive

dist/scorm-again.js

@@ -687,7 +687,8 @@ var BaseAPI = /*#__PURE__*/function () {
 
               break;
           }
-        }
+        },
+        fetchKeepalive: function fetchKeepalive() {}
       }
     });
 
@@ -1803,7 +1804,7 @@ var BaseAPI = /*#__PURE__*/function () {
                 'Content-Type': settings.commitRequestDataType
               }),
               credentials: settings.xhrWithCredentials ? 'include' : undefined,
-              keepalive: true
+              keepalive: settings.fetchKeepalive()
             });
             result = {};
             result.result = global_constants.SCORM_TRUE;