save settings on the fly

src/settings/reducers/setting.js

@@ -1,6 +1,7 @@
 import actions from 'settings/actions';
 
 const defaultState = {
+  source: '',
   json: '',
   value: {}
 };
@@ -9,6 +10,7 @@ export default function reducer(state = defaultState, action = {}) {
   switch (action.type) {
   case actions.SETTING_SET_SETTINGS:
     return {
+      source: action.source,
       json: action.json,
       value: action.value,
     };