記事が編集された状態で他の記事を見ようとすると警告をだす

lib/reducer.js

@@ -1,14 +1,42 @@
 import { combineReducers } from 'redux'
 import _ from 'lodash'
-import { SWITCH_FOLDER, SWITCH_MODE, SWITCH_ARTICLE, SET_SEARCH_FILTER, SET_TAG_FILTER, CLEAR_SEARCH, TOGGLE_TUTORIAL, ARTICLE_UPDATE, ARTICLE_DESTROY, FOLDER_CREATE, FOLDER_UPDATE, FOLDER_DESTROY, FOLDER_REPLACE, IDLE_MODE, CREATE_MODE } from './actions'
+import {
+  // Status action type
+  SWITCH_FOLDER,
+  SWITCH_MODE,
+  SWITCH_ARTICLE,
+  SET_SEARCH_FILTER,
+  SET_TAG_FILTER,
+  CLEAR_SEARCH,
+  LOCK_STATUS,
+  UNLOCK_STATUS,
+  TOGGLE_TUTORIAL,
+
+  // Article action type
+  ARTICLE_UPDATE,
+  ARTICLE_DESTROY,
+
+  // Folder action type
+  FOLDER_CREATE,
+  FOLDER_UPDATE,
+  FOLDER_DESTROY,
+  FOLDER_REPLACE,
+
+  // view mode
+  IDLE_MODE,
+  CREATE_MODE
+} from './actions'
 import dataStore from 'boost/dataStore'
 import keygen from 'boost/keygen'
 import activityRecord from 'boost/activityRecord'
+import { openModal } from 'boost/modal'
+import EditedAlert from 'boost/components/modal/EditedAlert'
 
 const initialStatus = {
   mode: IDLE_MODE,
   search: '',
-  isTutorialOpen: false
+  isTutorialOpen: false,
+  isStatusLocked: false
 }
 
 let data = dataStore.getData()
@@ -134,10 +162,25 @@ function articles (state = initialArticles, action) {
 
 function status (state = initialStatus, action) {
   state = Object.assign({}, state)
+
   switch (action.type) {
     case TOGGLE_TUTORIAL:
       state.isTutorialOpen = !state.isTutorialOpen
       return state
+    case LOCK_STATUS:
+      state.isStatusLocked = true
+      return state
+    case UNLOCK_STATUS:
+      state.isStatusLocked = false
+      return state
+  }
+
+  // if status locked, status become unmutable
+  if (state.isStatusLocked) {
+    openModal(EditedAlert, {action})
+    return state
+  }
+  switch (action.type) {
     case SWITCH_FOLDER:
       state.mode = IDLE_MODE
       state.search = `//${action.data} `