Merge pull request #109 from kmiyauchi/master

 Performance tuning

Author: kmiyauchi

lib/util/visibilityFilter/reducer.js

@@ -11,17 +11,19 @@ var visibilityFilterReducer = exports.visibilityFilterReducer = function visibil
     var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : defaultState;
     var action = arguments[1];
 
-    var _state = JSON.parse(JSON.stringify(state));
+    var _state = void 0;
     switch (action.type) {
         case 'RESET_FILTER':
             return defaultState;
         case 'REFYDRATE_FILTER':
             return action.visibilityFilter;
         case 'CHANGE_TERM':
+            _state = JSON.parse(JSON.stringify(state));
             _state.term.q = action.term;
             return _state;
         case 'TOGGLE_FILTER':
             {
+                _state = JSON.parse(JSON.stringify(state));
                 if (!_state[action.key]) return _state;
 
                 if (!_state[action.key][action.filter.key]) _state[action.key][action.filter.key] = [];
@@ -36,13 +38,15 @@ var visibilityFilterReducer = exports.visibilityFilterReducer = function visibil
                 return _state;
             }
         case 'CHANGE_FILTER':
+            _state = JSON.parse(JSON.stringify(state));
             if (!_state[action.key]) return _state;
             action.filter.forEach(function (a) {
                 _state[action.key][a.key] = a.value;
                 // if (!a.value || a.value.length === 0) delete _state[action.key][a.key];
             });
             return _state;
         case 'SELECT_PROVINCE':
+            _state = JSON.parse(JSON.stringify(state));
             _state.category = { province: [action.province] };
             return _state;
         default:

src/util/visibilityFilter/reducer.js

@@ -3,16 +3,18 @@
  */
 const defaultState = { category: {}, sort: { order: 'desc' }, term: { q: '' } };
 export const visibilityFilterReducer = (state = defaultState, action) => {
-    const _state = JSON.parse(JSON.stringify(state));
+    let _state;
     switch (action.type) {
         case 'RESET_FILTER':
             return defaultState;
         case 'REFYDRATE_FILTER':
             return action.visibilityFilter;
         case 'CHANGE_TERM':
+            _state = JSON.parse(JSON.stringify(state));
             _state.term.q = action.term;
             return _state;
         case 'TOGGLE_FILTER': {
+            _state = JSON.parse(JSON.stringify(state));
             if (!_state[action.key]) return _state;
 
             if (!_state[action.key][action.filter.key])
@@ -30,13 +32,15 @@ export const visibilityFilterReducer = (state = defaultState, action) => {
             return _state;
         }
         case 'CHANGE_FILTER':
+            _state = JSON.parse(JSON.stringify(state));
             if (!_state[action.key]) return _state;
             action.filter.forEach(a => {
                 _state[action.key][a.key] = a.value;
                 // if (!a.value || a.value.length === 0) delete _state[action.key][a.key];
             });
             return _state;
         case 'SELECT_PROVINCE':
+            _state = JSON.parse(JSON.stringify(state));
             _state.category = { province: [action.province] };
             return _state;
         default: