initial command line store:

src/js/stores/CommandLineStore.js

@@ -0,0 +1,65 @@
+"use strict";
+
+var AppConstants = require('../constants/AppConstants');
+var AppDispatcher = require('../dispatcher/AppDispatcher');
+var EventEmitter = require('events').EventEmitter;
+
+var assign = require('object-assign');
+
+var ActionTypes = AppConstants.ActionTypes;
+var COMMAND_HISTORY_KEY = 'lgb_CommandHistory';
+
+var _commandHistory = [];
+try {
+  _commandHistory = JSON.parse(
+    localStorage.getItem(COMMAND_HISTORY_KEY) || '[]'
+  ) || [];
+} catch (e) {
+}
+
+var _saveToLocalStorage = function() {
+  try {
+    localStorage.setItem(
+      COMMAND_HISTORY_KEY,
+      JSON.stringify(_commandHistory)
+    );
+  } catch (e) {
+  }
+};
+
+var CommandLineStore = assign(
+{},
+EventEmitter.prototype,
+AppConstants.StoreSubscribePrototype,
+{
+
+  getCommandHistoryLength: function() {
+    return _commandHistory.length;
+  },
+
+  getCommandHistory: function() {
+    return _commandHistory.slice(0);
+  },
+
+  dispatchToken: AppDispatcher.register(function(payload) {
+    var action = payload.action;
+    var shouldInform = false;
+
+    switch (action.type) {
+      case ActionTypes.SUBMIT_COMMAND:
+        _commandHistory.push(action.text);
+        _saveToLocalStorage();
+        shouldInform = true;
+        break;
+      case ActionTypes.CHANGE_FLIP_TREE_Y:
+        break;
+    }
+
+    if (shouldInform) {
+      CommandLineStore.emit(AppConstants.CHANGE_EVENT);
+    }
+  })
+
+});
+
+module.exports = CommandLineStore;