Fix: ES5 -> ES6 class

src/game/menu/menu_app.js

@@ -1,13 +1,13 @@
 /////////////////////////////
 // MenuApp
 
-let MenuApp = {
+class MenuApp {
 
-	preload: function() {
+	preload() {
 		game.load.image('icon_fullscreen', '../../../resources/image/icon/fullscreen_white.png');
-	},
+	}
 
-	create: function() {
+	create() {
 		this.game.stage.backgroundColor = '#4d4d4d';
 
 		// top
@@ -46,9 +46,9 @@ let MenuApp = {
 		screenBottom.printBottomRightText(sessionStorageManager.playerName);
 
 		// this.loadTypingStageData();
-	},
+	}
 
-	loadTypingStageData: function() {
+	loadTypingStageData() {
 		var self = this;
 
 		xhr = new XMLHttpRequest();
@@ -65,9 +65,9 @@ let MenuApp = {
 		xhr.open('GET', 'activated_stage_list.php', true);
 		xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 		xhr.send();
-	},
+	}
 
-	updateStageButton: function(jsonData) {
+	updateStageButton(jsonData) {
 		// console.log(JSON.stringify(jsonData));
 
 		for(var i = 0; i < jsonData.length; i++) {
@@ -79,9 +79,9 @@ let MenuApp = {
 				jsonData[i]["Activated"]
 			);
 		}
-	},
+	}
 
-	activateStageButton: function(stageName, isActivated) {
+	activateStageButton(stageName, isActivated) {
 		for(var i = 0; i < this.stageButtonArray.length; i++) {
 			var buttonName = this.stageButtonArray[i].name;
 			var buttonLanguage = buttonName.charAt(0) == "k" ? "korean" : "english";
@@ -106,9 +106,9 @@ let MenuApp = {
 				}
 			}
 		}
-	},
+	}
 
-	startStage: function() {
+	startStage() {
 		var language = this.name.substring(0, 1) == "k" ? LANGUAGE_KOREAN : LANGUAGE_ENGLISH;
 		var level = this.name.substring(1);
 
@@ -116,6 +116,6 @@ let MenuApp = {
 		// console.log(playingStageData);
 
 		this.startState('TypingTestStage');
-	},
+	}
 
 }