Adjust Version-Check to look on length of buildings;

js/app.js

@@ -1,7 +1,6 @@
 let game = new Vue({
     el: '#root',
     data: {
-        version: 0.3,
         money: 0,
         loaded: false,
         resources: {
@@ -133,7 +132,7 @@ let game = new Vue({
         loadedIntervals: []
     },
     created() {
-        this.versionCheck();
+        this.checkBuildings();
 
         this.money = this.getSavedMoney();
         this.saveMoney();
@@ -144,15 +143,12 @@ let game = new Vue({
         this.loaded = true;
     },
     methods: {
-        versionCheck() {
-            let lastVersion = localStorage.getItem('lastVersion');
+        checkBuildings() {
+            let savedBuildings = JSON.parse(localStorage.getItem('buildings'));
 
-            if ((lastVersion && lastVersion > this.version)) {
+            if (savedBuildings.length !== this.buildings.length) {
                 localStorage.setItem('buildings', this.buildings.stringify());
-                localStorage.setItem('lastVersion', this.version);
                 alert('Buildings have been resetted due to an important update.')
-            } else {
-                localStorage.setItem('lastVersion', this.version);
             }
         },