split mobile mixin from socket mixin

src/mixins/mobile.js

@@ -0,0 +1,25 @@
+export default {
+
+    data() {
+        return {
+            windowWidth: window.innerWidth,
+        }
+    },
+
+    created() {
+        window.addEventListener("resize", this.onResize);
+    },
+
+    methods: {
+        onResize() {
+            this.windowWidth = window.innerWidth;
+        },
+    },
+
+    computed: {
+        isMobile() {
+            return this.windowWidth <= 767.98;
+        },
+    }
+
+}

src/mixins/socket.js

@@ -27,7 +27,6 @@ export default {
             uptimeList: { },
             certInfoList: {},
             notificationList: [],
-            windowWidth: window.innerWidth,
             showListMobile: false,
             connectionErrorMsg: "Cannot connect to the socket server. Reconnecting...",
         }
@@ -193,10 +192,6 @@ export default {
             this.$root.showListMobile = false;
         },
 
-        onResize() {
-            this.windowWidth = window.innerWidth;
-        },
-
         storage() {
             return (this.remember) ? localStorage : sessionStorage;
         },
@@ -270,10 +265,6 @@ export default {
 
     computed: {
 
-        isMobile() {
-            return this.windowWidth <= 767.98;
-        },
-
         timezone() {
 
             if (this.userTimezone === "auto") {