Initialize chat only if user is logged in and it wasn't initialized before

src/modules/chat.js

@@ -1,16 +1,12 @@
 const chat = {
   state: {
     messages: [],
-    channel: { state: '' },
-    socket: null
+    channel: { state: '' }
   },
   mutations: {
     setChannel (state, channel) {
       state.channel = channel
     },
-    setSocket (state, socket) {
-      state.socket = socket
-    },
     addMessage (state, message) {
       state.messages.push(message)
       state.messages = state.messages.slice(-19, 20)
@@ -20,12 +16,8 @@ const chat = {
     }
   },
   actions: {
-    disconnectFromChat (store) {
-      store.state.socket && store.state.socket.disconnect()
-    },
     initializeChat (store, socket) {
       const channel = socket.channel('chat:public')
-      store.commit('setSocket', socket)
       channel.on('new_msg', (msg) => {
         store.commit('addMessage', msg)
       })