< template >
<nav class="navbar navbar-default" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="-sharp">ESN</a>
</div>
<button type="button" class="btn btn-default navbar-btn pull-right" v-on:click="logout()">
Logout
</button>
</div>
</nav>
<div class="weclome-msg" v-show="showWelcomeMessage">
<h1> Welcome {{ username }} to User home!!!</h1>
Got it, go to see DSN directory
<button v-on:click="seeDSNDir()">Yes</button>
</div>
<esndir v-show="showESNDir">
</esndir> < / div >
< / template >
< script >
import {setCookie, getCookie} from". / assets/js/cookie.js"
import esndir from"@ / components/esndir"
import axios from "axios"
import io from" socket.io-client"
export default {
data () {
return {
username: "",
showWelcomeMessage: true,
showESNDir: false
}},
mounted () {
let cookieUsername = getCookie("username")
let _this = this
this.username = cookieUsername
if (cookieUsername === "") {
this.$router.push("/login")
}
this.socket = io.connect("http://localhost:3000")
this.socket.emit("userLogin", this.username)
this.socket.on("updateUser", function () {
_this.$ref.esndir.getCitizens()
})},
methods: {
seeDSNDir () {
this.showWelcomeMessage = false
this.showESNDir = true
},
logout () {
let _this = this
axios.post("/apis/users/logout", {
params: {
username: _this.username
}
})
.then(function (response) {
console.log(response)
if (response.status === 200) { // remove current cookie
_this.socket.emit("userLogout")
setCookie("username", "", -1)
_this.$router.push("/")
}
})
.catch(function (error) {
console.log(error)
})
}},
components: {
esndir}
}
< / script >
user.vue?9c2f:46 Uncaught TypeError: Cannot read property "esndir" of undefined
at Socket.eval (user.vue?9c2f:46)
Jun.26,2022