Added a singleton event handler class for websocket

src/services/ws.js

+const Stomp = require("stompjs");
+const SockJS = new require("sockjs-client")(process.env.VUE_APP_BASEURL + "ws");
+import {parseCurrentUser} from "@/utils/token-utils";
+
+// Create a Singleton function
+// Events fired by websocket, MESSAGE
+const ws = (function () {
+
+    // Object of all injected functions that the client may want
+    const handlers = {};
+
+    const fire = function (event, data) {
+        if (handlers[event]) {
+            handlers[event](data)
+        }
+    };
+
+    const onMessageReceived = (payload) => {
+        const data = JSON.parse(payload.body);
+
+        console.log("New message!")
+        // Fire message event
+        fire("MESSAGE", JSON.parse(payload.body));
+        
+        if(data.status == "NEW_MESSAGE") fire("NEW_MESSAGE", JSON.parse(payload.body));
+
+        console.log("Received message: " + payload);
+    }
+
+    const onConnected = () => {
+        
+        console.log("Websocket Connected");
+        stompClient.subscribe(
+            "/user/" + parseCurrentUser().account_id + "/queue/messages",
+            onMessageReceived
+        );
+    };
+
+
+    const onError = () => {
+
+    };
+
+    let stompClient = Stomp.over(SockJS);
+
+    stompClient.connect({}, onConnected, onError);
+
+
+
+    return {
+        on: function (event, callback) {
+            handlers[event] = callback;
+        },
+        fire: fire,
+        isActive: function (event) {
+            return !!handlers[event];
+        },
+        end: function (event) {
+            if (handlers[event]) {
+                delete handlers[event];
+            } else {
+                throw new Error("No handler for event: " + event);
+            }
+        },
+        sendMessage: ({sender, recipient, status }) => {
+            if(status) console.log(status)
+            stompClient.send("/app/chat", {}, JSON.stringify({
+                from: sender,
+                to: recipient,
+                id: null,
+                status: "NEW_MESSAGE"
+            }));
+        },
+        test: true
+    }
+})();
+
+
+export default ws;
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