Add base debug WS route

matrixgw_frontend/src/App.tsx

@@ -14,6 +14,7 @@ import { HomeRoute } from "./routes/HomeRoute";
 import { MatrixAuthCallback } from "./routes/MatrixAuthCallback";
 import { MatrixLinkRoute } from "./routes/MatrixLinkRoute";
 import { NotFoundRoute } from "./routes/NotFoundRoute";
+import { WSDebugRoute } from "./routes/WSDebugRoute";
 import { BaseLoginPage } from "./widgets/auth/BaseLoginPage";
 import BaseAuthenticatedPage from "./widgets/dashboard/BaseAuthenticatedPage";
 
@@ -43,6 +44,7 @@ export function App(): React.ReactElement {
           <Route path="matrix_link" element={<MatrixLinkRoute />} />
           <Route path="matrix_auth_cb" element={<MatrixAuthCallback />} />
           <Route path="tokens" element={<APITokensRoute />} />
+          <Route path="wsdebug" element={<WSDebugRoute />} />
           <Route path="*" element={<NotFoundRoute />} />
         </Route>
       ) : (

matrixgw_frontend/src/api/WsApi.ts

@@ -0,0 +1,15 @@
+import { APIClient } from "./ApiClient";
+
+export type WsMessage = {
+  type: string;
+  [k: string]: any;
+};
+
+export class WsApi {
+  /**
+   * Get WebSocket URL
+   */
+  static get WsURL(): string {
+    return APIClient.backendURL() + "/ws";
+  }
+}

matrixgw_frontend/src/routes/MatrixLinkRoute.tsx

@@ -256,7 +256,7 @@ function SyncThreadStatus(): React.ReactElement {
   React.useEffect(() => {
     const interval = setInterval(loadStatus, 1000);
 
-    () => clearInterval(interval);
+    return () => clearInterval(interval);
   }, []);
 
   return (

matrixgw_frontend/src/routes/WSDebugRoute.tsx

@@ -0,0 +1,54 @@
+import React from "react";
+import { WsApi, type WsMessage } from "../api/WsApi";
+import { useSnackbar } from "../hooks/contexts_provider/SnackbarProvider";
+import { time } from "../utils/DateUtils";
+import { MatrixGWRouteContainer } from "../widgets/MatrixGWRouteContainer";
+
+const State = {
+  Closed: "Closed",
+  Connected: "Connected",
+  Error: "Error",
+} as const;
+
+type TimestampedMessages = WsMessage & { time: number };
+
+export function WSDebugRoute(): React.ReactElement {
+  const snackbar = useSnackbar();
+
+  const [state, setState] = React.useState<string>(State.Closed);
+  const wsRef = React.useRef<WebSocket | undefined>(undefined);
+
+  const [messages, setMessages] = React.useState<TimestampedMessages[]>([]);
+
+  React.useEffect(() => {
+    const ws = new WebSocket(WsApi.WsURL);
+    wsRef.current = ws;
+
+    ws.onopen = () => setState(State.Connected);
+    ws.onerror = (e) => {
+      console.error(`WS Debug error! ${e}`);
+      snackbar(`WebSocket error! ${e}`);
+      setState(State.Error);
+    };
+    ws.onclose = () => {
+      setState(State.Closed);
+      wsRef.current = undefined;
+    };
+
+    ws.onmessage = (msg) => {
+      const dec = JSON.parse(msg.data);
+      setMessages((l) => {
+        return [{ time: time(), ...dec }, ...l];
+      });
+    };
+
+    return () => ws.close();
+  }, []);
+
+  return (
+    <MatrixGWRouteContainer label={"WebSocket Debug"}>
+      State: {state}
+      {JSON.stringify(messages)}
+    </MatrixGWRouteContainer>
+  );
+}