From ec8c5fcb707164b6269d221beee09a321b023273 Mon Sep 17 00:00:00 2001
From: Heikki Hellgren <heikki.hellgren@op.fi>
Date: Fri, 8 Dec 2023 14:38:34 +0200
Subject: [PATCH] fix: only allow one signal client instance at once

Signed-off-by: Heikki Hellgren <heikki.hellgren@op.fi>
---
 plugins/signals/src/plugin.ts | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/plugins/signals/src/plugin.ts b/plugins/signals/src/plugin.ts
index 946e9aaa71..1482d7dae1 100644
--- a/plugins/signals/src/plugin.ts
+++ b/plugins/signals/src/plugin.ts
@@ -22,6 +22,8 @@ import {
 import { signalApiRef } from '@backstage/plugin-signals-react';
 import { SignalClient } from './api/SignalClient';
 
+let clientInstance: SignalClient | undefined = undefined;
+
 /** @public */
 export const signalsPlugin = createPlugin({
   id: 'signals',
@@ -32,11 +34,15 @@ export const signalsPlugin = createPlugin({
         identity: identityApiRef,
         discoveryApi: discoveryApiRef,
       },
-      factory: ({ identity, discoveryApi }) =>
-        SignalClient.create({
-          identity,
-          discoveryApi,
-        }),
+      factory: ({ identity, discoveryApi }) => {
+        if (!clientInstance) {
+          clientInstance = SignalClient.create({
+            identity,
+            discoveryApi,
+          });
+        }
+        return clientInstance;
+      },
     }),
   ],
 });