From b22fa42a92e6a5beb16c55bc1ffe19d5cb718295 Mon Sep 17 00:00:00 2001
From: Stanislaw Malinowski <stanislaw.malinowski@diamond.ac.uk>
Date: Mon, 1 Jul 2024 07:45:33 +0100
Subject: [PATCH] re-added the default themes from backstage

---
 backstage/packages/app/src/App.tsx | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/backstage/packages/app/src/App.tsx b/backstage/packages/app/src/App.tsx
index bdca32ed..b55dd326 100644
--- a/backstage/packages/app/src/App.tsx
+++ b/backstage/packages/app/src/App.tsx
@@ -27,7 +27,7 @@ import {
 import { ReportIssue } from '@backstage/plugin-techdocs-module-addons-contrib';
 import { TechDocsAddons } from '@backstage/plugin-techdocs-react';
 import { UserSettingsPage } from '@backstage/plugin-user-settings';
-import { UnifiedThemeProvider } from '@backstage/theme';
+import { themes, UnifiedThemeProvider } from '@backstage/theme';
 import NightsStay from '@material-ui/icons/NightsStay';
 import LightIcon from '@material-ui/icons/WbSunny';
 import React from 'react';
@@ -80,6 +80,24 @@ const app = createApp({
         <UnifiedThemeProvider theme={diamondDarkTheme} children={children} />
       ),
     },
+    {
+      id: 'default-dark-theme',
+      title: 'Backstage Default Dark Theme',
+      variant: 'dark',
+      icon: <NightsStay />,
+      Provider: ({ children }) => (
+        <UnifiedThemeProvider theme={themes.dark} children={children} />
+      ),
+    },
+    {
+      id: 'default-light-theme',
+      title: 'Backstage Default Light Theme',
+      variant: 'light',
+      icon: <LightIcon />,
+      Provider: ({ children }) => (
+        <UnifiedThemeProvider theme={themes.light} children={children} />
+      ),
+    },
   ],
 });