♻️ refactor(ErrorPage): use Mui components

src/components/pages/ErrorPage/ErrorPage.test.tsx

@@ -17,12 +17,13 @@ describe('Renders ErrorPage correctly', async () => {
    * Passes - shows title correctly
    */
   it('Should render the error page correctly', () => {
-    const router = createMemoryRouter([{ path: '/', element: <div />, errorElement: <ErrorPage /> }], { initialEntries: ['/some/bad/route'] })
+    const badRoute = '/some/bad/route'
+    const router = createMemoryRouter([{ path: '/', element: <div />, errorElement: <ErrorPage /> }], { initialEntries: [badRoute] })
 
     render(<RouterProvider router={router} />)
 
     expect(screen.getByText('Oops!')).toBeInTheDocument()
     expect(screen.getByText('Sorry, an unexpected error has occurred.')).toBeInTheDocument()
-    expect(screen.getByText('404 Not Found')).toBeInTheDocument()
+    expect(screen.getByText(`404 Error: No route matches URL "${badRoute}"`)).toBeInTheDocument()
   })
 })

src/components/pages/ErrorPage/ErrorPage.tsx

@@ -1,22 +1,21 @@
 import { isRouteErrorResponse, useRouteError } from 'react-router-dom'
+import { Box, Typography } from '@mui/material'
 
 const ErrorPage: React.FC = () => {
   const error: unknown = useRouteError()
-  if (isRouteErrorResponse(error)) {
   return (
-      <div id="error-page" className="flex flex-col gap-8 justify-center items-center h-screen">
+    <Box display="flex" flexDirection="column" justifyContent="center" alignItems="center" minHeight="100vh">
-        <h1 className="text-4xl font-bold">Oops!</h1>
+      <Typography variant="h1" color="primary.main">
-        <p>Sorry, an unexpected error has occurred.</p>
+        Oops!
+      </Typography>
+      <Typography variant="h6">Sorry, an unexpected error has occurred.</Typography>
       {isRouteErrorResponse(error) && (
-          <p className="text-slate-400">
+        <Typography color="text.secondary">
-            <i>
+          {error.status} {error.data}
-              {error.status} {error.statusText}
+        </Typography>
-            </i>
-          </p>
       )}
-      </div>
+    </Box>
   )
 }
-}
 
 export default ErrorPage