feat: add error boundary to handle route errors with detailed messages

app/root.tsx

@@ -74,11 +74,11 @@ export const ErrorBoundary = ({ error }: Route.ErrorBoundaryProps) => {
   }
 
   return (
-    <main className="container mx-auto p-4 pt-16">
+    <main className="container mx-auto p-4">
       <h1>{message}</h1>
       <p>{details}</p>
       {stack && (
-        <pre className="w-full overflow-x-auto p-4">
+        <pre className="w-full p-4 whitespace-pre-wrap">
           <code>{stack}</code>
         </pre>
       )}

app/routes/_admin.lg-admin._dashboard.users._index.tsx

@@ -1,3 +1,5 @@
+import { isRouteErrorResponse } from 'react-router'
+
 import { getUsers } from '~/apis/admin/get-users'
 import { handleCookie } from '~/libs/cookies'
 import { UsersPage } from '~/pages/dashboard-users'
@@ -13,5 +15,34 @@ export const loader = async ({ request }: Route.LoaderArgs) => {
   return { usersData }
 }
 
+export const ErrorBoundary = ({ error }: Route.ErrorBoundaryProps) => {
+  let message = 'Oops!'
+  let details = 'An unexpected error occurred.'
+  let stack: string | undefined
+
+  if (isRouteErrorResponse(error)) {
+    message = error.status === 404 ? '404' : 'Error'
+    details =
+      error.status === 404
+        ? 'The requested page could not be found.'
+        : error.statusText || details
+  } else if (import.meta.env.DEV && error && error instanceof Error) {
+    details = error.message
+    stack = error.stack
+  }
+
+  return (
+    <div className="container mx-auto p-4">
+      <h1>{message}</h1>
+      <p>{details}</p>
+      {stack && (
+        <pre className="w-full p-4 whitespace-pre-wrap">
+          <code>{stack}</code>
+        </pre>
+      )}
+    </div>
+  )
+}
+
 const DashboardUsersLayout = () => <UsersPage />
 export default DashboardUsersLayout