Use sooner for errors

Author: BrunoQuaresma

chat/bun.lock

@@ -10,8 +10,10 @@
         "clsx": "^2.1.1",
         "lucide-react": "^0.511.0",
         "next": "15.2.4",
+        "next-themes": "^0.4.6",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
+        "sonner": "^2.0.3",
         "tailwind-merge": "^3.3.0",
       },
       "devDependencies": {
@@ -642,6 +644,8 @@
 
     "next": ["[email protected]", "", { "dependencies": { "@next/env": "15.2.4", "@swc/counter": "0.1.3", "@swc/helpers": "0.5.15", "busboy": "1.6.0", "caniuse-lite": "^1.0.30001579", "postcss": "8.4.31", "styled-jsx": "5.1.6" }, "optionalDependencies": { "@next/swc-darwin-arm64": "15.2.4", "@next/swc-darwin-x64": "15.2.4", "@next/swc-linux-arm64-gnu": "15.2.4", "@next/swc-linux-arm64-musl": "15.2.4", "@next/swc-linux-x64-gnu": "15.2.4", "@next/swc-linux-x64-musl": "15.2.4", "@next/swc-win32-arm64-msvc": "15.2.4", "@next/swc-win32-x64-msvc": "15.2.4", "sharp": "^0.33.5" }, "peerDependencies": { "@opentelemetry/api": "^1.1.0", "@playwright/test": "^1.41.2", "babel-plugin-react-compiler": "*", "react": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "react-dom": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "sass": "^1.3.0" }, "optionalPeers": ["@opentelemetry/api", "@playwright/test", "babel-plugin-react-compiler", "sass"], "bin": "dist/bin/next" }, "sha512-VwL+LAaPSxEkd3lU2xWbgEOtrM8oedmyhBqaVNmgKB+GvZlCy9rgaEc+y2on0wv+l0oSFqLtYD6dcC1eAedUaQ=="],
 
+    "next-themes": ["[email protected]", "", { "peerDependencies": { "react": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc", "react-dom": "^16.8 || ^17 || ^18 || ^19 || ^19.0.0-rc" } }, "sha512-pZvgD5L0IEvX5/9GWyHMf3m8BKiVQwsCMHfoFosXtXBMnaS0ZnIJ9ST4b4NqLVKDEm8QBxoNNGNaBv2JNF6XNA=="],
+
     "object-assign": ["[email protected]", "", {}, "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="],
 
     "object-inspect": ["[email protected]", "", {}, "sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew=="],
@@ -750,6 +754,8 @@
 
     "slash": ["[email protected]", "", {}, "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q=="],
 
+    "sonner": ["[email protected]", "", { "peerDependencies": { "react": "^18.0.0 || ^19.0.0 || ^19.0.0-rc", "react-dom": "^18.0.0 || ^19.0.0 || ^19.0.0-rc" } }, "sha512-njQ4Hht92m0sMqqHVDL32V2Oun9W1+PHO9NDv9FHfJjT3JT22IG4Jpo3FPQy+mouRKCXFWO+r67v6MrHX2zeIA=="],
+
     "source-map-js": ["[email protected]", "", {}, "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA=="],
 
     "stable-hash": ["[email protected]", "", {}, "sha512-+L3ccpzibovGXFK+Ap/f8LOS0ahMrHTf3xu7mMLSpEGU0EO9ucaysSylKo9eRDFNhWve/y275iPmIZ4z39a9iA=="],

chat/package.json

@@ -18,8 +18,10 @@
     "clsx": "^2.1.1",
     "lucide-react": "^0.511.0",
     "next": "15.2.4",
+    "next-themes": "^0.4.6",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "sonner": "^2.0.3",
     "tailwind-merge": "^3.3.0"
   },
   "devDependencies": {

chat/src/app/layout.tsx

@@ -1,6 +1,7 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
+import { Toaster } from "@/components/ui/sonner";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",
@@ -28,7 +29,8 @@ export default function RootLayout({
         className={`${geistSans.variable} ${geistMono.variable} antialiased`}
       >
         {children}
+        <Toaster richColors />
       </body>
     </html>
   );
-}
+}

chat/src/components/ChatInterface.tsx

@@ -4,6 +4,7 @@ import { useState, useEffect, useRef, useCallback } from "react";
 import MessageList from "./MessageList";
 import MessageInput from "./MessageInput";
 import { useSearchParams } from "next/navigation";
+import { toast } from "sonner";
 
 interface Message {
   role: string;
@@ -149,8 +150,6 @@ export default function ChatInterface() {
     };
   }, [agentAPIUrl]);
 
-  const [error, setError] = useState<string | null>(null);
-
   // Send a new message
   const sendMessage = async (
     content: string,
@@ -159,9 +158,6 @@ export default function ChatInterface() {
     // For user messages, require non-empty content
     if (type === "user" && !content.trim()) return;
 
-    // Clear any previous errors
-    setError(null);
-
     // For raw messages, don't set loading state as it's usually fast
     if (type === "user") {
       setLoading(true);
@@ -190,9 +186,9 @@ export default function ChatInterface() {
             : "";
 
         const fullDetail = `${detail}: ${messages}`;
-        setError(`Failed to send message: ${fullDetail}`);
-        // Auto-clear error after 5 seconds
-        setTimeout(() => setError(null), 5000);
+        toast.error(`Failed to send message`, {
+          description: fullDetail,
+        });
       }
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
     } catch (error: any) {
@@ -206,9 +202,9 @@ export default function ChatInterface() {
 
       const fullDetail = `${detail}: ${messages}`;
 
-      setError(`Error sending message: ${fullDetail}`);
-      // Auto-clear error after 5 seconds
-      setTimeout(() => setError(null), 5000);
+      toast.error(`Error sending message`, {
+        description: fullDetail,
+      });
     } finally {
       if (type === "user") {
         setLoading(false);
@@ -265,18 +261,6 @@ export default function ChatInterface() {
           </div>
         )}
 
-        {error && (
-          <div className="bg-red-100 border border-red-400 text-red-700 px-4 py-2 text-sm relative">
-            <span className="block sm:inline">{error}</span>
-            <button
-              onClick={() => setError(null)}
-              className="absolute top-0 bottom-0 right-0 px-4 py-2"
-            >
-              ×
-            </button>
-          </div>
-        )}
-
         <MessageList messages={messages} loading={loading} />
         <MessageInput onSendMessage={sendMessage} disabled={loading} />
       </main>

chat/src/components/ui/sonner.tsx

@@ -0,0 +1,25 @@
+"use client"
+
+import { useTheme } from "next-themes"
+import { Toaster as Sonner, ToasterProps } from "sonner"
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  const { theme = "system" } = useTheme()
+
+  return (
+    <Sonner
+      theme={theme as ToasterProps["theme"]}
+      className="toaster group"
+      style={
+        {
+          "--normal-bg": "var(--popover)",
+          "--normal-text": "var(--popover-foreground)",
+          "--normal-border": "var(--border)",
+        } as React.CSSProperties
+      }
+      {...props}
+    />
+  )
+}
+
+export { Toaster }