src/App.tsx

@@ -1,35 +1,55 @@
-import { useState } from 'react'
-import reactLogo from './assets/react.svg'
-import viteLogo from '/vite.svg'
+import { useState, useEffect } from 'react'
 import './App.css'
 
 function App() {
-  const [count, setCount] = useState(0)
+  const [message, setMessage] = useState('');
+  const [sseMessage, setSseMessage] = useState('');
+
+  const sendMessage = async () => {
+    try {
+      const response = await fetch("http://localhost:8000/message", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({ message }),
+      });
+      const data = await response.json();
+      console.log(data);
+    } catch (error) {
+      console.error("Error sending message: ", error);
+    }
+  };
+
+  useEffect(() => {
+    const eventSource = new EventSource("http://localhost:8000/sse");
+
+    eventSource.onmessage = (event) => {
+      setSseMessage(event.data);
+    };
+
+    return () => {
+      eventSource.close();
+    };
+  });
 
   return (
-    <>
+    <div className="App">
       <div>
-        <a href="https://vite.dev" target="_blank">
-          <img src={viteLogo} className="logo" alt="Vite logo" />
-        </a>
-        <a href="https://react.dev" target="_blank">
-          <img src={reactLogo} className="logo react" alt="React logo" />
-        </a>
+        <input
+          type="text"
+          value={message}
+          onChange={(e) => setMessage(e.target.value)}
+          placeholder="Enter a message"
+        />
+        <button onClick={sendMessage}>Send Message to Backend</button>
       </div>
-      <h1>Vite + React</h1>
-      <div className="card">
-        <button onClick={() => setCount((count) => count + 1)}>
-          count is {count}
-        </button>
-        <p>
-          Edit <code>src/App.tsx</code> and save to test HMR
-        </p>
+      <div>
+        <h2>Message from Server (SSE):</h2>
+        <p>{sseMessage}</p>
       </div>
-      <p className="read-the-docs">
-        Click on the Vite and React logos to learn more
-      </p>
-    </>
-  )
+    </div>
+  );
 }
 
 export default App