import React, { useEffect, useState } from 'react';
import { Auth } from 'aws-amplify';
const fetchData = async () => {
try {
// Cognitoから現在のユーザー情報を取得し、トークンを取得
const session = await Auth.currentSession();
const idToken = session.getIdToken().getJwtToken();
// fetch APIを使用してGETリクエストを実行
const response = await fetch('https://your-api-endpoint.com/data', {
method: 'GET',
headers: {
Authorization: `Bearer ${idToken}`,
'Content-Type': 'application/json',
}
});
// レスポンスをJSON形式で取得
const data = await response.json();
return data;
} catch (error) {
console.error('Error fetching data: ', error);
return null;
}
};
const App = () => {
const [data, setData] = useState(null);
useEffect(() => {
fetchData().then(setData);
}, []);
return (
<div>
{data ? (
<div>
<h1>Data Fetched</h1>
<pre>{JSON.stringify(data, null, 2)}</pre>
</div>
) : (
<p>Loading data...</p>
)}
</div>
);
};
export default App;
