GPT

Standard Error Handling Pattern

// ✅ CORRECT async function handleAuthentication() { try { const auth0Client = await createAuth0Client({ domain: 'YOURAUTH0DOMAIN', clientId: 'YOURCLIENTID' }); if (location.search.includes("code=")) { await aut

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// ✅ CORRECT
async function handleAuthentication() {
 try {
 const auth0Client = await createAuth0Client({
 domain: 'YOUR_AUTH0_DOMAIN',
 clientId: 'YOUR_CLIENT_ID'
 });
 
 if (location.search.includes("code=")) {
 await auth0Client.handleRedirectCallback();
 window.history.replaceState({}, document.title, "/");
 }
 
 return auth0Client;
 } catch (error) {
 if (error.error === 'login_required') {
 throw new Auth0Error('Authentication required', 'login_required');
 }
 throw error;
 }
}

// ❌ INCORRECT
async function handleAuthentication() {
 const auth0Client = await createAuth0Client({ // Missing error handling
 domain: 'YOUR_AUTH0_DOMAIN',
 clientId: 'YOUR_CLIENT_ID'
 });
 return auth0Client;
}

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