docs/2.guide/4.recipes/4.sessions-and-authentication.md (5)

8-8: Fix grammatical issues in the introduction

There are two grammatical issues to address:

1. Missing comma after "In this recipe"
2. "setup" should be "set up" as it's used as a verb

-In this recipe we'll be setting up authentication in a full-stack Nuxt app using [Nuxt Auth Utils]
+In this recipe, we'll be setting up authentication in a full-stack Nuxt app using [Nuxt Auth Utils]

-so you don't need to setup a database
+so you don't need to set up a database

Also applies to: 10-10

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[typographical] ~8-~8: It appears that a comma is missing.
Context: ...uxt app." --- ## Introduction In this recipe we'll be setting up authentication in a...

(DURING_THAT_TIME_COMMA)

---

101-112: Enhance login form security and user experience

The current implementation could benefit from improved error handling and user feedback.

Consider these improvements:

+const loading = ref(false)
+const error = ref('')

 async function login() {
+  error.value = ''
+  loading.value = true
   $fetch('/api/login', {
     method: 'POST',
     body: credentials
   })
   .then(async () => {
     await refreshSession()
     await navigateTo('/')
   })
-  .catch(() => alert('Bad credentials'))
+  .catch((e) => {
+    error.value = 'Invalid email or password'
+    console.error('Login error:', e)
+  })
+  .finally(() => {
+    loading.value = false
+  })
 }

Add to template:

<div v-if="error" class="error">{{ error }}</div>
<button type="submit" :disabled="loading">
  {{ loading ? 'Logging in...' : 'Login' }}
</button>

---

132-141: Add request validation and error handling to protected route

The protected route could benefit from additional validation and error handling.

Consider enhancing the implementation:

 export default defineEventHandler(async (event) => {
+  // Validate query parameters if any
+  const query = getQuery(event)
+  
   const { user } = await requireUserSession(event)
 
-  // TODO: Fetch some stats based on the user
+  try {
+    // Fetch stats with proper error handling
+    const stats = await fetchUserStats(user.id)
+    return stats
+  } catch (error) {
+    throw createError({
+      statusCode: 500,
+      message: 'Failed to fetch user stats'
+    })
+  }
-  return {}
 })

---

175-180: Add type safety and loading state to logout functionality

The logout implementation could be enhanced with better type safety and user feedback.

Consider these improvements:

+const loading = ref(false)
 const { user, clear: clearSession } = useUserSession()
 
 async function logout() {
+  loading.value = true
   try {
     await clearSession()
     await navigateTo('/login')
+  } catch (error) {
+    console.error('Logout failed:', error)
+  } finally {
+    loading.value = false
   }
 }

---

203-203: Fix grammar in conclusion

-Checkout the open source [atidone repository]
+Check out the open source [atidone repository]

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Plan: Pro

docs/2.guide/4.recipes/4.sessions-and-authentication.md (4)

111-111: Enhance error handling in login form

Using alert() for error feedback provides poor user experience. Consider implementing a more user-friendly error display mechanism.

-  .catch(() => alert('Bad credentials'))
+  .catch((error) => {
+    const errorMessage = error.data?.message || 'Login failed. Please try again.'
+    // Update UI state to show error message
+    credentials.error = errorMessage
+  })

Additionally, consider adding:

• Loading state during form submission
• Disable form submission while processing
• Clear error message when user starts typing

---

175-180: Add type safety and error handling to logout operation

The current implementation lacks type safety and proper error handling.

-const { user, clear: clearSession } = useUserSession()
+interface User {
+  name: string;
+  // Add other user properties
+}
+
+const { user, clear: clearSession } = useUserSession<User>()

 async function logout() {
+  try {
     await clearSession()
     await navigateTo('/login')
+  } catch (error) {
+    console.error('Logout failed:', error)
+    // Handle error appropriately
+  }
 }

---

203-203: Add link to demo implementation

Consider adding a link to the demo implementation of this authentication recipe.

 Checkout the open source [atidone repository](https://github.com/atinux/atidone) for a full example of a Nuxt app with OAuth authentication, database and CRUD operations.
+
+You can also explore a live demo of this authentication recipe at [nuxt-auth-example](https://github.com/gearbox-solutions/nuxt-auth-example).

---

165-165: Fix grammar and typography issues

There are a few grammar issues that need attention:

-Now that we have our app middleware to protect our routes, we can use it on our home page that display our authenticated user informations.
+Now that we have our app middleware to protect our routes, we can use it on our home page that displays our authenticated user information.

-Checkout the open source [atidone repository]
+Check out the open source [atidone repository]

Also applies to: 202-202

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[misspelling] ~165-~165: The word ‘informations’ is a legal term. In standard English, the word ‘information’ is a non-count noun.
Context: ...age that display our authenticated user informations. If the user is not authenticated, they...

(INFORMATIONS)

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Plan: Pro

 ```dotenv [.env]
 NUXT_SESSION_PASSWORD=a-random-password-with-at-least-32-characters

---

`57-66`: **Add security measures to login endpoint**

The current implementation has several security considerations that should be addressed:


```diff
-  if (email === 'admin@admin.com' && password === 'iamtheadmin') {
+  // Add rate limiting
+  const rateLimiter = useRateLimiter(event)
+  await rateLimiter.limit()
+
+  // Add security headers
+  setHeader(event, 'X-Frame-Options', 'DENY')
+  setHeader(event, 'X-Content-Type-Options', 'nosniff')
+
+  // Validate user from database
+  const user = await validateUser(email, password)
+  if (user) {
     await setUserSession(event, {
-      user: {
-        name: 'John Doe'
-      }
+      user: { id: user.id, name: user.name }
     })
     return {}
   }