Migration to Nuxt v4 file structure and dependencies update

app/composables/useUserSession.ts

@@ -0,0 +1,38 @@
+import type { UserSession, UserSessionComposable } from '~/types/auth'
+
+const useSessionState = () => useState<UserSession>('nuxt-session', () => ({}))
+const useAuthReadyState = () => useState('nuxt-auth-ready', () => false)
+
+/**
+ * Composable to get back the user session and utils around it.
+ */
+export function useUserSession(): UserSessionComposable {
+  const sessionState = useSessionState()
+  const authReadyState = useAuthReadyState()
+  return {
+    ready: computed(() => authReadyState.value),
+    loggedIn: computed(() => Boolean(sessionState.value.user)),
+    user: computed(() => sessionState.value.user ?? null),
+    session: sessionState,
+    fetch,
+    clear,
+  }
+}
+
+async function fetch(): Promise<boolean> {
+  const authReadyState = useAuthReadyState()
+  const sessionState = useSessionState()
+  const loggedIn = Boolean(sessionState.value.user)
+  sessionState.value = await useRequestFetch()('/api/auth/session').catch(() => ({}))
+  if (!authReadyState.value)
+  {
+    authReadyState.value = true
+  }
+  return loggedIn !== Boolean(sessionState.value.user);
+}
+
+async function clear() {
+  await useRequestFetch()('/api/auth/session', { method: 'DELETE' })
+  useSessionState().value = {}
+  useRouter().go(0)
+}