mise a jour

frontend/src/context/AuthContext.jsx

@@ -0,0 +1,31 @@
+import { createContext, useContext, useState } from 'react'
+
+const AuthContext = createContext(null)
+
+export function AuthProvider({ children }) {
+  const [user, setUser] = useState(() =>
+    JSON.parse(localStorage.getItem('user') || 'null')
+  )
+
+  function login(userData, token) {
+    localStorage.setItem('token', token)
+    localStorage.setItem('user', JSON.stringify(userData))
+    setUser(userData)
+  }
+
+  function logout() {
+    localStorage.removeItem('token')
+    localStorage.removeItem('user')
+    setUser(null)
+  }
+
+  return (
+    <AuthContext.Provider value={{ user, login, logout }}>
+      {children}
+    </AuthContext.Provider>
+  )
+}
+
+export function useAuth() {
+  return useContext(AuthContext)
+}