import { RBAC } from 'react-role-access'

const rbacPolicies = {
  admin: ['write', 'read'],
  user: ['read'],
}

const rbac = new RBAC(rbacPolicies)

const isAdminWritePermitted = rbac.checkPermission('admin', 'write') // true
const isUserWritePermitted = rbac.checkPermission('user', 'write') // false

// Let's say that admin can't write more than 3 times
const adminWriteCount = 3
const isAdminWritePermitted = rbac.checkPermission('admin', 'write', adminWriteCount < 4) // false

// Adding new role
rbac.addRole('manager')
rbac.addPermissionToRole('manager', ['write', 'delete'])

// Define role hierarchy
const roleHierarchy = {
  admin: ['manager', 'user'],
  manager: ['user'],
}

const rbacWithHierarchy = new RBAC(rbacPolicies, roleHierarchy)
const isManagerWritePermitted = rbacWithHierarchy.checkPermission('manager', 'write') // false

// Adding roles to hierarchy dynamically
rbacWithHierarchy.addRole("editor")
rbacWithHierarchy.addRoleToHierarchy("editor", "user")
rbacWithHierarchy.checkPermission("editor", "read") // true

// You can't add cyclic relations to role hierarchy
const roleHierarchy = {
  admin: ["user"],
  user: ["admin"]
}

const rbacWithCyclicRoles = new RBAC(rbacPolicies, roleHierarchy) // will throw error

import React from 'react';
import { RBACProvider } from 'react-role-access';
import { rbac } from './path-to-your-rbac';

const App = () => {
  return (
    <RBACProvider rbac={rbac}>
      {/* Your app components */}
    </RBACProvider>
  );
};

import React from 'react';
import { useRBAC } from 'react-role-access';

const SomeComponent = () => {
  const rbac = useRBAC();
  return (
    // JSX of the component
  );
};

import { AccessControl, RBAC } from 'react-role-access'

const rbac = new RBAC(/* Define RBAC policies */)

// Render component based on permission
<AccessControl
  role="admin"
  permission="write"
  rbac={rbac}
  fallback={<UnauthorizedComponent />}
>
  <AuthorizedComponent />
</AccessControl>

import { ProtectedAnchor, RBAC } from 'react-role-access'


const rbac = new RBAC(/* Define RBAC policies */)

<ProtectedAnchor
  role="admin"
  permission="write"
  rbac={rbac}
  onUnauthorized={() => alert('Unauthorized')}
  href="/some-path"
>
  Navigate
</ProtectedAnchor>

import { ProtectedRoute, RBAC } from 'react-role-access'

const rbac = new RBAC(/* Define RBAC policies */)

<MemoryRouter initialEntries={['/protected']} initialIndex={0}>
  <Routes>
    <Route path="/unauthorized" element={<div>authorize</div>} />
    <Route
      path="/protected"
      element={
        <ProtectedRoute
          role="admin"
          permission="read"
          rbac={mockRbac}
          onUnauthorized={handleUnauthorized}
          redirectPath="/unauthorized"
        >
          test
        </ProtectedRoute>
      }
    />
  </Routes>
</MemoryRouter>

import { isAuthorized, RBAC } from 'react-role-access'

const rbac = new RBAC(/* Define RBAC policies */)

console.log(isAuthorized("user", "read", rbac)) // boolean