import { useState } from 'react'; import { Stepper, Button, Group } from '@mantine/core'; export default function RegistrationTimeline() { const [active, setActive] = useState(1); const nextStep = () => setActive((current) => (current < 3 ? current + 1 : current)); const prevStep = () => setActive((current) => (current > 0 ? current - 1 : current)); return ( <> {/* */} Completed, click back button to get to previous step {/* */} ); }