u-fit/frontend/pages/user.tsx

import User from '../components/user/user'

interface Gogo {
  g: string
  h: number
}

let gg: Gogo = { g: 'hello', h: 45 }

function letsGogo(anyGogo?: Gogo): void {
  console.log(anyGogo)
  return
}

letsGogo(gg)
letsGogo({ g: '12', h: 12 })

const myObj = { className: 'bongers' }

const UserPage = (props?: Gogo) => (
  <>
    <h1 {...myObj}>TypeScript User</h1>
    <User />
  </>
)

export default UserPage