shorthand-property-names.jsx

const a = 'witaj'
const b = 42
const c = {d: [true, false]}
console.log({a, b, c})

// to jest to samo, co:
console.log({a: a, b: b, c: c})

// w Reactcie:
function Counter({initialCount, step}) {
  const [count, setCount] = useCounter({initialCount, step})
  return <button onClick={setCount}>{count}</button>
}