react-query/examples/react/suspense/src/components/Button.tsx

import React from 'react'

import Spinner from './Spinner'

export default function Button({
  children,
  onClick,
}: {
  children: React.ReactNode
  onClick: any
}) {
  const [isPending, startTransition] = React.useTransition()

  const handleClick = (e: any) => {
    startTransition(() => {
      onClick(e)
    })
  }

  return (
    <>
      <button onClick={handleClick} disabled={isPending}>
        {children} {isPending ? <Spinner /> : null}
      </button>
    </>
  )
}