text: const isElementInViewport = el => {
    const rect = el.getBoundingClientRect()
  
    return (
      rect.top >= 0 &&
          rect.left >= 0 &&
          rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
          rect.right <= (window.innerWidth || document.documentElement.clientWidth)
    )
  }
  
  export default isElementInViewport
  