src/elements/Reveal/Reveal.js
function Reveal(props) {
  const { active, animated, children, className, content, disabled, instant } = props

  const classes = cx(
    'ui',
    animated,
    useKeyOnly(active, 'active'),
    useKeyOnly(disabled, 'disabled'),
    useKeyOnly(instant, 'instant'),
    'reveal',
    className,
  )
  const rest = getUnhandledProps(Reveal, props)
  const ElementType = getElementType(Reveal, props)

  return (
    <ElementType {...rest} className={classes}>
      {childrenUtils.isNil(children) ? content : children}
    </ElementType>
  )
}
function Reveal(props) {
  const { active, animated, children, className, content, disabled, instant } = props

  const classes = cx(
    'ui',
    animated,
    useKeyOnly(active, 'active'),
    useKeyOnly(disabled, 'disabled'),
    useKeyOnly(instant, 'instant'),
    'reveal',
    className,
  )
  const rest = getUnhandledProps(Reveal, props)
  const ElementType = getElementType(Reveal, props)

  return (
    <ElementType {...rest} className={classes}>
      {childrenUtils.isNil(children) ? content : children}
    </ElementType>
  )
}
A reveal displays additional content in place of previous content when activated.