text: import styled from 'styled-components'
  
  function getHeight({ axis, size }) {
    return axis === 'horizontal' ? 1 : size
  }
  
  function getWidth({ axis, size }) {
    return axis === 'vertical' ? 1 : size
  }
  
  function getUnit({ unit }) {
    return unit === undefined ? 'px' : unit
  }
  
  const Spacer = styled.span`
    display: block;
    width: ${getWidth}${getUnit};
    min-width: ${getWidth}${getUnit};
    height: ${getHeight}${getUnit};
    min-height: ${getHeight}${getUnit};
  `
  export default Spacer
  