text: export function themable(node, { options, current }) {
  	let data = { options, current }
  
  	function toggle() {
  		const previous = data.current
  		data.current = (data.current + 1) % data.options.length
  
  		document.body.classList.remove(data.options[previous])
  		document.body.classList.add(data.options[data.current])
  	}
  
  	node.addEventListener('change', toggle)
  
  	return {
  		destroy() {
  			node.removeEventListener('change', toggle)
  		}
  	}
  }
  