{
const element = html`<div>This is <span>some</span> text.</div>`
const range = document.createRange()
range.selectNodeContents(element)
console.log(div.firstChild)
const startOffset = 8
range.setStart(div.firstChild, startOffset)
range.setEnd(div.firstChild, startOffset + 1)
console.log(range)
const rect = range.getBoundingClientRect();
return [rect.left, rect.top]
}