let canVGrowWithinCell: boolean export function getCanVGrowWithinCell() { if (canVGrowWithinCell == null) { canVGrowWithinCell = computeCanVGrowWithinCell() } return canVGrowWithinCell } function computeCanVGrowWithinCell() { // for SSR, because this function is call immediately at top-level // TODO: just make this logic execute top-level, immediately, instead of doing lazily if (typeof document === 'undefined') { return true } let el = document.createElement('div') el.style.position = 'absolute' el.style.top = '0px' el.style.left = '0px' el.innerHTML = '
' el.querySelector('table').style.height = '100px' el.querySelector('div').style.height = '100%' document.body.appendChild(el) let div = el.querySelector('div') let possible = div.offsetHeight > 0 document.body.removeChild(el) return possible }