react-dyn-tabs/lib/esm/plugins/moreButtonPlugin/button/popper/getPopperMaxHeight.js

React dynamic tabs with full API

/**
 *
 * @param {Object} btnEl
 * @param {Number} margin
 */
export default function (btnEl, margin) {
  var _btnEl$getBoundingCli = btnEl.getBoundingClientRect(),
    top = _btnEl$getBoundingCli.top,
    bottom = _btnEl$getBoundingCli.bottom;
  bottom = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0) - bottom;
  return Math.max(top, bottom) - margin;
}