Function getScrollBarWidth

src/table/utils.js:9–28

()

let scrollBarWidth: ?number;

export function getScrollBarWidth(): ?number {
  if (scrollBarWidth !== undefined) return scrollBarWidth;
  const dom = _document.createElement('div');
  const body = _document.body || dom;

  dom.style.visibility = 'hidden';
  dom.style.width = '100px';
  dom.style.position = 'absolute';
  dom.style.top = '-9999px';
  dom.style.overflow = 'scroll';

  body.appendChild(dom);

  const totalWidth = dom.offsetWidth;
  const widthWithoutScroll = dom.clientWidth;

  body.removeChild(dom);

  return totalWidth - widthWithoutScroll;
}

export function getValueByPath(data: Object, path: ?string): any {
  if (typeof path !== 'string') return null;