Function getScrollbarWidth

src/utils.js:4–16

()

// https://github.com/twbs/bootstrap/blob/v4.0.0-alpha.4/js/src/modal.js#L436-L443
export function getScrollbarWidth() {
  let scrollDiv = document.createElement('div');
  // .modal-scrollbar-measure styles // https://github.com/twbs/bootstrap/blob/v4.0.0-alpha.4/scss/_modal.scss#L106-L113
  scrollDiv.style.position = 'absolute';
  scrollDiv.style.top = '-9999px';
  scrollDiv.style.width = '50px';
  scrollDiv.style.height = '50px';
  scrollDiv.style.overflow = 'scroll';
  document.body.appendChild(scrollDiv);
  const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
  document.body.removeChild(scrollDiv);
  return scrollbarWidth;
}

export function setScrollbarWidth(padding) {
  document.body.style.paddingRight = padding > 0 ? `${padding}px` : null;