Function getScrollbarWidth

js/utils.js:131–145

()

}

export function getScrollbarWidth() {
  const outer = document.createElement("div");
  outer.style.visibility = "hidden";
  outer.style.width = "100px";
  outer.style.msOverflowStyle = "scrollbar"; // needed for WinJS apps
  document.body.appendChild(outer);
  const widthNoScroll = outer.offsetWidth;
  outer.style.overflow = "scroll";
  const inner = document.createElement("div");
  inner.style.width = "100%";
  outer.appendChild(inner);
  const widthWithScroll = inner.offsetWidth;
  outer.parentNode.removeChild(outer);
  return widthNoScroll - widthWithScroll;
}

export function imgToDataURL(url, callback, failedCb) {
  const xhr = new XMLHttpRequest();