popperjs/package/lib/dom-utils/getWindowScrollBarX.js


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import getBoundingClientRect from "./getBoundingClientRect.js";
import getDocumentElement from "./getDocumentElement.js";
import getWindowScroll from "./getWindowScroll.js";
export default function getWindowScrollBarX(element) {
  // If <html> has a CSS width greater than the viewport, then this will be
  // incorrect for RTL.
  // Popper 1 is broken in this case and never had a bug report so let's assume
  // it's not an issue. I don't think anyone ever specifies width on <html>
  // anyway.
  // Browsers where the left scrollbar doesn't cause an issue report `0` for
  // this (e.g. Edge 2019, IE11, Safari)
  return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;
}