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