@mantine/core/cjs/components/ScrollArea/utils/get-thumb-offset-from-scroll.cjs

React components library focused on usability, accessibility and developer experience

'use client';
'use strict';

var getThumbSize = require('./get-thumb-size.cjs');
var linearScale = require('./linear-scale.cjs');

function clamp(value, [min, max]) {
  return Math.min(max, Math.max(min, value));
}
function getThumbOffsetFromScroll(scrollPos, sizes, dir = "ltr") {
  const thumbSizePx = getThumbSize.getThumbSize(sizes);
  const scrollbarPadding = sizes.scrollbar.paddingStart + sizes.scrollbar.paddingEnd;
  const scrollbar = sizes.scrollbar.size - scrollbarPadding;
  const maxScrollPos = sizes.content - sizes.viewport;
  const maxThumbPos = scrollbar - thumbSizePx;
  const scrollClampRange = dir === "ltr" ? [0, maxScrollPos] : [maxScrollPos * -1, 0];
  const scrollWithoutMomentum = clamp(scrollPos, scrollClampRange);
  const interpolate = linearScale.linearScale([0, maxScrollPos], [0, maxThumbPos]);
  return interpolate(scrollWithoutMomentum);
}

exports.getThumbOffsetFromScroll = getThumbOffsetFromScroll;
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