Files F95171015

scrollTo.js
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Created: Fri, Dec 13, 10:34

scrollTo.js
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	/* eslint-disable no-nested-ternary */
	import { cancel, request } from './animationFrame';
	import height from './height';
	import getWindow from './isWindow';
	import getOffset from './offset';
	import getScrollParent from './scrollParent';
	import scrollTop from './scrollTop';
	export default function scrollTo(selected, scrollParent) {
	var offset = getOffset(selected);
	var poff = {
	top: 0,
	left: 0
	};
	if (!selected) return undefined;
	var list = scrollParent \|\| getScrollParent(selected);
	var isWin = getWindow(list);
	var listScrollTop = scrollTop(list);
	var listHeight = height(list, true);
	if (!isWin) poff = getOffset(list);
	offset = {
	top: offset.top - poff.top,
	left: offset.left - poff.left,
	height: offset.height,
	width: offset.width
	};
	var selectedHeight = offset.height;
	var selectedTop = offset.top + (isWin ? 0 : listScrollTop);
	var bottom = selectedTop + selectedHeight;
	listScrollTop = listScrollTop > selectedTop ? selectedTop : bottom > listScrollTop + listHeight ? bottom - listHeight : listScrollTop;
	var id = request(function () {
	return scrollTop(list, listScrollTop);
	});
	return function () {
	return cancel(id);
	};
	}

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