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Simplify expression

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This commit is contained in:
Dmitry Lyzo 2020-02-16 22:06:37 +03:00
parent 7a9fbb3edf
commit 07268df35a
1 changed files with 11 additions and 2 deletions
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13
src/components/scrollManager.js
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@ -158,11 +158,20 @@ define(["dom", "browser", "layoutManager"], function (dom, browser, layoutManage
*/
function getScrollableParent(element, vertical) {
if (element) {
var nameScroll = "scrollWidth";
var nameClient = "clientWidth";
var nameClass = "scrollX";
if (vertical) {
nameScroll = "scrollHeight";
nameClient = "clientHeight";
nameClass = "scrollY";
}
var parent = element.parentElement;
while (parent) {
if ((!vertical && parent.scrollWidth > parent.clientWidth && parent.classList.contains("scrollX")) ||
(vertical && parent.scrollHeight > parent.clientHeight && parent.classList.contains("scrollY"))) {
if (parent[nameScroll] > parent[nameClient] && parent.classList.contains(nameClass)) {
return parent;
}