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Contents?: true
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Versions: 104
Compression:
Stored size: 1.71 KB
Contents
/**
* Return the scroll position of scrollable elements
*/
function getScroll(elm) {
const style = window.getComputedStyle(elm);
const visibleOverflowY = style.getPropertyValue('overflow-y') === 'visible';
const visibleOverflowX = style.getPropertyValue('overflow-x') === 'visible';
if (
// See if the element hides overflowing content
(!visibleOverflowY && elm.scrollHeight > elm.clientHeight) ||
(!visibleOverflowX && elm.scrollWidth > elm.clientWidth)
) {
return { elm, top: elm.scrollTop, left: elm.scrollLeft };
}
}
/**
* set the scroll position of an element
*/
function setScroll(elm, top, left) {
if (elm === window) {
return elm.scroll(top, left);
} else {
elm.scrollTop = top;
elm.scrollLeft = left;
}
}
/**
* Create an array scroll positions from descending elements
*/
function getElmScrollRecursive(root) {
return Array.from(root.children).reduce((scrolls, elm) => {
const scroll = getScroll(elm);
if (scroll) {
scrolls.push(scroll);
}
return scrolls.concat(getElmScrollRecursive(elm));
}, []);
}
/**
* Get the scroll position of all scrollable elements in a page
*/
axe.utils.getScrollState = function getScrollState(win = window) {
const root = win.document.documentElement;
const windowScroll = [
win.pageXOffset !== undefined
? {
elm: win,
top: win.pageYOffset,
left: win.pageXOffset
}
: {
elm: root,
top: root.scrollTop,
left: root.scrollLeft
}
];
return windowScroll.concat(getElmScrollRecursive(document.body));
};
/**
* set the scroll position of all items in the scrollState array
*/
axe.utils.setScrollState = function setScrollState(scrollState) {
scrollState.forEach(({ elm, top, left }) => setScroll(elm, top, left));
};
Version data entries
104 entries across 104 versions & 1 rubygems