@exadel/esl/modules/esl-utils/dom/window.js

Exadel Smart Library (ESL) is the lightweight custom elements library that provide a set of super-flexible components

import { Rect } from './rect';
/**
 * Gets the window object associated with a document of the specified element.
 * @param node - element for which to get window
 * */
export function getWindow(node) {
    if (node === null)
        return window;
    if (node instanceof Window)
        return node;
    const ownerDocument = node.ownerDocument;
    return ownerDocument ? ownerDocument.defaultView || window : window;
}
/**
 * Gets the size and position of the window (size also accounts for the height of
 * the horizontal scrollbar and width of the vertical scrollbar, if they are visible).
 */
export function getWindowRect(wnd = window) {
    return Rect.from({
        x: wnd.scrollX,
        y: wnd.scrollY,
        width: wnd.innerWidth,
        height: wnd.innerHeight
    });
}
/**
 * Gets the size and position of the viewport (like window rect but excluding
 * the size of rendered scrollbars if any)
 */
export function getViewportRect(wnd = window) {
    return Rect.from({
        x: wnd.scrollX,
        y: wnd.scrollY,
        width: wnd.document.documentElement.clientWidth,
        height: wnd.document.documentElement.clientHeight
    });
}