ckeditor/ckeditor5-utils

/**
 * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

/**
 * @module utils/dom/iswindow
 */

/**
 * Checks if the object is a native DOM Window.
 *
 * @param {*} obj
 * @returns {Boolean}
 */
export default function isWindow( obj ) {
    const stringifiedObject = Object.prototype.toString.apply( obj );

    // Returns `true` for the `window` object in browser environments.
    if ( stringifiedObject == '[object Window]' ) {
        return true;
    }

    // Returns `true` for the `window` object in the Electron environment.
    if ( stringifiedObject == '[object global]' ) {
        return true;
    }

    return false;
}