@christian-bromann/webdriverio/lib/commands/hasFocus.js

A nodejs bindings implementation for selenium 2.0/webdriver

/**
 *
 * Return true or false if the selected DOM-element currently has focus.
 *
 * <example>
    :index.html
    <input name="login" autofocus="" />

    :hasFocus.js
    client.hasFocus('[name="login"]');
 * </example>
 *
 * @alias browser.hasFocus
 * @param {String} selector   select active element
 * @returns {Boolean}         true if element has focus
 * @uses protocol/execute
 * @type state
 *
 */

let hasFocus = function (selector) {
    let result = this.execute(function (selector) {
        var focused = document.activeElement

        if (!focused || focused === document.body) {
            return false
        } else if (document.querySelector) {
            return focused === document.querySelector(selector)
        }

        return false
    }, selector)

    return result.then(result => result.value)
}

export default hasFocus