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

A nodejs bindings implementation for selenium 2.0/webdriver

/**
 *
 * Retrieve a [cookie](https://w3c.github.io/webdriver/webdriver-spec.html#cookies)
 * visible to the current page. You can query a specific cookie by providing the cookie name or
 * retrieve all.
 *
 * <example>
    :getCookieAsync.js
    client
        .setCookie({name: 'test', value: '123'})
        .getCookie('test').then(function(cookie) {
            console.log(cookie); // outputs: { name: 'test', value: '123' }
        })
        .getCookie().then(function(cookies) {
            console.log(cookies); // outputs: [{ name: 'test', value: '123' }]
        });
 * </example>
 *
 * @alias browser.getCookie
 * @param {String=} name name of requested cookie
 * @returns {Object|null} requested cookie if existing
 * @uses protocol/cookie
 * @type cookie
 *
 */

let getCookie = function (name) {
    /*!
     * paramter check
     */
    if (typeof name !== 'string') {
        name = null
    }

    return this.cookie().then((res) => {
        res.value = res.value || []

        if (typeof name === 'string') {
            return res.value.filter((cookie) => cookie.name === name)[0] || null
        }

        return res.value || (typeof name === 'string' ? null : [])
    })
}

export default getCookie