moveToObject = function (selector, xoffset, yoffset) {
    /**
     * check for offset params
     */
    var hasOffsetParams = true
    if (typeof xoffset !== 'number' && typeof yoffset !== 'number') {
        hasOffsetParams = false
    }

    if (this.isMobile) {
        return this.element(selector).then((res) => {
            /**
             * check if element was found and throw error if not
             */
            if (!res.value) {
                throw new RuntimeError(7)
            }

            return this.elementIdSize(res.value.ELEMENT).then((size) =>
                this.elementIdLocation(res.value.ELEMENT).then((location) => {
                    return { size, location }
                })
            )
        }).then((res) => {
            let x = res.location.value.x + (res.size.value.width / 2)
            let y = res.location.value.y + (res.size.value.height / 2)

            if (hasOffsetParams) {
                x = res.location.value.x + xoffset
                y = res.location.value.y + yoffset
            }

            return this.touchMove(x, y)
        })
    }

    return this.element(selector).then((res) => {
        /**
         * check if element was found and throw error if not
         */
        if (!res.value) {
            throw new RuntimeError(7)
        }

        return this.moveTo(res.value.ELEMENT, xoffset, yoffset)
    })
}
Move the mouse by an offset of the specified element. If an element is provided but no
offset, the mouse will be moved to the center of the element. If the element is not
visible, it will be scrolled into view.

@alias browser.moveToObject
@param {String} selector element to move to
@param {Number} xoffset  X offset to move to, relative to the top-left corner of the element. If not specified, the mouse will move to the middle of the element.
@param {Number} yoffset  Y offset to move to, relative to the top-left corner of the element. If not specified, the mouse will move to the middle of the element.
@uses protocol/element, protocol/elementIdLocation
@type action