export const getScrollParent = function(element) {
    var parent = element.parentNode;
    if (!parent) {
        return element;
    }
    if (parent === document) {
        if (document.body.scrollTop !== undefined) {
            return document.body;
        } else {
            return document.documentElement;
        }
    }
    if (
        ['scroll', 'auto'].indexOf(
            getStyleComputedProperty(parent, 'overflow')
        ) !== -1 ||
        ['scroll', 'auto'].indexOf(
            getStyleComputedProperty(parent, 'overflow-x')
        ) !== -1 ||
        ['scroll', 'auto'].indexOf(
            getStyleComputedProperty(parent, 'overflow-y')
        ) !== -1
    ) {
        return parent;
    }
    return getScrollParent(element.parentNode);
};
export const getStyleComputedProperty = function(element, property) {
    var css = window.getComputedStyle(element, null);
    return css[property];
};