export const NodeListWalker = {

    *walk(list: NodeList) {

        const stack = [];
        for (let index = 0; index < list.length; index++) {
            const element = list[index];
            yield element;
            stack.push(element);
        }

        while(stack.length) {
            const e = stack.pop();
            let start = e.firstElementChild as HTMLElement;
            yield e;
            while (start) {
                stack.push(start);
                start = start.nextElementSibling as HTMLElement;
            }
        }
    }

};