(function () {
    [].forEach.call(document.querySelectorAll('img'), function (image) {
        if (image.parentNode.tagName == 'NOSCRIPT') {
            let _img = new Image();

            _img.setAttribute('sizes', image.getAttribute('sizes') || '100vw');

            if (image.getAttribute('class')) {
                _img.setAttribute('class', image.getAttribute('class'));
            }

            if (image.getAttribute('alt')) {
                _img.setAttribute('alt', image.getAttribute('alt'));
            }

            if (image.getAttribute('title')) {
                _img.setAttribute('title', image.getAttribute('title'));
            }

            _img.setAttribute('cld-src', image.getAttribute('cld-src'));

            // insert new image before NOSCRIPT tag
            image.parentNode.parentNode.insertBefore(_img, image.parentNode);

            // remove NOSCRIPT tag
            image.parentNode.remove();

            image = _img;
        }

        if (image.getAttribute('cld-src')) {
            image.setAttribute('data-src', image.getAttribute('cld-src').replace('dpr_auto', 'dpr_' + window.DPR));
            image.removeAttribute('cld-src');
        }

        if (! /lazy/.test(image.getAttribute('class'))) {
            image.setAttribute('src', image.getAttribute('data-src'));
            image.removeAttribute('data-src');
        }
    });
})();