@wezom/zz-load/dist/utils/get-elements.js

Lazy loader based on IntersectionObserver API

var isJQuery = function (element) {
	return !!(element && element.jquery);
};
export default function (element) {
	if (element instanceof Element) {
		return [element];
	} else if (isJQuery(element)) {
		return element.toArray().filter(function (element) {
			return element instanceof Element;
		});
	} else {
		var nodeList =
			typeof element === 'string' ? document.querySelectorAll(element) : element;
		return Array.from(nodeList).filter(function (node) {
			return node instanceof Element;
		});
	}
}