in static/assets/js/bootstrap.bundle.js [196:217]
findShadowRoot: function findShadowRoot(element) {
if (!document.documentElement.attachShadow) {
return null;
} // Can find the shadow root otherwise it'll return the document
if (typeof element.getRootNode === 'function') {
var root = element.getRootNode();
return root instanceof ShadowRoot ? root : null;
}
if (element instanceof ShadowRoot) {
return element;
} // when we don't find a shadow root
if (!element.parentNode) {
return null;
}
return Util.findShadowRoot(element.parentNode);
}