in src/components/UncontrolledTabs.js [323:339]
function handleClick(e) {
let node = e.target;
do {
if (isTabFromContainer(node)) {
if (isTabDisabled(node)) {
return;
}
const index = [].slice
.call(node.parentNode.children)
.filter(isTabNode)
.indexOf(node);
setSelected(index, e);
return;
}
} while ((node = node.parentNode) != null);
}