luci-base: luci.js: add L.dom.isEmpty() helper

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2019-07-31 07:55:15 +02:00
parent 360e9769d6
commit 27e4146461

View file

@ -1188,6 +1188,14 @@
return null;
return inst[method].apply(inst, inst.varargs(arguments, 2));
},
isEmpty: function(node) {
for (var child = node.firstElementChild; child != null; child = child.nextElementSibling)
if (!child.classList.contains('hidden'))
return false;
return true;
}
}),