From: Jo-Philipp Wich <jo@mein.io>
Date: Wed, 31 Jul 2019 05:55:15 +0000 (+0200)
Subject: luci-base: luci.js: add L.dom.isEmpty() helper
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=27e414646149876f71865622f0d5d5118231d0f7;p=project%2Fluci.git

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

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---

diff --git a/modules/luci-base/htdocs/luci-static/resources/luci.js b/modules/luci-base/htdocs/luci-static/resources/luci.js
index 259679f137..66f32d7223 100644
--- a/modules/luci-base/htdocs/luci-static/resources/luci.js
+++ b/modules/luci-base/htdocs/luci-static/resources/luci.js
@@ -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;
 			}
 		}),