tabs: do not open tabs by default

lib/tabs.js

@@ -8,12 +8,17 @@ define([], function () {
     var container = document.createElement("div")
 
     function gotoTab(li) {
+      var visible = li.classList.contains("visible")
+
       for (var i = 0; i < tabs.children.length; i++)
         tabs.children[i].classList.remove("visible")
 
       while (container.firstChild)
         container.removeChild(container.firstChild)
 
+      if (visible)
+        return
+
       li.classList.add("visible")
 
       var tab = document.createElement("div")
@@ -34,17 +39,6 @@ define([], function () {
       li.onclick = switchTab
       li.child = d
       tabs.appendChild(li)
-
-      var anyVisible = false
-
-      for (var i = 0; i < tabs.children.length; i++)
-        if (tabs.children[i].classList.contains("visible")) {
-          anyVisible = true
-          break
-        }
-
-      if (!anyVisible)
-        gotoTab(li)
     }
 
     self.render = function (el) {