CategoryOverpass: toggle visibility of sub lists

src/CategoryOverpass.js

@@ -253,7 +253,7 @@ CategoryOverpass.prototype.open = function () {
         this.lists.push(list)
 
         let dom = document.createElement('div')
-        dom.className = 'category category-list open'
+        dom.className = 'category category-list'
         this.listsDom.push(dom)
         wrapper.appendChild(dom)
 
@@ -278,6 +278,11 @@ CategoryOverpass.prototype.open = function () {
         a.href = '#'
         domHeader.appendChild(a)
 
+        a.onclick = () => {
+          dom.classList.toggle('open')
+          return false
+        }
+
         let domContent = document.createElement('div')
         domContent.className = 'content'
         dom.appendChild(domContent)

src/category.css

@@ -8,8 +8,7 @@
   font-size: 15px;
   display: none;
 }
-.category.loading > .loadingIndicator,
-.category.loading > .content > .categoryWrapper > .category-list > .loadingIndicator {
+.category.loading > .loadingIndicator {
   padding-top: 2px;
   display: block;
 }