wip:milestone 0 fixes

control-plane-ui/node_modules/dom-helpers/esm/toggleClass.js

@@ -0,0 +1,13 @@
+import addClass from './addClass';
+import hasClass from './hasClass';
+import removeClass from './removeClass';
+/**
+ * Toggles a CSS class on a given element.
+ * 
+ * @param element the element
+ * @param className the CSS class name
+ */
+
+export default function toggleClass(element, className) {
+  if (element.classList) element.classList.toggle(className);else if (hasClass(element, className)) removeClass(element, className);else addClass(element, className);
+}