Merge pull request #3248 from alphagov/tab-click-target

Tweak tab clicks to use `event.currentTarget`

src/govuk/components/tabs/tabs.mjs

@@ -260,21 +260,16 @@ Tabs.prototype.unsetAttributes = function ($tab) {
  * Handle tab link clicks
  *
  * @param {MouseEvent} event - Mouse click event
- * @returns {void | false} Returns void, or false within tab link
+ * @returns {void} Returns void
  */
 Tabs.prototype.onTabClick = function (event) {
   var $currentTab = this.getCurrentTab()
-  var $nextTab = event.target
+  var $nextTab = event.currentTarget
 
   if (!$currentTab || !$nextTab) {
     return
   }
 
-  // Allow events on child DOM elements to bubble up to tab parent
-  if (!$nextTab.classList.contains('govuk-tabs__tab')) {
-    return false
-  }
-
   event.preventDefault()
 
   this.hideTab($currentTab)