Overwrites Current Link block to fit bootstrap markup

View/Element/Html/Link/Current.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Webgriffe\BootstrapMenu\View\Element\Html\Link;
+
+class Current extends \Magento\Framework\View\Element\Html\Link\Current
+{
+    protected function _toHtml()
+    {
+        if (false != $this->getTemplate()) {
+            return parent::_toHtml();
+        }
+
+        $highlight = '';
+
+        if ($this->getIsHighlighted() || $this->isCurrent()) {
+            $highlight = ' active';
+        }
+
+        $html = '<li class="nav item' . $highlight . '"><a href="' . $this->escapeHtml($this->getHref()) . '"';
+        $html .= $this->getTitle()
+            ? ' title="' . $this->escapeHtml((string)new \Magento\Framework\Phrase($this->getTitle())) . '"'
+            : '';
+        $html .= $this->getAttributesHtml() . '>';
+
+        if ($this->getIsHighlighted()) {
+            $html .= '<strong>';
+        }
+
+        $html .= $this->escapeHtml((string)new \Magento\Framework\Phrase($this->getLabel()));
+
+        if ($this->getIsHighlighted()) {
+            $html .= '</strong>';
+        }
+
+        $html .= '</a></li>';
+
+        return $html;
+    }
+}

etc/di.xml

@@ -2,4 +2,5 @@
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <preference for="Magento\Theme\Block\Html\Topmenu" type="Webgriffe\BootstrapMenu\Block\Html\Topmenu" />
+    <preference for="Magento\Framework\View\Element\Html\Link\Current" type="Webgriffe\BootstrapMenu\View\Element\Html\Link\Current" />
 </config>