Split js into separate files

action.php

@@ -0,0 +1,43 @@
+<?php
+
+use dokuwiki\Extension\ActionPlugin;
+use dokuwiki\Extension\Event;
+use dokuwiki\Extension\EventHandler;
+
+/**
+ * luxtools action plugin: register JS assets.
+ */
+class action_plugin_luxtools extends ActionPlugin
+{
+    /** @inheritdoc */
+    public function register(EventHandler $controller)
+    {
+        $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'addScripts');
+    }
+
+    /**
+     * Add plugin JavaScript files in a deterministic order.
+     *
+    * @param Event $event
+     * @param mixed $param
+     * @return void
+     */
+        public function addScripts(Event $event, $param)
+    {
+        $base = DOKU_BASE . 'lib/plugins/luxtools/js/';
+        $scripts = array(
+            'lightbox.js',
+            'gallery-thumbnails.js',
+            'open-service.js',
+            'scratchpads.js',
+            'main.js'
+        );
+
+        foreach ($scripts as $script) {
+            $event->data['script'][] = array(
+                'type' => 'text/javascript',
+                'src' => $base . $script
+            );
+        }
+    }
+}