add js script using a controller

appinfo/app.php

@@ -24,6 +24,11 @@ use OCP\Util;
 
 $config = \OC::$server->getConfig();
 $cspnm = \OC::$server->getContentSecurityPolicyNonceManager();
+
+
+Util::addScript('side_menu', 'sideMenu');
+Util::addStyle('side_menu', 'sideMenu');
+
 $stylesheet = \OC::$server->getURLGenerator()->linkToRoute(
     'side_menu.Css.stylesheet',
     [
@@ -31,6 +36,13 @@ $stylesheet = \OC::$server->getURLGenerator()->linkToRoute(
     ]
 );
 
+$script = \OC::$server->getURLGenerator()->linkToRoute(
+    'side_menu.Js.script',
+    [
+        'v' => $config->getAppValue('side_menu', 'cache', '0'),
+    ]
+);
+
 Util::addHeader(
     'link',
     [
@@ -40,13 +52,11 @@ Util::addHeader(
     ''
 );
 
-Util::addScript('side_menu', 'main');
-Util::addScript('side_menu', 'sideMenu');
-Util::addStyle('side_menu', 'sideMenu');
-// whitelist the URL to allow loading JS from this external domain
-// $CSPManager = \OC::$server->getContentSecurityPolicyManager();
-// $policy = new ContentSecurityPolicy();
-// $policy->addAllowedScriptDomain($url);
-// $policy->addAllowedImageDomain($url);
-// $policy->addAllowedConnectDomain($url);
-// $CSPManager->addDefaultPolicy($policy);
+Util::addHeader(
+    'script',
+    [
+        'src' => $script,
+		'nonce' => $cspnm->getNonce(),
+    ],
+    ''
+);

appinfo/routes.php

@@ -20,5 +20,6 @@
 return [
     'routes' => [
 		['name' => 'Css#stylesheet', 'url' => '/css/stylesheet.css', 'verb' => 'GET'],
+		['name' => 'Js#script', 'url' => '/js/script.js', 'verb' => 'GET'],
     ],
 ];