Outsourcing helper function

Author: S1SYPHOS

kirby-sri.php

@@ -10,23 +10,17 @@
  * @license   MIT
  */
 
-if(!c::get('plugin.kirby-sri')) return;
+if (c::get('plugin.kirby-sri', false)) {
+    // Loading SRI helper function
+    require_once __DIR__ . DS . 'utility' . DS . 'helper.php';
 
-// Helper function generating base64-encoded SRI hashes
-function sri_checksum($input) {
-  $algorithm = c::get('plugin.kirby-sri.algorithm', 'sha512');
-  $hash = hash($algorithm, $input, true);
-  $hash_base64 = base64_encode($hash);
+    // Loading core
+    load([
+      'kirby\\plugins\\sri\\css' => __DIR__ . DS . 'core' . DS . 'css.php',
+      'kirby\\plugins\\sri\\js'  => __DIR__ . DS . 'core' . DS . 'js.php'
+    ]);
 
-  return "$algorithm-$hash_base64";
+    // Registering with Kirby's extension registry
+    kirby()->set('component', 'css', 'Kirby\Plugins\\SRI\\CSS');
+    kirby()->set('component', 'js', 'Kirby\Plugins\\SRI\\JS');
 }
-
-// Loading core
-load([
-  'kirby\\plugins\\sri\\css' => __DIR__ . DS . 'core' . DS . 'css.php',
-  'kirby\\plugins\\sri\\js'  => __DIR__ . DS . 'core' . DS . 'js.php'
-]);
-
-// Registering with Kirby's extension registry
-kirby()->set('component', 'css', 'Kirby\Plugins\\SRI\\CSS');
-kirby()->set('component', 'js',  'Kirby\Plugins\\SRI\\JS');

utility/helper.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Kirby\Plugins\SRI;
+
+use c;
+
+// Helper function generating base64-encoded SRI hashes
+function sri_checksum($input)
+{
+    $algorithm = c::get('plugin.kirby-sri.algorithm', 'sha512');
+    $hash = hash($algorithm, $input, true);
+    $hash_base64 = base64_encode($hash);
+
+    return "$algorithm-$hash_base64";
+}