Add filemethod

index.php

@@ -2,6 +2,14 @@
 
 require __DIR__ . DS . "src" . DS . "Fingerprint.php";
 
+Kirby::plugin('bvdputte/fingerprint', [
+    'fileMethods' => [
+        'fingerprint' => function () {
+            return bvdputte\Fingerprint::addHash($this->root());
+        }
+    ]
+]);
+
 /*
     A little Kirby helper functions
 */
@@ -16,4 +24,10 @@ function jsfingerprint($url, $options = null)
     {
         return bvdputte\Fingerprint::js($url, $options = null);
     }
+}
+if (! function_exists("fingerprint")) {
+    function fingerprint($path)
+    {
+        return bvdputte\Fingerprint::addHash($path);
+    }
 }

readme.md

@@ -9,6 +9,7 @@ When the files are updated, new hashes are added to the filenames automatically;
 
 - unzip [master.zip](https://github.com/bvdputte/kirby-fingerprint/archive/master.zip) as folder `site/plugins/kirby-fingerprint` or
 - `git submodule add https://github.com/bvdputte/kirby-fingerprint.git site/plugins/kirby-fingerprint`
+- `composer require bvdputte/kirby-fingerprint`
 
 💡 Add the following to your `.htaccess` file:
 
@@ -28,6 +29,17 @@ jsfingerprint("assets/scripts.js");
 // Output: <script src="//localhost:3000/assets/js/scripts.1e9dd0c95e7b12ce96729501c7585deb.js"></script>
 ```
 
+You can also use this on a `path` or `$file` objects:
+
+```php
+echo fingerprint($page->some_imagefield()->toFile()->root());
+// Output: /var/www/mysite/content/home/testimage.0d859e73e897635c53e59407be9b32aa.jpg
+echo $page->some_imagefield()->toFile()->fingerprint();
+// Output: /var/www/mysite/content/home/testimage.0d859e73e897635c53e59407be9b32aa.jpg
+```
+
+💡 Always test if the file exists first!
+
 ## Advanced features
 
 For more advanced features, such as subresource integrity, please checkout [bnomei's kirby3-fingerprint plugin](https://github.com/bnomei/kirby3-fingerprint).