Merge pull request #100 from alexeyschepin/feat/compatibility-with-ol…

…der-ruby-versions

Avoid using ruby 3.1 methods to keep gem compatible with older ruby versions

lib/active_material/font_loader.rb

@@ -3,10 +3,24 @@ module FontLoader
     def build_active_admin_head
       within super do
         uri = URI.parse(ActiveMaterial::Rails::Engine.config.active_material.font_url)
-        link(rel: "preconnect", href: uri.origin)
-        link(rel: "preconnect", href: uri.origin, crossorigin: true)
+        origin = extract_origin(uri)
+
+        link(rel: "preconnect", href: origin)
+        link(rel: "preconnect", href: origin, crossorigin: true)
         link(rel: "stylesheet", href: uri.to_s)
       end
     end
+
+    private
+
+    def extract_origin(uri)
+      origin = "#{uri.scheme}://#{uri.host}"
+      origin += ":#{uri.port}" if uri.port && !default_port?(uri)
+      origin
+    end
+
+    def default_port?(uri)
+      (uri.scheme == 'http' && uri.port == 80) || (uri.scheme == 'https' && uri.port == 443)
+    end
   end
 end