Remove dependency on actionpack in ActionView::AssetPaths

Since Action View should not depend on actionpack, it's best to delegate
invalid_asset_host! to controller and just rely on such simple contract
instead of raising ActionController::RoutingError directly.

1 files changed, 15 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/metal/asset_paths.rb b/actionpack/lib/action_controller/metal/asset_paths.rb
new file mode 100644
index 0000000000..5165814dfe
--- /dev/null
+++ b/actionpack/lib/action_controller/metal/asset_paths.rb
@@ -0,0 +1,15 @@
+require 'action_controller/metal/exceptions'
+
+module ActionController
+  module AssetPaths
+    extend ActiveSupport::Concern
+
+    included do
+      include AbstractController::AssetPaths
+    end
+
+    def invalid_asset_host!(help_message)
+      raise ActionController::RoutingError, "This asset host cannot be computed without a request in scope. #{help_message}"
+    end
+  end
+end