Key Rewriter

Author: moonglum

lib/faucet_pipeline_rails/manifest.rb

@@ -5,9 +5,9 @@ class Manifest
     include Singleton
 
     def fetch(asset_name)
-      manifest.fetch(asset_name)
+      manifest.fetch(key_rewriter[asset_name])
     rescue KeyError
-      raise "The asset '#{asset_name}' was not in the manifest"
+      raise "The asset '#{key_rewriter[asset_name]}' was not in the manifest"
     end
 
     private
@@ -32,5 +32,9 @@ def unparsed_manifest
     def manifest_path
       Rails.configuration.faucet_pipeline.manifest_path
     end
+
+    def key_rewriter
+      Rails.configuration.faucet_pipeline.key_rewriter
+    end
   end
 end

lib/faucet_pipeline_rails/railtie.rb

@@ -20,6 +20,7 @@ class Railtie < Rails::Railtie
 
     initializer "faucet_pipeline.configure_manifest_path" do |app|
       app.config.faucet_pipeline.manifest_path ||= app.root.join("public", "assets", "manifest.json")
+      app.config.faucet_pipeline.key_rewriter ||= ->(key) { key }
     end
 
     rake_tasks do