class Sprockets::Manifest

"jquery.js" => "jquery-ae0908555a245f8266f77df5a8edca2e.js" }
{ "application.js" => "application-2e8e9a7c6b0aafa0c9bdeec90ea30213.js",

Logical path (String): Fingerprint path (String)

map to the latest fingerprinted filename.
Returns internal assets mapping. Keys are logical paths which

def assets
  @data['assets'] ||= {}
end