module Sprockets::Caching

def asset_from_hash(hash)
  return unless hash.is_a?(Hash)
  case hash['class']
  when 'BundledAsset'
    BundledAsset.from_hash(self, hash)
  when 'StaticAsset'
    StaticAsset.from_hash(self, hash)
  else
    nil
  end
rescue Exception => e
  logger.debug "Cache for Asset (#{hash['logical_path']}) is stale"
  logger.debug e
  nil
end