Module: ActionView::Helpers::AssetTagHelper

Defined in:
lib/virtual_asset_path.rb

Instance Method Summary collapse

Instance Method Details

#rails_asset_id(*args) ⇒ Object

no longer needed <-> would conflict



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# File 'lib/virtual_asset_path.rb', line 63

def rails_asset_id(*args)
  nil
end

#rewrite_asset_path_with_virtual_folder(*args) ⇒ Object 



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# File 'lib/virtual_asset_path.rb', line 10

def rewrite_asset_path_with_virtual_folder(*args)
  asset_path = rewrite_asset_path_without_virtual_folder(*args)
  id = virtual_asset_folder(asset_path)
  if id.present?
    case VirtualAssetPath.style
    when :folder, nil then "/asset-v#{id}#{asset_path}"
    when :suffix
      suffix = "-asset-v#{id}"
      if asset_path.include?('.')
        asset_path.sub(/\.[^\.]*$/, "#{suffix}\\0")
      else
        "#{asset_path}#{suffix}"
      end
    when :query then "#{asset_path}?#{id}"
    end
  else
    asset_path
  end
end

#virtual_asset_folder(source) ⇒ Object 



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# File 'lib/virtual_asset_path.rb', line 31

def virtual_asset_folder(source)
  if asset_id = ENV["RAILS_ASSET_ID"]
    asset_id
  else
    if @@cache_asset_timestamps && (asset_id = @@asset_timestamps_cache[source])
      asset_id
    else
      path = File.join(ASSETS_DIR, source)
      asset_id = File.exist?(path) ? virtual_asset_folder_id(path) : ''

      if @@cache_asset_timestamps
        @@asset_timestamps_cache_guard.synchronize do
          @@asset_timestamps_cache[source] = asset_id
        end
      end

      asset_id
    end
  end
end

#virtual_asset_folder_id(path) ⇒ Object

overwrite to disable / use mtime ?



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# File 'lib/virtual_asset_path.rb', line 53

def virtual_asset_folder_id(path)
  case VirtualAssetPath.method
  when :MD5,nil then Digest::MD5.file(path).hexdigest[0..6]
  when :mtime then File.mtime(path).to_i.to_s
  else
    raise "unsupported hashing method"
  end
end