Module: Sprockets::Jets::Helper

Extended by:
Memoist
Defined in:
lib/sprockets/jets/helper.rb

Instance Method Summary collapse

Instance Method Details

#asset_not_found_message(path) ⇒ Object 



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# File 'lib/sprockets/jets/helper.rb', line 47

def asset_not_found_message(path)
  if config_assets.use_precompiled
    <<~EOL
      Precompiled asset not found for: #{path}
      Please run:

        jets assets:precompile

      And restart the server
    EOL
  else
    "Precompiled asset not found for: #{path}"
  end
end

#compute_asset_path(path, options = {}) ⇒ Object

Writes over the built in ActionView::Helpers::AssetUrlHelper#compute_asset_path to use the asset pipeline.



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# File 'lib/sprockets/jets/helper.rb', line 7

def compute_asset_path(path, options = {})
  if config_assets.use_precompiled
    # Handle precompiled assets
    manifest = Manifest.build # Sprockets::Manifest
    digest_path = manifest.assets[path]
  else
    # Handle on-the-fly assets
    env = Env.build # Sprockets::Environment
    asset = env.find_asset(path) # returns #<Sprockets::Asset>
    env_path = env[path]
    if env_path.nil?
      puts "ERROR: asset not found: path=#{path.inspect} env_path=#{env_path.inspect}".color(:yellow)
      assets_paths = Jets.config.assets.paths.map {|p| "    #{p}" }.join("\n")
      env_paths = env.paths.map {|p| "    #{p}" }.join("\n")
      puts <<~EOL
        Are you sure it exists in one of your asset paths?
        Jets.config.assets.paths:

        #{assets_paths}

        Sprockets env.paths

        #{env_paths}
        EOL
      raise AssetNotFound.new(asset_not_found_message(path))
    end
    digest_path = env_path.digest_path
  end

  if digest_path
    assets_prefix = config_assets.prefix # /assets
    asset_path = [assets_prefix, digest_path].join("/") # /assets/application-1e8f3a4e.css
    # dont call super, otherwise it will add /stylesheets to the path
    # IE: /stylesheets/application.css instead of
    #     /assets/application-381287eca19f4d3ca6a8aa9ed68b8805d918bc26f4597e4f39e30f6259188840.css
  else
    raise AssetNotFound.new(asset_not_found_message(path))
  end
end

#config_assets ⇒ Object

Note: Cannot name config because it conflicts with an ActionView config method



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# File 'lib/sprockets/jets/helper.rb', line 63

def config_assets
  Jets.config.assets
end