diff options
Diffstat (limited to 'railties/guides/source/asset_pipeline.textile')
| -rw-r--r-- | railties/guides/source/asset_pipeline.textile | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/railties/guides/source/asset_pipeline.textile b/railties/guides/source/asset_pipeline.textile index c0694dda4e..b343e8d01d 100644 --- a/railties/guides/source/asset_pipeline.textile +++ b/railties/guides/source/asset_pipeline.textile @@ -249,9 +249,9 @@ h4. Preprocessing The file extensions used on an asset determine what preprocessing is applied. When a controller or a scaffold is generated with the default Rails gemset, a CoffeeScript file and a SCSS file are generated in place of a regular JavaScript and CSS file. The example used before was a controller called "projects", which generated an +app/assets/javascripts/projects.js.coffee+ and a +app/assets/stylesheets/projects.css.scss+ file. When these files are requested, they are processed by the processors provided by the +coffee-script+ and +sass-rails+ gems and then sent back to the browser as JavaScript and CSS respectively. - Additional layers of pre-processing can be requested by adding other extensions, where each extension is processed in a right-to-left manner. These should be used in the order the processing should be applied. For example, a stylesheet called +app/assets/stylesheets/projects.css.scss.erb+ is first processed as ERB, then SCSS and finally served as CSS. The same applies to a JavaScript file -- +app/assets/javascripts/projects.js.coffee.erb+ is processed as ERB, CoffeeScript and served as JavaScript. + Keep in mind that the order of these pre-processors is important. For example, if you called your JavaScript file +app/assets/javascripts/projects.js.erb.coffee+ then it is processed with the CoffeeScript interpreter first, which wouldn't understand ERB and therefore you would run into problems. h3. In Development @@ -638,3 +638,22 @@ group :assets do gem 'uglifier' end </plain> + +If you use the +assets+ group with Bundler, please make sure that your +config/application.rb+ has the following Bundler require statement. + +<ruby> +if defined?(Bundler) + # If you precompile assets before deploying to production, use this line + Bundler.require *Rails.groups(:assets => %w(development test)) + # If you want your assets lazily compiled in production, use this line + # Bundler.require(:default, :assets, Rails.env) +end +</ruby> + +Instead of the old Rails 3.0 one + +<ruby> +# If you have a Gemfile, require the gems listed there, including any gems +# you've limited to :test, :development, or :production. +Bundler.require(:default, Rails.env) if defined?(Bundler) +</ruby> |