Sprockets support for Middleman
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The master branch is the 4.x version of Middleman-Sprockets.


middleman-sprockets is an extension for the Middleman static site generator that allows support for Sprockets in your assets.


If you're just getting started, install the middleman gem and generate a new project:

gem install middleman
middleman init MY_PROJECT

Then add gem "middleman-sprockets" to your Gemfile and run bundle install

To activate the extension, in your config.rb add:

activate :sprockets



There are currently two options for configuration, imported_asset_path and expose_middleman_helpers.

imported_asset_path [default: 'assets']

This is the path imported/linked assets will be added to the sitemap. For example, in the bower fixture app, the /javascripts/core.js file has //= link "lightbox2/img/close.png". This linked asset will be added to the sitemap at /assets/lightbox2/img/close.png.

To configure, in config.rb:

activate :sprockets do |c|
  c.imported_asset_path = YOUR_PATH

expose_middleman_helpers [default: false]

Sometimes you might need sprockets to have access helpers (for example using different keys depending on deployment environment). Getting this to happen is bound to be full of edge cases, so for now it's behind a configuration option.

If you need Middleman helpers in your Sprockets, in config.rb:

activate :sprockets do |c|
  c.expose_middleman_helpers = true

Build & Dependency Status

Gem Version Build Status Dependency Status Code Quality


The official community forum is available at: http://forum.middlemanapp.com

Bug Reports

Github Issues are used for managing bug reports and feature requests. If you run into issues, please search the issues and submit new problems: https://github.com/middleman/middleman-sprockets/issues

The best way to get quick responses to your issues and swift fixes to your bugs is to submit detailed bug reports, include test cases and respond to developer questions in a timely manner. Even better, if you know Ruby, you can submit Pull Requests containing Cucumber Features which describe how your feature should work or exploit the bug you are submitting.

How to Run Cucumber Tests

  1. Checkout Repository: git clone https://github.com/middleman/middleman-sprockets.git
  2. Install Bundler: gem install bundler
  3. Run bundle install inside the project root to install the gem dependencies.
  4. Run test cases: bundle exec rake test


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Copyright (c) 2012-2016 Thomas Reynolds. MIT Licensed, see LICENSE for details.