Webpack Assets for Rails
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README.md

Webpack Assets

webpack-assets gem is a lightweight webpack-Rails integration. It provides the necessary view helpers to completely replace Rails Asset Pipeline with webpack. Any custom webpack configuration should be supported if it satisfies the assumptions described in the corresponding section.

Installation

Add this line to your application's Gemfile:

gem 'webpack-assets'

And then execute:

$ bundle

Or install it yourself as:

$ gem install webpack-assets

Usage

Minimal configuration (config/initializers/webpack.rb):

Webpack.configure do |config|
  config.port = 4000
  config.public_path = '/assets'
  config.static_path = 'front/static'
end

Required settings:

  • port - the port webpack dev server is running on.
  • public_path - the base path for assets.
  • static_path - the root path for static files.

Optional settings:

  • use_server - whether webpack dev server is being used (Rails.env.development? by default).

  • extract_css - whether css is extracted to a separate file (!Rails.env.development? by default).

  • host - the host with the port webpack dev server is running on (can be used instead of port option).

  • cdn_host - the CDN host (will be prepended to URLs for all files).

    Example usage:

    Webpack.configure do |config|
      if ENV['WEBPACK_HOST']
        config.host = ENV['WEBPACK_HOST']
      else
        config.port = 4000
      end
    end

View helpers:

  • webpack_js_tag is a replacement for javascript_include_tag.

  • webpack_css_tag is a replacement for stylesheet_link_tag.

  • webpack_static_file_url resolves paths to static files (assets used directly from HTML), e.g.:

    <%= image_tag webpack_static_file_url('img/logo.png') %>

Webpack configuration

webpack-assets makes several assumptions:

Development

After checking out the repo, run bundle install to install dependencies. Then, run rake spec to run the tests.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/toptal/webpack-assets. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.