Opal::Optimizer
A utility to optimize the JavaScript output from Opal with a help of RKelly-Turbo JavaScript parser.
As of now it contains two steps:
- Tree shaking for Opal methods - if a named method is not called anywhere in the code, it's removed
- Collapsing stubs
Installation
Add this line to your application's Gemfile:
gem 'opal-optimizer'And then execute:
$ bundle install
Or install it yourself as:
$ gem install opal-optimizer
Usage
For Sprockets environments, all you need is to require "opal/optimizer/sprockets" in your pipeline.
Development
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
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/hmdne/opal-optimizer.
License
The gem is available as open source under the terms of the MIT License.