sprockets

https://github.com/rails/sprockets

Ruby

Rack-based asset packaging system

Sprockets::Environment#index

Returns a cached version of the environment.

All its file system calls are cached which makes `cached` much
faster. This behavior is ideal in production since the file
system only changes between deploys.

Source | Google | Stack overflow

Edit

git clone [email protected]:rails/sprockets.git

cd sprockets

open lib/sprockets/environment.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Sprockets--Environment-index-for-pr

# Commit to git

git add lib/sprockets/environment.rbgit commit -m "better docs for Sprockets::Environment#index"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Sprockets--Environment-index-for-pr

hub pull-request

# Celebrate!