webpacker
https://github.com/rails/webpacker
Ruby
Use Webpack to manage app-like JavaScript modules in Rails
MailerHelper#css_for_mailer_footer
No Docs, write some!
Edit
git clone [email protected]:rails/webpacker.git
cd webpacker
open
Contribute
# Make a new branchgit checkout -b -your-name--update-docs-MailerHelper-css_for_mailer_footer-for-pr
# Commit to gitgit add git commit -m "better docs for MailerHelper#css_for_mailer_footer"
# Open pull requestgem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-MailerHelper-css_for_mailer_footer-for-pr
hub pull-request
# Celebrate!