active_model_serializers

https://github.com/rails-api/active_model_serializers

Ruby

ActiveModel::Serializer implementation and Rails hooks

ActiveModelSerializers::KeyTransform.underscore

Transforms values to underscore_case.
This is the default case for deserialization in the JsonApi adapter.

@example:
   "some-key" => "some_key",

Source | Google | Stack overflow

Edit

git clone [email protected]:rails-api/active_model_serializers.git
cd active_model_serializers
open lib/active_model_serializers/key_transform.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-ActiveModelSerializers--KeyTransform-underscore-for-pr

# Commit to git
git add lib/active_model_serializers/key_transform.rbgit commit -m "better docs for ActiveModelSerializers::KeyTransform.underscore"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-ActiveModelSerializers--KeyTransform-underscore-for-pr
hub pull-request

# Celebrate!