Format your Scala code with scalariform in Emacs.
brew install scalariformIt is recommended installed by the MELPA package system.
You could install it by M-x: with package-install: scalariform.
M-x: with command scalariform-format-region or scalariform-format-region-or-buffer.
If you want to use a property file for scalariform, you can
(setq scalariform-use-properties-file-p t)
(setq scalariform-properties-file "~/.scalariform.conf")You can also customize the variable scalariform-program-args to past extra arguments to scalariform.