Takes a string as the only argument and "dasherizes" it

dasherize.coffee

# Dasherizes a string
#
# Usage:
#
#     _.dasherize("Foo_Bar")     #=> 'foo-bar'
#     _.dasherize("FooBar")      #=> 'foo-bar'
#     _.dasherize("foo_bar")     #=> 'foo-bar'
#     _.dasherize("foo-bar_Baz") #=> 'foo-bar-baz'
#
dasherize: (string) ->
  string.replace /([_A-Z])+/g, (m) ->
    m.replace(/_/, '-').toLowerCase()