spaceless in rails

helper.rb

# from http://stackoverflow.com/questions/6925176/spaceless-equivalent-of-django-templates-in-rails
# test edit.
def spaceless(&block)
  contents = capture(&block)

  # Note that string returned by +capture+ is implicitly HTML-safe,
  # and this mangling does not introduce unsafe changes, so I'm just
  # resetting the flag.
  contents.strip.gsub(/>\s+</, '><').html_safe
end