vendor/rails/activesupport/lib/active_support/core_ext/string/filters.rb

   1 module ActiveSupport #:nodoc:
   2   module CoreExtensions #:nodoc:
   3     module String #:nodoc:
   4       module Filters
   5         # Returns the string, first removing all whitespace on both ends of
   6         # the string, and then changing remaining consecutive whitespace
   7         # groups into one space each.
   8         #
   9         # Examples:
  10         #   %{ Multi-line
  11         #      string }.squish                   # => "Multi-line string"
  12         #   " foo   bar    \n   \t   boo".squish # => "foo bar boo"
  13         def squish
  14           dup.squish!
  15         end
  16
  17         # Performs a destructive squish. See String#squish.
  18         def squish!
  19           strip!
  20           gsub!(/\s+/, ' ')
  21           self
  22         end
  23       end
  24     end
  25   end
  26 end