module Middleman::Util

def should_ignore?(validator, value)
  if validator.is_a? Regexp
    # Treat as Regexp
    !!(value =~ validator)
  elsif validator.respond_to? :call
    # Treat as proc
    validator.call(value)
  elsif validator.is_a? String
    # Treat as glob
    File.fnmatch(value, validator)
  else
    # If some unknown thing, don't ignore
    false
  end
end