module ActiveSupport # Wrapping an array in an +ArrayInquirer+ gives a friendlier way to check # its string-like contents: # # variants = ActiveSupport::ArrayInquirer.new([:phone, :tablet]) # # variants.phone? # => true # variants.tablet? # => true # variants.desktop? # => false class ArrayInquirer < Array # Passes each element of +candidates+ collection to ArrayInquirer collection. # The method returns true if any element from the ArrayInquirer collection # is equal to the stringified or symbolized form of any element in the +candidates+ collection. # # If +candidates+ collection is not given, method returns true. # # variants = ActiveSupport::ArrayInquirer.new([:phone, :tablet]) # # variants.any? # => true # variants.any?(:phone, :tablet) # => true # variants.any?('phone', 'desktop') # => true # variants.any?(:desktop, :watch) # => false def any?(*candidates, &block) if candidates.none? super else candidates.any? do |candidate| include?(candidate.to_sym) || include?(candidate.to_s) end end end private def respond_to_missing?(name, include_private = false) name[-1] == "?" end def method_missing(name, *args) if name[-1] == "?" any?(name[0..-2]) else super end end end end