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Contents
# frozen_string_literal: true
module Bridgetown
module Prioritizable
module ClassMethods
# @!method priorities
# @return [Hash<Symbol, Object>]
# Get or set the priority of this class. When called without an
# argument it returns the priority. When an argument is given, it will
# set the priority.
#
# @param priority [Symbol] new priority (optional)
# Valid options are: `:lowest`, `:low`, `:normal`, `:high`, `:highest`
# @return [Symbol]
def priority(priority = nil)
@priority ||= nil
@priority = priority if priority && priorities.key?(priority)
@priority || :normal
end
# Spaceship is priority [higher -> lower]
#
# @param other [Class] The class to be compared.
# @return [Integer] -1, 0, 1.
def <=>(other)
priorities[other.priority] <=> priorities[priority]
end
# Return either this class' priorities or the superclass which has them (if any)
def priorities
return @priorities if @priorities
superclass.priorities if superclass.respond_to?(:priorities)
end
def priorities=(val)
@priorities = val
end
end
def self.included(klass)
klass.extend ClassMethods
end
# Spaceship is priority [higher -> lower]
#
# @param other [object] The object to be compared.
# @return [Integer] -1, 0, 1.
def <=>(other)
self.class <=> other.class
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems