Sha256: 4d4d7432c0207142c5f106697cb3ec10072560452d0dda690b690ac453c9f9b8
Contents?: true
Size: 1.63 KB
Versions: 6
Compression:
Stored size: 1.63 KB
Contents
module DuckPuncher
class Duck
attr_accessor :name, :options
# @param [Symbol] name of the duck
# @param [Hash] options to modify the duck #punch method behavior
# @option options [String] :class (name) to punch
# @option options [Proc] :if Stops +punch+ if it returns false
# @option options [Proc] :before A hook that is called with the target @klass before +punch+
# @option options [Proc] :after A hook that is called with the target @klass after +punch+
def initialize(name, options = {})
@name = name
@options = options
end
# @param [Hash] opts to modify punch
# @option options [Class] :target Overrides the @klass to be punched
# @option options [Array,Symbol] :only Specifies the methods to extend onto the current object
def punch(opts = {})
if options[:if] && !options[:if].call
DuckPuncher.log.info %Q(Skipping the punch for #{name}!)
return nil
end
target = opts.delete(:target) || klass
options[:before].call(target) if options[:before]
target.extend Usable
target.usable DuckPuncher::Ducks.const_get(name), opts
target
end
def klass
@klass ||= (options[:class] || name).to_s.split('::').inject(Kernel) { |k, part| k.const_get part }
end
# @param [Class] obj The object being punched
def delegated(obj = nil)
obj_class = obj ? obj.class : klass
klass = DelegateClass(obj_class)
punch target: klass
klass.usable DuckPuncher::Ducks::Object, only: :punch, method: :prepend
klass
end
def classify
Class.new(klass).tap { |k| punch target: k }
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems