# frozen_string_literal: true #-- # ERB::DefMethod # # Utility module to define eRuby script as instance method. # # === Example # # example.rhtml: # <% for item in @items %> # <%= item %> # <% end %> # # example.rb: # require 'erb' # class MyClass # extend ERB::DefMethod # def_erb_method('render()', 'example.rhtml') # def initialize(items) # @items = items # end # end # print MyClass.new([10,20,30]).render() # # result: # # 10 # # 20 # # 30 # module ERB::DefMethod # define _methodname_ as instance method of current module, using ERB # object or eRuby file def def_erb_method(methodname, erb_or_fname) if erb_or_fname.kind_of? String fname = erb_or_fname erb = ERB.new(File.read(fname)) erb.def_method(self, methodname, fname) else erb = erb_or_fname erb.def_method(self, methodname, erb.filename || '(ERB)') end end module_function :def_erb_method end