method

enumerate

v3.0.9 - Show latest stable - 0 notes - Class: ActionView::Helpers::JavaScriptCollectionProxy

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (0)
3.0.9 (-1)
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
What's this?

enumerate(enumerable, options = {}, &block) private

Options

* variable - name of the variable to set the result of the enumeration to
* method_args - array of the javascript enumeration method args that occur before the function
* yield_args - array of the javascript yield args
* return - true if the enumeration should return the last statement

Show source

# File actionpack/lib/action_view/helpers/prototype_helper.rb, line 815
        def enumerate(enumerable, options = {}, &block)
          options[:method_args] ||= []
          options[:yield_args]  ||= []
          yield_args  = options[:yield_args] * ', '
          method_args = arguments_for_call options[:method_args] # foo, bar, function
          method_args << ', ' unless method_args.blank?
          add_variable_assignment!(options[:variable]) if options[:variable]
          append_enumerable_function!("#{enumerable.to_s.camelize(:lower)}(#{method_args}function(#{yield_args}) {")
          # only yield as many params as were passed in the block
          yield(*options[:yield_args].collect { |p| JavaScriptVariableProxy.new(@generator, p) }[0..block.arity-1])
          add_return_statement! if options[:return]
          @generator << '});'
        end

enumerate

Related methods

Flowdock - Team Inbox With Chat