module Roda::RodaPlugins::CaptureERB::InstanceMethods

  1. lib/roda/plugins/capture_erb.rb

Methods

Public Instance

  1. capture_erb

Public Instance methods

capture_erb(&block)

Temporarily replace the ERB output buffer with an empty string, and then yield to the block. Return the value of the block, converted to a string. Restore the previous ERB output buffer before returning.

[show source] 
   # File lib/roda/plugins/capture_erb.rb
34 def capture_erb(&block)
35   outvar = render_opts[:template_opts][:outvar]
36   buf_was = instance_variable_get(outvar)
37 
38   if buf_was.respond_to?(:capture) && !buf_was.instance_of?(String)
39     buf_was.capture(&block)
40   else
41     begin
42       instance_variable_set(outvar, String.new)
43       yield.to_s
44     ensure
45       instance_variable_set(outvar, buf_was) if outvar && buf_was
46     end
47   end
48 end