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
33 def capture_erb(&block)
34   outvar = render_opts[:template_opts][:outvar]
35   buf_was = instance_variable_get(outvar)
36 
37   if buf_was.respond_to?(:capture)
38     buf_was.capture(&block)
39   else
40     begin
41       instance_variable_set(outvar, String.new)
42       yield.to_s
43     ensure
44       instance_variable_set(outvar, buf_was) if outvar && buf_was
45     end
46   end
47 end