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# frozen_string_literal: true
module Temple
module Generators
# Implements a rails output buffer.
#
# @output_buffer = ActiveSupport::SafeBuffer
# @output_buffer.safe_concat "static"
# @output_buffer.safe_concat dynamic.to_s
# @output_buffer
#
# @api public
class RailsOutputBuffer < StringBuffer
define_options :streaming, # ignored
buffer_class: 'ActionView::OutputBuffer',
buffer: '@output_buffer',
capture_generator: RailsOutputBuffer
def call(exp)
[preamble, compile(exp), postamble].flatten.compact.join('; '.freeze)
end
def create_buffer
if buffer == '@output_buffer'
"#{buffer} = output_buffer || #{options[:buffer_class]}.new"
else
"#{buffer} = #{options[:buffer_class]}.new"
end
end
def concat(str)
"#{buffer}.safe_concat((#{str}))"
end
end
end
end
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