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# File 'lib/csb/handler.rb', line 10
def self.call(template, source = nil)
source ||= template.source
" csv = ::Csb::Template.new(\n utf8_bom: ::Csb.configuration.utf8_bom,\n streaming: ::Csb.configuration.streaming,\n )\n \#{source}\n controller.send(:send_file_headers!, type: 'text/csv', filename: csv.filename)\n if csv.streaming?\n response.headers['Cache-Control'] = 'no-cache'\n response.headers['X-Accel-Buffering'] = 'no'\n # SEE: https://github.com/rack/rack/issues/1619\n if Gem::Version.new('2.2.0') <= Gem::Version.new(Rack::RELEASE)\n response.headers['Last-Modified'] = '0'\n end\n end\n csv.build\n RUBY\nend\n"
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