method

try_precompressed_files

Importance_0
Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: FileHandler
try_precompressed_files(filepath, headers, accept_encoding:) private

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# File actionpack/lib/action_dispatch/middleware/static.rb, line 117
      def try_precompressed_files(filepath, headers, accept_encoding))
        each_precompressed_filepath(filepath) do |content_encoding, precompressed_filepath|
          if file_readable? precompressed_filepath
            # Identity encoding is default, so we skip Accept-Encoding
            # negotiation and needn't set Content-Encoding.
            #
            # Vary header is expected when we've found other available
            # encodings that Accept-Encoding ruled out.
            if content_encoding == "identity"
              return precompressed_filepath, headers
            else
              headers["Vary"] = "Accept-Encoding"

              if accept_encoding.any? { |enc, _| /\b#{content_encoding}\b/.match?(enc) }
                headers["Content-Encoding"] = content_encoding
                return precompressed_filepath, headers
              end
            end
          end
        end
      end
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