compiled.js

// This file is managed at build time by a build script.
// @include Readability.js
// @include Clipper.js
// @include main.js

fastfile.rb

desc "Build phase script to compile clipper javascript into a single file"
lane :compile_clipper_js do |options|
  
  working_directory = "#{ENV["BUILT_PRODUCTS_DIR"]}/#{ENV["WRAPPER_NAME"]}"
  compilation_file_path = "#{working_directory}/compiled.js"
  compiled_contents = ""
  
  File.readlines("#{ENV["PROJECT_DIR"]}/clipper/compiled.js").each do |line|

    matches = line.match(/^\/\/\s@include (.*)$/)

    if (!matches)
      next
    end

    file = "#{working_directory}/#{matches.captures.first}";

    compiled_contents += "\n\n" + File.read(file);
    
  end

  File.write(compilation_file_path, compiled_contents)

  puts "Wrote compiled clipper JS to #{compilation_file_path}"

end

main.js

/* global Readability, Clipper */

class ClippedArticlePreprocessor
{
    run( args )
    {
        var clipper = new Clipper();
        var article = clipper.clip( window, document );

        args.completionFunction( article );
    }
};

var ExtensionPreprocessingJS = new ClippedArticlePreprocessor;