Class: Closure::Compiler::Compilation

Inherits:

Object

• Object
• Closure::Compiler::Compilation

show all

Defined in:

lib/closure/compiler.rb

Instance Attribute Summary (collapse)

• - js_output_file readonly

  Returns the value of attribute js_output_file.

• - log readonly

  Returns the value of attribute log.

Instance Method Summary (collapse)

• - <<(javascript)

  Appends a string to the javascript.

• - (Compilation) initialize(env, js_output_file = nil, log = nil) constructor

  A new instance of Compilation.

• - javascript (also: #to_s)

  Always returns the compiled javascript (possibly an empty string).

• - (Rack::Response) to_response

  Turn the compiled javascript into a Rack::Response object.

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# File 'lib/closure/compiler.rb', line 97

def initialize(env, js_output_file=nil, log=nil)
  @javascript = []
  @env = env
  @js_output_file = js_output_file
  @log = log
end

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# File 'lib/closure/compiler.rb', line 95

def js_output_file
  @js_output_file
end

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# File 'lib/closure/compiler.rb', line 94

def log
  @log
end

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# File 'lib/closure/compiler.rb', line 132

def <<(javascript)
  @javascript << javascript
  self
end

<%= goog.compile(args) %>

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# File 'lib/closure/compiler.rb', line 140

def javascript
  if @js_output_file
    file_js = File.read(@js_output_file) rescue ''
    ([file_js] + @javascript).join nil
  else
    @javascript.join nil
  end
end

<% @response = goog.compile(args).to_response %>

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# File 'lib/closure/compiler.rb', line 110

def to_response
  if !log and @javascript.empty? and @js_output_file
    response = FileResponse.new @env, @js_output_file, 'application/javascript'
  else
    response = Rack::Response.new
    response.headers['Content-Type'] = 'application/javascript'
    response.headers["Cache-Control"] = 'max-age=0, private, must-revalidate'
    if log
      consolable_log = '"Closure Compiler: %s\n\n", ' + log.rstrip.dump
      if log.split("\n").first =~ / 0 warn/i
        response.write "try{console.log(#{consolable_log})}catch(err){};\n"
      else
        response.write "try{console.warn(#{consolable_log})}catch(err){};\n"
      end
    end
    response.write javascript
  end
  response
end