Sprocketize Prototype

Rakefile

@@ -12,17 +12,32 @@ PROTOTYPE_TMP_DIR       = File.join(PROTOTYPE_TEST_UNIT_DIR, 'tmp')
 PROTOTYPE_VERSION       = '1.6.0.3'
 
 $:.unshift File.join(PROTOTYPE_ROOT, 'lib')
+$:.unshift File.join(PROTOTYPE_ROOT, 'vendor', 'sprockets', 'lib')
 
 task :default => [:dist, :dist_helper, :package, :clean_package_source]
 
+def sprocketize(path, source, destination = source)
+  begin
+    require "sprockets"
+  rescue LoadError => e
+    puts "\nYou'll need Sprockets to build Prototype. Just run:\n\n"
+    puts "  $ git submodule init"
+    puts "  $ git submodule update"
+    puts "\nand you should be all set.\n\n"
+  end
+  
+  environment  = Sprockets::Environment.new(File.join(PROTOTYPE_ROOT, path), [File.join(PROTOTYPE_ROOT, "src")])
+  preprocessor = Sprockets::Preprocessor.new(environment)
+  preprocessor.require(environment.find(source).source_file)
+
+  File.open(File.join(PROTOTYPE_DIST_DIR, destination), 'w+') do |dist|
+    dist.write(preprocessor.output_file)
+  end
+end
+
 desc "Builds the distribution."
 task :dist do
-  require 'protodoc'
-
-  File.open(File.join(PROTOTYPE_DIST_DIR, 'prototype.js'), 'w+') do |dist|
-    source = File.join(PROTOTYPE_SRC_DIR, 'prototype.js')
-    dist << Protodoc::Preprocessor.new(source, :strip_documentation => true)
-  end
+  sprocketize("src", "prototype.js")
 end
 
 namespace :doc do
@@ -56,12 +71,7 @@ task :doc => ['doc:build']
 
 desc "Builds the updating helper."
 task :dist_helper do
-  require 'protodoc'
-
-  File.open(File.join(PROTOTYPE_DIST_DIR, 'prototype_update_helper.js'), 'w+') do |dist|
-    source = File.join(PROTOTYPE_ROOT, 'ext', 'update_helper', 'prototype_update_helper.js')
-    dist << Protodoc::Preprocessor.new(source)
-  end
+  sprocketize("ext/update_helper", "prototype_update_helper.js")
 end
 
 Rake::PackageTask.new('prototype', PROTOTYPE_VERSION) do |package|

ext/update_helper/prototype_update_helper.js

@@ -1,4 +1,4 @@
-<%= include "update_helper.js" %>
+//= require "update_helper"
 
 /* UpdateHelper for Prototype <%= PROTOTYPE_VERSION %> (c) 2008 Tobie Langel
  * 

lib/protodoc.rb

@@ -1,53 +0,0 @@
-require 'erb'
-
-class String
-  def lines
-    split $/
-  end
-  
-  def strip_whitespace_at_line_ends
-    lines.map {|line| line.gsub(/\s+$/, '')} * $/
-  end
-  
-  def strip_pdoc_comments
-    gsub %r{\s*/\*\*.*?\*\*/}m, "\n"
-  end
-end
-
-module Protodoc
-  module Environment
-    def include(*filenames)
-      filenames.map do |filename|
-        Preprocessor.new(expand_path(filename), @options).result
-      end.join("\n")
-    end
-  end
-  
-  class Preprocessor
-    include Environment
-    
-    def initialize(filename, options = { })
-      filename = File.join(filename.split('/'))
-      @filename = File.expand_path(filename)
-      @template = ERB.new(IO.read(@filename), nil, '%')
-      @options = options
-    end
-    
-    def expand_path(filename)
-      File.join(File.dirname(@filename), filename)
-    end
-    
-    def result
-      result = @template.result(binding)
-      result = result.strip_whitespace_at_line_ends
-      result = result.strip_pdoc_comments if @options[:strip_documentation]
-      result
-    end
-    
-    alias_method :to_s, :result
-  end  
-end
-
-if __FILE__ == $0
-  print Protodoc::Preprocessor.new(ARGV.first)
-end

src/HEADER

@@ -1,7 +0,0 @@
-/*  Prototype JavaScript framework, version <%= PROTOTYPE_VERSION %>
- *  (c) 2005-2008 Sam Stephenson
- *
- *  Prototype is freely distributable under the terms of an MIT-style license.
- *  For details, see the Prototype web site: http://www.prototypejs.org/
- *
- *--------------------------------------------------------------------------*/

src/ajax.js

@@ -0,0 +1,7 @@
+//= require "ajax/ajax"
+//= require "ajax/responders"
+//= require "ajax/base"
+//= require "ajax/request"
+//= require "ajax/response"
+//= require "ajax/updater"
+//= require "ajax/periodical_updater"

src/constants.yml

@@ -0,0 +1 @@
+PROTOTYPE_VERSION: 1.6.0.3

src/dom.js

@@ -0,0 +1,6 @@
+//= require "dom/dom"
+//= require "dom/selector"
+//= require "dom/form"
+//= require "dom/event"
+
+Element.addMethods();

src/lang.js

@@ -0,0 +1,46 @@
+/**
+ * == lang ==
+ * Language extensions.
+**/
+
+var Abstract = { };
+
+/** section: lang
+ * Try
+**/
+
+/**
+ *  Try.these(function...) -> ?
+ *  - function (Function): A function that may throw an exception.
+ *  Accepts an arbitrary number of functions and returns the result of the
+ *  first one that doesn't throw an error.
+ **/
+var Try = {
+  these: function() {
+    var returnValue;
+    
+    for (var i = 0, length = arguments.length; i < length; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) { }
+    }
+    
+    return returnValue;
+  }
+};
+
+//= require "lang/class"
+//= require "lang/object"
+//= require "lang/function"
+//= require "lang/date"
+//= require "lang/regexp"
+//= require "lang/periodical_executer"
+//= require "lang/string"
+//= require "lang/template"
+//= require "lang/enumerable"
+//= require "lang/array"
+//= require "lang/hash"
+//= require "lang/number"
+//= require "lang/range"

src/prototype.js

@@ -1,5 +1,11 @@
-<%= include 'HEADER' %>
-
+/*  Prototype JavaScript framework, version <%= PROTOTYPE_VERSION %>
+ *  (c) 2005-2009 Sam Stephenson
+ *
+ *  Prototype is freely distributable under the terms of an MIT-style license.
+ *  For details, see the Prototype web site: http://www.prototypejs.org/
+ *
+ *--------------------------------------------------------------------------*/
+ 
 var Prototype = {
   Version: '<%= PROTOTYPE_VERSION %>',
   
@@ -47,55 +53,8 @@ var Prototype = {
 if (Prototype.Browser.MobileSafari)
   Prototype.BrowserFeatures.SpecificElementExtensions = false;
   
-var Abstract = { };
+//= require "lang"
+//= require "ajax"
+//= require "dom"
 
-/**
- * == lang ==
- * Language extensions.
-**/
-
-/** section: lang
- * Try
-**/
-
-/**
- *  Try.these(function...) -> ?
- *  - function (Function): A function that may throw an exception.
- *  Accepts an arbitrary number of functions and returns the result of the
- *  first one that doesn't throw an error.
- **/
-var Try = {
-  these: function() {
-    var returnValue;
-    
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-    
-    return returnValue;
-  }
-};
-
-<%= include 'lang/class.js', 'lang/object.js', 'lang/function.js' %>
-
-<%= include 'lang/date.js', 'lang/regexp.js', 'lang/periodical_executer.js' %>
-
-<%= include 'lang/string.js', 'lang/template.js' %>
-
-<%= include 'lang/enumerable.js', 'lang/array.js', 'lang/hash.js' %>
-
-<%= include 'lang/number.js', 'lang/range.js' %>
-
-<%= include 'ajax/ajax.js', 'ajax/responders.js', 'ajax/base.js', 'ajax/request.js', 'ajax/response.js' %>
-
-<%= include 'ajax/updater.js', 'ajax/periodical_updater.js' %>
-
-<%= include 'dom/dom.js', 'dom/selector.js', 'dom/form.js', 'dom/event.js' %>
-
-<%= include 'deprecated.js' %>
-
-Element.addMethods();
+//= require "deprecated"

vendor/sprockets

@@ -1 +1 @@
-Subproject commit bf472927407df4318705259ef1790718fc96eddc
+Subproject commit 05108e6ca76352b8954b066cf041865415fd6bf9