First version -- work in progress

Author: joliss

Gemfile

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+source :rubygems
+
+gemspec

README.md

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+# jquery-ui-rails

Rakefile

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+require 'rubygems'
+require 'execjs'
+
+DEPENDENCY_HASH = ExecJS.eval(File.read('dependencies.js'))
+VERSION = File.read("jquery-ui/version.txt").strip
+LANGUAGE_REGEX = /-[-a-zA-Z]+(?=\.js\z)/
+
+def get_js_dependencies(basename)
+  if basename.match LANGUAGE_REGEX
+    # Depend on main module for i18n files
+    [basename.sub(LANGUAGE_REGEX, '')]
+  else
+    DEPENDENCY_HASH[basename.sub(/\Ajquery\./, '')]
+      .reject { |dep| dep == 'theme' } # cannot use 'theme' (CSS) pseudo-dep
+      .map { |dep| "jquery.#{dep}" }
+  end
+end
+
+desc "Generate the JavaScript assets"
+task :javascripts do
+  target_dir = "vendor/assets/javascripts"
+  FileUtils.mkdir_p target_dir
+  Dir.glob("jquery-ui/ui/**/*.js").each do |path|
+    basename = File.basename(path)
+    dependencies = get_js_dependencies(basename)
+    fail "Missing dependency info for #{basename}" if dependencies.nil?
+    File.open("#{target_dir}/#{basename}", "w") do |out|
+      # puts "#{basename} => #{dependencies.inspect}"
+      out.write("//= require jquery\n")
+      dependencies.each do |dep|
+        fail "#{basename}: missing #{dep}" unless File.exist? "jquery-ui/ui/#{dep}"
+        out.write("//= require #{dep.sub /\.js\z/, ''}\n")
+      end
+      out.write("\n") unless dependencies.empty?
+      source_code = File.read(path).gsub('@VERSION', VERSION)
+      out.write(source_code)
+    end
+  end
+  File.open("#{target_dir}/jquery-ui.js", "w") do |out|
+    Dir.glob("jquery-ui/ui/*.js").sort.each do |path|
+      out.write("//= require #{File.basename path}\n")
+    end
+  end
+end
+
+desc "Generate the CSS assets"
+task :stylesheets do
+  target_dir = "vendor/assets/stylesheets"
+  FileUtils.mkdir_p target_dir
+  Dir.glob("jquery-ui/themes/base/*.css").each do |path|
+    basename = File.basename(path)
+    File.open("#{target_dir}/#{basename}", "w") do |out|
+      source_code = File.read(path)
+        .gsub('@VERSION', VERSION)
+        .gsub(/^@import (.*)$/) { |s|
+          m = s.match(/^@import (url\()?"(?<url>[-_.a-zA-Z]+)"\)?;/) \
+            or fail "Cannot parse import: #{s}"
+          "/*\n *= require #{m['url']}\n */"
+        }
+        .gsub(/^( \*= require .*)\n \*\/(\n+)\/\*\n(?= \*= require )/, '\1\2') # be cute: collapse requires
+        .gsub(/url\(images\/([-_.a-zA-Z0-9]+)\)/, 'url(<%= image_path("jquery-ui/\1") %>)')
+      out.write(source_code)
+    end
+  end
+end
+
+desc "Generate the image assets"
+task :images do
+  target_dir = "vendor/assets/images/jquery-ui"
+  FileUtils.mkdir_p target_dir
+  FileUtils.cp(Dir.glob("jquery-ui/themes/base/images/*.png"), target_dir)
+end
+
+desc "Generate everything (default)"
+task :all => [:javascripts, :stylesheets, :images]
+
+task :default => :all

jquery-ui-rails.gemspec

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+# -*- encoding: utf-8 -*-
+require File.expand_path('../lib/jquery/ui/rails/version', __FILE__)
+
+Gem::Specification.new do |s|
+  s.name        = "jquery-ui-rails"
+  s.version     = Jquery::Ui::Rails::VERSION
+  s.authors     = ["Jo Liss"]
+  s.email       = ["[email protected]"]
+  s.homepage    = "https://github.com/joliss/jquery-ui-rails"
+  s.summary     = "jQuery UI packaged for the Rails asset pipeline"
+  s.description = "jQuery UI JavaScript, CSS, and image files packaged for the Rails 3.1+ asset pipeline"
+
+  s.required_rubygems_version = ">= 1.3.6"
+
+  s.add_dependency "railties", ">= 3.1.0"
+  s.add_dependency "jquery-rails"
+
+  s.add_development_dependency "execjs", "~> 1.0"
+
+  s.files        = Dir.glob("vendor/**/*") + `git ls-files`.split("\n").reject { |f| f == 'jquery-ui' }
+  s.executables  = `git ls-files`.split("\n").select { |f| f =~ /^bin/ }
+  s.require_path = 'lib'
+end

lib/jquery-ui-rails.rb

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+require 'jquery/ui/rails'

lib/jquery/ui/rails.rb

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+require 'jquery/ui/rails/engine'
+require 'jquery/ui/rails/version'

lib/jquery/ui/rails/engine.rb

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+module Jquery
+  module Ui
+    module Rails
+      class Engine < ::Rails::Engine
+      end
+    end
+  end
+end

lib/jquery/ui/rails/version.rb

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+module Jquery
+  module Ui
+    module Rails
+      VERSION = "0.0.1"
+    end
+  end
+end