Rakefile

require('rubygems')
require('json')
require('yaml')

require 'opal'
#require 'opal-browser'
#require 'react-latest'
require 'opal-jquery'

require 'reactrb'

desc "Build inline code editor support reactive-playground.js"
task :build_reactive_playground do
  Opal.append_path "reactive-playground"
  File.binwrite "reactive-playground.js", Opal::Builder.build("application").to_s
end

desc "Build chat_service and test_chat_service.js"
task :build_chat_service do
  Opal.append_path "chat_service"
  File.binwrite "./react/js/chat_service.js", Opal::Builder.build("chat_service").to_s
  File.binwrite "./react/js/test_chat_service.js", Opal::Builder.build("test_chat_service").to_s
end

desc "generate js from jsx"
task :js do
  system "cp ../react/node_modules/babel/node_modules/babel-core/browser.min.js ./react/js/babel-browser.min.js"
  system "../react/node_modules/.bin/babel _js --out-dir=react/js"
end

desc "watch js"
task :watch do
  Process.spawn "../react/node_modules/.bin/babel _js --out-dir=react/js --watch"
  Process.waitall
end

desc "update version to match ../package.json"
task :update_version do
  react_version = JSON.parse(File.read('../package.json'))['version']
  site_config = YAML.load_file('_config.yml')
  if site_config['react_version'] != react_version
    site_config['react_version'] = react_version
    File.open('_config.yml', 'w+') { |f| f.write(site_config.to_yaml) }
  end
end

desc "update acknowledgements list"
task :update_acknowledgements do
  authors = File.readlines('../AUTHORS').map {|author| author.gsub(/ <.*\n/,'')}
  # split into cols here because nobody knows how to use liquid
  # need to to_f because ruby will keep slice_size as int and round on its own
  slice_size = (authors.size / 3.to_f).ceil
  cols = authors.each_slice(slice_size).to_a
  File.open('_data/acknowledgements.yml', 'w+') { |f| f.write(cols.to_yaml) }
end

desc "build into ../../react-gh-pages"
task :release => [:update_version, :default] do
  system "jekyll build -d ../../react-gh-pages"
end

task :default => [:js]