Cakefile

fs     = require 'fs'
{exec} = require 'child_process'

appFiles  = [
  'fabric/controls_extension/object'
  'fabric/viewport'
  'fabric/pencil_brush'
  'fabric/canvas_with_viewport'
]

appFileName = "fabricjs_viewport"

task 'build', 'Build single application file from source files', ->
  appContents = new Array remaining = appFiles.length
  for file, index in appFiles then do (file, index) ->
    fs.readFile "src/#{file}.coffee", 'utf8', (err, fileContents) ->
      throw err if err
      appContents[index] = fileContents
      process() if --remaining is 0
  process = ->
    fs.writeFile "dist/#{appFileName}.coffee", appContents.join('\n\n'), 'utf8', (err) ->
      throw err if err
      exec "coffee --compile dist/#{appFileName}.coffee", (err, stdout, stderr) ->
        throw err if err
        console.log stdout + stderr
        fs.unlink "dist/#{appFileName}.coffee", (err) ->
          throw err if err
          console.log 'Done.'