compiler spec (pseudocode)

spec.coffee

# error handling
# --------------

compiler.on 'error', ->
  utils.add_error_messages()
  this.finish()

compiler.one 'finished', ->
  console.log 'compilation done'

# compile process
# ---------------

utils.analyze_project().then(create_folders).then (structure) ->

  async.parallel [compile_files, copy_static_files], compiler.finish

  compile_files(cb) ->
    async.map structure.compiled_files, compiler.compile, cb

  copy_static_files(cb) ->
    for file in structure.static_files
      utils.copy_sync src: file, dest: opts.folder
    cb()

create_folders(structure) ->
  mkdir.sync(folder) for folder in structure.folders
  return structure