spur-common/src/core/BaseDelegate.coffee

Common node library that is implemented through the use of spur-ioc and bluebird promises.

module.exports = (_, console)->

  class BaseDelegate

    supportsMethods:(@_methods)->
      for methodName in @_methods
        do(methodName) =>
          @[methodName] = (args...)=>
            @callDelegate(methodName, args)

      @useConsole()

    callDelegate:(methodName, args)->
      _.each @delegates, (delegate)=>
        if _.isFunction(delegate[methodName])
          delegate[methodName].apply(delegate, args)
        else if _.isFunction(delegate)
          delegate.call(@,methodName, args)

    useNoop:()->
      @delegates = []

    useConsole:()->
      @delegates = [@consoleDelegate]

    consoleDelegate:(methodName, args)=>
      prefix = @constructor.name + "##{methodName}: "
      console.log.apply(console, [prefix].concat(args))

    useRecorder:()->
      @delegates = [@recorderDelegate]

    recorderDelegate:(methodName, args)=>
      @recorded ?= {}
      (@recorded[methodName] ?= []).push(args)

    use:(delegate)=>
      @delegates = [delegate]