coffee-toaster/src/toaster.coffee

Minimalist build system for CoffeeScript.

exports.run=()-> new Toaster

#<< toaster/toast
#<< toaster/cli
#<< toaster/misc/inject-ns

exports.toaster = toaster
exports.Toaster = class Toaster

  # requirements
  fs = require "fs"
  fsu = require "fs-util"
  path = require "path"
  exec = (require "child_process").exec
  colors = require 'colors'

  # variable - before filter container
  before_build: null

  constructor:( basedir, options = null, skip_initial_build = false )->

    @basepath = path.resolve( basedir || "." )
    @cli = new toaster.Cli options

    # increments basepath if some path is given for args -n, -i, -c, -w, -d
    # just one of these could have a path, so only the first found will be
    # considered.
    for flag in ('nicwd'.split '')
      if (typeof (base = @cli.argv[flag]) is 'string')
        @basepath = path.resolve base
        break

    # injecting options into @cli.argv to maintain interoperability
    if options?
      @cli.argv[k] = v for k, v of options

    # printing version
    if @cli.argv.v
      filepath = path.join __dirname, "/../package.json"
      contents = fs.readFileSync filepath, "utf-8"
      schema = JSON.parse contents
      return log schema.version
    
    # scaffolding basic structure for new projects
    else if @cli.argv.n
      new toaster.generators.Project( @basepath ).create @cli.argv.n

    # initializing a toaster file template into an existent project
    else if @cli.argv.i
      new toaster.generators.Config( @basepath ).create()

    # injecting namespace declarations
    else if @cli.argv.ns
      @toast = new toaster.Toast @
      new toaster.misc.InjectNS @toast.builders

    # starting watching'n'compiling process
    else if (base = @cli.argv.w || @cli.argv.c || @cli.argv.a)
      config = if options and options.config then options.config else null
      @toast = new toaster.Toast @
      @build() unless skip_initial_build

    # showing help screen
    else
      return log @cli.opts.help()

  # can be called by apps using toaster as lib, build the project with options
  # to inject header and footer code which must to be in coffee as well and
  # will be compiled together the app.
  build:( header_code = "", footer_code = "" )->
    for builder in @toast.builders
      builder.build header_code, footer_code

  # resets the toaster completely - specially used when the `toaster.coffee`
  # config file is edited :)
  reset:()->
    builder.reset() for builder in @toast.builders
    exports.run()