async = require 'async'

    utils = require '../../lib/utils'

    sources = require './sources'
    notifications = require './notifications'

Pass jSON to the Jade view, allowing mixins to render the appropriate HTML for resources related to the current environment's needs.

    buildCmd = (view) ->

      config = require "#{process.cwd()}/pages"

      pageJson =

Inject an assumed `NODE_ENV` of `production` or `development`.

        NODE_ENV: process.env.NODE_ENV

Asset references were added in `./js.litcoffee` and `./css.litcoffee` based on environment. 

        assets:
          js: global.pages.assets.js
          css: global.pages.assets.css

IF we have _constants_ set in `pages.litcoffee`, pass them to `appConstants`.

      pageJson.constants = JSON.stringify(config.constants)  if config.constants

      cmd = "#{global.pkgBasePath}/node_modules/jade/bin/jade --obj '#{JSON.stringify(pageJson)}' #{view.from} --out #{view.to}"
      cmd = "#{cmd} --pretty"  if process.env.NODE_ENV is 'development'

      cmd

    compileJadeView = (view, cb) -> utils.runWithOutputAndCb buildCmd(view), notifications.jade, cb

    getJadeViews = (cb) -> 

      utils.listFiles "#{process.cwd()}/views", '.jade', (files) -> 

        files = files.map (file) -> 

          viewDir = "#{process.cwd()}/views"
          fileName = file.split('/')[file.split('/').length - 1]

          filePath = file.replace viewDir, ''
          filePath = filePath.replace fileName, ''

          fileName = fileName.replace '.jade', '.html'

          from: file, to: "#{process.cwd()}/_app/views#{filePath}"

        files.push from: "#{process.cwd()}/index.jade", to: "#{process.cwd()}/_app/"

        cb files

    build = (cb) -> getJadeViews (views) -> async.each views, compileJadeView, cb

## Public API ##

    publicFns = 
      build: build

    module.exports = publicFns