cake task for precompiling jade templates using clientjade

gistfile1.txt

{exec} = require 'child_process'
chokidar = require('chokidar')
fs = require 'fs'

task 'build:templates:watch', 'in /templates continually precompile jade templates into public/templates.js', (options) ->
  console.log options
  watcher = chokidar.watch "templates", 
    ignored: (name) -> false
    persistent: true
  compile = -> 
    command = 'clientjade templates/*.jade > public/js/templates.js'
    console.log "Executing " + command
    exec command, (err, stdout, stderr) ->
      throw err if err
      console.log stdout + stderr  
  updateIfNecessary = (path) -> 
    if path.indexOf('.jade') > 0
      console.log 'Compiling templates due to ' + path
      compile()
  #initial adds get the event emitted, so this avoids that.  just a workaround
  setTimeout -> 
    watcher.on 'add', updateIfNecessary
  , 4000
  watcher.on 'change', updateIfNecessary
  console.log "Initial compilation"
  compile()

task 'build:templates', 'Build jade templates from templates/*.jade to public/js/templates.js', ->
  exec 'clientjade templates/*.jade > templates/templates.js', (err, stdout, stderr) ->
    throw err if err
    console.log stdout + stderr