standard CakeFile

CakeFile

###

silvio paganini | s2paganini | @silviopaganini
Thanks to https://github.com/jashkenas

###


### -------------- INIT VARS -------------- ###

PROJECT_NAME    = ""

CMS_FOLDER      = "project/develop/cms/"

OUTPUT_FOLDER   = "website/js/"
SOURCE_FOLDER   = "project/develop/src/"

OUTPUT_JS       = "#{OUTPUT_FOLDER}main.js"
OUTPUT_JS_MIN   = "#{OUTPUT_FOLDER}main.min.js"

VENDORS_MIN       = "#{OUTPUT_FOLDER}vendor/vendors.min.js"
VENDORS_MERGED    = "#{OUTPUT_FOLDER}vendor/merge/vendors.merged.js"
VENDORS_TO_MERGE  = "#{OUTPUT_FOLDER}vendor/merge"

SOURCE_FILES    = [
  "#{SOURCE_FOLDER}App.coffee"
]

###

# NOTHING TO LOOK FROM HERE #

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                 i-\.'\     ,--+.
               .' .'   \,-'/     \
              / /         /       \
              7_|         |       |
              |/          "i.___.j"
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               )`-.___|         |
             .'`-.____)`-.___.-'(
           .'        .'-._____.-i
          /        .'           |
          `-------/         .   |
                  `--------' "--'


######################################################################################################

FILE_ENCODING = 'utf-8'
EOL = '\n'

### --------- ANSI Terminal Colors ----------- ###

bold = '\x1b[0;1m'
green = '\x1b[0;32m'
reset = '\x1b[0m'
red = '\x1b[0;31m'
yellow = '\x1b[0;33m'


### -------------- DEFINE TASKS --------------- ###

option '-o', '--options [PARAMS]', "\n\toptions for #{yellow}cake build #{reset}\n\t\t-w \twatch the folder \n\t\t-m \tminify the build \n\t #{bold}usage:#{reset} cake -o \"-m\" build"

task 'build', 'compile source', (options) -> build options, -> log ":) build complete", green
task 'build:watch', 'shortcut to build watch', (options) -> build {options:"-w"}, -> log ":) build complete", green
task 'minify_vendors', 'minify vendors', -> minify_vendors -> log ":) minify vendors complete", green


### ----------- NODEJS REQUIRE ------------ ###

pro = require('uglify-js').uglify
jsp = require("uglify-js").parser
path = require("path")

fs = require 'fs'
{print} = require 'util'
{spawn, exec} = require 'child_process'

try
  which = require('which').sync
catch err
  if process.platform.match(/^win/)?
    console.log 'WARNING: the which module is required for windows\ntry: npm install which'
  which = null

### --------- LOG ----------- ###

log = (message, color = green, explanation = '') -> console.log color + message + reset + ' ' + (explanation or '')

### --------- UTILS ---------- ###

launch = (cmd, options=[], callback) ->
  cmd = which(cmd) if which
  app = spawn cmd, options
  app.stdout.pipe(process.stdout)
  app.stderr.pipe(process.stderr)
  app.on 'exit', (status) -> callback?() if status is 0
  null

### --------- TASKS ---------- ###

build = (params, callback) ->

  watch = params.options == "-w"

  options = ['--join', OUTPUT_JS ,'--compile']
  options = options.concat SOURCE_FILES

  log "watching #{PROJECT_NAME} CoffeeScript files ..." if watch

  options.unshift '-w' if watch is true
  launch 'coffee', options, -> 
    if params.options == "-m"
      minify_build ->
        log ':) build and minify complete', green
    else 
      callback()


# compress 
minify_vendors = (callback) ->

  internalWalk = ->
    walk VENDORS_TO_MERGE, (err, results) ->
      log '1. vendors list created', yellow
      VENDORS_MERGED = mergeFiles results, VENDORS_MERGED
      log '2. vendors merged', yellow
      log '3. minifying...', yellow

      uglifyOptions = ['-o',VENDORS_MIN, VENDORS_MERGED]
      launch 'uglifyjs', uglifyOptions, ->
        log '4. vendors minified', yellow
        launch 'rm', [VENDORS_MERGED], ->
          log '5. clean up', yellow 
          callback()

  fs.exists VENDORS_MERGED, (exist) -> 
    if(exist)
      launch 'rm', [VENDORS_MERGED], internalWalk
    else 
      internalWalk()

  null


minify_build = (callback) ->
  options = ['-c', '-o', OUTPUT_JS_MIN, OUTPUT_JS]
  launch 'uglifyjs', options, callback


mergeFiles = (files, dest) ->
  fileList = files
  distPath = dest

  out = fileList.map (filePath) =>
    return fs.readFileSync(filePath, FILE_ENCODING)
 
  fs.writeFileSync(distPath, out.join(EOL), FILE_ENCODING)

  return distPath


walk = (dir, done) ->
  results = []
  fs.readdir dir, (err, list) ->
    return done(err, []) if err
    pending = list.length
    return done(null, results) unless pending
    for name in list
      file = "#{dir}/#{name}"
      try
        stat = fs.statSync file
      catch err
        stat = null

      if file.indexOf('.svn') == -1 and file.indexOf('.DS_Store') == -1
        if stat?.isDirectory()
          walk file, (err, res) ->
            results.push name for name in res
            done(null, results) unless --pending
        else
          if file.indexOf('.js') > -1 || file.indexOf('.coffee')
            results.push file 
          done(null, results) unless --pending
      else 
        done(null, results) unless --pending