Gulpfile coffeescript

gulpfile.coffee

gulp = require 'gulp'
gutil = require 'gulp-util'
coffee = require 'gulp-coffee'
coffeelint = require 'gulp-coffeelint'
less = require 'gulp-less'
clean = require 'gulp-clean'
uglify = require 'gulp-uglify'
runSequence = require 'run-sequence'
concat = require 'gulp-concat'
minifyCSS = require 'gulp-minify-css'

# config
build= 
  client: 'build'
  server: 'lib'

src=
  client: 'src/client/**/*.coffee'
  server: 'src/server/**/*.coffee'
  less: ['bower_components/font-awesome/less/font-awesome.less, bower_components/bootstrap/less/bootstrap.less, bower_components/bootstrap-social/bootstrap-social.less']

dist=
  client: 'build/js'
  css:    'build/css'
  server: 'lib'


# Delete/clean the build folders for client and server
gulp.task "clean", ->
  gulp.src [build.client, build.server]
    .pipe do clean


# Copy tasks
gulp.task 'copy', ->
  #bower client dependencies to build
  gutil.log "=> copying bower_components to client build..."
  gulp.src 'bower_components/**/*'
    .pipe gulp.dest 'build/bower_components/'

  #client templates
  gutil.log "=> copying client/mustache templates..."
  gulp.src 'src/client/**/*.htm'
    .pipe gulp.dest 'build/js/'

  #bootstrap less
  gutil.log "=> copying bootstrap less to src/client/less "
  gulp.src 'bower_components/bootstrap/less/*.less'
    .pipe gulp.dest 'src/client/less'

  #bootstrap-social
  gutil.log "=> copying bootstrap-social less into src/client/less..."
  gulp.src 'bower_components/bootstrap-social/bootstrap-social.less'
    .pipe gulp.dest 'src/client/less'

  #bootstrap fonts
  gutil.log "=> copying bootstrap fonts to build..."
  gulp.src 'bower_components/bootstrap/dist/fonts/*'
    .pipe gulp.dest 'build/fonts/'

  # font awesoem
  gutil.log "=> copying font-awesome fonts to build..."
  gulp.src 'bower_components/fontawesome/fonts/*'
    .pipe gulp.dest 'build/fonts/'

  #misc requirejs
  gutil.log "=> uglify require.js loader"
  gulp.src 'bower_components/requirejs/require.js'  
    .pipe do uglify
    .pipe gulp.dest 'build/js'

gulp.task 'lint', ->
  #lint coffeescript 
  gutil.log "=> linting all COFFEE source"
  gulp.src [src.client, src.server]
    .pipe do coffeelint


#less to css + minifyCSS
gulp.task 'less', ->
  gutil.log "=> compiling client LESS"
  #compile .less  probably concat & minify etc...
  # all imports go inside main.less
  gulp.src 'src/client/less/main.less'  
    .pipe do less
    .pipe do minifyCSS
    .pipe gulp.dest 'build/css'


gulp.task 'coffee', ->
  # bare true for server/nodejs modules
  gutil.log "=> compiling COFFEE server"
  gulp.src src.server
    .pipe coffee bare: true
      .on 'error', gutil.log
    .pipe gulp.dest dist.server
  
  # bare false for AMD client modules wraps modules
  gutil.log "=> compiling COFFEE client"
  gulp.src src.client
    .pipe coffee bare: false  # wrap js modules
      .on 'error', gutil.log
    .pipe gulp.dest dist.client


gulp.task 'watch', ->
  gutil.log "=> start watching..."
  gulp.watch [src.client, src.server], ['coffee']
  gulp.watch 'src/client/**/*.htm' , ['copy-client-templates']
  gulp.watch 'src/client/less/**/*.less' , ['less']
    

# Define the default task as a sequence of the above tasks
gulp.task "default", ->
  runSequence 'clean', 'copy',  'lint',  'less', 'coffee', 'watch'