gistfile1.js

var gulp = require('gulp');
var gutil = require('gulp-util');
var sass = require('gulp-ruby-sass');
var watch = require('gulp-watch');
var plumber = require('gulp-plumber');
var traceur = require('gulp-traceur');
var jshint = require('gulp-jshint');
var stylish = require('jshint-stylish');
var notify = require('gulp-notify');

gulp.task('default', ['sass', 'foundation', 'js']);


gulp.task('js', function(){
  gulp.src('client/app/**/*.js').
    pipe(watch()).
    pipe(plumber()).
    pipe(jshint('.jshintrc')).
    pipe(jshint.reporter(stylish)).
    pipe(notify(function(file){
      var message = "";

      if(file.jshint.results){
        file.jshint.results.forEach(function(err){
          var path = err.file.replace(process.cwd() + '/');
          message += err.error.reason + " - " + path;
        });

        return message;
      }
    })).
    pipe(traceur({ sourceMap: true })).
    pipe(gulp.dest('client/js')).
    on("error", notify.onError());
});

/// styling

gulp.task('sass', function(){
  gulp.src('client/style/**/*.sass').
    pipe(watch()).
    pipe(plumber()).
    pipe(sass({ lineNumbers: true })).
    pipe(gulp.dest('client/css')).
    on("error", notify.onError());
});

gulp.task('foundation', ['foundation:build'], function(){
  gulp.watch('client/foundation/**/*.s[ac]ss', ['foundation:build']);
});

gulp.task('foundation:build', function(){
  gulp.src('client/foundation/foundation.sass').
    pipe(sass({ lineNumbers: true })).
    pipe(gulp.dest('client/css/foundation')).
    on("error", notify.onError());
});