gulpfile.js

var gulp = require('gulp');

var jshint = require('gulp-jshint');
var concat = require('gulp-concat');
var mocha  = require('gulp-mocha');
var sass   = require('gulp-sass');
var uglify = require('gulp-uglify');

gulp.task('concat', function(){
	var folder       = './dist',
			concated     = 'all.js',
			minifed      = 'all.min.js',
			folderConcat = folder + '/' + concated;
			folderMin    = folder + '/' + concated;

	gulp.src('./javascripts/*.js')
		.pipe(concat('all.js'))
		.pipe(gulp.dest(folder))
		.pipe(concat('all.min.js'))
		.pipe(gulp.dest(folder))
		.pipe(uglify())
		.pipe(gulp.dest(folder))
});

gulp.task('lint', function(){
	gulp.src('./javascripts/*.js')
		.pipe(jshint())
		.pipe(jshint.reporter('default'));
});

gulp.task('sass', function(){
	gulp.src('./scss/*.scss')
		.pipe(sass())
		.pipe(gulp.dest('./css'));
});

gulp.task('test', function(){
	gulp.src('./javascripts/tests/*.js')
		.pipe(mocha({ reporter: 'nyan' }));
});

gulp.task('default', function(){
  gulp.run('lint', 'sass');

  gulp.watch('./scss/*.scss', function(){
  	gulp.run('sass');
	});
});