gulpfile

// Include gulp
var gulp = require('gulp');

var plumber = require('gulp-plumber');

// Include Our Plugins
var sass = require('gulp-sass'),
    minifyCSS = require('gulp-minify-css'),
    autoprefixer = require('gulp-autoprefixer'),
    gutil = require('gulp-util');

// Error handling with plumber
var onError = function (err) {
  gutil.beep();
  console.log(err);
  this.emit('end');
};

// Compile Our Sass
gulp.task('sass', function() {
    return gulp.src('app/assets/stylesheets/src/**/*.scss')
        .pipe(plumber({ errorHandler: onError }))
        .pipe(sass())
        .pipe(autoprefixer({
            browsers: ['last 20 versions'],
            cascade: false
        }))
        .pipe(minifyCSS({keepBreaks:false}))
        .pipe(gulp.dest('app/assets/stylesheets/dist'));
});


// Watch Files For Changes
gulp.task('watch', function() {
    gulp.watch('app/assets/stylesheets/src/**/*.scss', ['sass']);
});

// Default Task
gulp.task('default', ['sass', 'watch']);