Base gulpfile.js for most projects - Gulp v3.5.2

gulpfile.js

var gulp = require('gulp');

// Plugins
var imagemin = require('gulp-imagemin'),
    compass = require('gulp-compass'),
    coffee = require('gulp-coffee');

// Paths
var basePath = './public/assets/',
    sassPath = basePath + 'sass/',
    cssPath = basePath + 'css/',
    coffeePath = basePath + 'coffee/',
    jsPath = basePath + 'js/',
    imagePath = basePath + 'images/';

/**
 * Compile SASS down to CSS using compass
 */
var compileCSS = function() {
  var stream = gulp.src(sassPath + '*.sass')
    .pipe(compass({
        css: cssPath,
        sass: sassPath,
        image: imagePath,
        style: 'compressed'
    }))
    .pipe(gulp.dest(cssPath));
  return stream;
};

gulp.task('css', compileCSS);
gulp.task('sass', compileCSS);

/**
 * Compile Coffee down to JS
 */
var compileJS = function() {
  var stream = gulp.src(coffeePath + '**/*.coffee')
    .pipe(coffee({bare: true}).on('error', console.log))
    .pipe(gulp.dest(jsPath));
  return stream;
};

gulp.task('coffee', compileJS);
gulp.task('js', compileJS);

/**
 * Compress images through image-min
 *   !! Note: We also compress manually through ImageOptim before releasing.
 *   image-min only uses gifsicle, jpegtran and pngquant.
 */

gulp.task('images', function() {
  var stream = gulp.src(imagePath + '/**')
    .pipe(imagemin())
    .pipe(gulp.dest(imagePath));
  return stream;
});

gulp.task('watch', function() {
  gulp.watch(sassPath + '**', ['css']);

  gulp.watch(coffeePath + '**', ['js']);
});

/**
 * Default: this runs when you type gulp
 */
gulp.task('default', ['css', 'js', 'watch']);