gulpfile.js

var gulp           = require('gulp'),

    sass           = require('gulp-ruby-sass')

    notify         = require("gulp-notify")

    uglify         = require("gulp-uglify")
    concat         = require('gulp-concat')
    mainBowerFiles = require('main-bower-files')
    bower          = require('gulp-bower');

var config = {

    sassPath: './public/stylesheets/sass',
    jsPath:   './public/javascripts/libs',

    bowerDir: './bower_components'

}

gulp.task('bower', function() {

    return bower()

        .pipe(gulp.dest(config.bowerDir))

});

gulp.task('icons', function() {

    return gulp.src(config.bowerDir + '/font-awesome/fonts/**.*')

        .pipe(gulp.dest('./public/stylesheets/fonts'));

});

gulp.task('javascripts', function() {
  // var bowerFiles = mainBowerFiles('**/*.js');
  // console.log('bower files: ', bowerFiles);
    return gulp.src( mainBowerFiles('**/*.js') )
        .pipe(gulp.dest('./public/javascripts/libs/'))
});

gulp.task('compile-css', function() {

    return gulp.src(config.sassPath + '/site-theme.scss')

        .pipe(sass({

            style: 'compressed',

            loadPath: [

                './public/stylesheets/sass',

                config.bowerDir + '/bootstrap/scss',

                config.bowerDir + '/font-awesome/scss',

            ]

        })

            .on("error", notify.onError(function (error) {

                return "Error: " + error.message;

            })))


        .pipe(gulp.dest('./public/stylesheets'));

});

gulp.task('minify-js', function () {
    return gulp.src('./public/javascripts/libs/*.js') // path to your files
        .pipe(uglify())
        .pipe(concat('/plugins.min.js'))
        .pipe(gulp.dest('./public/javascripts/'));
});

// Rerun the task when a file changes

gulp.task('watch', function() {

    gulp.watch(config.sassPath + '/**/*.scss', ['compile-css']);

});



gulp.task('default', ['bower', 'icons', 'javascripts', 'compile-css', 'minify-js']);