Заоптимизировать bootstrap

[m1kc]

var gulp = require('gulp');
var mainBowerFiles = require('main-bower-files');
var less = require('gulp-less');
var jade = require('gulp-jade');
var imagemin = require('gulp-imagemin');
var uncss = require('gulp-uncss');
var csso = require('gulp-csso');
var uglify = require('gulp-uglify');
var sourcemaps = require('gulp-sourcemaps');
var concat = require('gulp-concat');
var debug = require('gulp-debug');
//var browserSync = require('browser-sync').create();
//var Server = require('karma').Server;


gulp.task('bower-files', function(){
  return gulp
    .src(mainBowerFiles(), {base: 'bower_components'})
    .pipe(gulp.dest('build/bower_components'));
});

gulp.task('javascript', ['bower-files'], function() {
  return gulp
    .src(['build/bower_components/jquery/dist/jquery.js', 'vendor/**/*.js', 'build/**/*.js', 'src/**/*.js'])
    .pipe(sourcemaps.init())
      .pipe(concat('all.js'))
      //.pipe(uglify({ mangle: false }))
    .pipe(sourcemaps.write())
    .pipe(gulp.dest('dist/js'));
});

gulp.task('javascript-prod', ['bower-files'], function() {
  return gulp
    .src(['build/bower_components/jquery/dist/jquery.js', 'vendor/**/*.js', 'build/**/*.js', 'src/**/*.js'])
    .pipe(concat('all.js'))
    .pipe(uglify({ mangle: false }))
    .pipe(gulp.dest('dist/js'));
});


gulp.task('less', function() {
  return gulp
    .src('src/less/**/*.less')
    .pipe(less())
    .pipe(gulp.dest('build/css'))
    //.pipe(browserSync.stream());
});

gulp.task('css', ['less'], function() {
  return gulp
    .src(['build/**/*.css', 'vendor/**/*.css'])
    .pipe(concat('all.css'))
    .pipe(csso())
    .pipe(gulp.dest('dist/css'))
    //.pipe(browserSync.reload({stream: true}));
});


gulp.task('fonts', function() {
  return gulp
    .src(['bower_components/bootstrap/fonts/*.*', 'bower_components/font-awesome-less/fonts/*.*'])
    .pipe(gulp.dest('dist/fonts'));
});


gulp.task('images', function() {
  return gulp
    .src(['src/img/**/*.jpg', 'src/img/**/*.jpeg', 'src/img/**/*.png'])
    .pipe(imagemin({
      progressive: true,
    }))
    .pipe(gulp.dest('dist/img'));
});


gulp.task('jade', function () {
  return gulp
    .src('src/jade/**/*.jade')
    .pipe(jade())
    .pipe(gulp.dest('dist/'))
    //.pipe(browserSync.stream());
});


gulp.task('build-dev', ['jade', 'javascript', 'images', 'css', 'fonts']);

gulp.task('build-prod', ['jade', 'javascript-prod', 'images', 'css', 'fonts'])


gulp.task('watch', ['build-dev'], function() {
  gulp.watch("src/jade/**/*.jade", ['jade']);
  gulp.watch('src/less/**/*.less', ['less']);
  //gulp.watch("src/js/**/*.js", ['js-watch']);
  gulp.watch("src/js/**/*.js", ['javascript']);
  gulp.watch("build/css/*.css", ['css']);
  //gulp.watch("dist/css/*.*").on('change', browserSync.reload);
  //gulp.watch("dist/*/*.html").on('change', browserSync.reload);
});


gulp.task('default', ['watch']);


/* LEGACY STUFF */

// gulp.task('test', function (done) {
//   new Server({
//     configFile: require('path').resolve('tests/karma.conf.js'),
//     singleRun: true
//   }, done).start();
// });


// gulp.task('js-watch', ['javascript'], browserSync.reload);

// gulp.task('browser-sync',  ['less', 'jade', 'javascript', "css"], function() {
//   browserSync.init({
//     server: {
//       baseDir: './dist'
//     }
//   });
//   gulp.watch("src/jade/**/*.jade", ['jade']);
//   gulp.watch('src/less/**/*.less', ['less']);
//   gulp.watch("src/js/**/*.js", ['js-watch']);
//   gulp.watch("build/css/*.css", ['css']);
//   gulp.watch("dist/css/*.*").on('change', browserSync.reload);
//   gulp.watch("dist/*/*.html").on('change', browserSync.reload);
// });