generator-blueman/app/templates/gulpfile.js

Yeoman generator

'use strict';

var gulp        = require('gulp'),
    nodemon     = require('gulp-nodemon'),
    sass        = require('gulp-sass'),
    rename      = require('gulp-rename'),
    cssmin      = require('gulp-minify-css'),
    concat      = require('gulp-concat'),
    uglify      = require('gulp-uglify'),
    jshint      = require('gulp-jshint'),
    prefix      = require('gulp-autoprefixer'),
    browserSync = require('browser-sync'),
    reload      = browserSync.reload,
    minifyHTML  = require('gulp-minify-html'),
    size        = require('gulp-size'),
    imagemin    = require('gulp-imagemin'),
    pngquant    = require('imagemin-pngquant'),
    plumber     = require('gulp-plumber'),
    notify      = require('gulp-notify'),
    gulpLoadPlugins = require("gulp-load-plugins"),
    plugins     = gulpLoadPlugins();

gulp.task('scss', function() {
  var onError = function(err) {
    notify.onError({
        title:    'Gulp',
        subtitle: 'Failure!',
        message:  "Error: <%= error.message %>",
        sound:    'Beep'
    })(err);
    this.emit('end');
  };

  return gulp.src('scss/main.scss')
    .pipe(plumber({errorHandler: onError}))
    .pipe(sass())
    .pipe(size({ gzip: true, showFiles: true }))
    .pipe(prefix())
    .pipe(rename('main.css'))
    .pipe(gulp.dest('public/css'))
    .pipe(reload({stream:true}))
    .pipe(cssmin())
    .pipe(size({ gzip: true, showFiles: true }))
    .pipe(rename({ suffix: '.min' }))
    .pipe(gulp.dest('public/css'));
});

gulp.task('nodemon', function (cb) {
  return nodemon({
    script: 'app.js'
  }).on('start', function () {
      cb();
  });
});

gulp.task('browser-sync', ['nodemon'], function() {
  browserSync.init(null, {
    server: {
        baseDir: 'public/'
    },

    files: ['public/**/*.*'],
    port: 3000
    });
});

gulp.task('js', function() {
  gulp.src('js/*.js')
    .pipe(uglify())
    .pipe(size({ gzip: true, showFiles: true }))
    .pipe(concat('j.js'))
    .pipe(gulp.dest('public/js'))
    .pipe(reload({stream:true}));
});

gulp.task('minify-html', function() {
    var opts = {
      comments:true,
      spare:true
    };

  gulp.src('./*.html')
    .pipe(minifyHTML(opts))
    .pipe(gulp.dest('public/'))
    .pipe(reload({stream:true}));
});

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

gulp.task('watch', function() {
  gulp.watch('scss/**/*.scss', ['scss']);
  gulp.watch('js/*.js', ['jshint', 'js']);
  gulp.watch('./*.html', ['minify-html']);
  gulp.watch('img/*', ['imgmin']);
});

gulp.task('imgmin', function () {
  return gulp.src('img/*')
      .pipe(imagemin({
          progressive: true,
          svgoPlugins: [{removeViewBox: false}],
          use: [pngquant()]
      }))
      .pipe(gulp.dest('public/img'));
});

gulp.task('nodemon', function (cb) {
  var called = false;
  return plugins.nodemon({script: 'app.js'}).on('start', function () {
    if (!called) {
      called = true;
      cb();
    }
  });
});

gulp.task('build', ['js', 'imgmin', 'minify-html', 'scss'], function () {
});

// build & deploy
gulp.task('deploy', function (gulpCallBack) {
  gulp.run('build');
  var spawn = require('child_process').spawn;
  var cf = spawn('cf', ['push'], {stdio: 'inherit'});

  cf.on('exit', function (code) {
    gulpCallBack(code === 0 ? null : 'ERROR: cf process exited with code: ' + code);
  });
});

gulp.task('default', ['browser-sync', 'js', 'imgmin', 'minify-html', 'scss', 'watch']);