gulpfile.js

'use strict';

var pkg          = require('./package.json');
var gulp         = require('gulp');
var gutil        = require('gulp-util');
var plumber      = require('gulp-plumber');
var rename       = require('gulp-rename');
var connect      = require('gulp-connect');
var browserify   = require('gulp-browserify');
var uglify       = require('gulp-uglify');
var jade         = require('gulp-jade');
var less         = require('gulp-less');
var autoprefixer = require('gulp-autoprefixer');
var csso         = require('gulp-csso');
var del          = require('del');
var through      = require('through');
var opn          = require('opn');
var ghpages      = require('gh-pages');
var path         = require('path');
var isDist       = process.argv.indexOf('serve') === -1;

gulp.task('js', ['clean:js'], function() {
  return gulp.src('src/scripts/main.js')
    .pipe(isDist ? through() : plumber())
    .pipe(browserify({ transform: ['debowerify'], debug: !isDist }))
    .pipe(isDist ? uglify() : through())
    .pipe(rename('build.js'))
    .pipe(gulp.dest('dist/build'))
    .pipe(connect.reload());
});

gulp.task('html', ['clean:html'], function() {
  return gulp.src('src/index.jade')
    .pipe(isDist ? through() : plumber())
    .pipe(jade({ pretty: true }))
    .pipe(rename('index.html'))
    .pipe(gulp.dest('dist'))
    .pipe(connect.reload());
});

gulp.task('css', ['clean:css'], function() {
  return gulp.src('src/styles/main.less')
    .pipe(isDist ? through() : plumber())
    .pipe(less({
      'paths': ['./node_modules', './bower_components']
    }))
    .pipe(autoprefixer('last 2 versions', { map: false }))
    .pipe(isDist ? csso() : through())
    .pipe(rename('build.css'))
    .pipe(gulp.dest('dist/build'))
    .pipe(connect.reload());
});

gulp.task('images', ['clean:images'], function() {
  return gulp.src('src/images/**/*')
    .pipe(gulp.dest('dist/images'))
    .pipe(connect.reload());
});

gulp.task('clean', function(done) {
  del('dist', done);
});

gulp.task('clean:html', function(done) {
  del('dist/index.html', done);
});

gulp.task('clean:js', function(done) {
  del('dist/build/build.js', done);
});

gulp.task('clean:css', function(done) {
  del('dist/build/build.css', done);
});

gulp.task('clean:images', function(done) {
  del('dist/images', done);
});

gulp.task('connect', ['build'], function() {
  connect.server({
    root: 'dist',
    livereload: true
  });
});

gulp.task('open', ['connect'], function (done) {
  opn('http://localhost:8080', done);
});

gulp.task('watch', function() {
  gulp.watch('src/**/*.jade', ['html']);
  gulp.watch('src/styles/**/*.less', ['css']);
  gulp.watch('src/images/**/*', ['images']);
  gulp.watch([
    'src/scripts/**/*.js',
    'bespoke-theme-*/dist/*.js' // Allow themes to be developed in parallel
  ], ['js']);
});

gulp.task('deploy', ['build'], function(done) {
  ghpages.publish(path.join(__dirname, 'dist'), { logger: gutil.log }, done);
});

gulp.task('build', ['js', 'html', 'css', 'images']);

gulp.task('serve', ['open', 'watch']);

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