gulpfile for codeofcliber blog

gulpfile.js

var gulp = require('gulp');

// build tasks
var childProcess = require('child_process');
gulp.task('jekyll', function(cb) {
    var child = childProcess.exec('jekyll build', function(error, stdout, stderr) {
        cb(error);
    });
});

var htmlmin = require('gulp-htmlmin');
gulp.task('htmlmin', function() {
    return gulp.src('./_site/**/*.html')
        .pipe(htmlmin({
            collapseWhitespace: true,
            removeComments: true,
            conservativeCollapse: true,
            collapseBooleanAttributes: true,
            removeRedundantAttributes: true,
            removeEmptyAttributes: true,
            removeEmptyElements: true,
            lint: false,
            minifyJS: true,
            minifyCSS: true,
        }))
        .pipe(gulp.dest('./_site/'));
});

var minifycss = require('gulp-minify-css');
var autoprefixer = require('gulp-autoprefixer');
gulp.task('build-css', function() {
    return gulp.src('./_site/css/*.css')
        .pipe(minifycss())
        .pipe(autoprefixer({
            browsers: ['> 1%'],
            cascade: false,
        }))
        .pipe(gulp.dest('./_site/css'));
});

var jsValidate = require('gulp-jsvalidate');
var uglify = require('gulp-uglify');
gulp.task('build-js', function() {
    return gulp.src('./_site/js/**/*.js')
        .pipe(jsValidate())
        .pipe(uglify())
        .pipe(gulp.dest('./site/js/'));
});

gulp.task('copy_bower_components', function() {
    gulp.src([
        'bower_components/bootstrap/dist/css/bootstrap.min.css',
        'bower_components/bootstrap/dist/css/bootstrap-theme.min.css',
        'bower_components/fontawesome/css/font-awesome.min.css',
        'bower_components/normalize.css/normalize.css'
        ]).pipe(gulp.dest('./_site/vendor/css/'));
    gulp.src([
        'bower_components/bootstrap/dist/fonts/*',
        'bower_components/fontawesome/fonts/*',
        ]).pipe(gulp.dest('./_site/vendor/fonts/'));
    gulp.src([
        'bower_components/bootstrap/dist/js/bootstrap.min.js',
        'bower_components/jquery/dist/jquery.min.js',
        ]).pipe(gulp.dest('./_site/vendor/js/'));
});

gulp.task('build', [ 'jekyll' ], function() {
    gulp.run('copy_bower_components');
    gulp.run('build-css');
    gulp.run('htmlmin');
});

// check tasks
var bootlint = require('gulp-bootlint');
var html5Lint = require('gulp-html5-lint');
var htmlhint = require("gulp-htmlhint");
gulp.task('check-html', function() {
    return gulp.src('./_site/**/*.html')
        .pipe(html5Lint())
        .pipe(htmlhint())
        .pipe(bootlint());
});

var scsslint = require('gulp-scss-lint');
gulp.task('check-scss', function() {
    gulp.src([ './_sass/**/*.scss' ])
        .pipe(scsslint())
});

gulp.task('check', [ 'check-html', 'check-scss' ], function() {});

// default task
gulp.task('default', [ 'build' ], function() {});

// serve task
var webserver = require('gulp-webserver');
gulp.task('serve', function() {
    gulp.src('./_site/')
        .pipe(webserver({
            host: "localhost",
            port: 4000,
            open: true,
        }));
});

gulp.task('run', [ 'default' ], function() {
    gulp.run('serve');
});

package.json

{
  "name": "hal-blog",
  "version": "1.0.0",
  "description": "My blog based on Jekyll",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "jekyll",
    "blog"
  ],
  "author": "halex2005",
  "license": "BSD-2-Clause",
  "devDependencies": {
    "gulp": "~3.8.11",
    "gulp-autoprefixer": "^2.1.0",
    "gulp-bootlint": "~0.3.0",
    "gulp-concat": "^2.5.2",
    "gulp-html5-lint": "~1.0.1",
    "gulp-htmlhint": "0.0.9",
    "gulp-htmlmin": "~1.1.1",
    "gulp-jsvalidate": "^2.0.0",
    "gulp-minify-css": "~1.0.0",
    "gulp-scss-lint": "^0.1.10",
    "gulp-uglify": "^1.1.0",
    "gulp-webserver": "^0.9.0"
  }
}