TSergey93

function compileJade(done) {
  gulp.src('src/jade/*.jade')
    .pipe(plumber())
    .pipe(jade())
    .pipe(gulp.dest('build/'))
    .pipe(server.reload({ stream: true }));
  
  
  done()
}

function compileScss(done) {
  gulp.src([
    'src/sass/*.scss',
    '!src/sass/mixins.scss',
    '!src/sass/normalize.scss',
    '!src/sass/variable.scss'
  ])
    .pipe(plumber())
    .pipe(sass({ outputStyle: 'compressed' }).on('error', sass.logError))
    .pipe(postcss([
      autoprefixer({
        browsers: [
          "last 1 version",
          "last 2 Chrome versions",
          "last 2 Firefox versions",
          "last 2 Opera versions",
          "last 2 Edge versions"
        ],
        grid: true
      })
    ]))
    .pipe(gcmq())
    .pipe(minify())
    .pipe(gulp.dest('build/css'))
    .pipe(server.reload({ stream: true }));
  
  
  done()
}

function compileScripts(done) {
  gulp.src('src/js/*.js')
    .pipe(plumber())
    .pipe(jsmin())
    .pipe(gulp.dest('build/js/'))
    .pipe(server.reload({ stream: true }));
  
  
  done()
}

function makeHash(done) {
  gulp.src('build/index.html')
    .pipe(hash())
    .pipe(gulp.dest('build'));
  
  
  done()
}

function watcher(done) {
  server.init({
    server: 'build'
  });
  
  gulp.watch('src/sass/**/*.scss', gulp.series(compileScss, makeHash));
  gulp.watch('src/**/*.jade', gulp.series(compileJade, makeHash));
  gulp.watch('src/js/*.js', gulp.series(compileScripts, makeHash));
  
  
  done()
}

module.exports = {
  default: watcher,
  watcher,
  build: gulp.series(
    compileJade,
    compileScss,
    compileScripts,
    makeHash
  ),
  jade: compileJade,
  style: compileScss,
  script: compileScripts,
  hash: makeHash
}