Gulp build

gulpfile.js

gulp.task("build:html", function() {
  var cssFilter = $.filter(path.styles.css);
  var jsFilter =  $.filter(path.scripts.distjs);
  var gutil = require('gulp-load-utils')(['log']);

  return gulp.src(path.html.rawBase)
    .pipe($.useref.assets().on("error", gutil.log))
    .pipe(jsFilter)
    .pipe(jsFilter.restore())
    .pipe(cssFilter)
    .pipe($.csso())
    .pipe(cssFilter.restore())
    .pipe($.rev())
    .pipe($.useref.restore())
    .pipe($.useref())
    .pipe($.revReplace())
    .pipe($.rename('base.html'))
    .pipe(gulp.dest(path.html.base))
    .pipe($.size({title: 'html'}));
});

gulp.task('build:css', function() {
    return gulp.src(path.styles.css)
        .pipe($.csso())
        .pipe($.rename({
          suffix: ".min",
        }))
        .pipe(gulp.dest(path.dist));
});

gulp.task('build:rev', function () {
    return gulp.src([path.styles.css, path.scripts.distjs])
        .pipe($.rev())
        .pipe(gulp.dest(path.dist))  // write rev'd assets to build dir
        .pipe($.rev.manifest())
        .pipe(gulp.dest(path.dist)); // write manifest to build dir
});

gulp.task('build', function (cb) {
  runSequence('build:css', 'build:rev', ['build:html'], cb);
});