ลบไฟล์ min.css ทั้งหมดออกจากไดเร็กทอรีด้วย Gulp

var gulp = require("gulp"),
  rimraf = require("rimraf"),
  concat = require("gulp-concat"),
  cssmin = require("gulp-cssmin"),
  uglify = require("gulp-uglify"),
  sass = require('gulp-sass'),
  rename = require('gulp-rename'),
  del = require('del');


var paths = {
    webroot: "./wwwroot/"
};

paths.cssMinOutputPath = paths.webroot + "css";

gulp.task("clean:min.css", function (cb) {
    del([paths.cssMinOutputPath, "*.min.css"], cb);
});