DefectingCat.github.io/Gulpfile.js

const { series, parallel } = require('gulp');
const { src, dest } = require('gulp');
const cleanCSS = require('gulp-clean-css');
const htmlmin = require('gulp-htmlmin');
const uglify = require('gulp-uglify-es').default;
const htmlclean = require('gulp-htmlclean');

function html() {
    return src('./public/**/*.html')
        .pipe(htmlclean())
        .pipe(htmlmin({ 
            collapseWhitespace: true,
            removeComments: true,
            minifyJS: true,
            minifyCSS: true,
            minifyURLs: true
         }))
        .pipe(dest('./public'))
};

function css() {
    return src('./public/**/*.css')
        .pipe(cleanCSS())
        .pipe(dest('./public'))
};

function js() {
    return src('public/**/*.js')
        .pipe(uglify())
        .pipe(dest('./public'))
}

exports.default = parallel(html, css, js);