gulpfile.js

const del = require('del');
const gulp = require('gulp');
const merge = require('merge-stream');
const rename = require('gulp-rename');
const replace = require('gulp-replace');
const zip = require('gulp-zip');
const pages = require('gh-pages');
const sync = require('browser-sync').create();

gulp.task('prepare', () => {

    const shower = gulp.src([
            '**',
            '!docs{,/**}',
            '!node_modules{,/**}',
            '!prepared{,/**}',
            '!CONTRIBUTING.md',
            '!LICENSE.md',
            '!README.md',
            '!gulpfile.js',
            '!netlify.toml',
            '!package.json',
            '!package-lock.json'
        ])
        .pipe(replace(
            /(<link rel="stylesheet" href=")(node_modules\/shower-)([^\/]*)\/(.*\.css">)/g,
            '$1shower/themes/$3/$4', { skipBinary: true }
        ))
        .pipe(replace(
            /(<script src=")(node_modules\/shower-core\/)(shower.min.js"><\/script>)/g,
            '$1shower/$3', { skipBinary: true }
        ));

    const core = gulp.src([
            'shower.min.js'
        ], {
            cwd: 'node_modules/shower-core'
        })
        .pipe(rename( (path) => {
            path.dirname = 'shower/' + path.dirname;
        }));

    const material = gulp.src([
            '**', '!package.json'
        ], {
            cwd: 'node_modules/shower-material'
        })
        .pipe(rename( (path) => {
            path.dirname = 'shower/themes/material/' + path.dirname;
        }))

    const ribbon = gulp.src([
            '**', '!package.json'
        ], {
            cwd: 'node_modules/shower-ribbon'
        })
        .pipe(rename( (path) => {
            path.dirname = 'shower/themes/ribbon/' + path.dirname;
        }));

    const themes = merge(material, ribbon)
        .pipe(replace(
            /(<script src=")(\/shower-core\/)(shower.min.js"><\/script>)/,
            '$1../../$3', { skipBinary: true }
        ));

    return merge(shower, core, themes)
        .pipe(gulp.dest('prepared'));

});

gulp.task('clean', () => {
    return del('prepared/**');
});

gulp.task('zip', () => {
    return gulp.src('prepared/**')
        .pipe(zip('archive.zip'))
        .pipe(gulp.dest('.'));
});

gulp.task('upload', () => {
    return pages.publish('prepared')
});

gulp.task('archive', gulp.series(
    'prepare',
    'zip',
    'clean'
));

gulp.task('publish', gulp.series(
    'prepare',
    'upload',
    'clean'
));

gulp.task('serve', () => {
    sync.init({
        ui: false,
        notify: false,
        port: 3000,
        server: {
            baseDir: '.'
        }
    });
    gulp.watch('index.html').on('change', () => {
        sync.reload();
    });
});