that was pretty easy

gulpfile.mjs

@@ -0,0 +1,175 @@
+import fs from 'fs';
+import path from 'path';
+import gulp from 'gulp';
+import gulpAutoPrefixer from "gulp-autoprefixer";
+import gulpEslint from 'gulp-eslint';
+import gulpHeader from "gulp-header";
+import gulpRename from "gulp-rename";
+import gulpReplace from "gulp-replace";
+import archiver from 'archiver';
+import glob from 'glob';
+import del from 'del';
+import modernizr from 'modernizr';
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
+const pkg = require('./package.json');
+const modernizrConfig = require('./modernizr-config.json');
+
+const dirs = pkg['h5bp-configs'].directories;
+
+// ---------------------------------------------------------------------
+// | Helper tasks                                                      |
+// ---------------------------------------------------------------------
+
+gulp.task('archive:create_archive_dir', (done) => {
+  fs.mkdirSync(path.resolve(dirs.archive), '0755');
+  done();
+});
+
+gulp.task('archive:zip', (done) => {
+  const archiveName = path.resolve(dirs.archive, `${pkg.name}_v${pkg.version}.zip`);
+  const zip = archiver('zip');
+  const files = glob.sync('**/*.*', {
+    'cwd': dirs.dist,
+    'ignore': [
+      '**/node_modules/**',
+      'package-lock.json',
+      '**/dist/**',
+      '**/.cache/**',
+    ],
+    'dot': true // include hidden files
+  });
+  const output = fs.createWriteStream(archiveName);
+
+  zip.on('error', (error) => {
+    done();
+    throw error;
+  });
+
+  output.on('close', done);
+
+  files.forEach((file) => {
+    const filePath = path.resolve(dirs.dist, file);
+
+    // `zip.bulk` does not maintain the file
+    // permissions, so we need to add files individually
+    zip.append(fs.createReadStream(filePath), {
+      'name': file,
+      'mode': fs.statSync(filePath).mode
+    });
+  });
+
+  zip.pipe(output);
+  zip.finalize();
+  done();
+});
+
+gulp.task('clean', (done) => {
+  del([
+    dirs.archive,
+    dirs.dist
+  ]).then(() => {
+    done();
+  });
+});
+
+gulp.task('copy:index.html', () => {
+
+  let modernizrVersion = pkg.devDependencies.modernizr;
+
+  return gulp.src(`${dirs.src}/index.html`)
+    .pipe(gulpReplace(/{{MODERNIZR_VERSION}}/g, modernizrVersion))
+    .pipe(gulp.dest(dirs.dist));
+});
+
+gulp.task('copy:license', () =>
+  gulp.src('LICENSE.txt')
+    .pipe(gulp.dest(dirs.dist))
+);
+
+gulp.task('copy:style', () => {
+  const banner = `/*! HTML5 Boilerplate v${pkg.version} | ${pkg.license} License | ${pkg.homepage} */\n\n`;
+
+  return gulp.src('node_modules/main.css/dist/main.css')
+    .pipe(gulpHeader(banner))
+    .pipe(gulpAutoPrefixer({
+      cascade: false
+    }))
+    .pipe(gulpRename({
+      basename: 'style'
+    }))
+    .pipe(gulp.dest(`${dirs.dist}/css`));
+});
+
+gulp.task('copy:misc', () =>
+  gulp.src([
+    // Copy all files
+    `${dirs.src}/**/*`,
+
+    // Exclude the following files
+    // (other tasks will handle the copying of these files)
+    `!${dirs.src}/css/main.css`,
+    `!${dirs.src}/index.html`
+  ], {
+    // Include hidden files by default
+    dot: true
+  }).pipe(gulp.dest(dirs.dist))
+);
+
+gulp.task('copy:normalize', () =>
+  gulp.src('node_modules/normalize.css/normalize.css')
+    .pipe(gulp.dest(`${dirs.dist}/css`))
+);
+
+gulp.task('modernizr', (done) => {
+  // TODO: rework this flow instead of just reacting to the fact that the jQuery step is gone
+  if (!fs.existsSync(`${dirs.dist}/js/vendor/`)){
+    fs.mkdirSync(`${dirs.dist}/js/vendor/`);
+  }
+
+  modernizr.build(modernizrConfig, (code) => {
+    fs.writeFile(`${dirs.dist}/js/vendor/modernizr-${pkg.devDependencies.modernizr}.min.js`, code, done);
+  });
+});
+
+gulp.task('lint:js', () =>
+  gulp.src([
+    `${dirs.src}/js/*.js`,
+    `${dirs.test}/*.js`
+  ]).pipe(gulpEslint())
+    .pipe(gulpEslint.failOnError())
+);
+
+// ---------------------------------------------------------------------
+// | Main tasks                                                        |
+// ---------------------------------------------------------------------
+gulp.task(
+  "copy",
+  gulp.series(
+    "copy:index.html",
+    "copy:license",
+    "copy:style",
+    "copy:misc",
+    "copy:normalize"
+  )
+);
+
+gulp.task(
+  'build',
+  gulp.series(
+    gulp.parallel('clean', 'lint:js'),
+    'copy',
+    'modernizr'
+  )
+);
+
+gulp.task(
+  'archive',
+  gulp.series(
+    'build',
+    'archive:create_archive_dir',
+    'archive:zip'
+  )
+);
+
+gulp.task('default', gulp.series('build'));