gulpfile.js

const gulp = require('gulp');
const rename = require('gulp-rename');
const concat = require('gulp-concat');
const uglifyES = require('gulp-uglify-es').default;
const postcss = require('gulp-postcss');
const cleanCSS = require('gulp-clean-css');

gulp.task('css', () => gulp
  .src('src/**/*.css')
// eslint-disable-next-line global-require,import/no-unresolved
  .pipe(
    postcss([
      require('postcss-import'),
      require('tailwindcss/nesting'),
      require('tailwindcss'),
      require('autoprefixer'),
    ]),
  )
  .pipe(cleanCSS())
  .pipe(rename({ suffix: '.min' }))
  .pipe(gulp.dest('source')));

gulp.task('dom-event', () => gulp
  .src('src/js/dom-event/*.js')
  .pipe(concat('dom-event.js'))
  .pipe(uglifyES())
  .pipe(rename({ suffix: '.min' }))
  .pipe(gulp.dest('source/js')));

// gulp.task('search.js', () => gulp.src('src/js/search/*.js')
//   .pipe(concat('search.js'))
//   .pipe(uglifyES())
//   .pipe(rename({ suffix: '.min' }))
//   .pipe(gulp.dest('source/js')));

gulp.task('local-search', () => gulp
  .src('src/js/search/local-search/dist/bundle.js')
  .pipe(rename({ basename: 'local-search', suffix: '.min' }))
  .pipe(gulp.dest('source/js')));

gulp.task('light-gallery.js', () => gulp
  .src('src/js/light-gallery/*.js')
  .pipe(concat('light-gallery.js'))
  .pipe(uglifyES())
  .pipe(rename({ suffix: '.min' }))
  .pipe(gulp.dest('source/js')));

gulp.task('repository', () => gulp
  .src('src/js/repository/dist/bundle.js')
  .pipe(rename({ basename: 'repository', suffix: '.min' }))
  .pipe(gulp.dest('source/js')));

gulp.task('simple-js', () => gulp
  .src('src/js/*.js')
  .pipe(uglifyES())
  .pipe(rename({ suffix: '.min' }))
  .pipe(gulp.dest('source/js')));

gulp.task(
  'js',
  gulp.parallel(
    'dom-event',
    'light-gallery.js',
    'simple-js',
    'repository',
    'local-search',
  ),
);

gulp.task('build', gulp.parallel('css', 'js'));
gulp.task('default', gulp.parallel('build'));

gulp.task('watch', () => {
  gulp.watch('src/**', gulp.parallel('build'));
});