import gulp from 'gulp'

gulp.task('compile:watch', (done) => {
  let watcher = gulp.watch('src/**/*.js');
  watcher.on('change', () => {
    gulp.src('src/**/*.js')
      .pipe(gulp.dest('dist'));
  });
  done();
});

gulp.task('callback', () => {
  console.log('hi!');
});

gulp.task('serve', ['compile:watch'], () => {
  gulp.watch('dist/**/*.js', ['callback']);
});