text: const gulp = require('gulp');
  const { argv } = require('yargs');
  const w3cjs = require('gulp-w3cjs');
  const through = require('through2');
  const ansi = require('ansi');
  
  const { paths, baseDir } = require('./utils');
  
  const cursor = ansi(process.stdout);
  
  /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  |   w3c validation for HTML
  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  gulp.task('w3cjs', (done) => {
    let htmlfiles = `${baseDir}/${paths.pug.dest}/**/*.html`;
    if (argv.html) {
      htmlfiles = `${paths.dir.dev}/${argv.html}.html`;
      cursor.hex('#00ffff').bold();
      console.log('html: ', htmlfiles);
      cursor.reset();
    }
  
    return gulp
      .src(htmlfiles)
      .pipe(w3cjs())
      .pipe(
        through.obj((file, enc, cb) => {
          console.log({
            url: file.history[0],
            ...(!file.w3cjs.success ? { ...file.w3cjs } : {}),
          });
          cb();
        })
      )
      .pipe(w3cjs.reporter())
      .on('end', () => {
        done();
      });
  });
  
  gulp.task('w3c', gulp.series('w3cjs'));
  