text: const gulp = require('gulp');
  const zip = require('gulp-zip');
  
  function zipExtension(browserName) {
    return gulp.src([`build/${browserName}/**`])
      .pipe(zip(`${browserName}.zip`))
      .pipe(gulp.dest('./dist'));
  }
  
  gulp.task('zip-chrome', () => {
    return zipExtension('chrome');
  });
  
  gulp.task('zip-firefox', () => {
    return zipExtension('firefox');
  });
  
  gulp.task('zip', gulp.parallel('zip-chrome', 'zip-firefox'));