code: function lintStyles() {
    // Pass all command line flags to Stylelint.
    const options = minimist( process.argv.slice( 2 ) );
    const willFix = options.fix || false;
    return gulp.src( [
      'packages/**/*.less',
      '!packages/cf-*/node_modules/**/*.less',
      '!packages/cf-grid/src-generated/*.less'
    ] )
      .pipe( gulpStylelint( {
        failAfterError: true,
        fix: willFix,
        reporters: [ { formatter: 'string', console: true } ]
      } ) )
      .pipe( gulp.dest( 'packages' ) );
  }
docs: Lints the source LESS files for errors.
  @returns {Object} An output stream from gulp.