code: function _genericLintJs( src ) {
    // Pass all command line flags to ESLint.
    const options = minimist( process.argv.slice( 2 ) );
    let errorHandler = through2.obj();
  
    if ( options.travis ) {
      options.quiet = true;
      errorHandler = gulpEslint.failAfterError();
    }
  
    return gulp.src( src.concat( '!**/node_modules/**' ), { base: './' } )
      .pipe( gulpEslint( options ) )
      .pipe( gulpEslint.format() )
      .pipe( errorHandler )
      .pipe( gulp.dest( './' ) )
      .on( 'error', handleErrors );
  }
docs: Generic lint a script source.
  @param {string} src The path to the source JavaScript.
  @returns {Object} An output stream from gulp.