1'use strict'; 2module.exports = (flag, argv) => { 3 argv = argv || process.argv; 4 const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--'); 5 const pos = argv.indexOf(prefix + flag); 6 const terminatorPos = argv.indexOf('--'); 7 return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos); 8}; 9