1'use strict'; 2 3// This example shows how to understand if a default value is used or not. 4 5// 1. const { parseArgs } = require('node:util'); // from node 6// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package 7const { parseArgs } = require('..'); // in repo 8 9const options = { 10 file: { short: 'f', type: 'string', default: 'FOO' }, 11}; 12 13const { values, tokens } = parseArgs({ options, tokens: true }); 14 15const isFileDefault = !tokens.some((token) => token.kind === 'option' && 16 token.name === 'file' 17); 18 19console.log(values); 20console.log(`Is the file option [${values.file}] the default value? ${isFileDefault}`); 21 22// Try the following: 23// node is-default-value.js 24// node is-default-value.js -f FILE 25// node is-default-value.js --file FILE 26