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x/yargs/index.cjs

yargs the modern, pirate-themed successor to optimist.
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'use strict';// classic singleton yargs API, to use yargs// without running as a singleton do:// require('yargs/yargs')(process.argv.slice(2))const {Yargs, processArgv} = require('./build/index.cjs');
Argv(processArgv.hideBin(process.argv));
module.exports = Argv;
function Argv(processArgs, cwd) { const argv = Yargs(processArgs, cwd, require); singletonify(argv); // TODO(bcoe): warn if argv.parse() or argv.argv is used directly. return argv;}
function defineGetter(obj, key, getter) { Object.defineProperty(obj, key, { configurable: true, enumerable: true, get: getter, });}function lookupGetter(obj, key) { const desc = Object.getOwnPropertyDescriptor(obj, key); if (typeof desc !== 'undefined') { return desc.get; }}
/* Hack an instance of Argv with process.argv into Argv so people can do require('yargs')(['--beeble=1','-z','zizzle']).argv to parse a list of args and require('yargs').argv to get a parsed version of process.argv.*/function singletonify(inst) { [ ...Object.keys(inst), ...Object.getOwnPropertyNames(inst.constructor.prototype), ].forEach(key => { if (key === 'argv') { defineGetter(Argv, key, lookupGetter(inst, key)); } else if (typeof inst[key] === 'function') { Argv[key] = inst[key].bind(inst); } else { defineGetter(Argv, '$0', () => inst.$0); defineGetter(Argv, 'parsed', () => inst.parsed); } });}