node/deps/npm/node_modules/yargs/index.js
claudiahdz db54b57042 deps: upgrade npm to 6.14.7
PR-URL: https://github.com/nodejs/node/pull/34468
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2020-07-26 22:30:56 -07:00

40 lines
1020 B
JavaScript

'use strict'
// classic singleton yargs API, to use yargs
// without running as a singleton do:
// require('yargs/yargs')(process.argv.slice(2))
const yargs = require('./yargs')
Argv(process.argv.slice(2))
module.exports = Argv
function Argv (processArgs, cwd) {
const argv = yargs(processArgs, cwd, require)
singletonify(argv)
return argv
}
/* 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).forEach((key) => {
if (key === 'argv') {
Argv.__defineGetter__(key, inst.__lookupGetter__(key))
} else if (typeof inst[key] === 'function') {
Argv[key] = inst[key].bind(inst)
} else {
Argv.__defineGetter__('$0', () => {
return inst.$0
})
Argv.__defineGetter__('parsed', () => {
return inst.parsed
})
}
})
}