'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
})
}
})
}
