forked from zhurui/management
32 lines
853 B
JavaScript
32 lines
853 B
JavaScript
// 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(function (key) {
|
|
if (key === 'argv') {
|
|
Argv.__defineGetter__(key, inst.__lookupGetter__(key))
|
|
} else {
|
|
Argv[key] = typeof inst[key] === 'function' ? inst[key].bind(inst) : inst[key]
|
|
}
|
|
})
|
|
}
|