--- /dev/null
+'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 {
+ Argv[key] = typeof inst[key] === 'function' ? inst[key].bind(inst) : inst[key]
+ }
+ })
+}