upgrade dependencies

1 files changed, 19 insertions, 10 deletions

diff --git a/node_modules/yargs/README.md b/node_modules/yargs/README.md
index 867118bfe..84f8fea10 100644
--- a/node_modules/yargs/README.md
+++ b/node_modules/yargs/README.md
@@ -1,12 +1,19 @@
 # Yargs
 
+_Yargs is developed on evenings and weekends by
+volunteers. Why not grab them dinner or a drink?_
+
+[![Support via Gratipay](https://cdn.rawgit.com/gratipay/gratipay-badge/2.3.0/dist/gratipay.svg)](https://gratipay.com/yargs/)
+
 [![Build Status][travis-image]][travis-url]
 [![Coverage Status][coveralls-image]][coveralls-url]
 [![NPM version][npm-image]][npm-url]
 [![Windows Tests][windows-image]][windows-url]
 [![js-standard-style][standard-image]][standard-url]
 [![Conventional Commits][conventional-commits-image]][conventional-commits-url]
-[![Gitter][gitter-image]][gitter-url]
+[![Slack][slack-image]][slack-url]
+
+_Having problems? want to contribute? join our [community slack](http://devtoolscommunity.herokuapp.com)_.
 
 > Yargs be a node.js library fer hearties tryin' ter parse optstrings.
 
@@ -53,12 +60,13 @@ Retreat from the xupptumblers!
 
 ```js
 #!/usr/bin/env node
-const yargs = require('yargs') // eslint-disable-line
-  .command('serve', 'start the server', (yargs) => {
-    yargs.option('port', {
-      describe: 'port to bind on',
-      default: 5000
-    })    
+require('yargs') // eslint-disable-line
+  .command('serve [port]', 'start the server', (yargs) => {
+    yargs
+      .positional('port', {
+        describe: 'port to bind on',
+        default: 5000
+      })
   }, (argv) => {
     if (argv.verbose) console.info(`start server on :${argv.port}`)
     serve(argv.port)
@@ -67,10 +75,11 @@ const yargs = require('yargs') // eslint-disable-line
     alias: 'v',
     default: false
   })
-  .help()
   .argv
 ```
 
+Run the example above with `--help` to see the help for the application.
+
 ## Table of Contents
 
 * [Yargs' API](/docs/api.md)
@@ -99,5 +108,5 @@ const yargs = require('yargs') // eslint-disable-line
 [standard-url]: http://standardjs.com/
 [conventional-commits-image]: https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg
 [conventional-commits-url]: https://conventionalcommits.org/
-[gitter-image]: https://img.shields.io/gitter/room/nwjs/nw.js.svg?maxAge=2592000
-[gitter-url]: https://gitter.im/yargs/Lobby?utm_source=share-link&utm_medium=link&utm_campaign=share-link
+[slack-image]: http://devtoolscommunity.herokuapp.com/badge.svg
+[slack-url]: http://devtoolscommunity.herokuapp.com