update readme

README.md

@@ -2,24 +2,49 @@
 
 > stream stuff
 
+- Nothing is stored; only streamed.
+- Originally created this to quickly share data and files between devices.
+- Path names map to channels.
+- Anyone in the same channel can view what's streamed.
+
+[https://streamhut.net](https://streamhut.net)
+
 ## Usage
 
 Start server
 
 ```bash
-npm start
+$ npm start
+
+Listening on port 8956
 ```
 
-Build client
+Start server on specific port
 
 ```bash
-npm run build
+$ PORT=8080 npm start
+
+Listening on port 8080
+```
+
+## Development
+
+Watch and build client scripts
+
+```bash
+$ npm run watch
+```
+
+Build client scripts
+
+```bash
+$ npm run build
 ```
 
 ## CLI
 
 ```bash
-npm install -g streamhut
+$ npm install -g streamhut
 ```
 
 ```bash
@@ -70,6 +95,34 @@ $ streamhut -help
     -f, --file <filepath>  file to send
 ```
 
+Listening on a channel
+
+```bash
+$ streamhut listen -h streamhut.net -c yo
+connected to wss://streamhut.net/yo
+
+received Fri Jun 30 2017 14:40:14 GMT-0700 (PDT):
+
+hello
+
+```
+
+Posting text data to a channel
+
+```bash
+$ streamhut post -h streamhut.net -c yo -t "hello"
+posting data to wss://streamhut.net/yo:
+
+hello
+
+```
+
+## Test
+
+```bash
+npm test
+```
+
 ## License
 
 MIT

cli.js

@@ -10,7 +10,10 @@ const packageJson = require('./package.json')
 
 const art = fs.readFileSync('./hut.txt', 'utf8')
 
-console.log(art)
+if (process.argv.indexOf('--help') > -1 &&
+  process.argv.length === 3) {
+  console.log(art)
+}
 
 program
   .version(packageJson.version)
@@ -36,7 +39,7 @@ program
     } = program
 
     if (!host || !channel) {
-      program.help()
+      showHelp()
       return false
     }
 
@@ -54,15 +57,22 @@ program
         text,
         file
       })
+    } else {
+      showHelp()
     }
   })
   .parse(process.argv)
 
 if (!program.args.length) {
-  program.help()
+  showHelp()
   return false
 }
 
+function showHelp() {
+  console.log(art)
+  program.help()
+}
+
 function listen(props) {
   const url = constructWebsocketUrl(props)
   const ws = new WebSocket(url)
@@ -101,7 +111,7 @@ function post(props) {
   ws.binaryType = 'arraybuffer'
 
   ws.on('open', () => {
-    console.log(`posting data to ${url}:\n\n`, text)
+    console.log(`posting data to ${url}:\n\n${text}\n`)
     const mime = 'text/plain'
     const arrayBuffer = str2ab(text)
     const abWithMime = arrayBufferWithMime(arrayBuffer, mime)