Add basic argument parsing

README.md

@@ -20,7 +20,7 @@ Quick and dirty. Based off Microsoft Comic Chat. Uses node.js and websockets.
 1. `npm install` or `yarn install`
 2. Change address of server in `client/js/client.js`, or supply it via a query param `http://example.com?server=ws://localhost:8084`
 3. Change port of server in `server/server.js`
-4. `node server/server.js` or `npm start`
+4. `node server/server.js` or `npm start`, args `--port 8084` (default), `--historySize 500` (default)
 5. Visit `client/index.html`
 
 ## Deploy

package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "http-server": "^0.11.1",
+    "minimist": "^1.2.0",
     "websocket": "~1.0.22"
   },
   "devDependencies": {

server/server.js

@@ -2,6 +2,8 @@
 
 process.title = 'comicchat-server';
 
+var args = require('minimist')(process.argv.slice(2));
+
 // Basic global logger -- replace with library
 function log (text) {
   console.log((new Date()) + ' ' + text);
@@ -10,11 +12,16 @@ function log (text) {
 var http = require('http');
 var websocketServer = require('websocket').server;
 
-var wsServerPort = 8084;
-var historySize = 500;
+var wsServerPort = args.port || 8084;
+var historySize = args.historySize || 500;
 var clients = [];
 var rooms = {};
 
+console.log("Config:", {
+  wsServerPort: wsServerPort,
+  historySize: historySize
+});
+
 // Dummy HTML server for websocket server to hook into
 var httpServer = http.createServer(function () {});
 httpServer.listen(wsServerPort, function () {