Added a check for the existence of the images directory, and an argum…

…ent to set the images directory

lib/ever-layout-bridge.js

@@ -1,12 +1,26 @@
 var http = require('http');
 var fs = require("fs");
 var url = require("url");
+var args = require("minimist")(process.argv.splice(2));
+
+// Directory of layout files
+var layoutDirectory = args.layouts;
+if (! layoutDirectory) layoutDirectory = "Layouts";
+
+// Directory of images
+var imageDirectory = args.images
+if (! imageDirectory) imageDirectory = "Images"
+
+// Listening port
+var port = args.port;
+if (! port) port = 3000;
+
 var server = http.createServer(function(req , res){
 	var request = url.parse(req.url , true);
 	var action = request.pathname;
 	console.log(action);
 
-	var imagePath = "images" + action;
+	var imagePath = imageDirectory + action;
 	if (fs.existsSync(imagePath)) {
 		var image = fs.readFileSync("images" + action);
 		console.log("Serving image " + action);
@@ -17,23 +31,19 @@ var server = http.createServer(function(req , res){
 	}
 });
 
-var socket = require("socket.io")(server);
-var args = require("minimist")(process.argv.splice(2));
-
-// Directory of layout files
-var directory = args.dir;
-if (! directory) directory = "Layouts";
-
-// Listening port
-var port = args.port;
-if (! port) port = 3000;
-
 // Make sure this directory exists
-if (fs.existsSync(directory) == false) {
-	console.log("Could not find directory: " + directory);
+if (fs.existsSync(layoutDirectory) == false) {
+	console.log("Could not find directory: " + layoutDirectory);
 	process.exit();
 }
 
+if (fs.existsSync(imageDirectory) == false) {
+	console.log("Could not find the images directory: " + imageDirectory);
+	console.log("Images cannot be served.")
+}
+
+// Create sockets
+var socket = require("socket.io")(server);
 socket.on("connection" , function(client){
 	console.log("Connected");
 
@@ -51,8 +61,8 @@ socket.on("connection" , function(client){
 });
 
 // Watch the layouts directory for changes
-fs.watch(directory , function(event , filename){
-	fs.readFile(directory + "/" + filename , function(err , data){
+fs.watch(layoutDirectory , function(event , filename){
+	fs.readFile(layoutDirectory + "/" + filename , function(err , data){
 		if (err) return console.log("There was an error");
 		console.log("Serving " + filename);
 		// Parse the JSON from the file