allows notification to be done with script instead of server

Allows notification to be done with script instead of server, exposing
a single 'call' method. Global installation is not required in this
point.

lib/node-osx-notifier.js

@@ -63,13 +63,30 @@ function route(req, res) {
 	});
 }
 
-// setup routes
-server.use(express.bodyParser());
-server.get('/:type', command.bind('query'), route);
-server.post('/:type', command.bind('body'), route);
+if(!module.parent) {
+	// setup routes
+	server.use(express.bodyParser());
+	server.get('/:type', command.bind('query'), route);
+	server.post('/:type', command.bind('body'), route);
 
-// start server
-console.info('starting server...');
-server.listen(port, hostname, function(){
-	console.info('server started:', 'http://'+hostname+':'+port);
-});
+	// start server
+	console.info('starting server...');
+	server.listen(port, hostname, function(){
+		console.info('server started:', 'http://'+hostname+':'+port);
+	});
+} else {
+	module.exports = {
+		call: function(type, args, cb) {
+			console.info.apply(console, ['Notifying >'].concat([type], args));
+
+			var file = binary.replace('{type}', type);
+			var method_args = [];
+			Object.keys(args).forEach(function(arg){
+				method_args.push('-' + arg);
+				method_args.push(args[arg]);
+			});
+
+			execute(file, method_args, cb);
+		}
+	};
+}

package.json

@@ -28,7 +28,6 @@
 	"engines":{
 		"node":">= 0.8.0"
 	},
-	"preferGlobal":"true",
 	"bin":{
 		"node-osx-notifier":"lib/node-osx-notifier.js"
 	},