added res.json() function

README.md

@@ -90,6 +90,11 @@ In the future, it will be possible to control the logging level.
 
 In the future, there will be middleware for POST request too.
 
+### Modifications to the request and response objects
+
+* `req.urlobj`: The result of `url.parse(req.url)`.
+* `res.json(object)`: A utility function to respond with JSON.
+
 ### webframe.static(root[, before])
 
 Serve static files.

index.js

@@ -12,6 +12,13 @@ function template(tpml, args) {
 	return tpml;
 }
 
+function resJson(obj) {
+	res.writeHead(200, {
+		"content-type": "application/json"
+	});
+	this.end(JSON.stringify(obj));
+}
+
 class App {
 	constructor(options) {
 		options = options || {};
@@ -55,6 +62,7 @@ class App {
 
 		// Listen for requests
 		this.server.on("request", (req, res) => {
+			res.json = resJson;
 			var url = urllib.parse(req.url);
 			req.urlobj = url;
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "webframe",
-  "version": "0.1.4",
+  "version": "0.2.0",
   "description": "Web server.",
   "main": "index.js",
   "scripts": {