modify docs

README.md

@@ -44,32 +44,32 @@ http.createServer(app).listen(3000);
 ~$ npm run benchmark
 ```
 
-> 2 GHz Intel Core i7 / 8 GB 1600 MHz DDR3 / v4.1.2
+> MacBook Pro (Retina, 15-inch, Mid 2015) 2.2 GHz Intel Core i7 / 16 GB 1600 MHz DDR3 / 10.13.0
 
 ```bash
   1 middleware
-  17710.10
+  22756.60
 
   5 middleware
-  19057.27
+  21743.43
 
   10 middleware
-  17320.05
+  21241.57
 
   15 middleware
-  16792.36
+  19995.93
 
   20 middleware
-  20580.80
+  19074.04
 
   30 middleware
-  16053.46
+  18365.52
 
   50 middleware
-  19124.45
+  16786.10
 
   100 middleware
-  16800.39
+  12842.54
 ```
 
 ### Test

benchmarks/middleware.js

@@ -14,11 +14,12 @@ while (n--) {
   });
 }
 
-var body = new Buffer('Hello World');
+var body = Buffer.from('Hello World');
 
-app.use(function(req, res, next){
+app.use(async (req, res, next) => {
   res.statusCode = 200;
   res.end(body);
+  next();
 });
 
 http.createServer(app).listen(3333);

docs/installation.md

@@ -3,14 +3,23 @@
 firstly, download [node.js][node.js] from [node.js official website ][node.js], and ...
 
 ```bash
-mkdir myapp
-git init
-npm init
-npm install kelp --save
+~$ mkdir myapp
+~$ git init
+~$ npm init
+~$ npm install kelp --save
 ```
 
 ```js
-const app = require('kelp')();
+const http = require('http');
+const kelp = require('kelp');
+
+const app = kelp();
+
+app.use(async (req, res, next) => {
+  res.end('hello world');
+});
+
+http.createServer(app).listen(3000);
 ```
 
 ---

docs/middlewares.md

@@ -1,19 +1,19 @@
 
 # Middleware
 
-|name|description|
-|-|
-|kelp-body|parse request for kelp
+| name      | description |
+|:--        | :--         |
+|kelp-body  |parse request for kelp
 |kelp-logger|kelp logger
-|kelp-send|ultimate library for send response
-|kelp-gzip|gzip for kelp
-|kelp-etag|etag for kelp
-|kelp-auth|basic auth for kelp
+|kelp-send  |ultimate library for send response
+|kelp-gzip  |gzip for kelp
+|kelp-etag  |etag for kelp
+|kelp-auth  |basic auth for kelp
 |kelp-static|serve static files for kelp
 |kelp-cookie|cookie parser for kelp
 |kelp-render|render template for kelp
 |kelp-session|session manager for kelp
-|kelp-co|wrap generator for kelp|
-|kelp-error|kelp error handler
-|kelp-proxy|proxy request to another backend
+|kelp-co    |wrap generator for kelp|
+|kelp-error |kelp error handler
+|kelp-proxy |proxy request to another backend
 |kelp-config|Simple light-weight configuration for kelp :sparkles:

index.js

@@ -11,12 +11,10 @@ function Kelp() {
    * @return {[type]}     [undefined]
    */
   function app(req, res) {
-    let self = this, i = -1;
+    var self = this, i = -1, mw;
     (async function next(err) {
-      const middleware = app.stack[++i];
-      if (typeof middleware == 'function') {
-        return middleware.call(self, req, res, next, err);
-      }
+      mw = app.stack[++i];
+      return mw && mw.call(self, req, res, next, err);
     })();
   };
   /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "kelp",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "dead simple nodejs http web framework",
   "main": "index.js",
   "scripts": {