moving to koa 2.0; + api

src/server.js

@@ -1,7 +1,8 @@
 import path from 'path';
-import koa from 'koa';
+import Koa from 'koa';
 import serve from 'koa-static';
 import logger from 'koa-logger';
+import convert from 'koa-convert';
 import conditional from 'koa-conditional-get';
 import etag from 'koa-etag';
 import prerender from 'koa-prerender';
@@ -11,40 +12,42 @@ import bodyParser from 'koa-bodyparser';
 import config from './config';
 import {redirectionTable} from './config';
 import {routes, queryObject} from './routes';
-// import api from './routes/api';
+import api from './routes/api';
 import {redirect} from './routes/redirect';
 
 const dirPublic = path.join(__dirname, '../public');
 const dirTemplates = path.join(__dirname, 'templates');
 
 export function server(){
-    const app = koa();
+    const $ = convert;
+    
+    const app = new Koa();
     app.proxy = true;
 
     app.use(bodyParser());
-    app.use(logger());
-    // api(app);
-    app.use(conditional());
-    app.use(etag());
+    app.use($(logger()));
+    app.use(api());
+    app.use($(conditional()));
+    app.use($(etag()));
     app.use(prerenderRmFragment());
-    app.use(prerender(config.prerender));
-    app.use(serve(dirPublic));
-    app.use(serve(dirTemplates));
-    app.use(redirect(redirectionTable));
-    app.use(helmet());
+    app.use($(prerender(config.prerender)));
+    app.use($(serve(dirPublic)));
+    app.use($(serve(dirTemplates)));
+    app.use($(redirect(redirectionTable)));
+    app.use($(helmet()));
     app.use(queryObject());
-    routes(app);
+    app.use(routes());
     
     return app;
 }
 
 function prerenderRmFragment(){
-    return function *(next) {
-        yield* next;
+    return async (ctx, next) => {
+        await next();
 
         try {
-            let xp = this.response.header['x-prerender'] == 'true';
-            if (xp) this.body = this.body.replace('<meta name="fragment" content="!">', '');
+            let xp = ctx.response.header['x-prerender'] == 'true';
+            if (xp) ctx.body = ctx.body.replace('<meta name="fragment" content="!">', '');
         } catch (e) {
         }
     }