move purify to server side.

webapp/src/routes/index.json.js

@@ -1,5 +1,7 @@
 import fetch from 'isomorphic-fetch';
 
+import { purifyArray } from './_purify';
+
 const API_URL = process.env.API_URL || 'http://localhost:33842';
 
 export async function get(req, res) {
@@ -9,5 +11,10 @@ export async function get(req, res) {
 	};
 	const response = await fetch(`${API_URL}/api?skip=${skip}&limit=${limit}`);
 	res.writeHead(response.status, { 'Content-Type': 'application/json' });
-	res.end(await response.text());
+	if (!response.ok) {
+		return res.end(await response.text());
+	}
+	const data = await response.json();
+	data.stories = purifyArray(data.stories);
+	res.end(JSON.stringify(data));
 }