switch to polka

app/server.js

@@ -1,29 +1,20 @@
 import fs from 'fs';
-import express from 'express';
+import polka from 'polka';
 import compression from 'compression';
 import sapper from 'sapper';
 import serve from 'serve-static';
 import fetch from 'node-fetch';
 import { routes } from './manifest/server.js';
 
-const app = express();
-
-const { PORT = 3000 } = process.env;
-
 // this allows us to do e.g. `fetch('/api/blog-posts')` on the server
 global.fetch = (url, opts) => {
 	if (url[0] === '/') url = `http://localhost:${PORT}${url}`;
 	return fetch(url, opts);
 };
 
-app.use(compression({ threshold: 0 }));
-
-app.use(serve('assets'));
-
-app.use(sapper({
-	routes
-}));
-
-app.listen(PORT, () => {
-	console.log(`listening on port ${PORT}`);
-});
+// you can also use Express
+polka()
+	.use(compression({ threshold: 0 }))
+	.use(serve('assets'))
+	.use(sapper({ routes }))
+	.listen(process.env.PORT);

package.json

@@ -14,10 +14,10 @@
   "dependencies": {
     "compression": "^1.7.1",
     "cross-env": "^5.1.3",
-    "express": "^4.16.2",
     "node-fetch": "^2.0.0",
     "npm-run-all": "^4.1.2",
-    "sapper": "^0.8.1",
+    "polka": "^0.3.4",
+    "sapper": "^0.9.4",
     "serve-static": "^1.13.1",
     "svelte": "^1.56.0",
     "svelte-loader": "^2.3.3",

routes/blog.json.js

@@ -8,7 +8,7 @@ const contents = JSON.stringify(posts.map(post => {
 }));
 
 export function get(req, res) {
-	res.set({
+	res.writeHead(200, {
 		'Content-Type': 'application/json'
 	});
 

routes/blog/[slug].json.js

@@ -11,7 +11,7 @@ export function get(req, res, next) {
 	const { slug } = req.params;
 
 	if (lookup.has(slug)) {
-		res.set({
+		res.writeHead(200, {
 			'Content-Type': 'application/json'
 		});