add cors, needed for dev mode at least

.eslintrc

@@ -1,7 +1,6 @@
 {
     "env": {
         "node": true,
-        "browser": true,
         "es6": true
     },
     "parserOptions": {
@@ -74,8 +73,5 @@
         "space-infix-ops": 2,
         "strict": [2, "global"],
         "wrap-iife": 2
-    },
-    "globals": {
-        "chrome": true
     }
 }

index.js

@@ -1,12 +1,14 @@
 const express = require('express');
 const bodyParser = require('body-parser');
+const cors = require('cors');
 const app = express();
 const templates = require('./templates');
 const renderer = require('./renderer');
 
 app.use(bodyParser.json());
 
-app.post('/generate/pdf/:template', (req, res) => {
+app.options('/generate/pdf/:template', cors());
+app.post('/generate/pdf/:template', cors(), (req, res) => {
 
     const templateName = req.params.template;
     const options = req.body;
@@ -24,7 +26,7 @@ app.post('/generate/pdf/:template', (req, res) => {
                 res.sendStatus(500).end('Something went wrong while baking the PDF');
                 return;
             }
-            res.set('Content-Type', 'application/pdf');
+            res.setHeader('Content-Type', 'application/pdf');
             res.send(pdf);
             res.end();
         });

package.json

@@ -13,6 +13,7 @@
   "license": "ISC",
   "dependencies": {
     "body-parser": "^1.16.1",
+    "cors": "^2.8.1",
     "express": "^4.14.1",
     "preact": "^7.2.0",
     "preact-router": "^2.4.1"