Add cors

package-lock.json

@@ -92,6 +92,14 @@
         "tslib": "~2.1.0"
       }
     },
+    "@koa/cors": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@koa/cors/-/cors-3.1.0.tgz",
+      "integrity": "sha512-7ulRC1da/rBa6kj6P4g2aJfnET3z8Uf3SWu60cjbtxTA5g8lxRdX/Bd2P92EagGwwAhANeNw8T8if99rJliR6Q==",
+      "requires": {
+        "vary": "^1.1.2"
+      }
+    },
     "@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.14.0.tgz",
@@ -243,6 +251,15 @@
         "@types/koa": "*"
       }
     },
+    "@types/koa__cors": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@types/koa__cors/-/koa__cors-3.0.2.tgz",
+      "integrity": "sha512-gBetQR0DJ9JTG1YQoW33BADHCrDPJGiJUKUUcEPJwW1A2unzpIMhorEpXB6eMaaXTaqHLemcGnq3RmH9XaryRQ==",
+      "dev": true,
+      "requires": {
+        "@types/koa": "*"
+      }
+    },
     "@types/linkify-it": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/@types/linkify-it/-/linkify-it-3.0.0.tgz",

package.json

@@ -6,6 +6,7 @@
   "dependencies": {
     "@graphql-tools/merge": "^6.2.9",
     "@graphql-tools/schema": "^6.2.4",
+    "@koa/cors": "^3.1.0",
     "dotenv": "^8.2.0",
     "graphql": "^15.5.0",
     "graphql-tag": "^2.11.0",
@@ -21,6 +22,7 @@
     "@types/koa": "^2.13.0",
     "@types/koa-bodyparser": "^4.3.0",
     "@types/koa-router": "^7.4.1",
+    "@types/koa__cors": "^3.0.2",
     "@types/markdown-it": "^10.0.3",
     "@types/physical-cpu-count": "^2.0.0",
     "@types/stoppable": "^1.1.0",

src/main.ts

@@ -3,12 +3,17 @@ import { applyGraphQL } from "./graphql";
 import { typeDefs, resolvers } from "./graphql/index";
 import stoppable from "stoppable";
 
+import cors from "@koa/cors";
+
 const runtime: { server: undefined | stoppable.StoppableServer } = {
   server: undefined,
 };
 
 async function main() {
   const app = new Application();
+
+  app.use(cors());
+
   app.use(
     bodyParser({
       enableTypes: ["json"],