From babfc6d7cfcb0218903425114d540621b936b89f Mon Sep 17 00:00:00 2001
From: Agusti Fernandez Pardo <git@agusti.me>
Date: Fri, 15 Apr 2022 16:10:57 +0200
Subject: [PATCH] adds cors support to docs endpoint

---
 lib/helpers/withCors.ts | 17 +++++++++++++++++
 package.json            |  1 +
 pages/api/docs.ts       |  5 ++++-
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 lib/helpers/withCors.ts

diff --git a/lib/helpers/withCors.ts b/lib/helpers/withCors.ts
new file mode 100644
index 0000000000..e0034ae1dd
--- /dev/null
+++ b/lib/helpers/withCors.ts
@@ -0,0 +1,17 @@
+import type { NextMiddleware } from "next-api-middleware";
+import NextCors from "nextjs-cors";
+
+export const withCors: NextMiddleware = async (req, res, next) => {
+  // Run the cors middleware
+  // nextjs-cors uses the cors package, so we invite you to check the documentation https://github.com/expressjs/cors
+  await NextCors(req, res, {
+    // Options
+    methods: ["GET", "HEAD", "PUT", "PATCH", "POST", "DELETE"],
+    origin: "*",
+    optionsSuccessStatus: 200, // some legacy browsers (IE11, various SmartTVs) choke on 204
+  });
+
+  // Rest of the API logic
+  // Execute the remaining middleware
+  await next();
+};
diff --git a/package.json b/package.json
index 16dc0f9b9f..971c197c42 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "next-swagger-doc": "^0.2.1",
     "next-transpile-modules": "^9.0.0",
     "next-validations": "^0.1.11",
+    "nextjs-cors": "^2.1.1",
     "typescript": "^4.6.3"
   }
 }
diff --git a/pages/api/docs.ts b/pages/api/docs.ts
index d9aa75d18c..39b36362f5 100644
--- a/pages/api/docs.ts
+++ b/pages/api/docs.ts
@@ -2,6 +2,9 @@ import jsonSchema from "@/json-schema/json-schema.json";
 import pjson from "@/package.json";
 import { withSwagger } from "next-swagger-doc";
 
+import { withCors } from "@lib/helpers/withCors";
+import { withMiddleware } from "@lib/helpers/withMiddleware";
+
 const swaggerHandler = withSwagger({
   definition: {
     openapi: "3.0.0",
@@ -16,4 +19,4 @@ const swaggerHandler = withSwagger({
   tags: ["users", "teams", "memeberships"],
   sort: true,
 });
-export default swaggerHandler();
+export default withMiddleware(withCors)(swaggerHandler());