CORS Error

[paschaldev]

After following the guide, I was getting CORS errors. From the network tab debugger, I saw a 404 error on the OPTIONS endpoint.

Workaround

I had to add the option route and set the CORS header to get past the error.

Local Environment; Not tried in production

Browser: Firefox 148.0.2 (aarch64)
Convex: ^1.32.0
"@convex-dev/persistent-text-streaming": "^0.3.0",

http.route({
  path: '/workflow-stream',
  method: 'POST',
  handler: streamWorkflowContent,
});

http.route({
  path: '/workflow-stream',
  method: 'OPTIONS',
  handler: httpAction(async (_ctx, _request) => {
    return await new Promise((resolve) => {
      resolve(
        new Response(null, {
          headers: {
            'Access-Control-Allow-Origin': '*',
            'Access-Control-Allow-Methods': 'POST, OPTIONS',
            'Access-Control-Allow-Headers': 'Content-Type',
          },
        }),
      );
    });
  }),
});