request.headers.get is not a function

node .output/server/index.mjs

Listening on http://[::]:3000
[h3] Implicit event handler conversion is deprecated. Use `eventHandler()` or `fromNodeMiddleware()` to define event handlers.
     Handler: function _webHandler(event) {
        return handler(event.req, event.context);
    }
TypeError: request.headers.get is not a function

node .output/server/index.mjs

Listening on http://[::]:3000
[h3] Implicit event handler conversion is deprecated. Use `eventHandler()` or `fromNodeMiddleware()` to define event handlers.
     Handler: function _webHandler(event) {
        return handler(event.req, event.context);
    }
TypeError: request.headers.get is not a function