@graphql-mesh/serve-runtime/esm/useRequestId.js

import { requestIdByRequest } from '@graphql-mesh/utils';
export function useRequestId() {
    return {
        onRequest({ request, fetchAPI }) {
            const requestId = request.headers.get('x-request-id') || fetchAPI.crypto.randomUUID();
            requestIdByRequest.set(request, requestId);
        },
        onFetch({ context, options, setOptions }) {
            const requestId = requestIdByRequest.get(context?.request);
            if (requestId) {
                setOptions({
                    ...(options || {}),
                    headers: {
                        ...(options.headers || {}),
                        'x-request-id': requestId,
                    },
                });
            }
        },
        onResponse({ request, response }) {
            const requestId = requestIdByRequest.get(request);
            if (requestId) {
                response.headers.set('x-request-id', requestId);
            }
        },
    };
}