@graphql-mesh/serve-runtime/esm/plugins/useCustomAgent.js

export function useCustomAgent(agentFactory) {
    return {
        onFetch(payload) {
            const agent = agentFactory(payload);
            if (agent != null) {
                payload.setOptions({
                    ...payload.options,
                    // @ts-expect-error - `agent` is there
                    agent,
                });
            }
        },
    };
}