@graphql-mesh/transport-neo4j/esm/eventEmitterForPubSub.js

export function getEventEmitterFromPubSub(pubsub) {
    return {
        on(event, listener) {
            pubsub.subscribe(event.toString(), listener);
            return this;
        },
        once(event, listener) {
            const id = pubsub.subscribe(event.toString(), data => {
                listener(data);
                pubsub.unsubscribe(id);
            });
            return this;
        },
        emit(event, ...args) {
            pubsub.publish(event.toString(), args[0]);
            return true;
        },
        addListener(event, listener) {
            return this.on(event, listener);
        },
        setMaxListeners() {
            return this;
        },
    };
}