WrenchBoardWallet/app/kconfig.js

// import { Kafka } from "kafkajs";
const {Kafka} =  require('kafkajs');

const kafka =  new Kafka({
    clientId: "nodejs-kafka",
    brokers: ["10.10.10.120:9092"],
});
class KafkaConfig {
    constructor() {

        this.producer = kafka.producer();
        this.consumer = kafka.consumer({ groupId: "test-group" });
    }

    async produce(topic, messages) {
        try {
            await this.producer.connect();
            await this.producer.send({
                topic: topic,
                messages: messages,
            });
        } catch (error) {
            console.error(error);
        } finally {
            await this.producer.disconnect();
        }
    }

    async consume(topic, callback) {
        try {
            await this.consumer.connect();
            await this.consumer.subscribe({ topic: topic, fromBeginning: true });
            await this.consumer.run({
                eachMessage: async ({ topic, partition, message }) => {
                    const value = message.value.toString();
                    callback(value);
                },
            });
        } catch (error) {
            console.error(error);
        }
    }
}

module.exports =  KafkaConfig;
//export default KafkaConfig;