@yogaraj-saravanan/kafka-utils/dist/consumer.js

Reusable Kafka producer and consumer utilities using kafkajs.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.KafkaConsumer = void 0;
const kafkajs_1 = require("kafkajs");
class KafkaConsumer {
    constructor(clientId, brokers, groupId) {
        this.clientId = clientId;
        this.brokers = brokers;
        this.groupId = groupId;
        const kafka = new kafkajs_1.Kafka({ clientId, brokers });
        this.consumer = kafka.consumer({ groupId });
    }
    async connect(topic, onMessage) {
        await this.consumer.connect();
        await this.consumer.subscribe({ topic, fromBeginning: false });
        await this.consumer.run({
            eachMessage: async (payload) => {
                await onMessage(payload);
            },
        });
    }
    async disconnect() {
        await this.consumer.disconnect();
    }
}
exports.KafkaConsumer = KafkaConsumer;