@awesomeniko/kafka-trail/dist/kafka/topic-batch.js

A Node.js library for managing message queue with Kafka

import { ktDecode, ktEncode } from "../libs/helpers/default-data-parser.js";
import { DLQKTTopic } from "./topic.js";
const createTopicBatchEvent = (settings, validatorFn) => {
    const validatePayload = (payload) => {
        validatorFn?.validate?.(payload);
        return true;
    };
    const fn = (payload) => {
        const topicBatchMessages = [];
        for (const data of payload) {
            validatePayload(data.value);
            const payloadToSend = validatorFn
                ? validatorFn.encode(data.value)
                : ktEncode(data.value);
            topicBatchMessages.push({
                value: payloadToSend,
                key: data.key,
                headers: data.headers || {},
            });
        }
        return {
            topicName: settings.topic,
            messages: topicBatchMessages,
        };
    };
    fn.topicSettings = settings;
    fn.decode = ((data) => {
        const decoded = (validatorFn?.decode ?? (ktDecode))(data);
        validatePayload(decoded);
        return decoded;
    });
    return fn;
};
export const KTTopicBatch = (_settings) => {
    throw new Error("Deprecated. use CreateKTTopicBatch(...)");
};
export const CreateKTTopicBatch = (settings, validatorFn) => {
    const BaseTopic = createTopicBatchEvent(settings, validatorFn);
    let DLQTopic = null;
    if (settings.createDLQ) {
        DLQTopic = DLQKTTopic(settings);
    }
    return { BaseTopic, DLQTopic };
};
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