@aws-lambda-powertools/kafka/lib/esm/deserializer/avro.js

Utility to easily handle message deserialization and parsing of Kafka events in AWS Lambda functions

import avro from 'avro-js';
import { KafkaConsumerDeserializationError } from '../errors.js';
/**
 * Deserialize an Avro message from a base64-encoded string using the provided Avro schema.
 *
 * @param data - The base64-encoded string representing the Avro binary data.
 * @param schema - The Avro schema as a JSON string.
 */
const deserialize = (data, schema) => {
    try {
        const type = avro.parse(schema);
        const buffer = Buffer.from(data, 'base64');
        return type.fromBuffer(buffer);
    }
    catch (error) {
        throw new KafkaConsumerDeserializationError(`Failed to deserialize Avro message: ${error}, message: ${data}, schema: ${schema}`);
    }
};
export { deserialize };