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

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

import { deserialize as deserializePrimitive } from './primitive.js';
/**
 * Deserialize a base64 encoded string into either a JSON object or plain string
 *
 * @param data - The base64 encoded string to deserialize
 * @returns The deserialized data as either a JSON object or string
 */
const deserialize = (data) => {
    const plainText = deserializePrimitive(data);
    try {
        // Attempt to parse the decoded data as JSON
        // we assume it's a JSON but it can also be a string, we don't know
        return JSON.parse(plainText);
    }
    catch (error) {
        // If JSON parsing fails, log the error and return the decoded string
        // in case we could not parse it we return the base64 decoded value
        console.error(`Failed to parse JSON from base64 value: ${data}`, error);
        return plainText;
    }
};
export { deserialize };