@nestjs/microservices/serializers/mqtt-record.serializer.js

Nest - modern, fast, powerful node.js web framework (@microservices)

import { MqttRecord } from '../record-builders/index.js';
import { isObject } from '@nestjs/common/internal';
export class MqttRecordSerializer {
    serialize(packet) {
        if (isObject(packet?.data) && packet.data instanceof MqttRecord) {
            const record = packet.data;
            return JSON.stringify({
                ...packet,
                data: record.data,
            });
        }
        if (packet?.response instanceof MqttRecord) {
            return JSON.stringify({
                ...packet,
                response: packet.response.data,
            });
        }
        return JSON.stringify(packet);
    }
}