@mirasys/nestjs-jetstream-transporter/dist/nats.service.js

A custom transporter for integrating NATS Jetstream with NestJS

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NatsService = void 0;
const common_1 = require("@nestjs/common");
const nats_streaming_transporter_1 = require("./nats-streaming.transporter");
const nats_1 = require("nats");
let NatsService = class NatsService {
    constructor(connectionOptions, consumerOptions) {
        this.connectionOptions = connectionOptions;
        this.consumerOptions = consumerOptions;
        this.transporter = new nats_streaming_transporter_1.NatsStreamingTransporter(this.connectionOptions, this.consumerOptions);
    }
    get strategy() {
        return this.transporter;
    }
    async publish(topic, data) {
        try {
            const client = this.transporter.getClient();
            const js = client.jetstream();
            const sc = (0, nats_1.StringCodec)();
            try {
                await js.publish(topic, sc.encode(data));
            }
            catch (publishError) {
                console.error(`Error publishing message to topic: ${topic}`, publishError);
                throw publishError;
            }
        }
        catch (error) {
            console.error('Error in publish function', error);
            throw error;
        }
    }
};
exports.NatsService = NatsService;
exports.NatsService = NatsService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)('NATS_CONNECTION_OPTIONS')),
    __param(1, (0, common_1.Inject)('NATS_CONSUMER_OPTIONS')),
    __metadata("design:paramtypes", [Object, Object])
], NatsService);
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