@nestjstools/messaging-rabbitmq-extension/lib/message-bus/amqp-message.builder.js

Extension to handle messages and dispatch them over AMQP protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AmqpMessageBuilder = void 0;
class AmqpMessageBuilder {
    constructor(exchangeName, routingKey, headers, message) {
        this.exchangeName = exchangeName;
        this.routingKey = routingKey;
        this.headers = headers;
        this.message = message;
    }
    static create() {
        return new AmqpMessageBuilder();
    }
    withExchangeName(exchangeName) {
        this.exchangeName = exchangeName;
        return this;
    }
    withRoutingKey(routingKey) {
        this.routingKey = routingKey;
        return this;
    }
    withHeaders(headers) {
        this.headers = headers;
        return this;
    }
    addHeader(key, value) {
        if (!this.headers) {
            this.headers = {};
        }
        this.headers[key] = value;
        return this;
    }
    withMessage(message) {
        this.message = message;
        return this;
    }
    buildMessage() {
        if (!this.exchangeName) {
            throw new Error('Exchange name must be defined');
        }
        if (!this.routingKey) {
            throw new Error('Routing key must be defined');
        }
        if (!this.message) {
            throw new Error('Message must be defined');
        }
        return {
            message: this.message,
            envelope: {
                exchange: this.exchangeName,
                routingKey: this.routingKey,
                headers: this.headers ?? {},
            },
        };
    }
}
exports.AmqpMessageBuilder = AmqpMessageBuilder;
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