@dugongjs/testing/message-builder/message-builder.js

import { v4 as uuid } from "uuid";
export class MessageBuilder {
    constructor(options) {
        this.domainEvents = [];
        this.outboundMessageMapper = options.outboundMessageMapper;
        this.initialSequenceNumber = options?.initialSequenceNumber ?? 1;
        this.autoIncrementSequenceNumber = options?.autoIncrementSequenceNumber ?? true;
    }
    setInitialSequenceNumber(initialSequenceNumber) {
        this.initialSequenceNumber = initialSequenceNumber;
        return this;
    }
    addDomainEvent(...domainEvents) {
        this.domainEvents.push(...domainEvents);
        return this;
    }
    build() {
        const domainEvents = this.domainEvents.map((domainEvent) => {
            if (!domainEvent.getId()) {
                domainEvent.setId(uuid());
            }
            if (!domainEvent.getTimestamp()) {
                domainEvent.setTimestamp(new Date());
            }
            return domainEvent;
        });
        if (this.autoIncrementSequenceNumber) {
            domainEvents.forEach((event, index) => {
                event.setSequenceNumber(this.initialSequenceNumber + index);
            });
        }
        return {
            messages: domainEvents.map((event) => this.outboundMessageMapper.map(event.serialize())),
            domainEvents,
            domainEventIds: domainEvents.map((event) => event.getId())
        };
    }
    clear() {
        return new MessageBuilder({
            outboundMessageMapper: this.outboundMessageMapper,
            initialSequenceNumber: this.initialSequenceNumber,
            autoIncrementSequenceNumber: this.autoIncrementSequenceNumber
        });
    }
}