@grubou/bussy/build/src/eventBus/InternalEventBus.js

Command & query bus implementations

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InternalEventBus = void 0;
class InternalEventBus {
    constructor(logger, eventMiddlewares, eventHandlers) {
        this.logger = logger;
        this.eventMiddlewares = eventMiddlewares;
        this.eventHandlers = eventHandlers;
    }
    publish(events) {
        events.reduce((domainEvents, event) => {
            const correspondingEventHandlers = this.eventHandlers[event.label()];
            this.eventMiddlewares.forEach((middleware) => middleware.handle(event));
            Promise.allSettled(correspondingEventHandlers.map((eventHandler) => {
                eventHandler
                    .reactTo(event)
                    .then(() => this.logOnSuccess(event, eventHandler))
                    .catch((error) => this.logOnError(event, eventHandler, error));
            }));
            return domainEvents.slice(events.indexOf(event));
        }, events);
    }
    logOnSuccess(event, eventHandler) {
        this.logger.info(`Event: ${event.label()} successfully processed by ${eventHandler.name()}`, {
            event: event.serialize()
        });
    }
    logOnError(event, eventHandler, error) {
        this.logger.error(`Event: ${event.label()} unsuccessfully processed by ${eventHandler.name()}`, {
            error,
            event: event.serialize()
        });
    }
}
exports.InternalEventBus = InternalEventBus;
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