@nestjstools/messaging/lib/channel/factory/composite-channel.factory.js

Simplifies asynchronous and synchronous message handling with support for buses, handlers, channels, and consumers. Build scalable, decoupled applications with ease and reliability.

"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);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CompositeChannelFactory = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
const decorator_1 = require("../../dependency-injection/decorator");
const unsupported_channel_factory_exception_1 = require("../../exception/unsupported-channel-factory.exception");
let CompositeChannelFactory = class CompositeChannelFactory {
    constructor(discoveryService) {
        this.discoveryService = discoveryService;
    }
    create(channelConfig) {
        const factory = this.discoveryService
            .getProviders()
            .filter((provider) => {
            if (!provider.metatype) {
                return false;
            }
            return Reflect.hasMetadata(decorator_1.CHANNEL_FACTORY_METADATA, provider.metatype);
        })
            .filter((factory) => Reflect.getMetadata(decorator_1.CHANNEL_FACTORY_METADATA, factory.metatype)
            .name === channelConfig.constructor.name);
        if (factory.length !== 1) {
            throw new unsupported_channel_factory_exception_1.UnsupportedChannelFactoryException(channelConfig.constructor.name);
        }
        return factory[0].instance.create(channelConfig);
    }
};
exports.CompositeChannelFactory = CompositeChannelFactory;
exports.CompositeChannelFactory = CompositeChannelFactory = __decorate([
    (0, common_1.Injectable)(),
    __metadata("design:paramtypes", [core_1.DiscoveryService])
], CompositeChannelFactory);
//# sourceMappingURL=composite-channel.factory.js.map