@tmorin/ceb-messaging-simple/dist/mjs/gateway.js

The package is part of the `<ceb/>` library. It provides an implementation of the messaging model leveraging on a vanilla TypeScript/JavaScript environment.

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var _a, _SimpleGateway_GLOBAL;
import { GatewayEmitter } from "@tmorin/ceb-messaging-core";
import { SimpleEventBus } from "./event";
import { SimpleCommandBus } from "./command";
import { SimpleQueryBus } from "./query";
/**
 * The symbol used to register {@link SimpleGateway}.
 *
 * @example Creation and destruction
 * ```typescript
 * import { Gateway } from "@tmorin/ceb-messaging-core"
 * import { SimpleGateway } from "@tmorin/ceb-messaging-simple"
 * const gateway : Gateway = SimpleGateway.create()
 * gateway.dispose().catche(e => console.error(e))
 * ```
 *
 * @example Global instance
 * ```typescript
 * import { MessageBuilder } from "@tmorin/ceb-messaging-core"
 * import { SimpleGateway } from "@tmorin/ceb-messaging-simple"
 * const event = MessageBuilder.event("EventA").build()
 * SimpleGateway.GLOBAL.events.publish(event)
 * ```
 */
export const SimpleGatewaySymbol = Symbol.for("ceb/inversion/SimpleGateway");
export class SimpleGateway {
    constructor(events, commands, queries, emitter, observer = emitter) {
        this.events = events;
        this.commands = commands;
        this.queries = queries;
        this.emitter = emitter;
        this.observer = observer;
    }
    /**
     * The global instance.
     *
     * The {@link SimpleGateway} instance is lazily creation.
     */
    static get GLOBAL() {
        if (!__classPrivateFieldGet(this, _a, "f", _SimpleGateway_GLOBAL)) {
            __classPrivateFieldSet(this, _a, this.create(), "f", _SimpleGateway_GLOBAL);
        }
        return __classPrivateFieldGet(this, _a, "f", _SimpleGateway_GLOBAL);
    }
    /**
     * A factory method which creates a new {@link SimpleGateway} at each call.
     * The instance is created with the default {@link GatewayEmitter}, {@link SimpleEventBus}, {@link SimpleCommandBus} and {@link SimpleQueryBus}.
     */
    static create() {
        const emitter = new GatewayEmitter();
        const events = new SimpleEventBus(emitter);
        const commands = new SimpleCommandBus(events, emitter);
        const queries = new SimpleQueryBus(emitter);
        return new SimpleGateway(events, commands, queries, emitter);
    }
    /**
     * Dispose all channels:
     *
     * - events
     * - commands
     * - queries
     * - observer
     */
    dispose() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.events.dispose();
            yield this.commands.dispose();
            yield this.queries.dispose();
            this.observer.off();
        });
    }
}
_a = SimpleGateway;
_SimpleGateway_GLOBAL = { value: void 0 };
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