@tmorin/ceb-messaging-simple
Version:
The package is part of the `<ceb/>` library. It provides an implementation of the messaging model leveraging on a vanilla TypeScript/JavaScript environment.
99 lines • 4.6 kB
JavaScript
;
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;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SimpleGateway = exports.SimpleGatewaySymbol = void 0;
const ceb_messaging_core_1 = require("@tmorin/ceb-messaging-core");
const event_1 = require("./event");
const command_1 = require("./command");
const query_1 = require("./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)
* ```
*/
exports.SimpleGatewaySymbol = Symbol.for("ceb/inversion/SimpleGateway");
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 ceb_messaging_core_1.GatewayEmitter();
const events = new event_1.SimpleEventBus(emitter);
const commands = new command_1.SimpleCommandBus(events, emitter);
const queries = new query_1.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();
});
}
}
exports.SimpleGateway = SimpleGateway;
_a = SimpleGateway;
_SimpleGateway_GLOBAL = { value: void 0 };
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