ste-promise-signals/dist/PromiseSignalDispatcher.js

Add the power of Promise Signals to your projects. They are the most bare bones implementation of an event that supports promises.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PromiseSignalDispatcher = void 0;
const ste_core_1 = require("ste-core");
/**
 * The dispatcher handles the storage of subsciptions and facilitates
 * subscription, unsubscription and dispatching of a signal event.
 */
class PromiseSignalDispatcher extends ste_core_1.PromiseDispatcherBase {
    /**
     * Creates a new SignalDispatcher instance.
     */
    constructor() {
        super();
    }
    /**
     * Dispatches the signal.
     *
     * @returns {IPropagationStatus} The status of the dispatch.
     *
     * @memberOf SignalDispatcher
     */
    async dispatch() {
        const result = await this._dispatchAsPromise(false, this, arguments);
        if (result == null) {
            throw new ste_core_1.DispatchError("Got `null` back from dispatch.");
        }
        return result;
    }
    /**
     * Dispatches the signal threaded.
     */
    dispatchAsync() {
        this._dispatchAsPromise(true, this, arguments);
    }
    /**
     * Creates an event from the dispatcher. Will return the dispatcher
     * in a wrapper. This will prevent exposure of any dispatcher methods.
     */
    asEvent() {
        return super.asEvent();
    }
}
exports.PromiseSignalDispatcher = PromiseSignalDispatcher;