broker-factory/src/module.ts

A little factory function to create a broker for a JSON-RPC based Web Worker.

import { generateUniqueNumber } from 'fast-unique-numbers';
import { createBrokerFactory } from './factories/create-broker';
import { createCreateOrGetOngoingRequests } from './factories/create-or-get-ongoing-requests';
import { createExtendBrokerImplementation } from './factories/extend-broker-implementation';
import { isMessagePort } from './guards/message-port';

/*
 * @todo Explicitly referencing the barrel file seems to be necessary when enabling the
 * isolatedModules compiler option.
 */
export * from './interfaces/index';
export * from './types/index';

export const createBroker = createBrokerFactory(
    createCreateOrGetOngoingRequests(new WeakMap<MessagePort | Worker, Map<number, { reject: Function; resolve: Function }>>()),
    createExtendBrokerImplementation(new WeakMap<MessagePort, number>()),
    generateUniqueNumber,
    isMessagePort
);