@americanexpress/holocron-dev-server/src/utils/publish.js

A micro-frontend dev server for Holocron Modules

/*
 * Copyright 2021 American Express Travel Related Services Company, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations
 * under the License.
 */

let publisherHandle = null;

export function clearPublisher() {
  publisherHandle = null;
}

export function setPublisher(publisher = null) {
  if (typeof publisher === 'function') publisherHandle = publisher;
  else clearPublisher();
}

export function publish(...args) {
  if (typeof publisherHandle === 'function') publisherHandle(...args);
}