| // 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. |
| |
| import {findIndex} from 'lodash'; |
| |
| const stores = []; |
| let dispatchId = 0; |
| |
| export const register = (store) => { |
| if (typeof store !== "function") { |
| throw new Error("Store dispatch method must be a function"); |
| } |
| |
| dispatchId += 1; |
| stores.push(store); |
| store.dispatchId = dispatchId; |
| return dispatchId; |
| }; |
| |
| export const dispatch = (msg) => { |
| stores.forEach(store => { |
| store(msg); |
| }); |
| }; |
| |
| export const unregister = (id) => { |
| const storeIndex = findIndex(stores, store => store.dispatchId === id); |
| |
| if (storeIndex === -1) { |
| return; |
| } |
| |
| stores.splice(storeIndex, 1); |
| }; |
| |
| export default { |
| register, |
| dispatch, |
| unregister |
| }; |