52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
/**
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* @license
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {appContext} from './app-context.js';
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import {FlagsService} from './flags.js';
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import {GrReporting} from './gr-reporting/gr-reporting.js';
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const initializedServices = new Map();
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function getService(serviceName, serviceInit) {
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if (!initializedServices.has(serviceName)) {
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initializedServices.set(serviceName, serviceInit());
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}
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return initializedServices.get(serviceName);
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}
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/**
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* The AppContext lazy initializator for all services
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*/
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export function initAppContext() {
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const registeredServices = {};
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function addService(serviceName, serviceCreator) {
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if (registeredServices[serviceName]) {
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throw new Error(`Service ${serviceName} already registered.`);
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}
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registeredServices[serviceName] = {
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get() {
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return getService(serviceName, serviceCreator);
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},
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};
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}
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addService('flagsService', () => new FlagsService());
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addService('reportingService',
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() => new GrReporting(appContext.flagsService));
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Object.defineProperties(appContext, registeredServices);
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}
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