/**
* @license
* Copyright 2016 Google Inc. All rights reserved.
*
* 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.
*/
'use strict';
const Audit = require('./audit');
class ServiceWorker extends Audit {
/**
* @return {!AuditMeta}
*/
static get meta() {
return {
category: 'Offline',
name: 'service-worker',
description: 'Has a registered Service Worker',
requiredArtifacts: ['ServiceWorker']
};
}
/**
* @param {!Artifacts} artifacts
* @return {!AuditResult}
*/
static audit(artifacts) {
return ServiceWorker.generateAuditResult({
value: !!artifacts.ServiceWorker.version,
debugString: artifacts.ServiceWorker.debugString
});
}
}
module.exports = ServiceWorker;
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