/**
* @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 WithoutJavaScript extends Audit {
/**
* @return {!AuditMeta}
*/
static get meta() {
return {
category: 'JavaScript',
name: 'without-javascript',
description: 'Page contains some content when its scripts are not available',
requiredArtifacts: ['HTMLWithoutJavaScript']
};
}
/**
* @param {!Artifacts} artifacts
* @return {!AuditResult}
*/
static audit(artifacts) {
let bodyHasContent = true;
let debugString;
if (artifacts.HTMLWithoutJavaScript.trim() === '') {
bodyHasContent = false;
debugString = 'The page body should render some content if its scripts are not available.';
}
return WithoutJavaScript.generateAuditResult({
value: bodyHasContent,
debugString
});
}
}
module.exports = WithoutJavaScript;
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