49 строки
1.4 KiB
JavaScript
49 строки
1.4 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc. All rights reserved.
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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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'use strict';
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const semver = require('semver');
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const log = require('../src/lib/log.js');
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const ChromeProtocol = require('../src/lib/drivers/cri.js');
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const lighthouse = require('../src/lighthouse');
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// node 5.x required due to use of ES2015 features
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if (semver.lt(process.version, '5.0.0')) {
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throw new Error('Lighthouse requires node version 5.0 or newer');
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}
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module.exports = function(url, flags) {
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return new Promise((resolve, reject) => {
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if (!url) {
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return reject(new Error('Lighthouse requires a URL'));
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}
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flags = flags || {};
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const driver = new ChromeProtocol();
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// set logging preferences, assume quiet
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log.level = 'error';
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if (flags.logLevel) {
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log.level = flags.logLevel;
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}
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// kick off a lighthouse run
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resolve(lighthouse(driver, {url, flags}));
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});
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};
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