mirror of
https://github.com/puppeteer/puppeteer
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48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
/**
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* Copyright 2017 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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var Downloader = require('./utils/ChromiumDownloader');
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var revision = require('./package').puppeteer.chromium_revision;
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var ProgressBar = require('progress');
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// Do nothing if the revision is already downloaded.
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if (Downloader.revisionInfo(Downloader.currentPlatform(), revision))
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return;
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Downloader.downloadRevision(Downloader.currentPlatform(), revision, onProgress)
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.catch(error => {
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console.error('Download failed: ' + error.message);
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});
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var progressBar = null;
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function onProgress(bytesTotal, delta) {
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if (!progressBar) {
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progressBar = new ProgressBar(`Downloading Chromium - ${toMegabytes(bytesTotal)} [:bar] :percent :etas `, {
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complete: '=',
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incomplete: ' ',
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width: 20,
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total: bytesTotal,
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});
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}
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progressBar.tick(delta);
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}
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function toMegabytes(bytes) {
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var mb = bytes / 1024 / 1024;
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return (Math.round(mb * 10) / 10) + ' Mb';
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}
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