9d7929cd36
This patch: - starts skipping chromium download if `PUPPETEER_SKIP_CHROMIUM_DOWNLOAD` env variable is set - adds description of support env variables to the `docs/api.md`. References #603
64 lines
2.1 KiB
JavaScript
64 lines
2.1 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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if (process.env.PUPPETEER_SKIP_CHROMIUM_DOWNLOAD) {
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console.log('**INFO** Skipping Chromium download. "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD" environment variable was found.');
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return;
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}
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const Downloader = require('./utils/ChromiumDownloader');
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const platform = Downloader.currentPlatform();
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const revision = require('./package').puppeteer.chromium_revision;
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const ProgressBar = require('progress');
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const revisionInfo = Downloader.revisionInfo(platform, revision);
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// Do nothing if the revision is already downloaded.
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if (revisionInfo.downloaded)
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return;
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const allRevisions = Downloader.downloadedRevisions();
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Downloader.downloadRevision(platform, revision, onProgress)
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// Remove previous chromium revisions.
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.then(() => Promise.all(allRevisions.map(({platform, revision}) => Downloader.removeRevision(platform, revision))))
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.catch(onError);
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function onError(error) {
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console.error(`ERROR: Failed to download chromium r${revision}!
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- Download chromium manually:
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${revisionInfo.url}
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- Extract chromium into ${revisionInfo.folderPath}
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* Chromium executable should be at ${revisionInfo.executablePath}`);
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}
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let progressBar = null;
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function onProgress(bytesTotal, delta) {
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if (!progressBar) {
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progressBar = new ProgressBar(`Downloading Chromium r${revision} - ${toMegabytes(bytesTotal)} [:bar] :percent :etas `, {
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complete: '=',
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incomplete: ' ',
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width: 20,
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total: bytesTotal,
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});
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}
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progressBar.tick(delta);
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}
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function toMegabytes(bytes) {
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const mb = bytes / 1024 / 1024;
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return `${Math.round(mb * 10) / 10} Mb`;
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}
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