playwright/download-browser.js
Andrey Lushnikov d5951b4fc4
fix: properly download browsers (#1173)
Playwright API is parametrized with a `downloadPath` - a path that
is used to download browsers and to look for downloaded browsers.

This patch starts respecting `downloadPath` as part of
`download-browser.js` utility.
2020-03-02 11:49:42 -08:00

61 lines
1.9 KiB
JavaScript

/**
* Copyright (c) Microsoft Corporation.
*
* 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.
*/
async function downloadBrowser(browserType) {
const browser = browserType.name();
let progressBar = null;
let lastDownloadedBytes = 0;
function onProgress(downloadedBytes, totalBytes) {
if (!progressBar) {
const ProgressBar = require('progress');
progressBar = new ProgressBar(`Downloading ${browser} ${browserType._revision} - ${toMegabytes(totalBytes)} [:bar] :percent :etas `, {
complete: '=',
incomplete: ' ',
width: 20,
total: totalBytes,
});
}
const delta = downloadedBytes - lastDownloadedBytes;
lastDownloadedBytes = downloadedBytes;
progressBar.tick(delta);
}
const fetcher = browserType._createBrowserFetcher();
const revisionInfo = fetcher.revisionInfo();
// Do nothing if the revision is already downloaded.
if (revisionInfo.local)
return revisionInfo;
await browserType.downloadBrowserIfNeeded(onProgress);
logPolitely(`${browser} downloaded to ${revisionInfo.folderPath}`);
return revisionInfo;
}
function toMegabytes(bytes) {
const mb = bytes / 1024 / 1024;
return `${Math.round(mb * 10) / 10} Mb`;
}
function logPolitely(toBeLogged) {
const logLevel = process.env.npm_config_loglevel;
const logLevelDisplay = ['silent', 'error', 'warn'].indexOf(logLevel) > -1;
if (!logLevelDisplay)
console.log(toBeLogged);
}
module.exports = {downloadBrowser};