mirror of
https://github.com/puppeteer/puppeteer
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f19e2ade0d
This patch starts building node6 support if puppeteer is installed from github directly and is run under Node 6.
118 lines
3.9 KiB
JavaScript
118 lines
3.9 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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buildNode6IfNecessary();
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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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if (process.env.NPM_CONFIG_PUPPETEER_SKIP_CHROMIUM_DOWNLOAD || process.env.npm_config_puppeteer_skip_chromium_download) {
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console.log('**INFO** Skipping Chromium download. "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD" was set in npm config.');
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return;
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}
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const Downloader = require('./lib/Downloader');
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const downloader = Downloader.createDefault();
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const platform = downloader.currentPlatform();
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const revision = Downloader.defaultRevision();
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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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// Override current environment proxy settings with npm configuration, if any.
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const NPM_HTTPS_PROXY = process.env.npm_config_https_proxy || process.env.npm_config_proxy;
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const NPM_HTTP_PROXY = process.env.npm_config_http_proxy || process.env.npm_config_proxy;
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const NPM_NO_PROXY = process.env.npm_config_no_proxy;
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if (NPM_HTTPS_PROXY)
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process.env.HTTPS_PROXY = NPM_HTTPS_PROXY;
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if (NPM_HTTP_PROXY)
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process.env.HTTP_PROXY = NPM_HTTP_PROXY;
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if (NPM_NO_PROXY)
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process.env.NO_PROXY = NPM_NO_PROXY;
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const allRevisions = downloader.downloadedRevisions();
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const downloadHost = process.env.PUPPETEER_DOWNLOAD_HOST || process.env.npm_config_puppeteer_download_host;
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if (downloadHost)
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downloader.setDownloadHost(downloadHost);
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downloader.downloadRevision(platform, revision, onProgress)
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.then(onSuccess)
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.catch(onError);
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/**
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* @return {!Promise}
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*/
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function onSuccess() {
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console.log('Chromium downloaded to ' + revisionInfo.folderPath);
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// Remove previous chromium revisions.
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const cleanupOldVersions = allRevisions.map(({platform, revision}) => downloader.removeRevision(platform, revision));
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return Promise.all(cleanupOldVersions);
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}
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/**
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* @param {!Error} error
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*/
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function onError(error) {
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console.error(`ERROR: Failed to download Chromium r${revision}! Set "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD" env variable to skip download.`);
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console.error(error);
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process.exit(1);
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}
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let progressBar = null;
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function onProgress(bytesTotal, delta) {
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if (!progressBar) {
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progressBar = new ProgressBar(`Downloading Chromium r${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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function buildNode6IfNecessary() {
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const fs = require('fs');
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const path = require('path');
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// if this package is installed from NPM, then it already has up-to-date node6
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// folder.
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if (!fs.existsSync(path.join('utils', 'node6-transform')))
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return;
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let asyncawait = true;
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try {
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new Function('async function test(){await 1}');
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} catch (error) {
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asyncawait = false;
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}
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// if async/await is supported, then node6 is not needed.
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if (asyncawait)
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return;
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// Re-build node6/ folder.
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console.log('Building Puppeteer for Node 6');
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require(path.join(__dirname, 'utils', 'node6-transform'));
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}
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