code-server/build/npm/preinstall.js

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
let err = false;
const majorNodeVersion = parseInt(/^(\d+)\./.exec(process.versions.node)[1]);
if (majorNodeVersion < 10 || majorNodeVersion >= 13) {
console.error('\033[1;31m*** Please use node >=10 and <=12.\033[0;0m');
err = true;
}
const cp = require('child_process');
const yarnVersion = cp.execSync('yarn -v', { encoding: 'utf8' }).trim();
const parsedYarnVersion = /^(\d+)\.(\d+)\./.exec(yarnVersion);
const majorYarnVersion = parseInt(parsedYarnVersion[1]);
const minorYarnVersion = parseInt(parsedYarnVersion[2]);
if (majorYarnVersion < 1 || minorYarnVersion < 10) {
console.error('\033[1;31m*** Please use yarn >=1.10.1.\033[0;0m');
err = true;
}
if (!/yarn[\w-.]*\.js$|yarnpkg$/.test(process.env['npm_execpath'])) {
console.error('\033[1;31m*** Please use yarn to install dependencies.\033[0;0m');
err = true;
}
if (err) {
console.error('');
process.exit(1);
}