You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.4 KiB
59 lines
1.4 KiB
4 years ago
|
'use strict';
|
||
|
|
|
||
|
|
Object.defineProperty(exports, '__esModule', {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.default = getMaxWorkers;
|
||
|
|
|
||
|
|
function _os() {
|
||
|
|
const data = _interopRequireDefault(require('os'));
|
||
|
|
|
||
|
|
_os = function _os() {
|
||
|
|
return data;
|
||
|
|
};
|
||
|
|
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _interopRequireDefault(obj) {
|
||
|
|
return obj && obj.__esModule ? obj : {default: obj};
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the MIT license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree.
|
||
|
|
*/
|
||
|
|
function getMaxWorkers(argv, defaultOptions) {
|
||
|
|
if (argv.runInBand) {
|
||
|
|
return 1;
|
||
|
|
} else if (argv.maxWorkers) {
|
||
|
|
return parseWorkers(argv.maxWorkers);
|
||
|
|
} else if (defaultOptions && defaultOptions.maxWorkers) {
|
||
|
|
return parseWorkers(defaultOptions.maxWorkers);
|
||
|
|
} else {
|
||
|
|
// In watch mode, Jest should be unobtrusive and not use all available CPUs.
|
||
|
|
const cpus = _os().default.cpus() ? _os().default.cpus().length : 1;
|
||
|
|
return Math.max(argv.watch ? Math.floor(cpus / 2) : cpus - 1, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const parseWorkers = maxWorkers => {
|
||
|
|
const parsed = parseInt(maxWorkers.toString(), 10);
|
||
|
|
|
||
|
|
if (
|
||
|
|
typeof maxWorkers === 'string' &&
|
||
|
|
maxWorkers.trim().endsWith('%') &&
|
||
|
|
parsed > 0 &&
|
||
|
|
parsed <= 100
|
||
|
|
) {
|
||
|
|
const cpus = _os().default.cpus().length;
|
||
|
|
|
||
|
|
const workers = Math.floor((parsed / 100) * cpus);
|
||
|
|
return workers >= 1 ? workers : 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return parsed > 0 ? parsed : 1;
|
||
|
|
};
|