This commit is contained in:
David Kale
2020-09-08 13:25:36 -04:00
parent e4246d2b5b
commit 91fcbb0108
4227 changed files with 416837 additions and 457884 deletions

View File

@@ -25,30 +25,34 @@ function _interopRequireDefault(obj) {
* 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) {
function getMaxWorkers(argv, defaultOptions) {
if (argv.runInBand) {
return 1;
} else if (argv.maxWorkers) {
// TODO: How to type this properly? Should probably use `coerce` from `yargs`
const maxWorkers = argv.maxWorkers;
const parsed = parseInt(maxWorkers, 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;
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;
};