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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
module.exports = function getCacheIdentifier(environment, packages) {
let cacheIdentifier = environment == null ? '' : environment.toString();
for (const packageName of packages) {
cacheIdentifier += `:${packageName}@`;
try {
cacheIdentifier += require(`${packageName}/package.json`).version;
} catch (_) {
// ignored
}
}
return cacheIdentifier;
};