/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow strict-local * @noformat - Flow comment syntax */ /* * This file exports a set of constants that are used for Jest's haste map * serialization. On very large repositories, the haste map cache becomes very * large to the point where it is the largest overhead in starting up Jest. * * This constant key map allows to keep the map smaller without having to build * a custom serialization library. */ /*:: import type {HType} from './flow-types'; */ 'use strict'; const constants/*: HType */ = { /* dependency serialization */ DEPENDENCY_DELIM: '\0', /* file map attributes */ ID: 0, MTIME: 1, SIZE: 2, VISITED: 3, DEPENDENCIES: 4, SHA1: 5, SYMLINK: 6, /* module map attributes */ PATH: 0, TYPE: 1, /* module types */ MODULE: 0, PACKAGE: 1, /* platforms */ GENERIC_PLATFORM: 'g', NATIVE_PLATFORM: 'native', }; module.exports = constants;