How to use the jest-regex-util.replacePathSepForRegex function in jest-regex-util

*
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @flow
 */

import type {DefaultOptions} from 'types/Config';

import os from 'os';
import path from 'path';
import {replacePathSepForRegex} from 'jest-regex-util';
import constants from './constants';

const NODE_MODULES_REGEXP = replacePathSepForRegex(constants.NODE_MODULES);

const cacheDirectory = (() => {
  const {getuid} = process;
  if (getuid == null) {
    return path.join(os.tmpdir(), 'jest');
  }
  // On some platforms tmpdir() is `/tmp`, causing conflicts between different
  // users and permission issues. Adding an additional subdivision by UID can
  // help.
  return path.join(os.tmpdir(), 'jest_' + getuid.call(process).toString(36));
})();

module.exports = ({
  automock: false,
  bail: false,
  browser: false,

/**
 * 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.
 */

import {Config} from '@jest/types';
import {replacePathSepForRegex} from 'jest-regex-util';
import {multipleValidOptions} from 'jest-validate';
import {NODE_MODULES} from './constants';

const NODE_MODULES_REGEXP = replacePathSepForRegex(NODE_MODULES);

const initialOptions: Config.InitialOptions = {
  automock: false,
  bail: multipleValidOptions(false, 0),
  browser: false,
  cache: true,
  cacheDirectory: '/tmp/user/jest',
  changedFilesWithAncestor: false,
  changedSince: 'master',
  clearMocks: false,
  collectCoverage: true,
  collectCoverageFrom: ['src', '!public'],
  collectCoverageOnlyFrom: {
    '/this-directory-is-covered/Covered.js': true,
  },
  coverageDirectory: 'coverage',

const pathToRegex = p => replacePathSepForRegex(p);
const regexToMatcher = (testRegex: string) => {

options[key]!.map(pattern =>
    replacePathSepForRegex(pattern.replace(//g, options.rootDir)),
  );

const path = require("path")
const fs = require("fs")
const chalk = require("chalk")
const cosmiconfig = require("cosmiconfig")
const { validate } = require("jest-validate")
const { replacePathSepForRegex } = require("jest-regex-util")

const NODE_MODULES = replacePathSepForRegex(
  path.sep + "node_modules" + path.sep
)

export function replaceRootDir(conf, rootDir) {
  const replace = s => s.replace("", rootDir)
  ;["srcPathDirs", "srcPathIgnorePatterns", "localeDir"].forEach(key => {
    const value = conf[key]

    if (!value) {
    } else if (typeof value === "string") {
      conf[key] = replace(value)
    } else if (value.length) {
      conf[key] = value.map(replace)
    }
  })

/**
 * Copyright (c) 2014-present, Facebook, Inc. 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.
 *
 * @flow
 */

import type {InitialOptions} from 'types/Config';

import {replacePathSepForRegex} from 'jest-regex-util';
import {NODE_MODULES} from './constants';

const NODE_MODULES_REGEXP = replacePathSepForRegex(NODE_MODULES);

export default ({
  automock: false,
  bail: false,
  browser: false,
  cache: true,
  cacheDirectory: '/tmp/user/jest',
  changedFilesWithAncestor: false,
  clearMocks: false,
  collectCoverage: true,
  collectCoverageFrom: ['src', '!public'],
  collectCoverageOnlyFrom: {
    '/this-directory-is-covered/covered.js': true,
  },
  coverageDirectory: 'coverage',
  coveragePathIgnorePatterns: [NODE_MODULES_REGEXP],