A Jest configuration with globalSetup and globalTeardown

jest.config.js

/**
 * @type {import("ts-jest/dist/types").InitialOptionsTsJest}
 */
module.exports = {
  globalSetup: './jest-global-setup.ts',
  globalTeardown: './jest-global-teardown.ts',
  globals: {
    'ts-jest': {
      tsconfig: '<rootDir>/tsconfig.spec.json',
      isolatedModules: true
    }
  },
  testEnvironment: 'node',
  transform: {
    '^.+\\.ts$': 'ts-jest'
  },
  moduleFileExtensions: ['ts', 'js'],
  setupFilesAfterEnv: ['./setup-jest.js']
};