module.exports = { transform: { '^.+\\.ts?$': 'ts-jest', "^.+\\.(js)$": "babel-jest", }, preset: 'ts-jest', testEnvironment: 'node', testRegex: '/tests/.*\\.(test|spec)?\\.(ts|tsx)$', moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'], detectOpenHandles: true, };