ts-test/jest.config.js

module.exports = {
  transform: {
    '^.+\\.tsx?$': 'ts-jest',
  },
  testRegex: '(/__tests__/.*|(src|test)/.*(\\.|-|/)(test|spec))\\.(jsx?|tsx?)$',
  moduleFileExtensions: ['ts', 'tsx', 'json', 'js', 'jsx'],
};