jest.config.js

module.exports = {
  roots: ['<rootDir>/src'],
  preset: 'ts-jest',
  transform: {
    '^.+\\.tsx?$': 'ts-jest',
  },
  testMatch: [
    '**/__(tests|specs)__/**/*.ts?(x)',
    '**/?(*.)+(test|spec).ts?(x)',
  ],
  testPathIgnorePatterns: ['/lib/', '/node_modules/'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  verbose: true,
}