jest.config.js

module.exports = {
  preset: 'ts-jest',
  globals: {
    'ts-jest': {
      tsConfig: '<rootDir>/tsconfig.json',
      isolatedModules: true,
      diagnostics: false,
    },
  },
  moduleFileExtensions: ['ts', 'js'],
  transform: {
    '^.+\\.ts$': 'ts-jest',
  },
  roots: ['<rootDir>/src'],
  testPathIgnorePatterns: ['/node_modules/', '/lib/'],
  testMatch: ['**/__tests__/**/*-test.(ts|js)'],
};