jest.config.js

/** @type {import('ts-jest').JestConfigWithTsJest} */
process.env.NODE_ENV = 'test';

export default {
  setupFiles: [
    'dotenv/config',
    '<rootDir>/jest.setup.js',
    '<rootDir>/tests/jest.setup.ts',
  ],
  preset: 'ts-jest',
  testEnvironment: 'node',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
        isolatedModules: true,
      },
    ],
  },
  testMatch: ['**/tests/**/*.test.ts'],
  collectCoverageFrom: ['src/**/*.ts', '!src/**/*.d.ts'],
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov', 'html'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
};