jest.config.js

/** @type {import('ts-jest').JestConfigWithTsJest} */
export default {
  preset: 'ts-jest/presets/default-esm',
  testEnvironment: 'node',
  roots: ['<rootDir>/tests'],
  testMatch: ['**/*.test.ts'],
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
        tsconfig: {
          module: 'Node16',
          moduleResolution: 'Node16',
        },
      },
    ],
  },
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/**/*.d.ts',
    '!src/index.ts',
  ],
  coverageThreshold: {
    global: {
      branches: 50,
      functions: 80,
      lines: 75,
      statements: 75,
    },
  },
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  testTimeout: 60000,
  maxWorkers: 1,
};