jest.config.js

export default {
  preset: 'ts-jest/presets/default-esm',
  testEnvironment: 'node',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
      },
    ],
  },
  testMatch: [
    '**/__tests__/**/*.test.ts',
  ],
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/**/*.test.ts',
    '!src/**/__tests__/**',
  ],
  coverageThreshold: {
    global: {
      branches: 60,
      functions: 70,
      lines: 70,
      statements: 70
    }
  },
  coverageReporters: [
    'text',
    'lcov'
  ],
  coverageDirectory: 'coverage',
  verbose: false,
  testTimeout: 10000,
  transformIgnorePatterns: [
    'node_modules/(?!(node-fetch)/)',
  ],
};