export default {
  preset: 'ts-jest/presets/default-esm',
  extensionsToTreatAsEsm: ['.ts', '.tsx'],
  testEnvironment: 'node',
  roots: ['<rootDir>/src'],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/*.(test|spec).+(ts|tsx|js)'
  ],
  transform: {
    '^.+\\.(ts|tsx)$': ['ts-jest', {
      useESM: true
    }]
  },
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/**/__tests__/**',
    '!src/**/examples/**'
  ],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node']
};