mi-libreria-js/jest.config.mjs

Mi primera librería JavaScript

export default {
  testEnvironment: 'node',
  collectCoverage: true,
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov'],
  testMatch: ['**/tests/**/*.test.js'],
  transform: {},
  moduleNameMapper: {
    '^(\\.\\/.+)\\.js$': '$1'
  }
};