jest.config.js

module.exports = {
  // Stop running tests after `n` failures
  bail: 3,

  // Automatically clear mock calls and instances between every test
  clearMocks: true,

  // Indicates whether the coverage information should be collected while executing the test
  collectCoverage: !!process.env.COVERAGE || process.env.CI === 'true',

  // The directory where Jest should output its coverage files
  coverageDirectory: 'coverage',

  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: 'v8',

  // A list of reporter names that Jest uses when writing coverage reports
  coverageReporters: ['lcov'],

  // Make calling deprecated APIs throw helpful error messages
  errorOnDeprecated: true,

  // Automatically reset mock state between every test
  // resetMocks: false,

  // Reset the module registry before running each individual test
  // resetModules: false,

  // The number of seconds after which a test is considered as slow and reported as such in the results.
  slowTestThreshold: 5,

  // The test environment that will be used for testing
  testEnvironment: 'node',

  // The glob patterns Jest uses to detect test files
  // testMatch: [
  //   "**/__tests__/**/*.[jt]s?(x)",
  //   "**/?(*.)+(spec|test).[tj]s?(x)"
  // ],

  // Indicates whether each individual test should be reported during the run
  verbose: true,
};