jest.config.js

/* eslint-disable max-len */
// For a detailed explanation regarding each configuration property, visit:
// https://jestjs.io/docs/en/configuration.html

module.exports = {
  
  // Indicates whether the coverage information should be collected while executing the test
  collectCoverage: false,

  // An array of glob patterns indicating a set of files for which coverage information should be collected
  collectCoverageFrom: ['**/src/**/*.{js,ts}'],

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

  // An array of regexp pattern strings used to skip coverage collection
  coveragePathIgnorePatterns: [
    'environmentHelper.js',
  ],

  // 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: [
    // "json",
    // "text",
    // "lcov",
    // "clover"
    'html',
  ],

  // An object that configures minimum threshold enforcement for coverage results
  coverageThreshold: {
    global: {
      functions: 80,
      lines: 80,
      statements: 80,
    },
  },
};