jest.config.ts

import type { JestConfigWithTsJest } from 'ts-jest';

// import { defaults as tsjPreset } from 'ts-jest/presets';
// import { defaultsESM as tsjPreset } from 'ts-jest/presets';
// import { jsWithTs as tsjPreset } from 'ts-jest/presets';
import { jsWithTsESM as tsjPreset } from 'ts-jest/presets';
// import { jsWithBabel as tsjPreset } from 'ts-jest/presets';
// import { jsWithBabelESM as tsjPreset } from 'ts-jest/presets';

const jestConfig: JestConfigWithTsJest = {
  /*
   * Jest configuration
   * For a detailed explanation regarding each configuration property, visit:
   * https://jestjs.io/docs/configuration
   */
  // All imported modules in your tests should be mocked automatically
  // automock: false,

  // Stop running tests after `n` failures
  // bail: 0,

  // The directory where Jest should store its cached dependency information
  // cacheDirectory: 'C:\\Users\\phili\\AppData\\Local\\Temp\\jest',

  // Automatically clear mock calls, instances, contexts and results before every test
  // clearMocks: false,

  // 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: undefined,
  collectCoverageFrom: [
    // '**/*.{js,jsx}',
    '<rootDir>/src/**/*.ts',
    '!<rootDir>/src/**/*.interface.ts',
    '!<rootDir>/src/**/*.mock.ts',
    '!<rootDir>/src/**/*.module.ts',
    '!<rootDir>/src/**/*.spec.ts',
    '!<rootDir>/src/**/*.test.ts',
    '!<rootDir>/src/**/*.d.ts',
    '!**/node_modules/**',
    '!**/vendor/**',
  ],

  // The directory where Jest should output its coverage files
  coverageDirectory: '<rootDir>/test/coverage',

  // An array of regexp pattern strings used to skip coverage collection
  // coveragePathIgnorePatterns: [
  //   '\\\\node_modules\\\\'
  // ],

  // Indicates which provider should be used to instrument code for coverage.
  // Allowed values are `babel` (default) or `v8`.
  // coverageProvider: 'v8',

  // A list of reporter names that Jest uses when writing coverage reports
  // coverageReporters: [
  //   'json',
  //   'text',
  //   'lcov',
  //   'clover'
  // ],
  coverageReporters: [
    'lcov',
    'text',
    // 'text-summary',
  ],
  // coverageReporters: ['html', 'json'],

  // An object that configures minimum threshold enforcement for coverage results
  // coverageThreshold: undefined,

  // A path to a custom dependency extractor
  // dependencyExtractor: undefined,

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

  // The default configuration for fake timers
  // fakeTimers: {
  //   'enableGlobally': false
  // },

  // Force coverage collection from ignored files using an array of glob patterns
  // forceCoverageMatch: [],

  // A path to a module which exports an async function that is triggered once before all test suites
  // globalSetup: undefined,

  // A path to a module which exports an async function that is triggered once after all test suites
  // globalTeardown: undefined,

  // A set of global variables that need to be available in all test environments
  // globals: {},

  // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
  // maxWorkers: '50%',

  // An array of directory names to be searched recursively up from the requiring module's location
  // moduleDirectories: [
  //   'node_modules'
  // ],

  // An array of file extensions your modules use
  // moduleFileExtensions: [
  //   'js',
  //   'mjs',
  //   'cjs',
  //   'jsx',
  //   'ts',
  //   'tsx',
  //   'json',
  //   'node'
  // ],

  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
  // moduleNameMapper: {},

  // An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
  // modulePathIgnorePatterns: [],

  // Activates notifications for test results
  // notify: false,

  // An enum that specifies notification mode. Requires { notify: true }
  // notifyMode: 'failure-change',

  // A preset that is used as a base for Jest's configuration
  // preset: undefined,

  // Run tests from one or more projects
  // projects: undefined,

  // Use this configuration option to add custom reporters to Jest
  // reporters: undefined,
  reporters: ['default', 'github-actions'],

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

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

  // A path to a custom resolver
  // resolver: undefined,

  // Automatically restore mock state and implementation before every test
  // restoreMocks: false,

  // The root directory that Jest should scan for tests and modules within
  // rootDir: './test/',
  rootDir: './',

  // A list of paths to directories that Jest should use to search for files in
  roots: ['<rootDir>/test/', '<rootDir>/src/'],

  // Allows you to use a custom runner instead of Jest's default test runner
  // runner: 'jest-runner',

  // The paths to modules that run some code to configure or set up the testing environment before each test
  // setupFiles: [],

  // A list of paths to modules that run some code to configure or set up the testing framework before each test
  // setupFilesAfterEnv: [],

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

  // A list of paths to snapshot serializer modules Jest should use for snapshot testing
  // snapshotSerializers: [],

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

  // Options that will be passed to the testEnvironment
  // testEnvironmentOptions: {},

  // Adds a location field to test results
  // testLocationInResults: false,

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

  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
  // testPathIgnorePatterns: [
  //   '\\\\node_modules\\\\'
  // ],

  // The regexp pattern or array of patterns that Jest uses to detect test files
  // testRegex: [],

  // This option allows the use of a custom results processor
  // testResultsProcessor: undefined,

  // This option allows use of a custom test runner
  // testRunner: 'jest-circus/runner',

  // A map from regular expressions to paths to transformers
  // transform: undefined,

  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
  // transformIgnorePatterns: [
  //   '\\\\node_modules\\\\',
  //   '\\.pnp\\.[^\\\\]+$'
  // ],

  // An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
  // unmockedModulePathPatterns: undefined,

  // Indicates whether each individual test should be reported during the run
  verbose: false,

  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
  // watchPathIgnorePatterns: [],

  // Whether to use watchman for file crawling
  // watchman: true,
  /*
   * ts-jest configuration:
   * See: https://kulshekhar.github.io/ts-jest/docs/getting-started/presets
   * See: https://kulshekhar.github.io/ts-jest/docs/getting-started/options/
   */
  // preset: 'ts-jest/presets/js-with-ts',
  transformIgnorePatterns: ['node_modules/(?!(fill-pot-po|gettext-parser)/)'],
  // preset: 'ts-jest/presets/default-esm',
  // preset: 'ts-jest',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  testEnvironment: 'node',
  // testEnvironmentOptions: {
  //   NODE_OPTIONS: '--experimental-vm-modules',
  // },
  transform: {
    ...tsjPreset.transform,
    // '^.+\\.[tj]sx?$' to process js/ts with `ts-jest`
    // '^.+\\.m?[tj]sx?$' to process js/ts/mjs/mts with `ts-jest`
    // '^.+\\.tsx?$': [
    //   'ts-jest',
    //   {
    //     // ts-jest configuration goes here
    //     diagnostics: false,
    //     babelConfig: {
    //       plugins: ['babel-plugin-transform-import-meta'],
    //     },
    //     // useESM: true,
    //   },
    // ],
  },
};

export default jestConfig;