jest.config.js

// For a detailed explanation regarding each configuration property, visit:
// https://jestjs.io/docs/en/configuration.html

module.exports = {
  // All imported modules in your tests should be mocked automatically
  // automock: false,
  // Stop running tests after `n` failures
  // bail: 0,
  // Respect "browser" field in package.json when resolving modules
  // browser: false,
  // The directory where Jest should store its cached dependency information
  // cacheDirectory: "/tmp/jest_rs",
  // Automatically clear mock calls and instances between every test
  // clearMocks: true,
  // 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: null,
  // The directory where Jest should output its coverage files
  // coverageDirectory: "coverage",
  // An array of regexp pattern strings used to skip coverage collection
  // coveragePathIgnorePatterns: [
  //   "/node_modules/"
  // ],
  // A list of reporter names that Jest uses when writing coverage reports
  // coverageReporters: [
  //   "json",
  //   "text",
  //   "lcov",
  //   "clover"
  // ],
  // An object that configures minimum threshold enforcement for coverage results
  // coverageThreshold: null,
  // A path to a custom dependency extractor
  // dependencyExtractor: null,
  // Make calling deprecated APIs throw helpful error messages
  // errorOnDeprecated: 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: null,
  // A path to a module which exports an async function that is triggered once after all test suites
  // globalTeardown: null,
  // 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', 'json', 'jsx', 'ts', 'tsx', 'node'],
  // A map from regular expressions to module names that allow to stub out resources with a single module
  moduleNameMapper: {
    '@src/(.*)': '<rootDir>/src/$1',
    '\\.(css|less|scss|sss|styl)$': '<rootDir>/node_modules/jest-css-modules',
    '@test/(.*)': '<rootDir>/test/$1',
  },
  // 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: null,
  // Run tests from one or more projects
  // projects: null,
  // Use this configuration option to add custom reporters to Jest
  // reporters: undefined,
  // Automatically reset mock state between every test
  // resetMocks: false,
  // Reset the module registry before running each individual test
  // resetModules: false,
  // A path to a custom resolver
  // resolver: null,
  // Automatically restore mock state between every test
  // restoreMocks: false,
  // The root directory that Jest should scan for tests and modules within
  // rootDir: null,
  // A list of paths to directories that Jest should use to search for files in
  roots: ['<rootDir>'],
  // 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: ['./test/setupTests.ts'],
  // 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-jsdom',
  // Options that will be passed to the testEnvironment
  testEnvironmentOptions: {
    url: 'https://piba-api.myvisit.com',
  },
  // 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/', 'stories.tsx'],
  // 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: null,
  // This option allows use of a custom test runner
  // testRunner: "jasmine2",
  // This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
  // testURL: 'https://central.myvisit.com',
  // Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
  // timers: "real",
  // A map from regular expressions to paths to transformers
  // transform: null,
  transform: {
    '\\.tsx?$': 'ts-jest',
    '^.+\\.svg$': '<rootDir>/test/svg-transformer.js',
  },
  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
  // transformIgnorePatterns: ["/node_modules/"],
  // 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: null,
  // 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,
};