jest.config.ts

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

import nextJest from 'next/jest.js';
import type {Config} from 'jest';
 
const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: './',
})


const esModules = [
  "react-markdown",
  "devlop",
  "hast-util-to-jsx-runtime",
  "comma-separated-tokens",
  "estree-util-is-identifier-name",
  "hast-util-whitespace",
  "property-information",
  "space-separated-tokens",
  "unist-util-position",
  "vfile-message",
  "unist-util-stringify-position",
  "html-url-attributes",
  "remark-parse",
  "mdast-util-from-markdown",
  "mdast-util-to-string",
  "micromark",
  "decode-named-character-reference",
  "remark-rehype",
  "mdast-util-to-hast",
  "trim-lines",
  "unist-util-visit",
  "unist-util-is",
  "unified",
  "bail",
  "is-plain-obj",
  "trough",
  "vfile"
].join('|');

const compilerOptions = {
  lib: [ 'lib.dom.d.ts', 'lib.dom.iterable.d.ts', 'lib.esnext.d.ts' ],
  allowJs: true,
  skipLibCheck: true,
  strict: true,
  noEmit: true,
  esModuleInterop: true,
  module: 99,
  moduleResolution: 100,
  resolveJsonModule: true,
  isolatedModules: true,
  jsx: 1,
  incremental: true,
  plugins: [ { name: 'next' } ],
  paths: { '@/*': [ './src/*' ] },
  pathsBasePath: '/home/afonso/Projects/timeout-server',
  configFilePath: undefined
};

const jestTransformerConfig = {
  // modularizeImports: { '@mui/icons-material': [Object], lodash: [Object] },
  swcPlugins: undefined,
  compilerOptions: undefined,
  jsConfig: { compilerOptions },
  resolvedBaseUrl: {
    baseUrl: '/home/afonso/Projects/timeout-server',
    isImplicit: true
  },
  serverComponents: true,
  isEsmProject: false,
  pagesDir: undefined
};

const config: Config = {
  // 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: "/tmp/jest_rs",

  // Automatically clear mock calls, instances, contexts and results before 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: undefined,

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

  // 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
  // coverageProvider: "v8",

  // 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: 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": true
  // },

  // 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,

  // 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: undefined,

  // 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: [],

  // 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: {
    "^.+.tsx?$": ["ts-jest",{}],
    "^.+.md?$": ["<rootDir>/config/jestMdTransformer",{}],
    // avoid using babel in a nextjs environment
    [`(${esModules}).+\\.js$`]: [
      require.resolve("next/dist/build/swc/jest-transformer"),
      jestTransformerConfig
  ],
  },

  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
  transformIgnorePatterns: [
    `[/\\\\]node_modules[/\\\\](?!${esModules}).+\\.(js)$`,
  ],

  // 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: undefined,

  // 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,
};

const getJestConfigAll = async () => {
  const getNextConfig = createJestConfig(config);
  const nextJestConfig = await getNextConfig();

  const nextJestConfigAll = {
    ...nextJestConfig,
    transformIgnorePatterns: [
      `[/\\\\]node_modules[/\\\\](?!${esModules}).+\\.(js)$`,
    ]
  };

  return nextJestConfigAll;
}
export default getJestConfigAll;