jest.config.ts

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

import type {Config} from 'jest';
import nextJest from "next/jest";

const createJestConfig = nextJest({
  dir: "./"
})

const config: Config = {
  // 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: true,
  // 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/"
  ],
  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: "babel",
  // A list of reporter names that Jest uses when writing coverage reports
  coverageReporters: [
      "json",
      "text",
      "lcov",
      "clover"
   ],
  // 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: {
      '^@/(.*)$': '<rootDir>/src/$1',
      '^@/components/(.*)$': '<rootDir>/src/components/$1',
  },
  // A list of paths to directories that Jest should use to search for files in
  roots: [
      "<rootDir>"
  ],
  // A list of paths to modules that run some code to configure or set up the testing framework before each test
  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
  // The test environment that will be used for testing
  testEnvironment: "jsdom",
  // The glob patterns Jest uses to detect test files
  testMatch: [
      "**/__tests__/**/*.[jt]s?(x)",
      "**/?(*.)+(spec|test).[tj]s?(x)"
  ],
  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
  testPathIgnorePatterns: [
      "/node_modules/"
  ],
  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
  transformIgnorePatterns: [
      "/node_modules/",
      "\\.pnp\\.[^\\/]+$"
  ],
};

export default createJestConfig(config);