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.js";

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",

  // Indicates which provider should be used to instrument code for coverage
  coverageProvider: "v8",
  collectCoverageFrom: ["components/**/*.{ts,tsx}"],
  moduleDirectories: ["node_modules", "<rootDir>"],
  // The test environment that will be used for testing
  // testEnvironment: "jsdom",
  testEnvironment: "jest-environment-jsdom",
  moduleNameMapper: {
    "^@/app/(.*)$": "<rootDir>/app/$1",
    "^@/components/(.*)$": "<rootDir>/components/$1",
    "^@/contexts/(.*)$": "<rootDir>/contexts/$1",
    "^@/hooks/(.*)$": "<rootDir>/hooks/$1",
    "^@/lib/(.*)$": "<rootDir>/lib/$1",
    "^@/store/(.*)$": "<rootDir>/store/$1",
    "^@/types/(.*)$": "<rootDir>/types/$1",
    "^@/utilities/(.*)$": "<rootDir>/utilities/$1",
  },
  transformIgnorePatterns: [
    "/node_modules/",
    "!node_modules/",
    "/node_modules/(?!@show-karma/karma-gap-sdk)",
  ],
  globalSetup: "./tests/global.js",
  setupFilesAfterEnv: ["./tests/setup.js"],
  testMatch: ["**/?(*.)+(spec|test).[jt]s?(x)"],
};

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

export default createJestConfig(config);