jest.config.js

module.exports = {
  setupFilesAfterEnv: ["<rootDir>/jest.setup.js"],
  collectCoverageFrom: [
    "**/*.{js,jsx,ts,tsx}",
    "!**/*.d.ts",
    "!**/node_modules/**",
  ],
  moduleNameMapper: {
    /* For Module Path Aliases */
    "^@/(.*)$": "<rootDir>/src/$1",

    /* Handle CSS imports (with CSS modules)
      https://jestjs.io/docs/webpack#mocking-css-modules */
    "^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy",

    // Handle CSS imports (without CSS modules)
    "^.+\\.(css|sass|scss)$": "<rootDir>/src/__mocks__/style.mock.js",

    /* Handle image imports
      https://jestjs.io/docs/webpack#handling-static-assets */
    "^.+\\.(jpg|jpeg|png|gif|webp|avif|svg)$":
      "<rootDir>/src/__mocks__/file.mock.js",

    /* i18n */
    i18next: "<rootDir>/src/__mocks__/i18next.mock.js",
    createRouter: "<rootDir>/src/__mocks__/createRouter.mock.ts",
  },
  testPathIgnorePatterns: ["<rootDir>/node_modules/", "<rootDir>/.next/"],
  testEnvironment: "jsdom",
  transform: {
    /* Use babel-jest to transpile tests with the next/babel preset
      https://jestjs.io/docs/configuration#transform-objectstring-pathtotransformer--pathtotransformer-object */
    "^.+\\.(js|jsx|ts|tsx)$": ["babel-jest", { presets: ["next/babel"] }],
  },
  transformIgnorePatterns: [
    "/node_modules/",
    "^.+\\.module\\.(css|sass|scss)$",
  ],
};