jest.config.ts

import type { Config } from "@jest/types";
import { pathsToModuleNameMapper } from "ts-jest";
import nextJest from "next/jest";

import { compilerOptions } from "./tsconfig.json";

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

/*
 * For a detailed explanation regarding each configuration property and type check, visit:
 * https://jestjs.io/docs/configuration
 */
const config: Config.InitialOptions = {
  preset: "ts-jest",
  testEnvironment: "jest-environment-jsdom",
  testPathIgnorePatterns: ["node_modules", "integration", "monitoring", ".next"],
  roots: ["<rootDir>"],
  modulePaths: [compilerOptions.baseUrl],
  moduleNameMapper: {
    ...pathsToModuleNameMapper(compilerOptions.paths),
    uuid: require.resolve("uuid"), // FIXME: Somehow required after jest is upgraded from v27.5.1 to v28.1.3
  },
};

export default createJestConfig(config);