jest.config.js

// clone from  https://nextjs.org/docs/testing#setting-up-jest-with-the-rust-compiler

// jest.config.js
const nextJest = require('next/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: './',
})

// Add any custom config to be passed to Jest
const customJestConfig = {
  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
  // if using TypeScript with a baseUrl set to the root directory then you need the below for alias' to work
  moduleDirectories: ['node_modules', '<rootDir>/'],
  moduleNameMapper: {
    // Handle module aliases (this will be automatically configured for you soon)
    '^@components/(.*)$': '<rootDir>/components/$1',
    '^@lib/(.*)$': '<rootDir>/lib/$1',
    '^@assets/(.*)$': '<rootDir>/assets/$1',
    '^@config/(.*)$': '<rootDir>/config/$1',
    '^@utils/(.*)$': '<rootDir>/utils/$1',
    '^@hooks/(.*)$': '<rootDir>/hooks/$1',
    '^@data/(.*)$': '<rootDir>/data/$1',
    '^@pages/(.*)$': '<rootDir>/pages/$1',
  },
  testEnvironment: 'jest-environment-jsdom',
}

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
module.exports = createJestConfig(customJestConfig)