jest.config.js

require('dotenv').config({ path: '.env.test' })

module.exports = {
  collectCoverageFrom: ['**/*.{ts}', '!**/*.d.ts', '!**/node_modules/**'],
  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 */
    '^.+\\.(ts)$': ['babel-jest', { presets: ['next/babel'] }],
  },
  transformIgnorePatterns: [
    '/node_modules/',
    '^.+\\.module\\.(css|sass|scss)$',
  ],
  moduleNameMapper: {
    'pages/(.*)$': '<rootDir>/pages/$1',
    'libs/(.*)$': '<rootDir>/libs/$1',
    'tests/(.*)$': '<rootDir>/tests/$1',
  },
}