jest.config.js

/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
const nextJest = require('next/jest')

// @ts-ignore
const createJestConfig = nextJest({
  dir: './',
})

const customJestConfig = {
  preset: 'ts-jest',
  testEnvironment: 'jsdom',
  moduleDirectories: ['node_modules', '<rootDir>/'],
  setupFilesAfterEnv: ['./jest.setup.ts'],
  moduleNameMapper: {
    '^@/components/(.*)$': '<rootDir>/components/$1',
    '^@/pages/(.*)$': '<rootDir>/pages/$1',
    '\\.(scss|sass|css)$': 'identity-obj-proxy',
  },
  testPathIgnorePatterns: ['<rootDir>/.next/', '<rootDir>/node_modules/'],
  collectCoverageFrom: [
    '**/*.{js,jsx,ts,tsx}',
    '!./*.{js,jsx,ts,tsx}',
    '!./pages/**/*.{js,jsx,ts,tsx}',
    '!./services/**/*.{js,jsx,ts,tsx}',
    '!./public/**/*.{js,jsx,ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],
  transform: {
    '^.+\\.(js|jsx|ts|tsx)$': '<rootDir>/node_modules/babel-jest',
  },
  transformIgnorePatterns: ['/node_modules/', '^.+\\.module\\.(css|sass|scss)$'],
}

module.exports = createJestConfig(customJestConfig)