jest.config.js

// eslint-disable-next-line @typescript-eslint/no-var-requires
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: './'
})

const customJestConfig = {
  // Add more setup options before each test is run
  // setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  // if using TypeScript with a baseUrl set to the root directory then you need the below for alias' to work
  testEnvironment: 'jest-environment-jsdom',
  testPathIgnorePatterns: ['/node_modules/', '/.next/'],
  collectCoverage: true,
  collectCoverageFrom: [
    'src/**/*.ts(x)?',
    '!src/pages/**/*.tsx',
    '!src/styles/**/*.ts',
    '!src/types/**/*.d.ts',
    '!src/**/mock.ts',
    '!src/**/types.ts'
  ],
  setupFiles: ['<rootDir>/.jest/setEnvVars.ts'],
  setupFilesAfterEnv: ['<rootDir>/.jest/setup.ts'],
  modulePaths: ['<rootDir>/src/', '<rootDir>/.jest'],
  moduleNameMapper: {
    '.+\\.(css|styl|less|sass|scss|png|jpg|ttf|woff|woff2)$':
      'identity-obj-proxy'
  }
}

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