tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "lib": ["dom", "dom.iterable", "esnext"],
    "allowJs": true,
    "skipLibCheck": true,
    "strict": true,
    "forceConsistentCasingInFileNames": true,
    "noEmit": true,
    "esModuleInterop": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "jsx": "preserve",
    "incremental": true,
    "baseUrl": ".",
    "paths": {
      "next-test-utils": ["test/lib/next-test-utils"],
      "amp-test-utils": ["test/lib/amp-test-utils"],
      "next-webdriver": ["test/lib/next-webdriver"],
      "e2e-utils": ["test/lib/e2e-utils"]
    }
  },
  "include": [
    "next-env.d.ts",
    "**/*.ts",
    "**/*.tsx",
    "**/*.js",
    "pages/index.tsx",
    "pages/_app.js",
    "test/jest.d.ts",
    "test/**/*.test.ts",
    "test/**/*.test.tsx",
    "test/**/test/*",
    "packages/next/types/webpack.d.ts",
    "jest.config.js"
  ],
  "exclude": ["node_modules"]
}