tsconfig.json

{
  "compilerOptions": {
    // Base options
    "target": "es2022",
    "verbatimModuleSyntax": true,
    "resolveJsonModule": true,
    "moduleDetection": "force",
    "allowJs": true,
    "checkJs": true,
    "skipLibCheck": true,

    // strictness
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "forceConsistentCasingInFileNames": true,
    // strictness: optional to have
    "preserveConstEnums": true,
    "alwaysStrict": true,
    "strictNullChecks": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "allowUnreachableCode": false,
    "noFallthroughCasesInSwitch": true,

    // if transpiling with TypeScript
    // "moduleResolution": "NodeNext",
    // "module": "NodeNext",
    // "outDir": "dist",
    // "sourceMap": true,

    // NOT transpiling with TypeScript
    "moduleResolution": "Bundler",
    "module": "ESNext",
    "noEmit": true,

    // code runs in DOM
    "lib": ["dom", "dom.iterable", "es2022"],
    // doesn't run in DOM
    // "lib": ["es2022"],

    // building for a library
    // "declaration": true,
    // building for a library in a monorepo
    // "composite": true,
    // "declarationMap": true,

    "esModuleInterop": true,
    "jsx": "preserve",
    "incremental": true,
    "baseUrl": ".",
    "removeComments": true,
    "allowSyntheticDefaultImports": true,
    "plugins": [
      {
        "name": "next"
      }
    ],
    "paths": {
      "~/*": ["./src/*"]
    }
  },
  "include": [
    "next-env.d.ts",
    "**/*.ts",
    "**/*.tsx",
    ".next/types/**/*.ts",
    "prettier.config.cjs",
    ".eslintrc.cjs"
  ],
  "exclude": ["node_modules"]
}