tsconfig.json

// See https://www.totaltypescript.com/tsconfig-cheat-sheet.
{
  "compilerOptions": {
    // Base options.
    "esModuleInterop": true,
    "skipLibCheck": true,
    "target": "es2022",
    "allowJs": true,
    "resolveJsonModule": true,
    "moduleDetection": "force",
    "isolatedModules": true,
    "verbatimModuleSyntax": true,
    // Strictness.
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,
    // Building a library with zshy.
    "declaration": true,
    "module": "NodeNext",
    "allowImportingTsExtensions": true,
    "noEmit": true,
    // No DOM.
    "lib": ["es2022"],
    // TypeScript 6 explicit types.
    // See https://www.typescriptlang.org/docs/handbook/release-notes/typescript-6-0.html#types-now-defaults-to-
    "types": ["node"]
  },
  "exclude": ["coverage", "dist", "node_modules"]
}