tsconfig.json

{
  "compilerOptions": {
    // Enable incremental builds.
    "composite": true,

    // Maximize type checking.
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "exactOptionalPropertyTypes": true,
    "forceConsistentCasingInFileNames": true,
    "noImplicitOverride": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "resolveJsonModule": true,
    "strict": true,

    // Projects add types needed.
    "types": [],

    // Improve compatibility with compilers that aren't type system aware.
    "isolatedModules": true,

    // Allow JSON type-checking and imports.
    "module": "NodeNext",
    "moduleResolution": "NodeNext",

    // Assume library types are checked and compatible.
    "skipLibCheck": true,
    "skipDefaultLibCheck": true,

    "outDir": "dist",

    // Unpack at root of dist.
    "rootDir": "src",

    "sourceMap": true,

    "target": "ES2022",

    "tsBuildInfoFile": "dist/tsconfig.tsbuildinfo",

    // Don't transform type-only imports.
    "verbatimModuleSyntax": true
  },
  // https://github.com/Microsoft/TypeScript/issues/25636
  "include": ["**/*", "**/*.json"],
  // https://github.com/microsoft/TypeScript/wiki/Performance#misconfigured-include-and-exclude
  "exclude": ["dist", "node_modules", ".*/"]
}