tsconfig.json

{
  "compilerOptions": {
    "target": "ES2018",
    "lib": ["ES2022", "DOM", "DOM.Iterable"],

    "module": "Node16",
    "moduleResolution": "Node16",

    "allowJs": true,

    "declaration": true,
    "declarationMap": true,
    "sourceMap": true,
    "outDir": "cjs/",
    "sourceRoot": ".",
    

    // https://github.com/tsconfig/bases/blob/a1bf7c0fa2e094b068ca3e1448ca2ece4157977e/bases/strictest.json
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "useUnknownInCatchVariables": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "isolatedModules": true,
    "checkJs": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true
  },
  "include": ["src"],
  "exclude": ["node_modules"]
}