tsconfig.json

{
  "compilerOptions": {
    // Language and Environment
    "target": "ES2020",
    "lib": ["DOM", "DOM.Iterable", "ES2020"],
    "jsx": "react-jsx",

    // Modules
    "module": "ESNext",
    "moduleResolution": "Bundler",
    "noUncheckedSideEffectImports": true,

    // Completeness
    "skipLibCheck": true,

    // Emit
    "outDir": "dist",
    "declaration": true,

    // Interop Constraints
    "forceConsistentCasingInFileNames": true,
    "verbatimModuleSyntax": true,
    "esModuleInterop": true,

    // Type Checking
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true
  },
  "exclude": ["node_modules", "**/*.spec.ts"],
  "include": ["src/index.ts"]
}