tsconfig.json

{
  "compilerOptions": {
    "outDir": "./dist",
    "target": "ES2020",
    "useDefineForClassFields": true,
    "lib": ["ES2020", "DOM", "DOM.Iterable"],
    "module": "ESNext",
    "skipLibCheck": true,

    "allowSyntheticDefaultImports": true,
    "forceConsistentCasingInFileNames": true,
    "moduleResolution": "Node",
    "declaration": true,
    "allowJs": false,
    "esModuleInterop": false,

    /* Bundler mode */
    // "moduleResolution": "bundler",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "jsx": "react-jsx",

    /* Linting */
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,
    "typeRoots": ["./lib/index.d.ts"]
  },
  "include": ["./src", "./lib"],
  "exclude": ["./src", "./dist/**/*", "./lib/index.d.ts"],
  "references": [{ "path": "./tsconfig.node.json" }]
}