tsconfig.json

{
  "exclude": ["./sample", "./dist"],
  "compilerOptions": {
    "outDir": "./dist",
    "allowSyntheticDefaultImports": true,
    "noImplicitAny": false,
    "moduleResolution": "node",
    "module": "es6",
    "target": "es6",
    "strictNullChecks": true,
    "rootDir": "./src",
    "esModuleInterop": true,
    "allowJs": false,
    "jsx": "react",
    "declaration": true,
    "lib": ["dom", "es2019"]
  }
}