tsconfig.json

{
  "compilerOptions": {
    "baseUrl": ".",
    "outDir": "./lib",
    "target": "esnext",
    "module": "esnext",
    "lib": ["es2018", "es2017", "dom"],
    "jsx": "react",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "downlevelIteration": true,
    "declaration": true,
    "declarationDir": "./lib",
    "forceConsistentCasingInFileNames": true,
    "moduleResolution": "node",
    "noEmitOnError": true,
    "noUnusedLocals": false,
    "removeComments": true,
    "skipLibCheck": true,
    "strict": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    "plugins": [],
    "paths": {
      "@*": ["src*"]
    },
    "typeRoots": ["node_modules/@types", "./src/typings"]
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules", "lib"]
}