tsconfig.json

{
    "compilerOptions": {
        "allowJs": true,
        "allowSyntheticDefaultImports": true,
        "baseUrl": "/",
        "declaration": true,
        "esModuleInterop": true,
        "forceConsistentCasingInFileNames": true,
        "isolatedModules": true,
        "jsx": "react-jsx",
        "lib": [
            "dom",
            "dom.iterable",
            "esnext"
        ],
        "module": "esnext",
        "moduleResolution": "node",
        "noEmit": false,
        "noFallthroughCasesInSwitch": true,
        "outDir": "./lib",
        "resolveJsonModule": true,
        "skipLibCheck": true,
        "strict": true,
        "target": "es2015",
        "typeRoots": [
            "./node_modules/@types"
        ]
    },
    "exclude": [
        "node_modules",
        "lib",
        "./**/__tests__/*"
    ],
    "include": [
        "src/**/*"
    ]
}