tsconfig.json

{
  "compilerOptions": {
    "outDir": "dist",
    "module": "esnext",
    "target": "esnext",
    "lib": [
      "dom",
      "esnext"
    ],
    "jsx": "react-jsx",
    "jsxImportSource": "@emotion/react",
    "moduleResolution": "node",
    "declaration": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": false,
    "noFallthroughCasesInSwitch": true,
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true
  },
  "include": ["src"],
  "exclude": ["node_modules", "build", "dist", "example", "rollup.config.js"]
}