tsconfig.json

{
  "include": [
    "src"
  ],
  "compilerOptions": {
    // "allowJs": true,
    "target": "es5",
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "module": "esnext",
    "moduleResolution": "node",
    "jsx": "preserve",
    "declaration": true,
    "declarationDir": "dist",
    "emitDeclarationOnly": true,
    // settings
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": true,
    "importHelpers": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "strict": true,
    "resolveJsonModule": true,
    "rootDirs": ["src", "stories"]
    // "isolatedModules": true,
    // "noEmit": true,
  }
}