tsconfig.json

{
  "compilerOptions": {
    "module": "ES2015",
    "target": "es5",
    "lib": ["es5", "es6", "es7", "es2017", "dom"],
    "sourceMap": true,
    "allowJs": false,
    "jsx": "react",
    "moduleResolution": "node",
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    "noUnusedLocals": true,
    "declaration": true,
    "declarationMap": true,
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "resolveJsonModule": true,
    "typeRoots": ["./@types", "node_modules/@types"],
    "baseUrl": ".",
    "paths": {
      "*": ["./@types/*"]
    },
    "downlevelIteration": true
  },
  "include": ["packages/**/*"],
  "exclude": [
    "node_modules",
    "dist",
    "scripts",
    "**/*.stories.tsx",
    "**/*.stories.ts"
  ]
}