tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "lib": ["dom", "es2015.core", "es2016", "es2017", "es2018"],
    "allowJs": true,
    "checkJs": false,
    "jsx": "react",
    "declaration": true,
    "sourceMap": true,
    "rootDirs": ["src", "stories"],
    "outDir": "./lib",
    "importHelpers": true,
    "strict": false,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "strictPropertyInitialization": true,
    "moduleResolution": "node",
    "baseUrl": ".",
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "plugins": [{ "transform": "ts-transform-paths" }],
    "declarationDir": "types"
  },
  "include": ["./src"],
  "exclude": [".**.test.*"]
}