tsconfig.json

{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "moduleResolution": "node",
    "target": "es5",             // Target ECMAScript 5
    "module": "es2015",          // Module code generation
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,    
    "declaration": true,         // Generate corresponding .d.ts file
    "outDir": "./dist",          // Output directory
    "jsx": "react",              // Support JSX in .tsx files
    "noImplicitAny": true,       // Raise error on expressions and declarations with an implied any type
    "noImplicitReturns": true,   // Raise error when not all code paths in function return a value.
    "removeComments": false,     // Remove all comments except copyright header comments beginning with /*!
    "preserveConstEnums": true,  // Do not erase const enum declarations in generated code.
    "lib": ["es2015", "dom"],
    "skipLibCheck": true
  },
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "node_modules",
    "docs",
    "src/**/*.s.tsx",
    "src/**/*.stories.tsx"
  ]
}