ant-design/tsconfig.json

{
  "compilerOptions": {
    "strictNullChecks": true,
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "jsx": "preserve",
    "target": "es6",
    "lib": [
      "dom",
      "es7"
    ]
  },
  "exclude": [
    "node_modules"
  ]
}