sp-dev-fx-webparts/samples/react-multilist-grid/tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "jsx": "react",
    "declaration": true,
    "sourceMap": true,
    "types": [ "webpack-env" ] ,
    "experimentalDecorators": true
  },
  "include": [
     "src/**/*"
  ],
     "exclude": [
        "node_modules",
        "**/*.spec.ts"
    ]
}