title: Angular ng-bootstrap tabset field not working
body: <pre><code>    {
    "name": "ModalWindow",
    "version": "1.0.0",
    "repository": {
      "type": "git",
      "url": ""
    },
    "scripts": {
      "build": "webpack --mode production",
      "start": "webpack-dev-server --mode development --open"
    },
    "license": "MIT",
    "dependencies": {
      "@angular/common": "^5.0.0",
      "@angular/compiler": "^5.0.0",
      "@angular/core": "^5.0.0",
      "@angular/forms": "^5.0.0",
      "@angular/platform-browser": "^5.0.0",
      "@angular/platform-browser-dynamic": "^5.0.0",
      "@angular/router": "^5.0.0",
      "core-js": "^2.5.5",
      "rxjs": "6.3.0",
      "rxjs-compat": "^6.3.3",
      "sass": "^1.15.0",
      "zone.js": "^0.8.26"
    },
    "devDependencies": {
      "@ng-bootstrap/ng-bootstrap": "^1.1.1",
      "@types/node": "^10.0.4",
      "angular2-template-loader": "^0.6.2",
      "css-loader": "^0.28.11",
      "html-webpack-plugin": "^3.2.0",
      "less": "^3.0.4",
      "less-loader": "^4.1.0",
      "node-sass": "^4.10.0",
      "raw-loader": "^0.5.1",
      "sass-loader": "^7.1.0",
      "style-loader": "^0.21.0",
      "ts-loader": "^4.3.0",
      "typescript": "^2.8.3",
      "webpack": "4.8.1",
      "webpack-cli": "^2.1.3",
      "webpack-dev-server": "3.1.4"
    }
  }
  </code></pre>
  
  <p>This is my package.json,I don't understand what is wrong but tabset in ng-bootstrap is not working.</p>