title: ERROR in ./node_modules/bootstrap-loader/no-op.js
body: <p>I'm using Webpack in my application, in which I create my entry point as
  index.ts and I'm trying to run it using  sass css bootstrap typescript as resources in my project webpack, but I am stuck with these errors,(bootstrap-loader) : </p>
  
  <blockquote>
    <p>ERROR in ./node_modules/bootstrap-loader/no-op.js
    (./node_modules/bootstrap-loader/lib/bootstrap.scripts.loader.js?{"bootstrapVersion":3,"useCustomIconFontPath":false,"extractStyles":false,"styleLoaders":["style-loader","css-loader","sass-loader"],"styles":["mixins","normalize","print","glyphicons","s
    caffolding","type","code","grid","tables","forms","buttons","component-animations","dropdowns","button-groups","input-groups","navs","navbar","breadcrumbs","pagination","pager","labels","badges","jumbotron","thumbnails","alerts","progress-bars","media","list-group","panels","wells","responsive-embed","close","modals","tooltip","popovers","carousel","utilities","responsive-utilities"],"scripts":["transition","alert","button","carousel","collapse","dropdown","modal","tooltip","popover","scrollspy","tab","affix"],"configFilePath":"/projects/bootstrapwebpack/node_modules/bootstrap-loader/.bootstraprc-3-default","bootstrapPath":"/projects/bootstrapwebpack/node_modules/bootstrap-sass","bootstrapRelPath":"../bootstrap-sass"}!./node_modules/bootstrap-loader/no-op.js)
    ...</p>
  </blockquote>
  
  <p><strong>In my config.js I have :</strong></p>
  
  <pre><code>const path = require('path');
  const webpack = require('webpack');
  module.exports = {
  entry:  [ 'bootstrap-loader', './src/index.ts',],
  module: {
    rules:[
      {
        test: /\.css$/,
         use: [
          'style-loader',
          'css-loader'
              ],
      },
      {
        test: /\.js$/,
              exclude: /(node_modules|bower_components)/,
              use: {
              loader: 'babel-loader',
              options: {
                presets: ['env']
                }
              }
        },
        {
          test: /\.(gif|png|jpe?g|svg)$/i,
          use: [
           'file-loader',
            {
              loader: 'image-webpack-loader',
              options: {
              },
            },
          ],
        },
        {
          test: /\.tsx?$/,
          use: 'ts-loader',
          exclude: /node_modules/
        },
        {
          test: /\.scss$/,
          use: ['style-loader', 'css-loader', 'sass-loader'],
          exclude: /node_modules/
        },
        // Boooootstrap
        { 
          test: /bootstrap-sass\/assets\/javascripts\//, 
          loader: 'imports-loader?jQuery=jquery' 
        },
        { 
          test: /\.(woff2?|svg)$/, loader: 'url-loader?limit=10000' 
        },
        { 
          test: /\.(ttf|eot)$/, loader: 'file-loader' 
        },
      ],
      }, 
  output: {
      filename: 'main.js',
      path: path.resolve(__dirname, 'dist')
      }
  };
  </code></pre>
  
  <p><strong>Currently I'm trying to use in my package.json these following lines :</strong></p>
  
  <pre><code>{
    "name": "test",
    "version": "1.0.0",
    "main": "index.js",
    "license": "MIT",
    "scripts": {
      "dev": "webpack --mode development --watch ",
      "build": "webpack --progress -p --watch "
    },
    "dependencies": {
      "autoprefixer": "^9.0.0",
      "babel-core": "^6.26.3",
      "babel-loader": "^7.1.5",
      "babel-preset-env": "^1.7.0",
      "bootstrap": "^4.1.2",
      "bootstrap-loader": "^3.0.0",
      "bootstrap-sass": "^3.3.7",
      "css-loader": "^1.0.0",
      "exports-loader": "^0.7.0",
      "file-loader": "^1.1.11",
      "image-webpack-loader": "^4.3.1",
      "jquery": "^3.3.1",
      "mini-css-extract-plugin": "^0.4.1",
      "node-sass": "^4.9.2",
      "popper.js": "^1.14.3",
      "postcss-loader": "^2.1.6",
      "resolve-url-loader": "^2.3.0",
      "sass-loader": "^7.0.3",
      "style-loader": "^0.21.0",
      "ts-loader": "^4.4.2",
      "typescript": "^2.9.2",
      "url-loader": "^1.0.1",
      "webpack": "^4.16.0",
      "webpack-cli": "^3.0.8"
    }
  }
  </code></pre>