webpack.config.js

var path = require('path');
var webpack = require('webpack');

module.exports = {
  entry: ['./src/start.js', 'bootstrap-loader'],
  externals: {
		jquery: 'jQuery',
	},
	plugins:[
		new webpack.ProvidePlugin({
			'$': 'jquery',
			'jQuery': 'jquery'
		}),
	],
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  module: {
    loaders: [
			{
				loader: 'babel-loader',
				query: {
					presets: ['react', 'es2015', 'stage-0']
				},
				test: /\.jsx?$/,
				exclude: /(node_modules|bower_components)/
			},
      {
        test: /bootstrap-sass\/assets\/javascripts\//,
        loader: 'imports-loader?jQuery=jquery'
      }
		],
    rules: [
      {
        test: /\.css$/,
        loader: "style-loader!css-loader"
      },
      {
        test: /\.scss$/,
        use: [{
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'sass-loader',
          }
        ]
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: [
          'file-loader'
        ]
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: [
          'file-loader'
        ]
      },
      { test: /\.bootstrap-3\.3\.7-dist\/js\//, loader: 'imports?jQuery=jQuery' },
    ]
  }
};