KnockoutJS HMR - Medium - 2

weppack.config.js

  'use strict'

+ const { HotModuleReplacementPlugin, NamedModulesPlugin } = require('webpack')
  const HtmlWebpackPlugin = require('html-webpack-plugin')

  module.exports = {
    context: __dirname,
    entry: './index.js',
    output: './bundle.js',
+   devServer: {
+     hot: true
+   },
    plugins: [
+     new NamedModulesPlugin(),
+     new HotModuleReplacementPlugin(),
      new HtmlWebpackPlugin()
    ]
  }