fix: hmr

apps/remix-ide/webpack.config.js

 const nxWebpack = require('@nrwl/react/plugins/webpack')
-const TerserPlugin = require('terser-webpack-plugin')
-const webpack = require('webpack')
 const WebpackBar = require('webpackbar')
 module.exports = config => {
   const nxWebpackConfig = nxWebpack(config)
@@ -16,16 +14,6 @@ module.exports = config => {
     }
   }
   webpackConfig.plugins.push(new WebpackBar())
-  // webpackConfig.resolve.alias = {
-  //   ...webpackConfig.resolve.alias,
-  //   'fs': 'browserfs/dist/shims/fs.js',
-  //   'buffer': 'browserfs/dist/shims/buffer.js',
-  //   'path': 'browserfs/dist/shims/path.js',
-  //   'processGlobal': 'browserfs/dist/shims/process.js',
-  //   'bufferGlobal': 'browserfs/dist/shims/bufferGlobal.js',
-  //   'bfsGlobal': require.resolve('browserfs')
-  // }
-  // webpackConfig.plugins.push(new webpack.ProvidePlugin({ BrowserFS: 'bfsGlobal', process: 'processGlobal', Buffer: 'bufferGlobal' }))
   if (process.env.NODE_ENV === 'production') {
     const CompressionPlugin = require('compression-webpack-plugin')
     const productionGzipExtensions = ['js', 'css', 'svg', 'ttf', 'otf', 'eot', 'woff', 'woff2', 'webp', 'png', 'sol']
@@ -39,16 +27,12 @@ module.exports = config => {
     }))
     return {
       ...webpackConfig
-      // mode: 'production',
-      // devtool: 'nosources-cheap-module-source-map',
-      // optimization: {
-      //   minimize: true,
-      //   minimizer: [new TerserPlugin({
-      //     parallel: false
-      //   })]
-      // }
     }
   } else {
+    webpackConfig.devServer = {
+      ...webpackConfig.devServer,
+      hot: true
+    }
     return webpackConfig
   }
 }