Update npm packages

apps/block_scout_web/assets/package.json

@@ -47,7 +47,7 @@
     "babel-loader": "^7.1.4",
     "babel-preset-env": "^1.6.1",
     "copy-webpack-plugin": "^4.5.1",
-    "css-loader": "^0.28.11",
+    "css-loader": "^3.1.0",
     "eslint": "^4.15.0",
     "eslint-config-standard": "^11.0.0-beta.0",
     "eslint-plugin-import": "^2.8.0",
@@ -60,11 +60,12 @@
     "node-sass": "^4.9.3",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "postcss-loader": "^2.1.4",
-    "sass-loader": "^7.0.1",
+    "sass-loader": "^7.1.0",
     "style-loader": "^0.21.0",
     "terser-webpack-plugin": "^1.3.0",
     "webpack": "^4.6.0",
-    "webpack-cli": "^3.0.8"
+    "webpack-cli": "^3.0.8",
+    "webpack-plugin-critical": "^1.0.0"
   },
   "jest": {
     "moduleNameMapper": {

apps/block_scout_web/assets/webpack.config.js

@@ -4,6 +4,7 @@ const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
 const { ContextReplacementPlugin } = require('webpack');
+const { CriticalPlugin } = require('webpack-plugin-critical');
 const glob = require("glob");
 
 function transpileViewScript(file) {
@@ -83,7 +84,13 @@ const appJs =
         filename: '../css/app.css'
       }),
       new CopyWebpackPlugin([{ from: 'static/', to: '../' }]),
-      new ContextReplacementPlugin(/moment[\/\\]locale$/, /en/)
+      new ContextReplacementPlugin(/moment[\/\\]locale$/, /en/),
+      // new CriticalPlugin({
+      //   src: 'index.html',
+      //   inline: true,
+      //   minify: true,
+      //   dest: 'index.html'
+      // })
     ]
   }