restore webpack splitting behavior

package.json

@@ -44,6 +44,7 @@
     "react": "^16.8.5",
     "react-dom": "^16.8.5",
     "structured-clone": "^0.2.2",
+    "terser-webpack-plugin": "^1.2.3",
     "through2": "2.0.1",
     "tslint": "^5.14.0",
     "typedoc": "^0.14.2",

src/checkable.ts

@@ -150,7 +150,7 @@ export namespace Checkable {
 
   function checkMap(target: any, prop: Prop, path: Path): any {
     if (typeof target !== "object") {
-      throw new SchemaError(`expected  object for ${path}, got ${typeof target} instead`);
+      throw new SchemaError(`expected object for ${path}, got ${typeof target} instead`);
     }
     for (const key in target) {
       prop.keyProp.checker(key, prop.keyProp, path.concat([key]));
@@ -195,7 +195,7 @@ export namespace Checkable {
         if (innerProp.optional) {
           continue;
         }
-        throw new SchemaError(`Property ${innerProp.propertyKey} missing on ${path} of ${typeName}`);
+        throw new SchemaError(`Property '${innerProp.propertyKey}' missing on '${path}' of '${typeName}'`);
       }
       if (!remainingPropNames.delete(innerProp.propertyKey)) {
         throw new SchemaError("assertion failed");

webpack.config.js

@@ -2,6 +2,7 @@ const path = require('path');
 const webpack = require('webpack');
 const merge = require('webpack-merge');
 const { CheckerPlugin } = require('awesome-typescript-loader')
+const TerserPlugin = require('terser-webpack-plugin');
 
 
 function externalsCb(context, request, callback) {
@@ -17,7 +18,7 @@ module.exports = function (env) {
   const base = {
     output: {
       filename: '[name]-bundle.js',
-      chunkFilename: "[id].chunk.js",
+      chunkFilename: "[id]-bundle.js",
       path: path.resolve(__dirname, "dist"),
     },
     module: {
@@ -43,6 +44,18 @@ module.exports = function (env) {
       externalsCb,
       "child_process",
     ],
+    optimization: {
+      minimize: false,
+      minimizer: [
+        new TerserPlugin({
+          sourceMap: true,
+          terserOptions: {
+            keep_classnames: true,
+            keep_fnames: true,
+          }
+        }),
+      ],
+    }
   }
   const configWebWorker = {
     entry: {"cryptoWorker": "./src/crypto/cryptoWorker.ts"},
@@ -81,9 +94,14 @@ module.exports = function (env) {
     name: "pages",
     optimization: {
       splitChunks: {
-        name: "page-common",
-        minChunks: 2,
-      }
+        cacheGroups: {
+          commons: {
+            name: 'page-common',
+            chunks: 'all',
+            minChunks: 2,
+          },
+        },
+      },
     },
   };
 

yarn.lock

@@ -6086,7 +6086,7 @@ term-size@^1.2.0:
   dependencies:
     execa "^0.7.0"
 
-terser-webpack-plugin@^1.1.0:
+terser-webpack-plugin@^1.1.0, terser-webpack-plugin@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.2.3.tgz#3f98bc902fac3e5d0de730869f50668561262ec8"
   integrity sha512-GOK7q85oAb/5kE12fMuLdn2btOS9OBZn4VsecpHDywoUC/jLhSAKOiYo0ezx7ss2EXPMzyEWFoE0s1WLE+4+oA==