build: add support for Create React App (#3027)

Closes #2944

Author: char0n

webpack/es-bundle.babel.js

@@ -15,11 +15,14 @@ import { WebpackBundleSizeAnalyzerPlugin } from "webpack-bundle-size-analyzer"
 // import path from "path"
 // import { StatsWriterPlugin } from "webpack-stats-plugin"
 
+const minimize = true
+const sourcemaps = true
+
 const result = configBuilder(
   {
-    minimize: true,
+    minimize,
     mangle: true,
-    sourcemaps: true,
+    sourcemaps,
     includeDependencies: true,
     emitWorkerAssets: false,
   },
@@ -46,6 +49,8 @@ const result = configBuilder(
       maxAssetSize: 1024000 * 3.25, // MB
     },
 
+    devtool: sourcemaps && minimize ? "nosources-cheap-module-source-map" : false,
+
     plugins: [
       new DuplicatesPlugin({
         // emit compilation warning or error? (Default: `false`)