message: WIP: Stop mangling classnames in production build.
  This apears to be causing issues with imodeljs gateway marshalling.
diff: @@ -371,6 +371,10 @@ if (PRODUCTION) {
  new UglifyJSPlugin({
  parallel: true,
  uglifyOptions: {
  + mangle: {
  + // NEEDSWORK: Mangling classnames appears to break gateway marshalling...
  + keep_classnames: true,
  + },
  compress: {
  warnings: false,
  // Disabled because of an issue with Uglify breaking seemingly valid code:
  