Amazing stuff. But I don’t see why we need ngx-build-plus. You can use targets in angular.json like this one:

”build-worker”: {
“builder”: “@angular-devkit/build-webpack:webpack”,
“options”: {“webpackConfig”: “./webpack.config.worker.js”}
}

See an example in this project:

https://github.com/patidar-suresh/webworker-in-angular6