For @lennertr :-)

Instructions

1. open this project in intellij (ensuring that gradle is all working)
2. run the main method in the file NodeDriver.kt (you will need to make sure the run configuration has the following VM options: -ea -javaagent:lib/quasar.jar)
3. you should note in the logs that braid end-points are create for PartyA and PartyB on http://localhost:8081/api and http://localhost:8082/api respectively.
4. please test that you can reach these in your browser
5. install the angular cli: npm install -g @angular/cli
6. in the web directory start the angular server using: ng serve --open
7. if everything goes ok, you should see the following

Explanation

I'm not remotely familiar with the more recent versions of Angular - hopefully this translates to a proper solution.

The only thing I had to do was to define the global constant to be the window object in index.html.

Then, the main logic is in app.component.ts