angular-electron | Ultra-fast bootstrapping with Angular and Electron | Dektop Application library

I use Electron v13.0.1 from this repo

Need close confirmation, use this implementation:

So I’m very new to Angular and Electron, and I've been having difficulties getting things to work. I've been looking for sample apps so that I could have a starting point that I could understand, and I came across this: https://developer.okta.com/blog/2019/03/20/build-desktop-app-with-angular-electron

I've been following it, and at the point where I first run npm run electron the window opens but stays empty, and in the devtools console I find Uncaught TypeError: window.require is not a function.

I had made just some minor adjustments (making some types explicit) because initially it wouldn't compile, but nothing that should change anything about this.

I have done some searches and for what I understand it might have something to do with

I have an Angular project run with Electron. My code compiles and works nicely, and now I've come to test it. Before I even start writing tests, all the 'shouldCreate' tests are failing with the message "TypeError: window.require is not a function".

I have seen this post and this post, as well as a few others on the matter, but none of them address what to do if it only fails in tests.

How can I get my tests to succeed, even with my code having things like window.require('fs') and the like? Again, the code compiles and runs (at least in the dev environment) but my tests fail before I have written them

TIA

EDIT: My code is based off of this github project

I searched a lot of posts and also the official Angular documentation, but I'm not able to get an AngularJS service running in Angular. I finally came to this page https://angular.io/api/upgrade/static/UpgradeModule#examples which seems to explain exactly what I need, but when doing all those steps I'm getting:

ERROR Error: Trying to get the AngularJS injector before it being set.

My impression is that this example is not quite complete. E.g. there is no hint were the (old) AngularJS framework must be loaded. My service looks like angular.module('my-module').service('my-service', ... thus angular needs to be defined, otherwise I'm getting an error. Furthermore many examples assume that the AngularJS code is written in TypeScript. In my case this is not true (just plain Javascript).

Unfortunately with Angular 9 there is an additional issue with the @angular/upgrade module which is not mentioned anywhere and can only be solved by disabling the new Ivy compiler in tsconfig.app.json, otherwise the compiler will throw Error: Error on worker #1: Error: getInternalNameOfClass() called on a non-ES5 class: expected UpgradeComponent to have an inner class declaration:

I am using Angular 8 for my Angular-Electron application. I have a field as API-Key stored in a tabular format which is quite sensitive and needs to be shown to user on user's account page. The problem is it needs to be shown as a password text-field. Whenever user will click on a button called "Show", the API-key would be visible for a few seconds perhaps or until user clicks the button again. It cannot be shown as an input field.

This is how the user account details are shown to user: