core.js | A min lib focus on dom handle | Frontend Framework library

When I run npm start I am getting an error.

I am taking data from API to my Angular component file but when I assigned the data to my object variable It gives me error of cannot set property of undefined. Here is my code :

Class : UserDetails as

I coded my library which add Class to global window object:

I need to integrate reCaptchaV3 so I followed the ng-recaptcha-npm
Here is the base code that I implemented with the help of the ng-recaptcha-npm.
MyModule
import { RecaptchaV3Module, RECAPTCHA_V3_SITE_KEY } from 'ng-recaptcha';

Looked through past posts on SO but couldn't find the solution.

Environment:

1. Mac OS Big Sur
2. Rails 6.1.3.2
3. ruby 3.0.1p64

Github repo https://github.com/tenzan/ruby-bootcamp

Added Bootsrtap 5 according to https://blog.corsego.com/rails-6-install-bootstrap-with-webpacker-tldr

To push to heroku I ran git push heroku main

Output:

I'm upgrading sbt-scalajs version from 0.6.x to 1.0.0.

This is my old plugins.sbt config

I am working on a recipe app with angular, and trying to set up communication with backend services using HTTP. I have been following along with angular documentation to set this up, here is the link https://angular.io/guide/http#sending-data-to-a-server. When I add in the code to make a POST request, I get the following error:

Hello I'm testing a component and in that component I have CartService with two subjects. Im creating a spyObject for that service. And now when angular tries to subscribe to those subjects they are well undefined. Tried to returnValue of a Subject or something but nothing works for now. Still undefined.

This is the service and the Subjects.

I'm trying to unit test a component that requires a Resolver, Router and ActivatedRoute as dependencies. I've tried to use the RouterTestingModule and mock my resolver to provide them in the testing module, but it seems to have some side effects on the creation of the component instance.

Here is the code of my component:

History.component.ts