Olá Walisoul, segue alguns links de temas que estou aprofudando no momento.
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Curso de Angular 2 da Loiane Groner
https://www.youtube.com/watch?v=tPOMG0D57S0 -
Testes com Angular 2+ (em inglês)
https://angular.io/guide/testing -
Entendendo rxjs observables com Angular
https://tableless.com.br/entendendo-rxjs-observable-com-angular/ -
How to Configure ESLint and Prettier in an Angular Application
https://javascript.plainenglish.io/how-to-configure-eslint-and-prettier-on-angular-application-87dbd767369c -
Good testing practices with Angular Testing Library
https://timdeschryver.dev/blog/good-testing-practices-with-angular-testing-library -
Angular Architecture - Smart Components vs Presentational Components
https://blog.angular-university.io/angular-2-smart-components-vs-presentation-components-whats-the-difference-when-to-use-each-and-why/