Angular 17

Angular does not provide something like AsyncInput, but you can work around with ReplaySubject

One of the biggest disadvantages of using environment.env.ts is that you have to rebuild your application each time you want to change the configuration and build for each environment separately. But there is a better way where you can download the configuration file before the application runs, which means: one build - many configurations.

You can find plenty of examples showing how state management libraries work, few people focus on it why do we need state management and what problems does it cause (solve?). In this article I will walk you through, step by step, what common application state issues might look like applications and how to deal with them regardless of whether you use because it doesn't matter what you use, only for what purpose.

By default `MatTabsGroup` opens the first available tab. We can change it via input, but a more elegant way is to create a logic to save the selected tab into a URL (thanks to the anchor) and allow users to send a URL with the already selected tab.

You can test effects using marbles but unfortunately, they are very complicated. Instead of marbles, you can test your effects using promises without any trade-offs.