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Angular

How to Write Angular Unit Tests That Actually Work

Most applications leverage API requests to fetch data. Considering data fetching is crucial for Angular testing. Consequently, it's common to include HttpClient in your unit tests.

Mark Thompson

Mark Thompson

Angular

How to Use RxJS catchError Without Unsubscribing from New Events

Did you know you can use the catchError RxJS operator to catch errors without unsubscribing? It’s true! It all depends on where you plan to use the operator.

Igor Ciric

Igor Ciric

Angular

Getting Started with RxJS: All You Need to Know About Observables

RxJS is a library that combines the Observer pattern—where Observables or Subjects notify Observers of state changes—with functional programming to handle data changes over time.

Fábio Englert Moutinho

Fábio Englert Moutinho

Angular

Always Know When to Use Share vs. ShareReplay

Using share and shareReplay is pretty darn confusing. The way share and shareReplay work is not always obvious and might lead to unexpected behavior in your application.

Fábio Englert Moutinho

Fábio Englert Moutinho

Angular

Handling Errors with RxJS

In Angular and other modern web frameworks, the UI is so intertwined that one unexpected response from the server can turn a beautiful website into a blank screen. Fortunately, you can build in error handling to help avoid this terrible scenario.

Adrian Ferguson

Adrian Ferguson

Angular

What’s New in RxJS 7: Small Bundles and Big Changes to share()

RxJS 7 has shipped! For us Angular developers, it unfortunately did not ship in time for Angular 12.

Kyle Nazario

Kyle Nazario

Angular

Manage Form-Driven State with ngrx-forms (Part 2)

This post is a continuation from Part 1, where we set up a test project with NgRx and ngrx-forms in our Angular application. For part 2, we will validate our form.

Kyle Nazario

Kyle Nazario