Rxjs

— — — — — Observable Producer/Source/Content Creator — Kind hearted thing who always known for giving something. (Stream of data) Example: Teacher, Vending machine etc. Attention Grabber — From the name itself we can understand it going to do something and have the ability to make others notice. …

For faster responses and smoother interactions — HTTP request cancellation in Angular means that you abort or cancel an ongoing HTTP request before it gets completed. Here are a few situations in which request cancellation might be beneficial: In case the user makes multiple similar requests in a short timeframe, canceling unnecessary requests might help us optimize…

I have to say the title for this article was pretty hard to phrase correctly but if you’ve arrived here after searching for the key terms then credit to you. This problem can come up in real-world applications and sometimes in interview questions. Let’s say you want to make 10,000…

All the resources you’ll need to master Angular Signals — A new primitive type called “Signal” has been introduced in Angular v16. It’s designed to store a value similar to a regular variable. When the Signal’s value changes, it notifies the interested consumers. Signals store both primitive data types and objects. In case we use the OnPush change detection in…

Everything you need to know about RxJS in Angular Welcome to the world of reactive programming with RxJS and Angular! In this comprehensive guide, we’ll explore RxJS, a powerful library that enables reactive programming in Angular apps. …

Web is a rich ecosystem with a bunch of powerful APIs that keeps getting bigger. There are things we are used to like Canvas or IntersectionObserver, but the ever growing list of browsers capabilities now includes Web MIDI API, Speech Recognition and even more exotic things like gamepads and VR…

A guide on optimizing the performance of Angular apps using the RxJS library along with other Angular features. — Nowadays, performance optimization tends to be an extremely popular topic, especially among users and their business representatives. As a user, I want to be able to navigate, add to my shopping cart, checkout or browse without any delay! I want to access the content I am looking for almost instantly…

concat is another very useful RxJS operator that is used for calling Observables in sequence. Recently I came across a situation in my project where I needed to call APIs in sequence. Usually such sequence can be handled using concatMap operator. but the challenge here was that the APIs which…

RxJS is a powerful library, well fit to manage streams of values. But with power comes responsibility, and with responsibility the need of care. This is a story of a subtle bug introduced in a Node application by not applying enough care and not leveraging Typescript at its best. The problem logic What…