change detection

Understanding the Intricacies of Angular’s Async Pipe

October 14, 2019 Corey Woodfield 0 Comments

The Naive Approach to Using Angular’s Async Pipe When I was still fairly new to doing frontend development with TypeScript and Angular, I was tasked with building a component in Lucidchart that would show up conditionally. This seemed like a great opportunity to familiarize myself with Angular’s async pipe. The…

“Seeing” Angular Change Detection in Action Part II: OnPush, Observables, and the Async Pipe

July 2, 2018 Ty Lewis 1 Comment

In my last change detection post, we looked at an Angular demo where the central component rendered its own component tree as a literal tree graph, with nodes and edges and whatnot. That demo allowed us to visually follow the change detection system’s path through an actual component tree as…

Angular 2 Change Detection: “Seeing” It in Action

January 18, 2017 Ty Lewis 12 Comments

The Angular 2 change detection system is somewhat of a black box: you update some variables in the model, and the components update automatically. Thoughtram, Victor Savkin, and other websites have written some excellent posts explaining change detection (which we reference in this post). Often, these posts present a series…