On 3rd May 2023, Angular 16 is launched. Some of the essential features of Angular 16 are, Improved standalone APIs Angular Signals takeUntillDestrory RxJS operator DestroyRef as an injectable provider Required input properties for directives Passing router data as a component input Self-closing tags ES Build support Nondestructive hydration for SSR Unit Testing with JestContinueContinue reading “Hello Angular 16”
Author Archives: Dhananjay Kumar
What is the purpose of the Second Parameter in creating an Angular Signal?
The angular signal() function creates a signal. This function takes two input parameters. Initial value Optional Equality function. By default, Angular executes the code of effect() even if the signal is set or updated with the same value. How can we avoid that? By leveraging the second parameter of the signal() function. Let usContinueContinue reading “What is the purpose of the Second Parameter in creating an Angular Signal?”
Interface Segregation Principle in TypeScript
The interface Segregation Principle is one of the fundamental principles of the SOLID principle. It says to keep the interface as small as possible. In the words of Uncle Bob, keep interfaces small so that classes don’t end up depending on things they don’t need. A client ( class) should not be forced to implementContinueContinue reading “Interface Segregation Principle in TypeScript”
How to check the status of an Angular Reactive Form’s Control
Sometimes, you may have a requirement to do something when the status of an Angular form control changes. For example, you have a Login Form, and when the status of the Email control changes from valid to invalid and vice versa, you need to perform some actions. In this post, let us see how weContinueContinue reading “How to check the status of an Angular Reactive Form’s Control”
How to Lazy and Dynamically Load a Component in Angular
There are three ways you can use a component in an Angular app. Loading on route change Using as a child component Dynamically loading on demand However, this article focuses on loading a component dynamically and lazily. The main advantage of lazily loading a component is reducing the initial bundle size and only downloading theContinueContinue reading “How to Lazy and Dynamically Load a Component in Angular”
Required @Input properties in Angular
Angular 16 adds a new future of making an @Input() decorated property REQUIRED, which means that to use that component, the value of the required property has to be passed. @Input({required:true}) title? :string; To Understand it, let us assume that you have a component named ProductComponent with @Input() decorated properties as shown below, const templateContinueContinue reading “Required @Input properties in Angular”
Dhananjay Kumar 