angular - inDepth.dev

Deep dive into the infamous ExpressionChangedAfterItHasBeenCheckedError in Angular

This earticle explores the mechanics of the ExpressionChangedAfterItHasBeenCheckedError and brielfly discusses some common setup that lead to the error

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From zone.js to zoneless Angular and back — how it all works

Explore the mechanism behind automatic change detection in Angular with zone.js and use cases when to jump in and out of Angular zone

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Change detection and component trees in Angular applications

We can think of an Angular application as a tree of components. Under the hood, for components Angular uses a low-level abstraction called View. In this article we'll take a detailed look how component tree corresponds to a tree of views

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Improve page performance and LCP with NgOptimizedImage

Explore mechanisms of NgOptimizedImage directive to improve overall page performance, targeting especially the Largest Contentful Paint (LCP) metric from Core Web Vitals. Enhance pages, make the best user experience and improve the web.

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Rendering cycle in Angular applications — browser, angular and zone.js interaction

Modern web stack involves lots of moving parts. Let's take a look at all the actors and their functions in a typical Angular application.

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Overview of Angular’s Change Detection operations in Ivy

In this article I want to provide an overview of all operations that Angular runs during change detection in the new Ivy engine.

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Component initialization without ngOnInit with async pipes for Observables and ngOnChanges

Explore various techniques to improve initlialization code in components. We will replace the ngOnInit entirely and propose better alternatives. We will cover subscriptions management, and other life cycle hooks, such as ngOnChanges.

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External Configurations in Angular

In this article, we will learn about external configurations in Angular.

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Complete Guide: Angular lifecycle hooks

In this article, we will take a deeper dive into each lifecycle hook and look at how they're used in Angular.

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The controllers of component concept in Angular: part II

The second part of how we organized the system of settings for all textfields in Taiga UI with the power of Dependency Injection in Angular.

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Exploring the difference between disabling a form control through reactive forms API and HTML attributes

Having parts of a form disabled is a common requirement for any large application. Sometimes users must be prevented from interacting with a form based on their role in an application.I n this article, we will explore different ways to disable reactive form controls.

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Telegraph with RxJS: the power of reactive systems

Explore interesting RxJS code and Angular directives in this fun exercise of recreating an analogue Morse code telegraph using your favorite tools!

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Typesafe code with Immer and where it can help in NgRx

Immer is a tiny library that uses structural sharing and proxy objects to guarantee the immutability pattern in the most efficient way. It's also very convenient when writing reducers to shorten code and ensure type safety.

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Tracking user interaction area

Explore one of the most complex pieces of Taiga UI — ActiveZone directive that keeps an eye on what region user is working with. It touches on low-level native DOM events API, advanced RxJS and Dependency Injection, ShadowDOM and more!

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Designing Angular architecture - Container-Presentation pattern

Designing architecture could be tricky, especially in the agile world, where requirement changes are frequent. So your design has to support that and provides extendibility without the need for serious modification. In such cases, you will find the Container-Presentation pattern instrumental.

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How OOP is mistreated in Angular

Object oriented programming - a word combination instantly recognized by almost every software developer in the world; even the ones who don't use (or even hate) it.

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Angular self-saving dropdowns - yet another directive

Use the power of Angular directives to create a reusable self-saving dropdown directive

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Leveraging Dependency Injection to reduce duplicated code in Angular

How to eliminate duplicated code when getting route params, query params or data from Activated Route in Angular by using dependency injection.

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Craft a complete GitLab pipeline for Angular. Part 2

Learn Gitlab to build a CI/CD pipeline for Angular apps and libraries. This second article focuses on deployment using two methods involving GitLab Registries and Pages. You'll also find docker jobs optimization tips using custom images.

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Faster Perceived Response Time with Angular Material to tackle Need for Speed

While the end-users interacting with apps have lower tolerance to response time and higher need for speed, this post discusses different ways front-end developers can cater to their need for speed with off-the-shelf components from Angular Material.

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Techniques to style component host element in Angular

Styling the host element is a crucial ability. Understanding that can completely change the way you develop reusable components, making their code clear and easier to maintain. This article will concentrate on techniques that use CSS styles and reduce Typescript logic.

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How to use ControlValueAccessor to enhance date input with automatic conversion and validation

In this article, we will learn how we can extend native date input through a directive so that it supports conversion of value and validation on value.

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How @taiga-ui/cdk can help you simplify your working with Angular: our 5 best practices

I decided to pick my favorite 5 tools from taiga-ui/cdk and explain how they can in any Angular app

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Adding a layer of more explicit typings on top of 3rd party library interfaces

Third party library interfaces are often loosely typed to support edge cases. However, there can be great benefits to layering more explicit types over the existing interfaces.

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Bindon: lesser known Angular template features

Angular 12 just came out which added a nullish coalescing operator (‘??’) to templates. But what are other features Angular templates have that you might have never heard of? Let’s find out!