What’s New in Angular 8 and Why You Must Upgrade?

The new version of AngularJS, i.e. Angular 8, has been out for a while now and in fact, Angular technology will soon be seen in the form of the all-new Angular 9.

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The new version of AngularJS, i.e. Angular 8, has been out for a while now and in fact, Angular technology will soon be seen in the form of the all-new Angular 9. However, mobile development companies will need to wait longer for Angular 9. In the meantime, it’s advisable for providers of Angular JS development services to explore the great AngularJS tools and useful new features that Angular 8 has to offer. AngularJS is Google’s popular client-side web framework that is always evolving and with each major release, it promises features that focus on performance, stability, and tooling.

What’s New in Angular 8 and Why You Must Upgrade

The new AngularJS tools that we can see in Angular 8 will help any AngularJS development company with the required features to build better apps. Let’s look at some of the new tools and features that will make AngularJS web development and mobile development simple and exciting.

Differential loading

Differential loading is a new feature in Angular 8 that lets AngularJS developers create two different production bundles of the app. Attributes on the <script> tag in the index.html file allow the browser to request the correct bundle, i.e. browsers will request a bundle that uses ES2015 JavaScript syntax and will be significantly smaller than an older browser that will request a bundle using ES5 syntax. For any new mobile development, i.e. new app development, differential loading comes by default in version 8 of the CLI. The AngularJS development company can easily enable this feature on the existing apps by upgrading to Angular 8, adding a browserlist configuration file, and setting the “target” option in your tsconfig.json file to “es2015”, for faster loading bundles.

Easy loading syntax

AngularJS has been provider developers with the lazy loading feature for a long time now, and continues to offer it in version 8. The change this time is that instead of the proprietary syntax that supports lazy loading, Angular now offers a more common dynamic import syntax that has been used widely in client-side web development. The difference is that the new syntax does not rely as much on parsing class names from strings.

Use CLI to create web workers

Angular 8 has made it very easy for an AngularJS development company to use web workers for CPU-intensive tasks in a mobile app. The version 8 CLI has a new schematic for creating and updating the necessary files in a project to add a new web worker, and also offer a basic template for a new web worker, thus taking care of the boilerplate syntax and enabling faster writing of the code that will be run on a background thread.

Better APIs

Angular 8 also comes new APIs that enhance the level of AngularJS development services by enabling the custom creation and deployment of commands using hooks into the familiar ng build, ng test, and ng run commands. Angular 8 also has new APIs that allow the developer to open and work with the workspace defined in the specific angular.json file. Thus cuts down the manual manipulation required to configure your project without errors.

A development guide

Version 8 also has AngularJS tools that make it easier for JavaScript developers to keep track of deprecated features and APIs, while ensuring that developers and the development community will get enough time for remediation. The Angular team has promised that they will continue to support features for two major releases after they have been deprecated, thus ensuring stability of the framework and a smooth transition away from older features.

Still awaited – Ivy and Bazel

AngularJS developers were excited about Ivy and Bazel, but these promising new features were not launched with Angular 8. Ivy is being marketed as the next-generation compilation and rendering pipeline, and is expected to produce smaller, faster application bundles. An AngularJS development company can however experience Ivy with an opt-in preview of Ivy. With Ivy, it becomes easier for developers to read and understand the code created by the Angular compiler. Ivy also reduces rebuild times, allows faster parsing and supports better template type checking so that developers can identify more errors at build time instead of at runtime. The best part is that Ivy is expected to be compatible with existing Angular apps, so developers can get all benefits without having to change any app itself.  

Bazel is an open-source build and will eventually be integrated with the standard Angular toolset to help developers do incremental builds on large projects at a faster pace and make AngularJS web development and mobile development easier.

Support for Web workers

Angular 8 provides better support for bundling web workers with the Angular CLI, which means front-end developers no longer need to be limited to using a single thread. The only glitch is that in case of web workers, the code that runs in the worker must be a different JavaScript file than the rest of the app. This can create problems with tools like the Angular CLI that want to automatically bundle up JavaScript into fewer files. 

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Now the question is, should you upgrade your to Angular 8, or stick with Angular 7? As a top AngularJS development company, we recommend that you should upgrade especially since there are no large changes required and existing apps can work as-is without any changes. Also remember that if you want to use Ivy, then upgrading to Angular 8 is a must. If your apps will need changes, then it’s better to upgrade now and fix what’s required than have your apps stop working in Angular 9 or 10 when Ivy becomes the default.

Published Date: November 26, 2019

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