Angular 8.0 Is Available now: How to upgrade & what are the features?
Advantages of angular 8
• Angular 8 enables clean code development, and second, it performs better than prior versions.
• Angular can also manage to route. Angular makes switching between views simple.
• Angular CLI changes are also ongoing (Command Line Interface).
• It also enables debugging templates in Angular 8 and recovering the status of location services.
A multi-domain capability. Know the foundations of Angular 8, we can start studying & familiarizing ourselves with the new features that Angular 8 will provide.
Upgraded Features of Angular 8.0
Angular eight comes with a new set of strong capabilities that Angular developers will love. It covers the core framework, Angular Material, and CLI.
• Angular projects may be executed via the Angular Console.
• Second, #angular/fire for Angular integration with Firebase
• StackBlitz’s integrated IDE
• Finally, NativeScript for Angular native mobile applications
Let’s get to the point of this article: what are the new features? So, let’s review the new features in Angular 8 & update Angular 7 apps to Angular 8. Starting with Ivy, the most vital.
Angular users have probably heard about Ivy. Ivy was a big shift in the history of Angular. It is a rendering engine that employs incremental DOM and generates a tiny bundle size. Ivy modifies the framework’s internals without affecting Angular apps. The Ivy projects modify the Angular compiler & runtime code to improve building speeds.
Lazy loading of components instead of modules is a new possible feature. Look out for the best angular development services.
In terms of testing, Ivy is available as an opt-in preview in Angular 8. Angular developers may work on this to identify their application’s potential and performance; after completion, apps will be simpler, smaller, & quicker.
Advantages of IVY in Angular 8
Pre-compiled code allows for smaller builds and faster rebuild times.
• metadata.json is not required.
• Angular now supports metaprogramming.
Using Ivy in Angular 8 involves two fundamental principles.
Two main concepts of IVY
• Trembleable. It refers to removing unneeded code that the framework does not comprehend. But the component refers to them. If it doesn’t reference an instruction that will never be utilized, we may remove it from the bundle, making it smaller & quicker to load.
• Low Memory Footprint. It means that if the incremental DOM doesn’t update the DOM, it doesn’t require memory to re-render the view. So it allocates RAM while adding or removing DOM elements. However, most render/template calls do nothing, saving a lot of RAM.
Let us now discuss differential loading.
Differential loading will help construct apps faster with contemporary syntax and fewer polyfills. It will improve the loading performance of current browsers and save 7-20% of the bundle size.
Router Backwards Compatibility of Angular
Angular 8 has introduced a backward compatibility option to the Angular router to assist in upgrading big applications. It will also simplify moving to Angular by enabling lazy loading of Angular 1. x applications utilizing $route APIs. Angular 1. x applications may be upgraded to Angular 2+ right immediately.
Enhanced Web-Worker Bundling
Angular CLI 8 supports web workers generating production bundles and improving parallelizability and performance. Angular 8 now adds CLI building capabilities for web worker bundles.
It is a new feature of Angular 8 that allows you to create CLI apps using Bazel. However, the Angular framework uses Bazel.
Currently, Bazel is an opt-in, and it is scheduled to be included in Angular 9. Let us now examine Basel’s main benefits. Angular development company can easily provide you the support for the same.
Bazel key advantages
• It will allow us to create our backends/frontends using the same tool.
• It will reduce construction time. While Bazel aims for repeatable builds, concurrent builds will be quicker and benefit applications that use modules and libraries.
• Build incrementally. En outre will help develop and distribute just changes rather than the full App. So the codebase will only cause a minimal rebuild.
• You may also eject the hidden Bazel files.
• Finally, it allows for slim builds with caching on a build farm.
Lazy loading uses Angular Routing techniques to reduce the size of huge files by loading them slowly. However, in prior Angular versions, the route configuration utilizes the string-accepting parameter “loadChildren.” Angular does not consider it incorrect and accepts the value as a string until we construct it. Angular 8 included support for dynamic imports in the router configuration to fix this. It allows lazy loading of modules via import statements, which IDEs, webpack, etc., understand.
Opt-In Usage Sharing
Opt-in usage sharing is a new feature of Angular CLI that aligns with communities. Angular 8 now collects statistics such as command use & build speed to keep track of the developer’s progress. This functionality also allows sharing Angular CLI use telemetry with the Angular team.
Dart-sass for Sass files
Angular has finally replaced node-sass with dart-sass for producing Sass files. It is also ready to replace Ruby. These files were normally left unmodified. However, the compiler may become stringent. Experts perceive Dart to be speedy. Using the fibres might also boost speed. Dart is now the default, which is a major deal.
The latest Angular version supports the Builders API. It also leverages builders for important tasks like serving, constructing, testing, and e2e. Built-in logic and task behaviour are implemented using builder functions supplied to the construct builder() method. The angular-devkit/architect package is utilized, and custom builders may be created.
AngularJS API Migration Enhancement with $location service
The Angular Team wants to help all AngularJS developers stay updated with the newest Angular. The $location service in AngularJS has been improved to better integrate with hybrid projects. However, the new angular/common upgrade package may assist.
•Obtain the location service’s status; second, monitor all location changes.
•It retrieves the AngularJS hostname protocol port search properties.
This API allows you to mock your platform’s location service.
Angular 5 introduced the service worker implementation. This service worker may be used by
Angular developers using the Angular CLI and Angular Service Worker. So it improves reliability and
performance without writing code against low-level APIs.
Typescript 3.4.x update
Angular 8 has upgraded its dependencies, such as RxJS and TypeScript, to v3.4 ( Angular 7 uses v3.2).
Upgradation from Angular 7 to Angular 8
The new Angular 8 capabilities are nice, but the major reason to upgrade is the speed improvement.
Moving from Angular 7 to 8 is angular for those familiar with prior Angular versions.
Most developers can update with one command:
$ ng update @angular/cli @angular/core
Things to consider while upgrading to the Angular 8 version:
•First, TypeScript 3.4 may cause syntax issues while upgrading to Angular 8. It may also exacerbate certain pre-existing difficulties.
•Secondly, Node.js 12 or later is required without fail. Then run $ node -v to see what Node version you’re on. If it’s old, update it.
Angular development company has done an excellent job with the new capabilities in Angular 8. Like Ivy, dynamic imports, new builder API, and web worker support. This version focuses on improving the Angular platform by
focusing on advanced technology trends. Also, the Angular 8.0 upgrade enables existing apps to run seamlessly without any modifications.
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