Enhancing Your Angular App: Adding Visual Effects to Post Deletion

Discover how to implement visual feedback in Angular when deleting posts using the ngx-toastr package to enhance user experience.
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This video is based on the question https://stackoverflow.com/q/71018438/ asked by the user 'stan' ( https://stackoverflow.com/u/17750444/ ) and on the answer https://stackoverflow.com/a/71018791/ provided by the user 'spaleet' ( https://stackoverflow.com/u/14353529/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Enhancing Your Angular App: Adding Visual Effects to Post Deletion

When developing a frontend application using Angular, one common interaction is deleting items from a list, such as posts. However, as a beginner in Angular, you might notice that when you delete a post, it simply disappears without any visual feedback. This can leave users uncertain about whether their action was successful. In this guide, we’ll explore how to address this issue by adding effects to clearly show that a post has been deleted.

The Problem

The typical delete process, as illustrated in your code, simply removes the item from the list and logs a message to the console. While the item does disappear from the display, users often appreciate visual confirmation for their actions. Therefore, you will learn how to implement visual effects that will confirm the deletion to users promptly.

Current Delete Functionality

Here’s a brief overview of your current delete method:

[[See Video to Reveal this Text or Code Snippet]]

This function effectively removes a post by filtering it out from the messages array— however, it lacks user feedback.

Solution: Adding Visual Feedback with Ngx-Toastr

To enhance user experience, we can use the ngx-toastr package to provide visual notifications when a post is deleted. Let’s break down the steps to integrate this package into your Angular application.

Step 1: Install Ngx-Toastr

First, you’ll need to install the ngx-toastr package using npm. Open your terminal and run the following command:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Update Your App Module

Next, you need to import the ToastrModule into your app. Navigate to your app.module.ts file and make the following adjustments:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Modify Your Delete Function

With ngx-toastr set up, we can enhance the deletePost1 method in your component to provide visual feedback. Here’s how to adjust the function:

[[See Video to Reveal this Text or Code Snippet]]

Breakdown of the Code

Constructor Injection: The ToastrService is injected into the component’s constructor, allowing you to use it throughout.

Success Notification: After successfully deleting the post, a success notification is displayed for 2.5 seconds, providing immediate feedback to the user.

Conclusion

By following the steps above, you can improve user experience in your Angular application by adding clear visual feedback upon the deletion of posts. The ngx-toastr package offers a simple yet effective way to notify users that their actions have been registered successfully. Visual cues not only enhance interactivity but also build trust in your application. Enjoy coding your Angular frontend and happy deleting!

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