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Learn how to dynamically render multiple SVG icons in React using TypeScript with this easy-to-follow guide. Unlock the potential of SVG icons!
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This video is based on the question https://stackoverflow.com/q/70265960/ asked by the user 'grimmus' ( https://stackoverflow.com/u/1680496/ ) and on the answer https://stackoverflow.com/a/70266088/ provided by the user 'MarcRo' ( https://stackoverflow.com/u/11641932/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Dynamically Render SVG Icons in React with TypeScript: A Step-by-Step Guide

SVG icons are a popular choice in web development for their scalability and versatility. However, managing a growing library of SVG icons in your application can be challenging. In this guide, we will address how to dynamically render multiple SVG icons in your React application using TypeScript, allowing you to effectively manage a larger set of icons without cluttering your component logic.

The Problem: Managing Multiple Icons

Imagine you have a directory filled with SVG icons that you can import and use throughout your application. For example, you may start with five icons like this:

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

Now, as your project grows, you might need to add 30 or more icons. Manually rendering each icon can lead to repetitive code and is not maintainable.

Your goal is to find a way to dynamically render all the available icons without writing custom JSX for each one. This is where the challenge lies—how to correctly implement this dynamic rendering in TypeScript.

Solution: Dynamic Icon Rendering in TypeScript

Understanding Object Entries

To accomplish dynamic rendering, we can leverage JavaScript's Object.entries() method, which allows us to iterate over the keys and values of an object. In this case, our OtherIconsGroup object represents our imported SVG icons.

Implementation Steps

Here’s how you can efficiently render your icons dynamically:

Step 1: Using Object.entries()

You can use Object.entries() to map over the icons and render them as components. Here’s the refined approach:

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

In this code:

Object.entries(OtherIconsGroup) returns an array of key-value pairs from the OtherIconsGroup object.

The underscore _ is used for the key (not needed here), while Icon is the imported component (SVG icon).

We create a new array of JSX elements that correspond to each SVG icon.

Step 2: Using Object.map() Alternative

Alternatively, you might prefer to structure it like this:

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

This snippet achieves the same result. Here’s how it works:

Object.keys(OtherIconsGroup) gives you an array of icon names.

For each icon name, we retrieve the corresponding icon component and return it as JSX.

Final Notes

Make sure to manage your TypeScript types properly. If you're encountering type errors regarding intrinsic attributes, ensure that your SVG components are typed correctly. Here’s a common error you might face:

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

This indicates that TypeScript does not recognize the props you’re trying to pass. Double-check your icon components to ensure they are set up correctly to accept these attributes.

Conclusion

Dynamically rendering SVG icons in React with TypeScript can streamline the management of your icon library as your application scales. By using either Object.entries() or Object.keys(), you can efficiently create a clean and manageable implementation for your icons.

Start integrating these solutions into your project today, and watch your icon handling become much more elegant!