Tag: svg in react

React SVG Import: What Does “ReactComponent as” Mean?

If you’ve worked with React, you might have seen this syntax:

import { ReactComponent as SomeIcon } from 'assets/some-icon.svg';

And wondered:

🤔 What is ReactComponent?
🤔 How is an SVG becoming a React component?
🤔 When should we use this?

Let’s break it down step-by-step in a very simple way 👇

What Does This Syntax Mean?

import { ReactComponent as SomeIcon } from 'assets/some-icon.svg';

👉 This means:

“Import the SVG file and use it as a React component”

Usage

<SomeIcon />

👉 Instead of:

<img src="some-icon.svg" />

How Does This Actually Work?

This is not plain JavaScript behavior.

👉 It is handled by your build tool (like Webpack or Vite).

Behind the Scenes

Tools like:

  • SVGR (SVG to React transformer)

convert your SVG file into:

function SomeIcon(props) {
  return (
    <svg {...props}>
      {/* SVG content */}
    </svg>
  );
}

👉 So your SVG becomes a React component internally

Normal SVG vs React Component

❌ Traditional Way

<img src="/icon.svg" alt="icon" />

✅ React Component Way

import { ReactComponent as Icon } from './icon.svg';

<Icon />

Why Use SVG as React Component?

1. Easy Styling

<Icon style={{ color: 'red', width: 50 }} />

👉 You can style it like a component

2. Dynamic Props

<Icon width={30} height={30} />

3. Better Control

You can:

  • Change color
  • Animate
  • Add events

Add Event Handlers

<Icon onClick={() => alert('Clicked')} />

Example (Real Usage)

SVG File

<!-- icon.svg -->
<svg viewBox="0 0 24 24">
  <path d="..." />
</svg>

React Usage

import { ReactComponent as Icon } from './icon.svg';

function App() {
  return <Icon width={40} height={40} />;
}

Styling with CSS

.icon {
  fill: blue;
}
<Icon className="icon" />

Important Note (Color Control)

For dynamic color:

👉 SVG must use:

fill="currentColor"

👉 Then:

<Icon style={{ color: 'green' }} />

Common Mistakes

❌ Using wrong import

import Icon from './icon.svg'; // ❌

👉 This gives image path, not component

❌ Missing configuration

👉 Works only if:

  • CRA (Create React App)
  • Vite (with plugin)
  • Webpack configured

When It Works Automatically

Works out-of-the-box in:

  • Create React App
  • Vite (with SVGR plugin)
  • Next.js (with config)

When to Use <img> vs Component

Use <img> when:

  • Simple display
  • No styling needed

Use React Component when:

  • Need styling
  • Need animations
  • Need dynamic behavior

Interview Tip

If asked:

“What is ReactComponent as in SVG import?”

👉 Answer:

“It converts SVG into a React component using tools like SVGR, allowing us to use it like JSX.”

Final Summary

  • ReactComponent converts SVG → React component
  • Enables styling, events, and dynamic behavior
  • Powered by tools like SVGR
  • Better than <img> for interactive UI

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