useRenderCount
Identify unnecessary re-renders and monitor update frequency with useRenderCount.
Install:
npm i @uidotdev/usehooks
Description:
The useRenderCount hook is a useful tool for tracking the number of times a component renders or re-renders. Each time the component renders, the count value is incremented, allowing you to keep track of the render count. This can be helpful in optimizing performance, identifying unnecessary re-renders, or monitoring how frequently a component is being updated. The hook provides a simple and efficient way to gain insights into the rendering behavior of your components.
Return Value
| Name | Type | Description |
|---|---|---|
| renderCount | number | The number of times the component has rendered. |
Demo:
Example:
import * as React from "react";
import { useRenderCount } from "@uidotdev/usehooks";
export default function App() {
const renderCount = useRenderCount();
const [count, setCount] = React.useState(0);
return (
<section>
<header>
<h1>useRenderCount</h1>
<h6>(strict mode on)</h6>
</header>
<button className="primary" onClick={() => setCount((c) => c + 1)}>
Increment
</button>
<p>Count: {count}</p>
<p>Render Count: {renderCount}</p>
</section>
);
}More Hooks:
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