useLogger
Debug lifecycle events with useLogger.
Install:
Note: This hook depends on React’s experimental useEffectEvent.
npm i @uidotdev/usehooks@experimental react@experimental react-dom@experimental
Description:
The useLogger hook is useful for logging various lifecycle events in a React component. This custom hook accepts a name parameter and additional arguments, and it logs the lifecycle events (mounted, updated, and unmounted) along with the provided name and arguments. This useLogger hook can be employed to facilitate debugging, monitoring, or performance optimization by providing insights into when and how a component’s lifecycle events occur.
Parameters
| Name | Type | Description |
|---|---|---|
| name | string | The name or identifier for the logger. |
| …rest | any | Additional arguments to be logged. |
Demo:
Example:
import * as React from "react";
import { useLogger } from "@uidotdev/usehooks";
function FirstChild(props) {
useLogger(props.name, props);
return (
<li className={props.isActive ? "active" : ""}>
<h5>{props.name}</h5>
<p>{props.count}</p>
</li>
);
}
export default function App() {
const [count, setCount] = React.useState(0);
const handleClick = () => setCount(count + 1);
return (
<section>
<h1>useLogger</h1>
<h6>(Check the console)</h6>
<button className="primary" onClick={handleClick}>
Increment Count
</button>
<ul>
{["First", "Second", "Third"].map((item, index) => {
const isActive = count % 3 === index;
return (
<FirstChild
key={index}
name={item}
isActive={isActive}
count={count}
/>
);
})}
</ul>
</section>
);
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