useThrottle

A custom React hook for throttling the updates of a value.

Play

Usage

import { useState } from "react";
import { useThrottle } from "@cannonui/reacthooks";

const TestUseThrottle = () => {
  const [value, setValue] = useState(0);

  const throttleValue = useThrottle(value, 2000);
  const handleClick = () => {
    setValue((prev) => prev + 1);
  };
  return (
    <div>
      <button onClick={handleClick}>invoke fn</button>
      <div>value: {value}</div>
      <div>throttle value: {throttleValue}</div>
    </div>
  );
};

export default TestUseThrottle;

Return Value

The hook returns the throttled value, which is updated based on the provided interval.

Parameters

Features

• Throttles the updates of a value based on the specified interval.
• Returns the throttled value that is updated at the defined interval.

Example

In this example, we have a component called TestUseThrottle that uses the useThrottle hook to throttle the updates of a value. When the “Invoke function” button is clicked, the value state is incremented by 1. However, the displayed throttleValue will only update every 2 seconds (2000ms), preventing rapid updates and optimizing performance for certain scenarios.

Use Scenario

The useThrottle hook is useful in scenarios where you want to limit the frequency of updates to a value, especially for computationally expensive operations or for handling rapid user interactions like input events. By throttling the updates, you can avoid unnecessary re-renders and improve the overall performance of your React application.

Note: The actual implementation of the hook (useThrottle) is not shown in this example, but it ensures that the throttleValue is updated only at the specified interval and reflects the latest value of value.