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use-request-animation-frame

v0.1.2

Published

React hook for easy and performant access to requestAnimationFrame browser API

Downloads

773

Readme

use-request-animation-frame

React hook for easy access requestAnimationFrame browser API. Written with Typescript and provides you with handy animation duration control.

Usage

  • Basic usage requres only one handler:

    const nextAnimationFrameHandler = (progress: number) => {...};
    useRequestAnimationFrame(nextAnimationFrameHandler);

    With this nextAnimationFrameHandler will be called every frame and progress variable will always have value 1, so you wont need it in your nextAnimationFrameHandler

  • Usage with duration:

    const myAnimatedDiv = React.useRef();
    const nextAnimationFrameHandler = (progress: number) => {
      if(myAnimatedDiv.current)
          myAnimatedDiv.current.style.left = progress * 100 + 'px'
      //...
    }
    useRequestAnimationFrame(nextAnimationFrameHandler, { duration: 2000 })

    In this casenextAnimationFrameHandler will be called every frame with progress calculated based on time when first animation frame was shown

  • Usage with shouldAnimate:

    const [shouldAnimate, setShouldAnimate] = React.useState(false);
    
    const nextAnimationFrameHandler = (progress: number) => {...};
    useRequestAnimationFrame(nextAnimationFrameHandler, { duration: 2000, shouldAnimate });

    In this casenextAnimationFrameHandler will not be called initially and animation will start only after setShouldAnimate(true) call

⭐ Happy Hacking ⭐

You can find more implementation details in my article