npm install scroll-risen

    yarn add scroll-risen

    import scrollrisen from 'scroll-risen/dist/scrollrisen.js'
    
    import 'scroll-risen/dist/scrollrisen.css'
    
    //init library(read more about the options below)
    scrollrisen.init({});

scrollrisen.init({
    //below is a list of default options
    easing: 'ease', //easing function
    duration: 2000, //animation duration in miliseconds
    trigger: 0.2, //determines the point when animation should kick in relative to viewport. 0 means as soon as element becomes visible, 1 means when top of the element reaches the top of the screen
    reverse: true, //should  reverse the animation if element is below the viewport
    debounce: 16, //how often should scroll handler be called
});