Source

/aya.waifu.ist/public/scripts/lib/scroll.coffee

Modified ago

import {easeInOutQuad} from './utils'

scrollTo = (element, to, duration) ->
    start = element.scrollTop
    change = to - start
    currentTime = 0
    increment = 10

    animateScroll = ->
        currentTime += increment
        val = easeInOutQuad currentTime, start, change, duration
        element.scrollTop = val
        if currentTime < duration
            setTimeout animateScroll, increment
        return

    do animateScroll
    return



export default scrollTo