@lifi/widget/src/hooks/useScrollableContainer.ts

LI.FI Widget for cross-chain bridging and swapping. It will drive your multi-chain strategy and attract new users from everywhere.

import { useCallback, useLayoutEffect, useState } from 'react'
import { getScrollableContainer } from '../utils/elements.js'
import { useDefaultElementId } from './useDefaultElementId.js'

export const useGetScrollableContainer = () => {
  const elementId = useDefaultElementId()
  const getContainer = useCallback(
    () => getScrollableContainer(elementId),
    [elementId]
  )

  return getContainer
}

export const useScrollableContainer = (elementId: string) => {
  const [containerElement, setContainerElement] = useState(() =>
    getScrollableContainer(elementId)
  )

  useLayoutEffect(() => {
    if (!containerElement) {
      setContainerElement(getScrollableContainer(elementId))
    }
  }, [containerElement, elementId])

  return containerElement
}

export const useScrollableOverflowHidden = () => {
  const elementId = useDefaultElementId()
  useLayoutEffect(() => {
    const element = getScrollableContainer(elementId)
    if (element) {
      element.style.overflowY = 'hidden'
    }
    return () => {
      if (element) {
        element.style.overflowY = 'auto'
      }
    }
  }, [elementId])
}