How to use the @better-scroll/shared-utils.hasClass function in @better-scroll/shared-utils

if (
        !hasClass(
          items[currentIndex] as HTMLElement,
          wheelDisabledItemClassName
        )
      ) {
        break
      }
      currentIndex--
    }

    if (currentIndex < 0) {
      currentIndex = cacheIndex
      while (currentIndex <= items.length - 1) {
        if (
          !hasClass(
            items[currentIndex] as HTMLElement,
            wheelDisabledItemClassName
          )
        ) {
          break
        }
        currentIndex++
      }
    }

    // keep it unchange when all the items are disabled
    if (currentIndex === items.length) {
      currentIndex = cacheIndex
    }
    // when all the items are disabled, this.selectedIndex should always be -1
    return {

private findNearestValidWheel(y: number) {
    y = y > 0 ? 0 : y < this.scroll.maxScrollY ? this.scroll.maxScrollY : y
    let currentIndex = Math.abs(Math.round(-y / this.itemHeight))
    const cacheIndex = currentIndex
    const items = this.items
    const wheelDisabledItemClassName = this.options
      .wheelDisabledItemClass as string
    // Impersonation web native select
    // first, check whether there is a enable item whose index is smaller than currentIndex
    // then, check whether there is a enable item whose index is bigger than currentIndex
    // otherwise, there are all disabled items, just keep currentIndex unchange
    while (currentIndex >= 0) {
      if (
        !hasClass(
          items[currentIndex] as HTMLElement,
          wheelDisabledItemClassName
        )
      ) {
        break
      }
      currentIndex--
    }

    if (currentIndex < 0) {
      currentIndex = cacheIndex
      while (currentIndex <= items.length - 1) {
        if (
          !hasClass(
            items[currentIndex] as HTMLElement,
            wheelDisabledItemClassName

private checkWheelAllDisabled() {
    const wheelDisabledItemClassName = this.options
      .wheelDisabledItemClass as string
    const items = this.items
    this.wheelItemsAllDisabled = true
    for (let i = 0; i < items.length; i++) {
      if (!hasClass(items[i] as HTMLElement, wheelDisabledItemClassName)) {
        this.wheelItemsAllDisabled = false
        break
      }
    }
  }
}

(el: HTMLElement, pos: { top: number; left: number }) => {
        if (!hasClass(el, this.options.wheelItemClass!)) {
          return true
        } else {
          pos.top = this.findNearestValidWheel(pos.top).y
        }
      }
    )