<template>
  <div
    ref="scroller"
    class="tw-relative -tw-m-4 tw-pb-8 tw-overflow-x-visible tw-overflow-y-scroll tw-overscroll-contain"
  >
    <ol class="tw-m-0 tw-p-4" v-bind="attrs">
      <slot />
    </ol>
    <div
      v-if="isLoading"
      class="tw-absolute tw-bottom-0 tw-left-1/2 -tw-translate-x-1/2 tw-inline-flex tw-justify-center tw-text-blue-300"
    >
      <Loading class="tw-h-2" />
    </div>
  </div>
</template>

<script lang="ts" setup>
import { useInfiniteScroll } from '@vueuse/core'
import { ref, useAttrs } from 'vue'
import Loading from './Loading.vue'

const props = defineProps<{
  loadMore: () => void | Promise<void>
}>()
const attrs = useAttrs()
const scroller = ref<HTMLOListElement>()
const isLoading = ref(false)

async function loadMoreData() {
  isLoading.value = true
  try {
    await props.loadMore()
  } finally {
    isLoading.value = false
  }
}

loadMoreData()
useInfiniteScroll(scroller, loadMoreData)
</script>

<script lang="ts">
export default {
  inheritAttrs: false,
  compatConfig: {
    MODE: 3,
  },
}
</script>