pinafore/routes/_components/VirtualList.html

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<:Window bind:scrollY='scrollY' bind:innerHeight='innerHeight' />
<div class="virtual-list" ref:node style="height: {{$height}}px;">
<!-- <div class="virtual-list-viewport" ref:viewport></div> -->
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{{#each $visibleItems as item, virtualIndex}}
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<VirtualListItem :component
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offset="{{item.offset}}"
props="{{item.item.props}}"
index="{{item.item.index}}"
key="{{item.item.key}}"
/>
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{{/each}}
</div>
<style>
.virtual-list {
position: relative;
}
</style>
<script>
import VirtualListItem from './VirtualListItem'
import { virtualListStore } from '../_utils/virtualListStore'
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export default {
oncreate() {
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console.log('scrollHeight', this.refs.node.scrollHeight)
this.store.set({
scrollHeight: this.refs.node.scrollHeight,
})
this.observe('innerHeight', innerHeight => {
this.store.set({
innerHeight: innerHeight
})
})
this.observe('items', (items) => {
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this.store.set({
'items': items
})
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})
this.observe('scrollY', (scrollY) => {
console.log('scrollY', scrollY)
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this.store.set({
scrollTop: scrollY
})
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})
},
data: () => ({
component: null
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}),
store: () => virtualListStore,
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components: {
VirtualListItem
}
}
</script>