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fix(empty gaps): prevent empty gaps on fast scrolling, fix (#863, #882) #888

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fix(empty gaps): prevent empty gaps on fast scrolling, fix (#863, #882) #888

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12 changes: 12 additions & 0 deletions packages/vue-virtual-scroller/src/components/RecycleScroller.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -756,8 +756,20 @@ export default {
throw new Error('Rendered items limit reached')
},

isAnyVisibleGap () {
// Check if any view index is not in sequence (detect gaps)
return this.pool
.filter(({ nr }) => nr.used)
.every(({ nr }, i) => i === 0 || nr.index !== this.pool[i - 1].index + 1)
},

sortViews () {
this.pool.sort((viewA, viewB) => viewA.nr.index - viewB.nr.index)

if(this.isAnyVisibleGap()) {
this.updateVisibleItems()
clearTimeout(this.$_sortTimer)
}
},
},
}
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