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Fast scrolling elements disappear #882

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4 tasks done
11003 opened this issue Dec 10, 2024 · 0 comments
Open
4 tasks done

Fast scrolling elements disappear #882

11003 opened this issue Dec 10, 2024 · 0 comments

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@11003
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11003 commented Dec 10, 2024

Describe the bug

Drag the right scroll bar to move quickly, and the item elements disappear visually

Close browser developer tools. Test

Reproduction

https://pure-admin.github.io/vue-pure-admin/#/components/virtual-list

Code:

<script setup lang="ts">
import { ref, computed } from "vue";
import { DynamicScroller, DynamicScrollerItem } from "vue-virtual-scroller";
import "vue-virtual-scroller/dist/vue-virtual-scroller.css";

const items = ref([]);
const search = ref("");

for (let i = 0; i < 800; i++) {
  items.value.push({
    id: i
  });
}

const filteredItems = computed(() => {
  if (!search.value) return items.value;
  const lowerCaseSearch = search.value;
  return items.value.filter(i => i.id == lowerCaseSearch);
});
</script>

<template>
  <div class="dynamic-scroller-demo">
    <DynamicScroller
      :items="filteredItems"
      :min-item-size="54"
      class="scroller"
    >
      <template #default="{ item, index, active }">
        <DynamicScrollerItem
          :item="item"
          :active="active"
          :size-dependencies="[item.id]"
          :data-index="index"
          :data-active="active"
          :title="`Click to change message ${index}`"
          class="message"
        >
          <div class="flex items-center">
            <svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"><path fill="currentColor" d="M256 48C141.31 48 48 141.31 48 256s93.31 208 208 208s208-93.31 208-208S370.69 48 256 48m80 224h-64v64a16 16 0 0 1-32 0v-64h-64a16 16 0 0 1 0-32h64v-64a16 16 0 0 1 32 0v64h64a16 16 0 0 1 0 32"/></svg>
            <span>{{ item.id }}</span>
          </div>
        </DynamicScrollerItem>
      </template>
    </DynamicScroller>
  </div>
</template>

<style scoped>
.dynamic-scroller-demo {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.scroller {
  flex: auto 1 1;
  border: 1px solid #333;
}

.message {
  box-sizing: border-box;
  display: flex;
  min-height: 32px;
  padding: 12px;
}
</style>

System Info

"vue-virtual-scroller": "2.0.0-beta.8",
System:
    OS: Windows 11 10.0.22631
    CPU: (12) x64 12th Gen Intel(R) Core(TM) i5-12400F
    Memory: 12.87 GB / 31.82 GB
  Binaries:
    Node: 20.15.0 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.22.22 - C:\Program Files\nodejs\yarn.CMD
    npm: 10.7.0 - C:\Program Files\nodejs\npm.CMD
    pnpm: 9.15.0 - C:\Program Files\nodejs\pnpm.CMD
  Browsers:
    Edge: Chromium (130.0.2849.80)
    Internet Explorer: 11.0.22621.3527

Used Package Manager

pnpm

Validations

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