143 lines
6.6 KiB
Vue
143 lines
6.6 KiB
Vue
<template>
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<DocSectionText v-bind="$attrs">
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<p>The <i>delay</i> property adds a threshold to wait in milliseconds during scrolling for render optimization.</p>
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</DocSectionText>
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<div class="card flex flex-wrap justify-content-center gap-5">
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<div>
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<span class="font-bold block mb-2">No Delay</span>
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<VirtualScroller :items="items" :itemSize="50" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">150ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="150" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">500ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="500" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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</div>
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<DocSectionCode :code="code" />
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</template>
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<script>
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export default {
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data() {
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return {
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items: null,
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code: {
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basic: `
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<VirtualScroller :items="items" :itemSize="50" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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<VirtualScroller :items="items" :itemSize="50" :delay="150" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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<VirtualScroller :items="items" :itemSize="50" :delay="500" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>`,
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options: `
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<template>
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<div class="card flex flex-wrap justify-content-center gap-5">
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<div>
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<span class="font-bold block mb-2">No Delay</span>
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<VirtualScroller :items="items" :itemSize="50" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">150ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="150" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">500ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="500" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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items: null
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};
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},
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mounted() {
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this.items = Array.from({ length: 100000 }).map((_, i) => \`Item #\${i}\`);
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}
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};
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<\/script>`,
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composition: `
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<template>
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<div class="card flex flex-wrap justify-content-center gap-5">
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<div>
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<span class="font-bold block mb-2">No Delay</span>
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<VirtualScroller :items="items" :itemSize="50" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">150ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="150" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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<div>
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<span class="font-bold block mb-2">500ms</span>
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<VirtualScroller :items="items" :itemSize="50" :delay="500" class="border-1 surface-border border-round" style="width: 200px; height: 200px">
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<template v-slot:item="{ item, options }">
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<div :class="['flex align-items-center p-2', { 'surface-hover': options.odd }]" style="height: 50px">{{ item }}</div>
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</template>
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</VirtualScroller>
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</div>
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</div>
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</template>
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<script setup>
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import { ref } from 'vue';
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const items = ref(Array.from({ length: 100000 }).map((_, i) => \`Item #\${i}\`));
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<\/script>`
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}
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};
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},
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mounted() {
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this.items = Array.from({ length: 100000 }).map((_, i) => `Item #${i}`);
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}
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};
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</script>
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