yy-virtual-list
v1.0.8
Published
web components virtual list
Downloads
4
Maintainers
yy1999Readme
Component properties
| property | explain | type | default | | ----------------------- | --------------------------------------------------------------------------------------------------------------------------- | -------- | ------------------------------------------- | | estimated-height | estimate the height of each item | number | 50 | | height-fixed | whether the height of each item is fixed? If true, the true height will not be obtained. The estimated-height shall prevail | number | false | | buffer | number of virtual list buffers | number | 4 | | page | page number | number | 1 | | size | pageSize | number | 10 | | request | getting data | Function | ()=>{} | | built-in | Whether to use built-in list notation | boolean | false | | container-styles-string | Container css Styles | string | height:50vh;background:#f5f5f5;margin:1rem; |
Component slots
| slot name | explain | | --------- | ------------ | | loading | data loading | | loaded | data loaded | | empty | data empty |
Component method
| name | explain | type | | ------- | --------------------------------- | -------- | | refresh | refresh the list keep page, size | Function | | reload | refresh the list reset page, size | Function |
Examples of Use
vue
<!-- @format -->
<template>
<div class="demo">
<div @click="onReload">reload</div>
<yy-virtual-list id="virtualListId" ref="yyEl" :estimatedItemSize="192" @change="virtualListChange" :request="fetchDemo" style="--containerHeight: 50vh">
<div class="card" v-for="item in virtualList" :key="item._index" :id="item._index">
<div class="inner">
<div>{{ item.index }}</div>
<div>{{ item.name }}</div>
<div>{{ item.email }}</div>
</div>
</div>
</yy-virtual-list>
</div>
</template>
<script setup lang="ts">
import { ref } from "vue"
import "yy-virtual-list"
const fetchDemo = async (page: number, size: number) => {
return new Promise((resolve) => {
setTimeout(() => {
const data = []
for (let i = 0; i < size; i++) {
data.push({
index: (page - 1) * size + i + 1,
name: `name${page}`,
email: `email${i}@email.com`,
})
}
resolve(data)
}, Math.random() * 1000)
})
}
const virtualList = ref([] as any)
const virtualListChange = (val: any) => {
virtualList.value = val.detail
}
const yyEl = ref()
const onReload = () => {
yyEl.value?.reload()
}
</script>
<style>
:root {
--containerHeight: 30vh;
}
.card {
padding: 1rem;
color: #fff;
}
.inner {
background: #3c3c3c;
border-radius: 20px;
padding: 0.5rem;
}
</style>
vite 去除自定义标签警告
plugins: [
vue({
template: {
compilerOptions: {
// 将所有带yy短横线的标签名都视为自定义元素
isCustomElement: (tag) => tag.includes('yy-virtual-list'),
},
},
}),
],html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<script type="module" src="/src/index.ts"></script>
<style>
.loading {
color: red;
text-align: center;
}
</style>
</head>
<body>
<div onclick="reload()">reload</div>
<yy-virtual-list
built-in="true"
container-styles-string="
height:80vh;background:#f5f5f5;margin:1rem;border-radius:20px
"
>
<yy-template>
<style>
.card{
padding:1rem;box-size;color:#fff;
}
.inner{background:#3C3C3C; border-radius: 20px;padding: 0.5rem;}
</style>
<div class="card">
<div class="inner">
<strong>${this.index}</strong>
<strong>${this.name}</strong>
is
<div class="te">${this.email}</div>
</div>
</div>
</yy-template>
<div slot="loading" class="loading">~loading~</div>
</yy-virtual-list>
</body>
<script>
// 模拟数据
const fetchDemo = (page, size) => {
if (page === 3) {
return []
}
return new Promise((resolve) => {
setTimeout(() => {
const data = []
for (let i = 0; i < size; i++) {
data.push({
index: (page - 1) * size + i + 1,
name: `name${page}`,
email: `email${i}@email.com`,
})
}
resolve(data)
}, Math.random() * 1000)
})
}
const el = document.getElementsByTagName("yy-virtual-list")[0]
// 添加自定义属性 request
el.setAttribute("request", fetchDemo)
const reload = () => {
console.log("reload")
el.reload()
}
</script>
</html>