vue-virtualized-list
v1.1.0
Published
A virtual list. Useful when you need to show large amount of data. It only render the DOM elements it needs. It has less functionality compared to other virtual list libraries but it's **under 5kb** before gzip
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vue-virtualized-list
A virtual list. Useful when you need to show large amount of data. It only render the DOM elements it needs. It has less functionality compared to other virtual list libraries but it's under 5kb before gzip
Getting started
To install the package in your application just type
npm install vue-virtualized-list
Then, to install as a global component
import Vue from "vue";
import VirtualizedList from "vue-virtualized-list";
Vue.component("virtualized-list", VirtualizedList)
Or you can register locally in one of your components as follows
import VirtualizedList from "vue-virtualized-list";
export default {
name: "AmazingComponent",
props: [myprop],
components: {
"virtualized-list": VirtualizedList
}
}
Using it
<virtualized-list :items="list" :item-height="itemH">
<template v-slot="{ item, index}">
<div class="my-item-class">
#{{ index }} {{item.id}}: {{ item.content }}
</div>
</template>
</virtualized-list>
export default {
data() {
// create an long array
const fillArrayWithNumbers = n => Array.apply(null, Array(n)).map((x, i) => i);
return {
list: fillArrayWithNumbers(15000).map(i => ({id: i, content: "content-" + i})),
itemH: 25
}
}
}
Parameters and events
Props
| Name | Type | Mandatory | Example | Default value | Description |
|---------------------|--------|-----------|-------------------|--------------------------------|--------------------------------|
| items | Array | true | - | - | The list of items |
| itemHeight | Number | true | 100 | - | The height of each item (in px) |
| outerContainerEl | String | false | "div" | "div" | The type of the outer element (no matter the element, some css properties are necessary, e.g. display: block
) |
| outerContainerClass | String | false | "my-class" | "vue-virtualized-list" | Class of the outer element |
| innerContainerEl | String | false | "div" | "div" | The type of the inner element, the scrollable one (no matter the element, some css properties are necessary, e.g. display: block
and position: relative
) |
| innerContainerClass | String | false | "my-class__inner" | "vue-virtualized-list__scroll" | Class of the inner element |
| bench | Number | false | 10 | 5 | The number of non-visible items to render before the first visible and after the last (if a user scrolls very fast without bench items there might be a short amount of time where not items are rendered. Increasing the bench will decrease this issue but it also increases the rendering cost. Most of the time leaving the default value works just fine) |
| | | | | | |
Events
It does not emit any event
API
| Name | parameters | return value | Description | |---------|------------|--------------|---------------------------------| | update | none | undefined | Tells the component to recalculate the visible items. This can be useful in certain cases, for example if you change the height of the container | | scrollTo | index (Number) | undefined | Scroll to the given index |
Changelog
1.1.0
New features
- Add new API
scrollTo(index)
1.0.0
New features
- Index is passed to slot scope
Breaking change
- Migrating from 0.1.0: replace
provided
byprovided.item
or replacev-slot="provided"
byv-slot="{ item }"
then useitem
0.1.0
New features
- Add
bench
prop - Add
update
api
0.0.3
- Initial release
Contributing
Project setup
npm install
Compiles and hot-reloads for development
npm run dev
Compiles and minifies for production
npm run build
Documentation is done using vuepress.
Compiles and watch docs
npm run docs:dev
Compiles and bundle documentation
npm run docs:build
Run all the tests
npm run test
Run unit tests
npm run test:unit
Or you can run them in watch mode
npm run test:unit:w
Run end-to-end tests
npm run test:e2e
Or you can run them in watch mode with amazing cypress experience
npm run test:e2e:w
Customize configuration
Author and License
Licensed under MIT