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import React, { useEffect, useState } from 'react';
import { Avatar, Button, List, Skeleton } from 'antd';
interface DataType {
gender?: string;
name?: string;
email?: string;
avatar?: string;
loading: boolean;
}
const PAGE_SIZE = 3;
const App: React.FC = () => {
const [initLoading, setInitLoading] = useState(true);
const [loading, setLoading] = useState(false);
const [data, setData] = useState<DataType[]>([]);
const [list, setList] = useState<DataType[]>([]);
const [page, setPage] = useState(1);
const fetchData = (currentPage: number) => {
const fakeDataUrl = `https://660d2bd96ddfa2943b33731c.mockapi.io/api/users?page=${currentPage}&limit=${PAGE_SIZE}`;
return fetch(fakeDataUrl).then((res) => res.json());
};
useEffect(() => {
fetchData(page).then((res) => {
const results = Array.isArray(res) ? res : [];
setInitLoading(false);
setData(results);
setList(results);
});
}, []);
const onLoadMore = () => {
setLoading(true);
setList(data.concat(Array.from({ length: PAGE_SIZE }).map(() => ({ loading: true }))));
const nextPage = page + 1;
setPage(nextPage);
fetchData(nextPage).then((res) => {
const results = Array.isArray(res) ? res : [];
const newData = data.concat(results);
setData(newData);
setList(newData);
setLoading(false);
// Resetting window's offsetTop so as to display react-virtualized demo underfloor.
// In real scene, you can using public method of react-virtualized:
// https://stackoverflow.com/questions/46700726/how-to-use-public-method-updateposition-of-react-virtualized
window.dispatchEvent(new Event('resize'));
});
};
const loadMore =
!initLoading && !loading ? (
<div
style={{
textAlign: 'center',
marginTop: 12,
height: 32,
lineHeight: '32px',
}}
>
<Button onClick={onLoadMore}>loading more</Button>
</div>
) : null;
return (
<List
className="demo-loadmore-list"
loading={initLoading}
itemLayout="horizontal"
loadMore={loadMore}
dataSource={list}
renderItem={(item) => (
<List.Item
actions={[<a key="list-loadmore-edit">edit</a>, <a key="list-loadmore-more">more</a>]}
>
<Skeleton avatar title={false} loading={item.loading} active>
<List.Item.Meta
avatar={<Avatar src={item.avatar} />}
title={<a href="https://ant.design">{item.name}</a>}
description="Ant Design, a design language for background applications, is refined by Ant UED Team"
/>
<div>content</div>
</Skeleton>
</List.Item>
)}
/>
);
};
export default App;
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