zent/src/transfer/demos/renderProps.md

一套前端设计语言和基于React的实现

---
order: 4
zh-CN:
	title: 自定义渲染列表
	title1: 杭州有赞科技有限公司
	title2: 技术
	title3: 后端
	title4: 运维
	title5: 前端
	title6: 产品
	title7: JAVA
	title8: PHP
	title9: GO
	title10: .NET
en-US:
	title: Render props
	title1: Hangzhou Youzan Technology Co. Ltd
	title2: Engineer
	title3: Back End Engineer
	title4: Front End Engineer
	title5: Operations Engineer
	title6: Product
	title7: JAVA
	title8: PHP
	title9: GO
	title10: .NET
---

```js
import { useState, useCallback, useMemo } from 'react';
import { Transfer, Tree } from 'zent';

const treeData = [
	{
		id: 1,
		title: '{i18n.title1}',
		children: [
			{
				id: 2,
				title: '{i18n.title2}',
				children: [
					{
						id: 3,
						title: '{i18n.title3}',
						children: [
							{
								id: 7,
								title: '{i18n.title7}',
							},
							{
								id: 8,
								title: '{i18n.title8}',
							},
							{
								id: 9,
								title: '{i18n.title9}',
							},
							{
								id: 10,
								title: '{i18n.title10}',
							},
						],
					},
					{
						id: 4,
						title: '{i18n.title4}',
					},
					{
						id: 5,
						title: '{i18n.title5}',
					},
				],
			},
			{
				id: 6,
				title: '{i18n.title6}',
			},
		],
	},
];

const columns = [
	{
		name: 'title',
	},
];

const transferDataSource = useMemo(() => {
	const result = [];
	function flatten(list = []) {
		list.forEach(item => {
			result.push(item);
			flatten(item.children);
		});
	}
	flatten(treeData);
	return result;
}, [treeData]);

const [targetKeys, setTargetKeys] = useState([]);

ReactDOM.render(
	<div>
		<Transfer
			keyName="id"
			dataSource={transferDataSource}
			targetKeys={targetKeys}
			onChange={({ targetKeys }) => setTargetKeys(targetKeys)}
			list={{ columns }}
		>
			{({ direction, selectedKeys, handleSelectChange }) => {
				if ('left' === direction) {
					return (
						<Tree
							checkable
							size="small"
							data={treeData}
							onCheck={(checked, helpInfo) => {
								handleSelectChange(
									checked.filter(item => !targetKeys.includes(item))
								);
							}}
							checkedKeys={Array.from(new Set([...selectedKeys, ...targetKeys]))}
							disabledCheckedKeys={targetKeys}
							expandAll
						/>
					);
				}
			}}
		</Transfer>
	</div>,
	mountNode
);
```