ant-design/components/tree/index.jsx

import React from 'react';
import Tree from 'rc-tree';
import velocity from 'velocity-animate';
import animation from '../common/openAnimation';

const AntTree = React.createClass({
  getDefaultProps() {
    return {
      prefixCls: 'ant-tree',
      checkable: false,
      showIcon: false,
    };
  },
  render() {
    const props = this.props;
    let checkable = props.checkable;
    if (checkable) {
      checkable = <span className={`${props.prefixCls}-checkbox-inner`}></span>;
    }
    return <Tree openAnimation={animation} {...props} checkable={checkable}>
      {this.props.children}
    </Tree>;
  }
});

AntTree.TreeNode = Tree.TreeNode;
export default AntTree;