@cainiaofe/cn-ui-m/es/utils/traverse-react-node.js

## 在线文档

import React from 'react';
import { isFragment } from 'react-is';
export function traverseReactNode(children, fn) {
    var i = 0;
    function handle(target) {
        React.Children.forEach(target, function (child) {
            if (!isFragment(child)) {
                fn(child, i);
                i += 1;
            }
            else {
                handle(child.props.children);
            }
        });
    }
    handle(children);
}