duoyun-ui/react/DyTree.js

A lightweight desktop UI component library, implemented using Gem

import React from 'react';
import { forwardRef, useImperativeHandle, useRef, useLayoutEffect } from 'react';
export * from '../elements/tree';
export const DyTree = forwardRef(function (props, ref) {
    const elementRef = useRef(null);
    useImperativeHandle(ref, () => {
        return {
            isExpand(...args) {
                return elementRef.current.isExpand(...args);
            },
            expandToItems(...args) {
                return elementRef.current.expandToItems(...args);
            },
            collapseItems(...args) {
                return elementRef.current.collapseItems(...args);
            },
            iterateCollapseItem(...args) {
                return elementRef.current.iterateCollapseItem(...args);
            },
        };
    }, []);
    // React Bug?
    useLayoutEffect(() => {
        const element = elementRef.current;
        ["data", "items", "highlights"].map(name => {
            element[name] = props[name];
        });
    }, []);
    return React.createElement("dy-tree", { ref: elementRef, ...props });
});
export default DyTree;