react children traverser

index.js

            function traverse(node, hierarchy) {
                const className = node.props && node.props.style;//array
                if (className) {
                    className.forEach((name, i) => {
                        if (typeof name === 'string') {
                            const styleObject = {};
                            if (style[name]) {
                                style[name].forEach((obj) => {
                                    Object.assign(styleObject, obj.style);
                                });
                            }

                            className[i] = styleObject;
                        }
                    });
                    hierarchy.push(className);
                }

                if (node.props && node.props.children) {
                    if (Array.isArray(node.props.children)) {
                        node.props.children.forEach(child => traverse(child, hierarchy));
                    } else {
                        traverse(node.props.children, hierarchy);
                    }
                }
                hierarchy.pop();
            }
            // traverse(ret, []);
            React.createElement = origianlCreateElement;