import { filterEmpty } from './props-util'; import { cloneVNode } from 'vue'; export function cloneElement(vnode, nodeProps = {}, override = true) { let ele = vnode; if (Array.isArray(vnode)) { ele = filterEmpty(vnode)[0]; } if (!ele) { return null; } const node = cloneVNode(ele, nodeProps); // cloneVNode内部是合并属性,这里改成覆盖属性 node.props = override ? { ...node.props, ...nodeProps } : node.props; return node; } export function cloneVNodes(vnodes, nodeProps = {}, override = true) { return vnodes.map(vnode => cloneElement(vnode, nodeProps, override)); }