ant-design-vue/components/_util/vnode.js

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