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

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