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32 lines
1023 B
TypeScript
32 lines
1023 B
TypeScript
import { filterEmpty } from './props-util';
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import type { VNode, VNodeProps } from 'vue';
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import { cloneVNode } from 'vue';
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import warning from './warning';
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import type { RefObject } from './createRef';
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export function cloneElement<T, U>(
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vnode: VNode<T, U> | VNode<T, U>[],
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nodeProps: Record<string, any> &
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Omit<VNodeProps, 'ref'> & { ref?: VNodeProps['ref'] | RefObject } = {},
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override = true,
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mergeRef = false,
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): VNode<T, U> {
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let ele = vnode;
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if (Array.isArray(vnode)) {
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ele = filterEmpty(vnode)[0];
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}
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if (!ele) {
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return null;
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}
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const node = cloneVNode(ele as VNode<T, U>, nodeProps as any, mergeRef);
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// cloneVNode内部是合并属性,这里改成覆盖属性
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node.props = (override ? { ...node.props, ...nodeProps } : node.props) as any;
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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, nodeProps = {}, override = true) {
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return vnodes.map(vnode => cloneElement(vnode, nodeProps, override));
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}
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