35 lines
983 B
JavaScript
35 lines
983 B
JavaScript
import { assign, slice } from './util';
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import { createVNode } from './create-element';
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/**
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* Clones the given VNode, optionally adding attributes/props and replacing its children.
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* @param {import('./internal').VNode} vnode The virtual DOM element to clone
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* @param {object} props Attributes/props to add when cloning
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* @param {Array<import('./internal').ComponentChildren>} rest Any additional arguments will be used as replacement children.
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* @returns {import('./internal').VNode}
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*/
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export function cloneElement(vnode, props, children) {
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let normalizedProps = assign({}, vnode.props),
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key,
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ref,
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i;
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for (i in props) {
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if (i == 'key') key = props[i];
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else if (i == 'ref') ref = props[i];
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else normalizedProps[i] = props[i];
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}
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if (arguments.length > 2) {
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normalizedProps.children =
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arguments.length > 3 ? slice.call(arguments, 2) : children;
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}
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return createVNode(
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vnode.type,
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normalizedProps,
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key || vnode.key,
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ref || vnode.ref,
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null
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);
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}
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