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50 lines
1.2 KiB
50 lines
1.2 KiB
import clonedeep from 'lodash.clonedeep'
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export function cloneVNode (vnode, deep) {
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const cloned = new vnode.constructor(
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vnode.tag,
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clonedeep(vnode.data),
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vnode.children,
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vnode.text,
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vnode.elm,
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vnode.context,
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clonedeep(vnode.componentOptions),
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vnode.asyncFactory
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)
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cloned.ns = vnode.ns
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cloned.isStatic = vnode.isStatic
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cloned.key = vnode.key
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cloned.isComment = vnode.isComment
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cloned.isCloned = true
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if (deep && vnode.children) {
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cloned.children = cloneVNodes(vnode.children)
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}
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return cloned
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}
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export function cloneVNodes (vnodes, deep) {
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const len = vnodes.length
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const res = new Array(len)
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for (let i = 0; i < len; i++) {
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res[i] = cloneVNode(vnodes[i], deep)
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}
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return res
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}
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export function cloneElement (node, nodeProps) {
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const { props, key } = nodeProps
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if (node.componentOptions) {
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Object.assign(node.componentOptions.propsData, props)
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}
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const data = node.data || {}
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const { style = data.style,
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class: cls = data.class,
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attrs = data.attrs,
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on = data.on,
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} = nodeProps
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node.data = Object.assign(data, { style, attrs, class: cls, on })
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if (key !== undefined) {
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node.key = key
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}
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return node
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}
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