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