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chore: comment on cloneVNode implementation [ci skip]

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This commit is contained in:
Evan You 2019-10-27 20:45:54 -04:00
parent 8d7a186def
commit a8aa328907
1 changed files with 2 additions and 0 deletions
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2
packages/runtime-core/src/vnode.ts
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@ -233,6 +233,8 @@ export function createVNode(
} }
export function cloneVNode(vnode: VNode, extraProps?: Data): VNode { export function cloneVNode(vnode: VNode, extraProps?: Data): VNode {
// This is intentionally NOT using spread or extend to avoid the runtime
// key enumeration cost.
return { return {
_isVNode: true, _isVNode: true,
type: vnode.type, type: vnode.type,