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fix(runtime-core): handle patch flag de-op from cloned vnode

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close #1426
This commit is contained in:
Evan You 2020-06-26 18:05:53 -04:00
parent f3f94e4deb
commit 0dd5cde861
1 changed files with 4 additions and 1 deletions
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5
packages/runtime-core/src/renderer.ts
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@ -780,7 +780,10 @@ function baseCreateRenderer(
) => { ) => {
const el = (n2.el = n1.el!) const el = (n2.el = n1.el!)
let { patchFlag, dynamicChildren, dirs } = n2 let { patchFlag, dynamicChildren, dirs } = n2
const oldProps = (n1 && n1.props) || EMPTY_OBJ // #1426 take the old vnode's patch flag into account since user may clone a
// compiler-generated vnode, which de-opts to FULL_PROPS
patchFlag |= n1.patchFlag & PatchFlags.FULL_PROPS
const oldProps = n1.props || EMPTY_OBJ
const newProps = n2.props || EMPTY_OBJ const newProps = n2.props || EMPTY_OBJ
let vnodeHook: VNodeHook | undefined | null let vnodeHook: VNodeHook | undefined | null