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fix(teleport): only inherit el for non-patched nodes

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fix #1903
This commit is contained in:
Evan You 2020-08-20 10:43:57 -04:00
parent 69cfed6b31
commit d4cc7b2496
2 changed files with 8 additions and 5 deletions
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8
packages/runtime-core/__tests__/components/Teleport.spec.ts
View File

@ -316,7 +316,7 @@ describe('renderer: teleport', () => {
},
render: compile(`
<teleport :to="target" :disabled="disabled">
<div>teleported</div><span>{{ disabled }}</span>
<div>teleported</div><span>{{ disabled }}</span><span v-if="disabled"/>
</teleport>
<div>root</div>
`)
@ -326,13 +326,13 @@ describe('renderer: teleport', () => {
`"<!--teleport start--><!--teleport end--><div>root</div>"`
)
expect(serializeInner(target)).toMatchInlineSnapshot(
`"<div>teleported</div><span>false</span>"`
`"<div>teleported</div><span>false</span><!--v-if-->"`
)
disabled.value = true
await nextTick()
expect(serializeInner(root)).toMatchInlineSnapshot(
`"<!--teleport start--><div>teleported</div><span>true</span><!--teleport end--><div>root</div>"`
`"<!--teleport start--><div>teleported</div><span>true</span><span></span><!--teleport end--><div>root</div>"`
)
expect(serializeInner(target)).toBe(``)
@ -343,7 +343,7 @@ describe('renderer: teleport', () => {
`"<!--teleport start--><!--teleport end--><div>root</div>"`
)
expect(serializeInner(target)).toMatchInlineSnapshot(
`"<div>teleported</div><span>false</span>"`
`"<div>teleported</div><span>false</span><!--v-if-->"`
)
})
})

3
packages/runtime-core/src/components/Teleport.ts
View File

@ -146,9 +146,12 @@ export const TeleportImpl = {
const oldChildren = n1.children as VNode[]
const children = n2.children as VNode[]
for (let i = 0; i < children.length; i++) {
// only inherit for non-patched nodes (i.e. static ones)
if (!children[i].el) {
children[i].el = oldChildren[i].el
}
}
}
} else if (!optimized) {
patchChildren(
n1,