Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix(ssr): fix hydration error for slot outlet inside transition-group #9937

Merged
merged 4 commits into from
Dec 30, 2023
Merged

fix(ssr): fix hydration error for slot outlet inside transition-group #9937

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
de154ac
fix(ssr): fix hydration error for slot outlet inside transition-group
edison1105 Dec 29, 2023
7fc1ff8
test: add test case
edison1105 Dec 29, 2023
efd4548
Update ssrTransformSlotOutlet.ts
edison1105 Dec 30, 2023
c1b6835
[autofix.ci] apply automated fixes
autofix-ci[bot] Dec 30, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 16 additions & 0 deletions packages/compiler-ssr/__tests__/ssrSlotOutlet.spec.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -127,4 +127,20 @@ describe('ssr: <slot>', () => {
}"
`)
})

test('inside transition-group', () => {
const { code } = compile(
`<TransitionGroup tag="div"><slot/></TransitionGroup>`,
)
expect(code).toMatch(ssrHelpers[SSR_RENDER_SLOT_INNER])
expect(code).toMatchInlineSnapshot(`
"const { ssrRenderSlotInner: _ssrRenderSlotInner, ssrRenderAttrs: _ssrRenderAttrs } = require("vue/server-renderer")

return function ssrRender(_ctx, _push, _parent, _attrs) {
_push(\`<div\${_ssrRenderAttrs(_attrs)}>\`)
_ssrRenderSlotInner(_ctx.$slots, "default", {}, null, _push, _parent, null, true)
_push(\`</div>\`)
}"
`)
})
})
9 changes: 6 additions & 3 deletions packages/compiler-ssr/src/transforms/ssrTransformSlotOutlet.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import {
NodeTypes,
type SlotOutletNode,
TRANSITION,
TRANSITION_GROUP,
createCallExpression,
createFunctionExpression,
isSlotOutlet,
Expand Down Expand Up @@ -37,16 +38,18 @@ export const ssrTransformSlotOutlet: NodeTransform = (node, context) => {

let method = SSR_RENDER_SLOT

// #3989
// #3989, #9933
// check if this is a single slot inside a transition wrapper - since
// transition will unwrap the slot fragment into a single vnode at runtime,
// transition/transition-group will unwrap the slot fragment and render its children at runtime,
// we need to avoid rendering the slot as a fragment.
const parent = context.parent
if (
parent &&
parent.type === NodeTypes.ELEMENT &&
parent.tagType === ElementTypes.COMPONENT &&
resolveComponentType(parent, context, true) === TRANSITION &&
[TRANSITION, TRANSITION_GROUP].includes(
resolveComponentType(parent, context, true) as symbol,
) &&
edison1105 marked this conversation as resolved.
Show resolved Hide resolved
parent.children.filter(c => c.type === NodeTypes.ELEMENT).length === 1
) {
method = SSR_RENDER_SLOT_INNER
Expand Down