chore(runtime-core): simplify block-tracking disabling in h function#13841
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edison1105 merged 1 commit intomainfrom Sep 3, 2025
Merged
chore(runtime-core): simplify block-tracking disabling in h function#13841edison1105 merged 1 commit intomainfrom
edison1105 merged 1 commit intomainfrom
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WalkthroughRefactors h() to use a top-level try/finally that disables and re-enables block tracking around all logic. Removes the internal doCreateVNode helper and routes all branches to direct createVNode calls. Adjusts argument handling for 2+ arguments to consistently derive props and children without altering the public API. Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant C as Caller
participant H as h()
participant BT as BlockTracking
participant V as createVNode
C->>H: h(type, propsOrChildren?, ...children)
Note over H: Enter try/finally scope
H->>BT: setBlockTracking(-1) (disable)
alt l === 2
alt propsOrChildren is array
H->>V: createVNode(type, null, propsOrChildren)
else propsOrChildren is object (not array)
alt single vnode child (no props)
H->>V: createVNode(type, null, [propsOrChildren])
else props-only
H->>V: createVNode(type, propsOrChildren)
end
else primitive/text child
H->>V: createVNode(type, null, propsOrChildren)
end
else l > 2
Note over H: Derive children from extra args\n- 3 args: wrap single vnode in array\n- >3 args: slice to array
H->>V: createVNode(type, propsOrChildren, children)
else l === 1
H->>V: createVNode(type)
end
V-->>H: vnode
H->>BT: setBlockTracking(1) (re-enable)
H-->>C: vnode
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Possibly related PRs
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packages/runtime-core/src/h.ts (2)
packages/runtime-core/src/index.ts (3)
setBlockTracking(368-368)isVNode(111-111)createVNode(111-111)packages/shared/src/general.ts (2)
isObject(53-54)isArray(39-39)
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🔇 Additional comments (1)
packages/runtime-core/src/h.ts (1)
205-207: Top-level try/finally for block tracking looks goodThis simplifies control flow and guarantees re-enable on all return paths and throws.
Also applies to: 229-231
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Avoid creating
doCreateVNodeeach call.Summary by CodeRabbit
Refactor
Reliability
Developer Impact