Vue: Pending prefetch blocks navigation until deferred props resolve

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Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
活跃
技术栈
typescript
领域
frontend

调研方向

Start at packages/void/src/pages/navigation-engine.ts around lines 740-744, where the navigation waits on an in-flight prefetch before committing, and read how prefetch results are stored and later reused. Compare that path with the non-prefetch navigation path that renders core content and streams deferred props. Use the reproduction branch linked in the issue (prefetch-blocks-deferred-navigation) to observe both behaviours. Done means navigation to a deferred route no longer waits on a pending prefetch, while fully completed prefetches remain reusable.

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描述

When a route uses defer(), clicking its link while a prefetch is still running delays the entire navigation until the deferred data resolves.
Without prefetch, the same route renders its core content immediately and streams the secondary data afterward.

Reproduced with [email protected] and @void/[email protected]. Not tested with 1.9.x but the relevant code is still in it so it should be the same.

Minimal reproduction

See https://github.com/TheAlexLichter/void-reproduction/tree/prefetch-blocks-deferred-navigation

Actual behavior

With the prefetch still pending, the current page remains visible until the deferred operation finishes. The next page's heading and loading state never get a chance to appear first.

With prefetch disabled, the heading and loading state appear before the deferred result.

Expected behavior

Navigation to a route with deferred props should be able to show its core content without waiting for secondary data, including when prefetching has already started. Fully completed prefetches should remain reusable.

Could Void either support consuming an in-flight prefetch progressively, or provide an option to reuse only completed prefetches and otherwise fall back to streamed navigation?

Current workaround

I disable automatic prefetch for routes with deferred sections. This restores progressive navigation, but means giving up automatic prefetching for those routes.

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TypeScript
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