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A Link with the 'visible' strategy now waits until it has been in the viewport for 300 ms before prefetching. Leaving the viewport cancels the wait, entering again restarts it, and unmounting clears it, so links scrolled past in a long list are not prefetched. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
yangshun
marked this pull request as draft
November 4, 2026 06:40
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
yangshun
marked this pull request as ready for review
November 4, 2026 06:44
cpojer
approved these changes
Nov 4, 2026
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Makes sense. We should get this out and then see if we should adjust the thresholds a bit.
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A
'visible'Link now prefetches only after it has been in view for 300 ms. Scrolling it out of view cancels the wait, and coming back restarts it.300 ms skips links scrolled past quickly in long lists, now that
'visible'can be the app-wide default.Precedent: Astro debounces viewport prefetches by the same 300 ms, and TanStack Router applies
preloadDelayto viewport preloads, cancelling when the link leaves the viewport.Tests: fake-timer unit cases for the delay, cancel, restart, firing once, and cleanup.
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