svelte

Commit Graph

Author	SHA1	Message	Date
svelte-triage-bot[bot]	f908535659	fix: prevent untracked derived reads from retaining dependencies (#18829 ) Fixes https://github.com/sveltejs/svelte/issues/18827. A disconnected derived re-evaluated through `untrack` inside an effect could connect descendant deriveds because `is_updating_effect` was true, even though the active derived reader was not connected. Those descendants registered on long-lived dependencies without gaining a reaction that could later trigger their disconnect cascade. This changes `get()` to connect a derived only when its active reader is itself `CONNECTED`. Effects already carry that flag, and deriveds reached through connected readers receive it before evaluation, so tracked behavior remains intact. The now-unused `is_updating_effect` state is removed.	5 days ago

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svelte-triage-bot[bot]

f908535659

fix: prevent untracked derived reads from retaining dependencies (#18829 )

Fixes https://github.com/sveltejs/svelte/issues/18827.

A disconnected derived re-evaluated through `untrack` inside an effect
could connect descendant deriveds because `is_updating_effect` was true,
even though the active derived reader was not connected. Those
descendants registered on long-lived dependencies without gaining a
reaction that could later trigger their disconnect cascade.

This changes `get()` to connect a derived only when its active reader is
itself `CONNECTED`. Effects already carry that flag, and deriveds
reached through connected readers receive it before evaluation, so
tracked behavior remains intact. The now-unused `is_updating_effect`
state is removed.

1 Commits (custom-condition)