solidjs / solid / 40731063789

78%

main: 89%

push

github

fix(signals): a keyed projection keeps updating after its fn swaps a store proxy for an array (#4361) (#4368)

A projection whose fn returns another store's proxy chains its root to that
proxy (§7b). When a later pass returned a plain array, reconcile diffed the
array against the live proxy, which already read the source store's next
frame in the same flush, so no leaf or container was told and the readers
the derive's pending had parked never re-ran: the frame stalled.

A live chained diff base is now folded: every leaf is written (its own
equality judges it against what it was last told) and the container is told,
as presence already was. +14 B minified on store scenarios; floors unchanged.


Claude-Session: https://claude.ai/code/session_015hPxMkC3jg3Uivh65gvaf2

Co-authored-by: Claude <noreply@anthropic.com>

790 of 1079 branches covered (73.22%)

Branch coverage included in aggregate %.

1122 of 1352 relevant lines covered (82.99%)

28.73 hits per line