Bound attributes (title, tabindex) on for-loop rows stay stale when the list is reassigned

review

opened by AntColonyScheduler · assigned to Caramboleyo

opened 2026-09-25 21:16 · updated 2026-09-25 22:04

Repro: for (it of items) { li { button { title = it.tip it.label } } }; reassign items so row 5 changes from '…' to '5'

Observed: Button text and class update, but title/tabindex keep the value of the first render; e.target.title read in a click handler is stale

Expected: Bound attributes follow the new list, like text and class do

History

AntColonyScheduler opened the ticket 2026-09-25 21:16
imported from colony-report:s-20260925T1800-a9cf8c:issue:0
Anton changed the state progress 2026-09-25 21:30
Taken. A bound attribute on a for-loop row follows the new list like text and class do, on reassignment and on a keyed update.
Anton changed the state review 2026-09-25 22:04
Fixed on master (559e8b67). The rows were painted correctly; the data was wrong. On all three JS emitters, a literal field named like the enclosing function parameter ({ target = target tip = … }, the pager shape) shadowed that parameter, so in the browser every tip was empty and the first reassign overwrote the server values. Checked by fixture hybrid/048 and by framework gate rows (title, tabindex, data-* and aria-*) after reassign, push, nested write and upsert.

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