The round-2 parity audit surfaced ~15 places where vue-tui deliberately differs from
Ink v7.0.4 (verified against Ink source, not invented). Document them so they aren't
re-"fixed" back into Ink's behavior:
Public API surface: useFocusManager().activeId is null (reactive ShallowRef) not
undefined (+ lock test); second mount() on a live stdout is an inert no-op vs Ink
reusing the instance; bare-string package exports vs an explicit types condition.
Additive (strict superset): RGB [r,g,b] tuples on every color prop (Ink string-only,
throws on an array); backgroundColor=chalk-modifier-name degrades to bare text (Ink
throws); useAnimation outside a tree drives a real scheduler; measureElement/
useBoxMetrics also accept a Vue component ref via $el; renderToString accepts
isScreenReaderEnabled; narrowing resize cancels the redundant trailing clearTerminal.
Framework-semantic (Vue ≠ React): an off-spec display value stays visible (Ink hides
any non-'flex'); out-of-type flex/align values are forwarded not defensively coerced
(only flexShrink — flexGrow matches Ink; reachable only via TS-bypass); duplicate
explicit-id useFocus dedups to one entry; the terminal-bound composables fail fast
outside a tree (useBoxMetrics/useAnimation degrade); a setup()-throw emits a dev-only
[Vue warn]. Plus wrapText truncate's per-line short-circuit and the scheduler's
ceil'd delay under reconciler mechanics.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Yunfei He
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