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fix(runtime): wrap external stdout/stderr writes in synchronized-update markers (Ink parity, G09) (#39)

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* fix(runtime): wrap external stdout/stderr writes in synchronized-update markers (Ink parity, G09)

writeToStdout/writeToStderr now emit bsu/esu around clear+write+restore when
shouldSynchronize, matching the render path and Ink ink.tsx:687-728. The sync
variable was already computed at mount time (render.ts:489); the external-write
functions simply lacked the wrapping. For writeToStderr, BSU/ESU go to stdout
(not stderr) because synchronized-update mode is a stdout capability — exactly
mirroring Ink's ink.tsx:717-728 behaviour.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

* chore(parity): ledger — G09 pr-open

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Yunfei He
2026-05-30 02:12:27 +08:00
committed by GitHub
parent 2d47bad9ab
commit 61e4e09a1e
3 changed files with 155 additions and 1 deletions
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@@ -42,7 +42,7 @@ Non-obvious calls made while fixing gaps, recorded for review in the final repor
| G06 | text-wrap-transform | Nested <Transform>/<Text> transform fn receives hardcoded index 0 instead of childNode index | P2 | refuted | — | — |
| G07 | input-keypress-kitty-paste | Kitty-protocol Ctrl+C triggers app exit in vue-tui but only suppresses the handler in Ink | P2 | candidate | — (see ink-parity.md) | — |
| G08 | focus | useFocus does not react to changes in the id prop | P2 | merged | `fix/parity-usefocus-id` | #31 |
| G09 | stdout-stderr-stdin-size-cursor | External stdout/stderr writes are not wrapped in synchronized-update (BSU/ESU) markers | P2 | todo | — | — |
| G09 | stdout-stderr-stdin-size-cursor | External stdout/stderr writes are not wrapped in synchronized-update (BSU/ESU) markers | P2 | pr-open | `fix/parity-external-bsu` | #39 |
| G10 | stdout-stderr-stdin-size-cursor | setRawMode silently no-ops in unsupported environments instead of throwing a descriptive error | P2 | todo | — | — |
| G11 | render-lifecycle-reconciler | Resize handler does not clear+reset on terminal-width decrease | P2 | todo | — | — |
| G12 | render-lifecycle-reconciler | Renderer frame width/rows lack terminal-size fallback (only ?? defaults) | P2 | merged | `fix/parity-renderer-size` | #33 |