fix(tui): align overlays over CJK wide cells

closes #5297
2026-06-15 01:06:15 +02:00
parent ba0ec61563
commit 5b6058c3a7
3 changed files with 70 additions and 1 deletions
--- a/packages/tui/src/utils.ts
+++ b/packages/tui/src/utils.ts
@@ -1156,7 +1156,7 @@ export function extractSegments(
 		for (const { segment } of graphemeSegmenter.segment(line.slice(i, textEnd))) {
 			const w = graphemeWidth(segment);

-			if (currentCol < beforeEnd) {
+			if (currentCol < beforeEnd && currentCol + w <= beforeEnd) {
 				if (pendingAnsiBefore) {
 					before += pendingAnsiBefore;
 					pendingAnsiBefore = "";