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Update visible range calculation in App.tsx

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Victor Giers
2026-02-01 03:31:24 +01:00
parent 51e8fea77b
commit b5a6b556c9
1 changed files with 2 additions and 1 deletions
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3
src/App.tsx
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@@ -366,11 +366,12 @@ export default function App() {
); );
const updateVisibleRange = useCallback(() => { const updateVisibleRange = useCallback(() => {
if (!showLineNumbersActive || !defaultLineHeight) return; if (!showLineNumbersActive) return;
const textarea = textareaRef.current; const textarea = textareaRef.current;
if (!textarea) return; if (!textarea) return;
const scrollTop = textarea.scrollTop; const scrollTop = textarea.scrollTop;
const viewportHeight = textarea.clientHeight; const viewportHeight = textarea.clientHeight;
if (lineTopsRef.current.length === 0) return;
const start = findLineAtOffset(scrollTop); const start = findLineAtOffset(scrollTop);
const end = findLineAtOffset(scrollTop + viewportHeight); const end = findLineAtOffset(scrollTop + viewportHeight);
const buffer = 8; const buffer = 8;