Function estimateTextRows

src/components/VirtualMessageList.tsx:39–52

(text: string, columns: number)

}

function estimateTextRows(text: string, columns: number): number | undefined {
  if (!text) return undefined;
  const wrapWidth = Math.max(1, columns);
  let rows = 0;
  let start = 0;
  while (start <= text.length) {
    const end = text.indexOf('\n', start);
    const lineLength = (end === -1 ? text.length : end) - start;
    rows += Math.max(1, Math.ceil(lineLength / wrapWidth));
    if (end === -1) break;
    start = end + 1;
  }
  return rows;
}
export type StickyPrompt = {
  text: string;
  scrollTo: () => void;