Function splitGutterText

src/ui/diff/rowStyle.ts:163–176

(
  cell: SplitLineCell,
  lineNumberDigits: number,
  showLineNumbers: boolean,
)

/** Build the split-view gutter text shared by the TUI and clipboard renderers. */
export function splitGutterText(
  cell: SplitLineCell,
  lineNumberDigits: number,
  showLineNumbers: boolean,
) {
  if (!showLineNumbers) {
    return `${cell.sign} `;
  }

  const number = cell.lineNumber
    ? String(cell.lineNumber).padStart(lineNumberDigits, " ")
    : " ".repeat(lineNumberDigits);
  return `${number} ${cell.sign}`;
}