Function clamp

packages/cli/src/ui/components/shared/text-buffer.ts:435–436

(value: number, min: number, max: number)

  const currentLine = (row: number) => state.lines[row] || '';
  const currentLineLen = (row: number) => cpLen(currentLine(row));
  const clamp = (value: number, min: number, max: number) =>
    Math.min(Math.max(value, min), max);

  if (
    startRow > endRow ||