Function lines

packages/2d/src/lib/components/CodeBlock.ts:530–537

(from: number, to?: number)

 *             will cover only one line.
 */
export function lines(from: number, to?: number): CodeRange[] {
  return [
    [
      [from, 0],
      [to ?? from, Infinity],
    ],
  ];
}

/**
 * Create a selection range that highlights the given word.