Method lines

packages/quill/src/blots/scroll.ts:234–257

(index = 0, length = Number.MAX_VALUE)

  }

  lines(index = 0, length = Number.MAX_VALUE): (Block | BlockEmbed)[] {
    const getLines = (
      blot: ParentBlot,
      blotIndex: number,
      blotLength: number,
    ) => {
      let lines: (Block | BlockEmbed)[] = [];
      let lengthLeft = blotLength;
      blot.children.forEachAt(
        blotIndex,
        blotLength,
        (child, childIndex, childLength) => {
          if (isLine(child)) {
            lines.push(child);
          } else if (child instanceof ContainerBlot) {
            lines = lines.concat(getLines(child, childIndex, lengthLeft));
          }
          lengthLeft -= childLength;
        },
      );
      return lines;
    };
    return getLines(this, index, length);
  }

  optimize(context?: { [key: string]: any }): void;
  optimize(