Function findLastSafeSplitPoint

packages/cli/src/ui/utils/markdownUtilities.ts:94–126

(content: string)

};

export const findLastSafeSplitPoint = (content: string) => {
  const enclosingBlockStart = findEnclosingCodeBlockStart(
    content,
    content.length,
  );
  if (enclosingBlockStart !== -1) {
    // The end of the content is contained in a code block. Split right before.
    return enclosingBlockStart;
  }

  // Search for the last double newline (\n\n) not in a code block.
  let searchStartIndex = content.length;
  while (searchStartIndex >= 0) {
    const dnlIndex = content.lastIndexOf('\n\n', searchStartIndex);
    if (dnlIndex === -1) {
      // No more double newlines found.
      break;
    }

    const potentialSplitPoint = dnlIndex + 2;
    if (!isIndexInsideCodeBlock(content, potentialSplitPoint)) {
      return potentialSplitPoint;
    }

    // If potentialSplitPoint was inside a code block,
    // the next search should start *before* the \n\n we just found to ensure progress.
    searchStartIndex = dnlIndex - 1;
  }

  // If no safe double newline is found, return content.length
  // to keep the entire content as one piece.
  return content.length;
};