Function getBlockLabel

packages/cli/src/utils/block-label.ts:10–47

(block: DeepnoteBlock)

 * Returns a meaningful preview of the block content.
 */
export function getBlockLabel(block: DeepnoteBlock): string {
  // For input blocks, show variable name
  if (block.type.startsWith('input-')) {
    const metadata = block.metadata as { deepnote_variable_name?: string } | undefined
    if (metadata?.deepnote_variable_name) {
      return metadata.deepnote_variable_name
    }
    return `input (${shortId(block.id)})`
  }

  // For agent blocks, show first line of prompt
  if (block.type === 'agent') {
    return getAgentBlockLabel(block.content ?? '')
  }

  // For code blocks, show first comment or first line of code
  if (block.type === 'code') {
    return getCodeBlockLabel(block.content ?? '')
  }

  // For SQL blocks, show first line of query
  if (block.type === 'sql') {
    return getSqlBlockLabel(block.content ?? '')
  }

  // For markdown blocks, show first line
  if (block.type === 'markdown') {
    return getMarkdownBlockLabel(block.content ?? '')
  }

  // For text cell blocks (h1, h2, h3, p, bullet, etc.), show content
  if (block.type.startsWith('text-cell-')) {
    return getTextCellLabel(block.content ?? '', block.type)
  }

  // Default: show type and short ID
  return `${block.type} (${shortId(block.id)})`
}

/**
 * Get label for an agent block - show first non-empty line of the prompt.