Function findBlock

packages/mcp/src/tools/writing.ts:17–23

* Find a block by ID or ID prefix. Returns the block or undefined.

(blocks: DeepnoteBlock[], idOrPrefix: string)

 * Find a block by ID or ID prefix. Returns the block or undefined.
 */
function findBlock(blocks: DeepnoteBlock[], idOrPrefix: string): DeepnoteBlock | undefined {
  const matches = blocks.filter(b => b.id === idOrPrefix || b.id.startsWith(idOrPrefix))
  if (matches.length > 1) {
    throw new Error(`Ambiguous block ID prefix "${idOrPrefix}" matches multiple blocks`)
  }
  return matches[0]
}

/**
 * Find a block index by ID or ID prefix. Returns -1 if not found.