Function getFileStatsFromBlocks

cli/src/utils/implementor-helpers.ts:540–580

(
  blocks: ContentBlock[] | undefined,
)

 * Groups by file path and sums up the stats.
 */
export function getFileStatsFromBlocks(
  blocks: ContentBlock[] | undefined,
): FileStats[] {
  if (!blocks || blocks.length === 0) return []

  const fileMap = new Map<string, FileStats>()

  for (const block of blocks) {
    if (
      block.type === 'tool' &&
      ALL_EDIT_TOOL_NAMES.includes(
        block.toolName as (typeof ALL_EDIT_TOOL_NAMES)[number],
      )
    ) {
      if (isFailedEditToolBlock(block)) continue

      const filePath = extractFilePath(block)
      if (!filePath) continue

      const diff = extractDiff(block)
      const stats = parseDiffStats(diff ?? undefined)
      const changeType = getFileChangeType(block)

      const existing = fileMap.get(filePath)
      if (existing) {
        // Aggregate stats for same file
        existing.stats.linesAdded += stats.linesAdded
        existing.stats.linesRemoved += stats.linesRemoved
        existing.stats.hunks += stats.hunks
      } else {
        fileMap.set(filePath, {
          path: filePath,
          changeType,
          stats,
        })
      }
    }
  }

  return Array.from(fileMap.values())
}

/**
 * Build an activity timeline from agent blocks.