Function aggregateClaudeCodeStatsForRange

src/utils/stats.ts:718–743

(
  range: StatsDateRange,
)

 * For 'all', uses the cached aggregation. For other ranges, processes files directly.
 */
export async function aggregateClaudeCodeStatsForRange(
  range: StatsDateRange,
): Promise<ClaudeCodeStats> {
  if (range === 'all') {
    return aggregateClaudeCodeStats()
  }

  const allSessionFiles = await getAllSessionFiles()
  if (allSessionFiles.length === 0) {
    return getEmptyStats()
  }

  // Calculate fromDate based on range
  const today = new Date()
  const daysBack = range === '7d' ? 7 : 30
  const fromDate = new Date(today)
  fromDate.setDate(today.getDate() - daysBack + 1) // +1 to include today
  const fromDateStr = toDateString(fromDate)

  // Process session files for the date range
  const stats = await processSessionFiles(allSessionFiles, {
    fromDate: fromDateStr,
  })

  return processedStatsToClaudeCodeStats(stats)
}

/**
 * Convert ProcessedStats to ClaudeCodeStats.