Function displayProfileSummary

packages/cli/src/utils/metrics.ts:116–166

(profiles: BlockProfile[])

/** Display profile summary table */
export function displayProfileSummary(profiles: BlockProfile[]): void {
  if (profiles.length === 0) return

  const c = getChalk()

  // Sort by duration descending (slowest first)
  const sorted = [...profiles].sort((a, b) => b.durationMs - a.durationMs)

  // Calculate totals
  const totalDuration = profiles.reduce((sum, p) => sum + p.durationMs, 0)
  const totalMemoryDelta = profiles.reduce((sum, p) => sum + p.memoryDelta, 0)

  // Calculate column widths
  const labelWidth = Math.max(5, ...sorted.map(p => p.label.length))
  const durationWidth = Math.max(8, `${totalDuration}ms`.length)
  const memoryWidth = Math.max(
    6,
    formatMemoryDelta(totalMemoryDelta).length,
    ...sorted.map(p => formatMemoryDelta(p.memoryDelta).length)
  )

  output(c.bold('\nProfile Summary:'))

  // Header
  output(
    c.dim(`  ${'Block'.padEnd(labelWidth)}  ${'Duration'.padStart(durationWidth)}  ${'Memory'.padStart(memoryWidth)}`)
  )

  // Rows sorted by duration
  for (const profile of sorted) {
    const duration = `${profile.durationMs}ms`
    const memory = formatMemoryDelta(profile.memoryDelta)
    const memColor = profile.memoryDelta > 0 ? c.yellow : c.green

    output(
      `  ${profile.label.padEnd(labelWidth)}  ${c.cyan(duration.padStart(durationWidth))}  ${memColor(memory.padStart(memoryWidth))}`
    )
  }

  // Separator and totals
  const totalWidth = labelWidth + durationWidth + memoryWidth + 6
  output(c.dim(`  ${'─'.repeat(totalWidth)}`))

  const totalDurationStr = `${totalDuration}ms`
  const totalMemoryStr = formatMemoryDelta(totalMemoryDelta)
  const totalMemColor = totalMemoryDelta > 0 ? c.yellow : c.green

  output(
    `  ${'Total'.padEnd(labelWidth)}  ${c.cyan(totalDurationStr.padStart(durationWidth))}  ${totalMemColor(totalMemoryStr.padStart(memoryWidth))}`
  )
}