svelte-llm

import { json, error } from '@sveltejs/kit' import type { RequestHandler } from './$types' import { logAlways } from '$lib/log' export const GET: RequestHandler = async () => { try { const memUsage = process.memoryUsage() // Get system memory info if available let systemMemory = null try { const os = await import('node:os') systemMemory = { free: os.freemem(), total: os.totalmem(), freeFormatted: formatBytes(os.freemem()), totalFormatted: formatBytes(os.totalmem()), usedPercentage: (((os.totalmem() - os.freemem()) / os.totalmem()) * 100).toFixed(1) } } catch (e) { // System memory not available } // Get process uptime const uptimeSeconds = process.uptime() const uptime = { seconds: uptimeSeconds, formatted: formatUptime(uptimeSeconds) } // Get GC stats if available let gcStats = null try { const v8 = await import('node:v8') const stats = v8.getHeapStatistics() gcStats = { totalHeapSize: stats.total_heap_size, totalHeapSizeExecutable: stats.total_heap_size_executable, totalPhysicalSize: stats.total_physical_size, totalAvailableSize: stats.total_available_size, usedHeapSize: stats.used_heap_size, heapSizeLimit: stats.heap_size_limit, mallocedMemory: stats.malloced_memory, peakMallocedMemory: stats.peak_malloced_memory, doesZapGarbage: stats.does_zap_garbage, numberOfNativeContexts: stats.number_of_native_contexts, numberOfDetachedContexts: stats.number_of_detached_contexts } } catch (e) { // GC stats not available } const response = { success: true, timestamp: new Date().toISOString(), process: { pid: process.pid, uptime, memory: { rss: memUsage.rss, heapTotal: memUsage.heapTotal, heapUsed: memUsage.heapUsed, external: memUsage.external, arrayBuffers: memUsage.arrayBuffers, // Formatted versions rssFormatted: formatBytes(memUsage.rss), heapTotalFormatted: formatBytes(memUsage.heapTotal), heapUsedFormatted: formatBytes(memUsage.heapUsed), externalFormatted: formatBytes(memUsage.external), arrayBuffersFormatted: formatBytes(memUsage.arrayBuffers), // Heap usage percentage heapUsagePercentage: ((memUsage.heapUsed / memUsage.heapTotal) * 100).toFixed(1) } }, system: systemMemory, v8: gcStats } logAlways('Memory status requested:', { heapUsed: memUsage.heapUsed, heapTotal: memUsage.heapTotal, rss: memUsage.rss, uptime: uptimeSeconds }) return json(response) } catch (e) { throw error(500, `Failed to get memory status: ${e instanceof Error ? e.message : String(e)}`) } } /** * Format bytes into human readable format */ function formatBytes(bytes: number): string { if (bytes === 0) return '0 B' const k = 1024 const sizes = ['B', 'KB', 'MB', 'GB'] const i = Math.floor(Math.log(bytes) / Math.log(k)) return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i] } /** * Format uptime into human readable format */ function formatUptime(seconds: number): string { const days = Math.floor(seconds / 86400) const hours = Math.floor((seconds % 86400) / 3600) const minutes = Math.floor((seconds % 3600) / 60) const secs = Math.floor(seconds % 60) const parts = [] if (days > 0) parts.push(`${days}d`) if (hours > 0) parts.push(`${hours}h`) if (minutes > 0) parts.push(`${minutes}m`) if (secs > 0 || parts.length === 0) parts.push(`${secs}s`) return parts.join(' ') }