From baeed4bc8057ec2623f983550cd63dff09c42c28 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 18 Dec 2025 20:05:20 +0900
Subject: perf(backend): lazy load systeminformation
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systeminformationを必要とする機能を有効にしていないサーバーで無駄に読み込まれることが無いように
---
 packages/backend/src/daemons/ServerStatsService.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'packages/backend/src/daemons/ServerStatsService.ts')

diff --git a/packages/backend/src/daemons/ServerStatsService.ts b/packages/backend/src/daemons/ServerStatsService.ts
index d229efb123..a972e5861c 100644
--- a/packages/backend/src/daemons/ServerStatsService.ts
+++ b/packages/backend/src/daemons/ServerStatsService.ts
@@ -4,13 +4,12 @@
  */
 
 import { Inject, Injectable } from '@nestjs/common';
-import si from 'systeminformation';
 import Xev from 'xev';
 import * as osUtils from 'os-utils';
 import { bindThis } from '@/decorators.js';
-import type { OnApplicationShutdown } from '@nestjs/common';
 import { MiMeta } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import type { OnApplicationShutdown } from '@nestjs/common';
 
 const ev = new Xev();
 
@@ -97,12 +96,14 @@ function cpuUsage(): Promise<number> {
 
 // MEMORY STAT
 async function mem() {
+	const si = await import('systeminformation');
 	const data = await si.mem();
 	return data;
 }
 
 // NETWORK STAT
 async function net() {
+	const si = await import('systeminformation');
 	const iface = await si.networkInterfaceDefault();
 	const data = await si.networkStats(iface);
 	return data[0];
@@ -110,5 +111,6 @@ async function net() {
 
 // FS STAT
 async function fs() {
+	const si = await import('systeminformation');
 	return await si.disksIO().catch(() => ({ rIO_sec: 0, wIO_sec: 0 }));
 }
-- 
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