From 979510f70bb4dfeae6a8a9e018fb198850d85af5 Mon Sep 17 00:00:00 2001
From: EdamAmex <121654029+EdamAme-x@users.noreply.github.com>
Date: Mon, 9 Dec 2024 11:26:35 +0900
Subject: [PATCH] perf(pattern-router): improve performance when create null
 object (#3730)

---
 src/router/pattern-router/router.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/router/pattern-router/router.ts b/src/router/pattern-router/router.ts
index d15610409..5f599471e 100644
--- a/src/router/pattern-router/router.ts
+++ b/src/router/pattern-router/router.ts
@@ -3,6 +3,8 @@ import { METHOD_NAME_ALL, UnsupportedPathError } from '../../router'
 
 type Route<T> = [RegExp, string, T] // [pattern, method, handler, path]
 
+const emptyParams = Object.create(null)
+
 export class PatternRouter<T> implements Router<T> {
   name: string = 'PatternRouter'
   #routes: Route<T>[] = []
@@ -46,7 +48,7 @@ export class PatternRouter<T> implements Router<T> {
       if (routeMethod === method || routeMethod === METHOD_NAME_ALL) {
         const match = pattern.exec(path)
         if (match) {
-          handlers.push([handler, match.groups || Object.create(null)])
+          handlers.push([handler, match.groups || emptyParams])
         }
       }
     }