perf: use replaceAll for slash normalisation (#13738)

Author: 43081j

.changeset/tasty-peas-retire.md

@@ -0,0 +1,6 @@
+---
+"@react-router/remix-routes-option-adapter": patch
+"@react-router/fs-routes": patch
+---
+
+Use `replaceAll` for normalising windows file system slashes.

contributors.yml

@@ -1,5 +1,6 @@
 - 0xEddie
 - 3fuyang
+- 43081j
 - aarbi
 - abdallah-nour
 - abeadam

packages/react-router-fs-routes/normalizeSlashes.ts

@@ -1,5 +1,5 @@
 import path from "node:path";
 
 export function normalizeSlashes(file: string) {
-  return file.split(path.win32.sep).join("/");
+  return file.replaceAll(path.win32.sep, "/");
 }

packages/react-router-remix-routes-option-adapter/normalizeSlashes.ts

@@ -1,5 +1,5 @@
 import path from "node:path";
 
 export function normalizeSlashes(file: string) {
-  return file.split(path.win32.sep).join("/");
+  return file.replaceAll(path.win32.sep, "/");
 }