refactor(router-core): trimPathRight more performant w/o trailing slash (#5909)

Sheraff · web-flow · commit 98d15a111582 · 2025-11-19T21:46:02.000+01:00
diff --git a/packages/router-core/src/path.ts b/packages/router-core/src/path.ts
@@ -36,7 +36,8 @@ export function trimPathLeft(path: string) {
 /** Trim trailing slashes (except preserving root '/'). */
 /** Trim trailing slashes (except preserving root '/'). */
 export function trimPathRight(path: string) {
-  return path === '/' ? path : path.replace(/\/{1,}$/, '')
+  const len = path.length
+  return len > 1 && path[len - 1] === '/' ? path.replace(/\/{1,}$/, '') : path
 }
 
 /** Trim both leading and trailing slashes. */

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,8 @@ export function trimPathLeft(path: string) {`
`36`	`36`	`/** Trim trailing slashes (except preserving root '/'). */`
`37`	`37`	`/** Trim trailing slashes (except preserving root '/'). */`
`38`	`38`	`export function trimPathRight(path: string) {`
`39`		`- return path === '/' ? path : path.replace(/\/{1,}$/, '')`
	`39`	`+ const len = path.length`
	`40`	`+ return len > 1 && path[len - 1] === '/' ? path.replace(/\/{1,}$/, '') : path`
`40`	`41`	`}`
`41`	`42`
`42`	`43`	`/** Trim both leading and trailing slashes. */`