cleanup

Author: nlynzaad

packages/router-core/src/path.ts

@@ -377,7 +377,6 @@ function baseParsePathname(pathname: string): ReadonlyArray<Segment> {
 interface InterpolatePathOptions {
   path?: string
   params: Record<string, unknown>
-  leaveParams?: boolean
   // Map of encoded chars to decoded chars (e.g. '%40' -> '@') that should remain decoded in path params
   decodeCharMap?: Map<string, string>
   parseCache?: ParsePathnameCache
@@ -402,7 +401,6 @@ type InterPolatePathResult = {
 export function interpolatePath({
   path,
   params,
-  leaveParams,
   decodeCharMap,
   parseCache,
 }: InterpolatePathOptions): InterPolatePathResult {

packages/router-core/src/router.ts

@@ -1684,14 +1684,13 @@ export class RouterCore<
       }
 
       const nextPathname = opts.leaveParams
-        ? nextTo
+        ? // Use the original template path for interpolation
+          // This preserves the original parameter syntax including optional parameters
+          nextTo
         : decodePath(
             interpolatePath({
-              // Use the original template path for interpolation
-              // This preserves the original parameter syntax including optional parameters
               path: nextTo,
               params: nextParams,
-              leaveParams: opts.leaveParams,
               decodeCharMap: this.pathParamsDecodeCharMap,
               parseCache: this.parsePathnameCache,
             }).interpolatedPath,