fs: simplify realpathSync

PR-URL: #35413 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: himself65

lib/fs.js

@@ -1598,10 +1598,7 @@ if (isWindows){
 
 constemptyObj=ObjectCreate(null);
 functionrealpathSync(p,options){
-if(!options)
-options=emptyObj;
-else
-options=getOptions(options,emptyObj);
+options=getOptions(options,emptyObj);
 p=toPathIfFileURL(p);
 if(typeofp!=='string'){
 p+='';
@@ -1633,7 +1630,7 @@ function realpathSync(p, options){
 pos=current.length;
 
 // On windows, check that the root exists. On unix there is no need.
-if(isWindows&&!knownHard[base]){
+if(isWindows){
 constctx={path: base};
 binding.lstat(pathModule.toNamespacedPath(base),false,undefined,ctx);
 handleErrorFromBinding(ctx);
@@ -1831,7 +1828,7 @@ function realpath(p, options, callback){
 constino=stats.ino.toString(32);
 id=`${dev}:${ino}`;
 if(seenLinks[id]){
-returngotTarget(null,seenLinks[id],base);
+returngotTarget(null,seenLinks[id]);
 }
 }
 fs.stat(base,(err)=>{
@@ -1844,7 +1841,7 @@ function realpath(p, options, callback){
 });
 }
 
-functiongotTarget(err,target,base){
+functiongotTarget(err,target){
 if(err)returncallback(err);
 
 gotResolvedLink(pathModule.resolve(previous,target));