From e855f1c8a82bdbd77790c3734d89e54ce01fd3ff Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Sun, 7 Jul 2019 10:18:58 +1200
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20allow=20`realpathBase`=20?=
 =?UTF-8?q?to=20be=20called=20w/=20`undefined`=20for=20`encoding`?=
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---
 src/volume.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/volume.ts b/src/volume.ts
index 446fb66e..b929dd23 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -1413,7 +1413,7 @@ export class Volume {
     this.wrapAsync(this.symlinkBase, [targetFilename, pathFilename], callback);
   }
 
-  private realpathBase(filename: string, encoding: TEncodingExtended): TDataOut {
+  private realpathBase(filename: string, encoding: TEncodingExtended | undefined): TDataOut {
     const steps = filenameToSteps(filename);
     const link: Link = this.getLink(steps);
     // TODO: this check has to be perfomed by `lstat`.