From 6cf0bceb5a71743a5dd4ff15d37a8af77f6d9b5c Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Fri, 12 Jul 2019 08:22:49 +1200
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20refactor=20`#mkdirp`=20to?=
 =?UTF-8?q?=20be=20compatible=20w/=20`strictNullChecks`?=
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---
 src/volume.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/volume.ts b/src/volume.ts
index b624e625..32105d4e 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -1865,7 +1865,9 @@ export class Volume {
   mkdirp(path: TFilePath, callback: TCallback<void>);
   mkdirp(path: TFilePath, mode: TMode, callback: TCallback<void>);
   mkdirp(path: TFilePath, a: TCallback<void> | TMode, b?: TCallback<void>) {
-    const [mode, callback] = getArgAndCb<TMode, void>(a, b);
+    const mode: TMode | undefined = typeof a === 'function' ? undefined : a;
+    const callback: TCallback<void> = validateCallback(typeof a === 'function' ? a : b);
+
     this.mkdir(path, { mode, recursive: true }, callback);
   }