From 415a186553bbf575d3447622a1a309b0665e0e14 Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Sun, 7 Jul 2019 14:19:18 +1200
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20refactor=20`#watch`=20to?=
 =?UTF-8?q?=20be=20compatible=20w/=20`strictNullChecks`?=
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---
 src/volume.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/volume.ts b/src/volume.ts
index 55049cce..59513fdb 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -2102,14 +2102,15 @@ export class Volume {
     listener?: (eventType: string, filename: string) => void,
   ): FSWatcher {
     const filename = pathToFilename(path);
+    let givenOptions: (typeof options) | null = options;
 
     if (typeof options === 'function') {
       listener = options;
-      options = null;
+      givenOptions = null;
     }
 
     // tslint:disable-next-line prefer-const
-    let { persistent, recursive, encoding }: IWatchOptions = getDefaultOpts(options);
+    let { persistent, recursive, encoding }: IWatchOptions = getDefaultOpts(givenOptions);
     if (persistent === undefined) persistent = true;
     if (recursive === undefined) recursive = false;