From 2c02287f2cbdf16197ad1d67f7a9ca022bebf6af Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Sun, 7 Jul 2019 14:15:11 +1200
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20refactor=20`#watchFile`?=
 =?UTF-8?q?=20to=20be=20compatible=20w/=20`strictNullChecks`?=
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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 191c390b..55049cce 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -2037,7 +2037,7 @@ export class Volume {
   watchFile(path: TFilePath, a, b?): StatWatcher {
     const filename = pathToFilename(path);
 
-    let options: IWatchFileOptions = a;
+    let options: IWatchFileOptions | null = a;
     let listener: (curr: Stats, prev: Stats) => void = b;
 
     if (typeof options === 'function') {