From 1998b24e65d68ae95183382ed6ed400acf57c535 Mon Sep 17 00:00:00 2001
From: streamich <streamich@gmail.com>
Date: Tue, 26 Nov 2019 14:09:21 +0100
Subject: [PATCH] =?UTF-8?q?feat:=20=F0=9F=8E=B8=20enable=20TypeScript=20st?=
 =?UTF-8?q?rict=20null=20checks?=
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BREAKING CHANGE: TypeScript strict null checks are now enabled which may
break some TypeScript users.
---
 src/node.ts   | 2 +-
 src/volume.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/node.ts b/src/node.ts
index 73a5630d..99c50097 100644
--- a/src/node.ts
+++ b/src/node.ts
@@ -300,7 +300,7 @@ export class Link extends EventEmitter {
     this.emit('child:delete', link, this);
   }
 
-  getChild(name: string): Link {
+  getChild(name: string): Link | undefined {
     if (Object.hasOwnProperty.call(this.children, name)) {
       return this.children[name];
     }
diff --git a/src/volume.ts b/src/volume.ts
index fa3c453f..127cebda 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -1415,7 +1415,7 @@ export class Volume {
   private realpathBase(filename: string, encoding: TEncodingExtended | undefined): TDataOut {
     const steps = filenameToSteps(filename);
     const realLink = this.getResolvedLink(steps);
-    if (!realLink) throwError(ENOENT, 'realpath', filename);
+    if (!realLink) throw createError(ENOENT, 'realpath', filename);
 
     return strToEncoding(realLink.getPath(), encoding);
   }
@@ -1459,7 +1459,7 @@ export class Volume {
   private statBase(filename: string, bigint: true): Stats<bigint>;
   private statBase(filename: string, bigint: boolean = false): Stats {
     const link = this.getResolvedLink(filenameToSteps(filename));
-    if (!link) throwError(ENOENT, 'stat', filename);
+    if (!link) throw createError(ENOENT, 'stat', filename);
 
     return Stats.build(link.getNode(), bigint);
   }