From 7d8559d022de1c0ba14d6081be585d549b69529b Mon Sep 17 00:00:00 2001
From: Gareth Jones <jones258@gmail.com>
Date: Fri, 12 Jul 2019 10:57:10 +1200
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20refactor=20`#createLink`?=
 =?UTF-8?q?=20to=20be=20compatible=20w/=20`strictNullChecks`?=
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---
 src/volume.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/volume.ts b/src/volume.ts
index 59973d6a..28e625d5 100644
--- a/src/volume.ts
+++ b/src/volume.ts
@@ -618,7 +618,15 @@ export class Volume {
   createLink(): Link;
   createLink(parent: Link, name: string, isDirectory?: boolean, perm?: number): Link;
   createLink(parent?: Link, name?: string, isDirectory: boolean = false, perm?: number): Link {
-    return parent ? parent.createChild(name, this.createNode(isDirectory, perm)) : new this.props.Link(this, null, '');
+    if (!parent) {
+      return new this.props.Link(this, null, '');
+    }
+
+    if (!name) {
+      throw new Error('createLink: name cannot be empty');
+    }
+
+    return parent.createChild(name, this.createNode(isDirectory, perm));
   }
 
   deleteLink(link: Link): boolean {