From 5e9909954a8bea6b2954f1bf2f51c592b0a2d954 Mon Sep 17 00:00:00 2001
From: Salakar <mike.diarmid@gmail.com>
Date: Tue, 10 Jul 2018 21:37:17 +0100
Subject: [PATCH] [internals] check for string type else return early

---
 lib/utils/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/utils/index.js b/lib/utils/index.js
index 5680419e..ab7361ab 100644
--- a/lib/utils/index.js
+++ b/lib/utils/index.js
@@ -196,6 +196,7 @@ export function noop(): void {}
  * @returns {*}
  */
 export function stripTrailingSlash(str: string): string {
+  if (!isString(str)) return str;
   return str.endsWith('/') ? str.slice(0, -1) : str;
 }