From a53fe2297b06ee2f0c8eb469169f4a182c954aad Mon Sep 17 00:00:00 2001
From: Kai Niedziela <kai.niedziela@outlook.com>
Date: Sat, 1 Jun 2019 20:59:59 +0200
Subject: [PATCH] extract isOfType<number> to a constant

---
 source/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/index.ts b/source/index.ts
index 861b2f1..c799dda 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -118,7 +118,10 @@ const isObject = (value: unknown): value is object => typeof value === 'object';
 
 is.undefined = isOfType<undefined>('undefined');
 is.string = isOfType<string>('string');
-is.number = (value: unknown): value is number => isOfType<number>('number')(value) && !is.nan(value);
+
+const isNumberType = isOfType<number>('number');
+is.number = (value: unknown): value is number => isNumberType(value) && !is.nan(value);
+
 is.bigint = isOfType<bigint>('bigint');
 
 // eslint-disable-next-line @typescript-eslint/ban-types