From c2986891f6aac87cec98232735945af756e6643f Mon Sep 17 00:00:00 2001
From: Yusuke Sakurai <kerokerokerop@gmail.com>
Date: Fri, 7 Feb 2020 16:23:38 +0900
Subject: remove non-null assertion operator from std (part1) (#3900)

---
 std/encoding/base32.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'std/encoding')

diff --git a/std/encoding/base32.ts b/std/encoding/base32.ts
index 444c2136d..e7d3332fd 100644
--- a/std/encoding/base32.ts
+++ b/std/encoding/base32.ts
@@ -14,10 +14,10 @@ for (let i = 0, len = code.length; i < len; ++i) {
 const placeHolderPadLookup = [0, 1, , 2, 3, , 4];
 function _getPadLen(placeHoldersLen: number): number {
   const maybeLen = placeHolderPadLookup[placeHoldersLen];
-  if (maybeLen === undefined) {
+  if (typeof maybeLen !== "number") {
     throw new Error("Invalid pad length");
   }
-  return maybeLen!;
+  return maybeLen;
 }
 
 function getLens(b32: string): [number, number] {
-- 
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