From 8af14f0923e998c345cb90eb0139494dbd648e8c Mon Sep 17 00:00:00 2001
From: frederikprijck <frederik.prijck@auth0.com>
Date: Wed, 26 Jul 2023 16:23:27 +0200
Subject: [PATCH] fix: avoid using var

---
 lib/base64_url_decode.ts | 4 ++--
 lib/index.ts             | 7 ++++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/base64_url_decode.ts b/lib/base64_url_decode.ts
index 9e3a963..3e27358 100644
--- a/lib/base64_url_decode.ts
+++ b/lib/base64_url_decode.ts
@@ -3,7 +3,7 @@ import atob from "./atob";
 function b64DecodeUnicode(str: string) {
     return decodeURIComponent(
         atob(str).replace(/(.)/g, function(m, p) {
-            var code = p.charCodeAt(0).toString(16).toUpperCase();
+            let code = p.charCodeAt(0).toString(16).toUpperCase();
             if (code.length < 2) {
                 code = "0" + code;
             }
@@ -13,7 +13,7 @@ function b64DecodeUnicode(str: string) {
 }
 
 export default function(str: string) {
-    var output = str.replace(/-/g, "+").replace(/_/g, "/");
+    let output = str.replace(/-/g, "+").replace(/_/g, "/");
     switch (output.length % 4) {
         case 0:
             break;
diff --git a/lib/index.ts b/lib/index.ts
index 0b32a2f..479ae32 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -26,17 +26,18 @@ function jwtDecode(
   }
 
   options = options || {};
-  var pos = options.header === true ? 0 : 1;
+  const pos = options.header === true ? 0 : 1;
 
-  var part = token.split(".")[pos];
+  const part = token.split(".")[pos];
   if (typeof part !== "string") {
     throw new InvalidTokenError(
       "Invalid token specified: missing part #" + (pos + 1)
     );
   }
 
+  let decoded: string;
   try {
-    var decoded = base64_url_decode(part);
+    decoded = base64_url_decode(part);
   } catch (e: any) {
     throw new InvalidTokenError(
       "Invalid token specified: invalid base64 for part #" +