From db1238aae3de5b6d7da62598a2f4f0c1dca2d3fa Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Tue, 29 Oct 2024 16:35:44 +0100
Subject: [PATCH] Re-factor the `toHexUtil` helper (PR 17862 follow-up)

We can re-use the `hexNumbers` structure, since that allows us to directly lookup the hexadecimal values and shortens the code.
---
 src/shared/util.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/shared/util.js b/src/shared/util.js
index 700f9f871..b61a58abc 100644
--- a/src/shared/util.js
+++ b/src/shared/util.js
@@ -1102,11 +1102,7 @@ function toHexUtil(arr) {
   if (Uint8Array.prototype.toHex) {
     return arr.toHex();
   }
-  const buf = [];
-  for (const num of arr) {
-    buf.push(num.toString(16).padStart(2, "0"));
-  }
-  return buf.join("");
+  return Array.from(arr, num => hexNumbers[num]).join("");
 }
 
 // TODO: Remove this once `Uint8Array.prototype.toBase64` is generally