From d6f0d5335150332599483b60185cfe8462fa5286 Mon Sep 17 00:00:00 2001
From: Kirill Groshkov <kirill.groshkov@naturalcycles.com>
Date: Mon, 28 Oct 2024 12:24:10 +0100
Subject: [PATCH] use Math.log2 (#504)

---
 index.browser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.browser.js b/index.browser.js
index 8b51358c..9ec0a948 100644
--- a/index.browser.js
+++ b/index.browser.js
@@ -13,7 +13,7 @@ export let customRandom = (alphabet, defaultSize, getRandom) => {
   // `2^31 - 1` number, which exceeds the alphabet size.
   // For example, the bitmask for the alphabet size 30 is 31 (00011111).
   // `Math.clz32` is not used, because it is not available in browsers.
-  let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1
+  let mask = (2 << Math.log2(alphabet.length - 1)) - 1
   // Though, the bitmask solution is not perfect since the bytes exceeding
   // the alphabet size are refused. Therefore, to reliably generate the ID,
   // the random bytes redundancy has to be satisfied.