From: Chris Duncan <chris@codecow.com>
Date: Tue, 30 Jun 2026 22:03:46 +0000 (-0700)
Subject: Simplify hex-to-byte converter.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=d76f42006031a7aba091c3fc29defae1799b4031;p=libnemo.git

Simplify hex-to-byte converter.
---

diff --git a/src/lib/convert/hex.ts b/src/lib/convert/hex.ts
index 92844ad..fb4360e 100644
--- a/src/lib/convert/hex.ts
+++ b/src/lib/convert/hex.ts
@@ -30,14 +30,10 @@ export const hex = Object.freeze({
 			throw new TypeError('Invalid padding when converting hex to bytes', { cause: padding })
 		}
 		if (hex.length & 1) hex = `0${hex}`
-		const hexArray = hex.match(/.{2}/g)
-		if (hexArray == null) {
-			throw new RangeError('Error converting hex string to bytes', { cause: hexArray })
-		}
-		const diff = padding - hexArray.length
+		const byteLength = hex.length >> 1
+		const diff = padding - byteLength
 		const offset = diff & ~(diff >> 31)
-		const length = hexArray.length + offset
-		const bytes = new Uint8Array(length)
+		const bytes = new Uint8Array(byteLength + offset)
 		bytes.set(hex.match(/.{2}/g)?.map(b => parseInt(b, 16)) ?? [], offset)
 		return bytes
 	},