From bc10bf484e319351bfd7114fc110964dea1541a3 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Wed, 9 Jul 2025 13:31:41 -0700
Subject: [PATCH] Check data type of input to convert functions.

---
 src/lib/convert.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib/convert.ts b/src/lib/convert.ts
index a1d5733..abea692 100644
--- a/src/lib/convert.ts
+++ b/src/lib/convert.ts
@@ -199,6 +199,9 @@ export class dec {
 	* @returns {Uint8Array} Byte array representation of the input decimal
 	*/
 	static toBytes (decimal: bigint | number | string, padding: number = 0): Uint8Array {
+		if (decimal == null) {
+			throw new TypeError(`Failed to convert '${decimal}' from decimal to bytes`)
+		}
 		if (typeof padding !== 'number') {
 			throw new TypeError('Invalid padding')
 		}
@@ -222,6 +225,9 @@ export class dec {
 	* @returns {string} Hexadecimal string representation of the input decimal
 	*/
 	static toHex (decimal: bigint | number | string, padding: number = 0): string {
+		if (decimal == null) {
+			throw new TypeError(`Failed to convert '${decimal}' from decimal to hex`)
+		}
 		if (typeof padding !== 'number') {
 			throw new TypeError('Invalid padding')
 		}
-- 
2.47.3