From: Chris Duncan <chris@codecow.com>
Date: Wed, 5 Aug 2026 02:47:54 +0000 (-0700)
Subject: Fix null reference in Node.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=56dbef16ae97a6f543f80fb537b744a36fd5c46e;p=libnemo.git

Fix null reference in Node.
---

diff --git a/src/lib/block/sign.ts b/src/lib/block/sign.ts
index 6a6e6fa..c45518f 100644
--- a/src/lib/block/sign.ts
+++ b/src/lib/block/sign.ts
@@ -6,7 +6,7 @@ import type { Block } from '.'
 import { Wallet } from '../wallet'
 
 export function _sign (block: Block, input: unknown, index: unknown, frontier: unknown): Block | Promise<Block> {
-	if (!navigator.userActivation.isActive) {
+	if (!navigator.userActivation?.isActive) {
 		BROWSER: throw new DOMException(
 			'Signing request was blocked due to lack of user activation',
 			'NotAllowedError'
diff --git a/src/lib/tools.ts b/src/lib/tools.ts
index 2668310..f346d36 100644
--- a/src/lib/tools.ts
+++ b/src/lib/tools.ts
@@ -108,7 +108,7 @@ export function convert (amount: unknown, inputUnit: unknown, outputUnit: unknow
  * @returns {string} 64-byte hexadecimal signature
  */
 export function sign (secretKey: string | ArrayBuffer | Bytes, input: string): string {
-	if (!navigator.userActivation.isActive) {
+	if (!navigator.userActivation?.isActive) {
 		BROWSER: throw new DOMException(
 			'Signing request was blocked due to lack of user activation',
 			'NotAllowedError'
diff --git a/src/lib/wallet/sign.ts b/src/lib/wallet/sign.ts
index 04d73a8..6cf000d 100644
--- a/src/lib/wallet/sign.ts
+++ b/src/lib/wallet/sign.ts
@@ -9,7 +9,7 @@ import { Wallet } from '../wallet'
 
 export async function _signBlock (wallet: Wallet, vault: Vault, index: number, address: string, block: Block, frontier?: Block): Promise<Block>
 export async function _signBlock (wallet: Wallet, vault: Vault, index: unknown, address: unknown, block: unknown, frontier?: unknown): Promise<Block | string> {
-	if (!navigator.userActivation.isActive) {
+	if (!navigator.userActivation?.isActive) {
 		BROWSER: throw new DOMException(
 			'Signing request was blocked due to lack of user activation',
 			'NotAllowedError'
@@ -53,7 +53,7 @@ export async function _signBlock (wallet: Wallet, vault: Vault, index: unknown,
 
 export async function _signData (wallet: Wallet, vault: Vault, index: number, address: string, data: string): Promise<string>
 export async function _signData (wallet: Wallet, vault: Vault, index: unknown, address: unknown, data: unknown): Promise<string> {
-	if (!navigator.userActivation.isActive) {
+	if (!navigator.userActivation?.isActive) {
 		BROWSER: throw new DOMException(
 			'Signing request was blocked due to lack of user activation',
 			'NotAllowedError'