From: Ardis Lu <ardisglu@gmail.com>
Date: Thu, 15 Feb 2024 05:36:16 +0000 (-0800)
Subject: Fallback to ethereum.on if ethereum.addListener is not implemented
X-Git-Url: https://git.ardis.lu/?a=commitdiff_plain;h=8c271cbe0e028d577abe953720ae7df013042948;p=alu.bz

Fallback to ethereum.on if ethereum.addListener is not implemented

Supports older wallets (e.g. Brave Wallet) which use the deprecated .on method from EIP-1193
---

diff --git a/script.js b/script.js
index a1d9a79..69eba57 100644
--- a/script.js
+++ b/script.js
@@ -113,7 +113,7 @@ async function handleSubmit(event) {
 
 if (window.ethereum !== undefined) {
   // User switches account manually in wallet
-  ethereum.addListener('accountsChanged', setAccount);
+  ethereum?.addListener?.('accountsChanged', setAccount) ?? ethereum.on('accountsChanged', setAccount);
 }
 
 connectButton.addEventListener('click', () => {