From 87f0992ae55f5f7ee1dffc7d50fc969989eba982 Mon Sep 17 00:00:00 2001
From: haorwen <haorwen@qq.com>
Date: Sun, 18 Jan 2026 08:42:27 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E4=BD=8E=E7=89=88?=
 =?UTF-8?q?=E6=9C=AC=E6=B5=8F=E8=A7=88=E5=99=A8=E4=B8=8D=E5=85=BC=E5=AE=B9?=
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* feat: add polyfills for Array.prototype.at and String.prototype.at methods

* chore: bump version to v0.9.51
---
 package.json          |  2 +-
 src/libs/polyfills.js | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index f17c3270..73df65f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vocechat-web",
-  "version": "0.9.50",
+  "version": "0.9.51",
   "homepage": "https://voce.chat",
   "dependencies": {
     "@metamask/onboarding": "^1.0.1",
diff --git a/src/libs/polyfills.js b/src/libs/polyfills.js
index c11d287c..34016633 100644
--- a/src/libs/polyfills.js
+++ b/src/libs/polyfills.js
@@ -18,3 +18,26 @@ if (!isSupported) {
 }
 // hasown API
 "hasOwn" in Object || (Object.hasOwn = Object.call.bind(Object.hasOwnProperty));
+
+// Array.prototype.at() and String.prototype.at() polyfill
+if (!Array.prototype.at) {
+  Array.prototype.at = function (index) {
+    const len = this.length;
+    const relativeIndex = index >= 0 ? index : len + index;
+    if (relativeIndex < 0 || relativeIndex >= len) {
+      return undefined;
+    }
+    return this[relativeIndex];
+  };
+}
+
+if (!String.prototype.at) {
+  String.prototype.at = function (index) {
+    const len = this.length;
+    const relativeIndex = index >= 0 ? index : len + index;
+    if (relativeIndex < 0 || relativeIndex >= len) {
+      return undefined;
+    }
+    return this[relativeIndex];
+  };
+}