🎨 feat: Create Avatars of Initials Locally (#1869)

client/src/hooks/Messages/index.ts

@@ -1,3 +1,4 @@
+export { default as useAvatar } from './useAvatar';
 export { default as useProgress } from './useProgress';
 export { default as useMessageHelpers } from './useMessageHelpers';
 export { default as useMessageScrolling } from './useMessageScrolling';

client/src/hooks/Messages/useAvatar.ts

@@ -0,0 +1,50 @@
+import { useState, useEffect } from 'react';
+import { createAvatar } from '@dicebear/core';
+import { initials } from '@dicebear/collection';
+import type { TUser } from 'librechat-data-provider';
+
+const useAvatar = (user: TUser | undefined) => {
+  const [avatarSrc, setAvatarSrc] = useState('');
+
+  useEffect(() => {
+    if (avatarSrc.length) {
+      return;
+    }
+
+    if (user?.avatar) {
+      return;
+    }
+
+    if (!user?.username) {
+      return;
+    }
+
+    const generateAvatar = async () => {
+      if (!user) {
+        return;
+      }
+
+      const { username } = user;
+
+      const avatar = createAvatar(initials, {
+        seed: username,
+        fontFamily: ['Verdana'],
+        fontSize: 36,
+      });
+
+      try {
+        const avatarDataUri = await avatar.toDataUri();
+        setAvatarSrc(avatarDataUri);
+      } catch (error) {
+        console.error('Failed to generate avatar:', error);
+        setAvatarSrc('');
+      }
+    };
+
+    generateAvatar();
+  }, [user, avatarSrc.length]);
+
+  return avatarSrc;
+};
+
+export default useAvatar;