From 5b7ccf0b671e2999b62befc729a3e517a0433728 Mon Sep 17 00:00:00 2001
From: Bertrand Yuan <bert.yuan@outlook.com>
Date: Mon, 15 Dec 2025 23:48:10 +0800
Subject: initial commit -- the front-end prototype

The initial code is base on Anirudh's work.

More to see at:

    https://github.com/techwithanirudh/shadcn-blog

Therefore, the code in this commit is under MIT license.
---
 src/components/auth/user-avatar.tsx |  56 ++++++++++++++++
 src/components/auth/user-button.tsx | 127 ++++++++++++++++++++++++++++++++++++
 2 files changed, 183 insertions(+)
 create mode 100644 src/components/auth/user-avatar.tsx
 create mode 100644 src/components/auth/user-button.tsx

(limited to 'src/components/auth')

diff --git a/src/components/auth/user-avatar.tsx b/src/components/auth/user-avatar.tsx
new file mode 100644
index 0000000..53b20b5
--- /dev/null
+++ b/src/components/auth/user-avatar.tsx
@@ -0,0 +1,56 @@
+import type { ComponentProps } from 'react';
+
+import { Icons } from '@/components/icons/icons';
+import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar';
+import type { User } from '@/lib/auth-client';
+import { cn } from '@/lib/utils';
+
+export interface UserAvatarClassNames {
+  base?: string;
+  image?: string;
+  fallback?: string;
+  fallbackIcon?: string;
+}
+
+export interface UserAvatarProps {
+  user?: User | null;
+  classNames?: UserAvatarClassNames;
+}
+
+export function UserAvatar({
+  user,
+  classNames,
+  className,
+  ...props
+}: UserAvatarProps & ComponentProps<typeof Avatar>) {
+  const name = user?.name || user?.email;
+  const src = user?.image;
+
+  return (
+    <Avatar
+      key={src}
+      className={cn('rounded-md', className, classNames?.base)}
+      {...props}
+    >
+      <AvatarImage
+        alt={name ?? 'Avatar'}
+        className={cn('rounded-md', classNames?.image)}
+        src={src ?? undefined}
+      />
+
+      <AvatarFallback
+        className={cn(
+          'rounded-md bg-transparent uppercase',
+          classNames?.fallback,
+        )}
+        delayMs={src ? 200 : 0}
+      >
+        {firstTwoCharacters(name) ?? (
+          <Icons.user className={cn('w-[55%]', classNames?.fallbackIcon)} />
+        )}
+      </AvatarFallback>
+    </Avatar>
+  );
+}
+
+const firstTwoCharacters = (name?: string | null) => name?.slice(0, 2);
diff --git a/src/components/auth/user-button.tsx b/src/components/auth/user-button.tsx
new file mode 100644
index 0000000..7caea4c
--- /dev/null
+++ b/src/components/auth/user-button.tsx
@@ -0,0 +1,127 @@
+'use client';
+
+import Link from 'next/link';
+
+import { Icons } from '@/components/icons/icons';
+import { Button } from '@/components/ui/button';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu';
+import { Skeleton } from '@/components/ui/skeleton';
+import { signOut, useSession } from '@/lib/auth-client';
+import { cn } from '@/lib/utils';
+
+import type { UserAvatarClassNames } from './user-avatar';
+import { UserAvatar } from './user-avatar';
+
+export interface UserButtonClassNames {
+  base?: string;
+  skeleton?: string;
+  trigger?: {
+    base?: string;
+    avatar?: UserAvatarClassNames;
+    skeleton?: string;
+  };
+  content?: {
+    base?: string;
+    avatar?: UserAvatarClassNames;
+    menuItem?: string;
+    separator?: string;
+  };
+}
+
+export interface UserButtonProps {
+  className?: string;
+  classNames?: UserButtonClassNames;
+}
+
+export function UserButton({ className, classNames }: UserButtonProps) {
+  const { data: sessionData, isPending } = useSession();
+  const user = sessionData?.user ?? null;
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger
+        className={cn('rounded-md bg-transparent', classNames?.trigger?.base)}
+        asChild
+      >
+        <Button
+          variant='ghost'
+          className='size-auto rounded-md border-none bg-transparent p-1.5 hover:bg-accent dark:hover:bg-accent'
+          disabled={isPending}
+        >
+          {isPending ? (
+            <Skeleton
+              className={cn(
+                'size-8 rounded-md',
+                className,
+                classNames?.base,
+                classNames?.skeleton,
+                classNames?.trigger?.skeleton,
+              )}
+            />
+          ) : (
+            <UserAvatar
+              className={cn('size-5', className, classNames?.base)}
+              classNames={classNames?.trigger?.avatar}
+              user={user}
+            />
+          )}
+        </Button>
+      </DropdownMenuTrigger>
+
+      <DropdownMenuContent
+        className={cn('max-w-64', classNames?.content?.base)}
+        onCloseAutoFocus={(e) => e.preventDefault()}
+        align='end'
+      >
+        {user ? (
+          <div className='flex items-center gap-2 p-2'>
+            <UserAvatar classNames={classNames?.content?.avatar} user={user} />
+
+            <div className='flex flex-col truncate'>
+              <div className='truncate font-medium text-sm'>
+                {user.name || user.email}
+              </div>
+
+              {user.name && (
+                <div className='truncate text-muted-foreground text-xs'>
+                  {user.email}
+                </div>
+              )}
+            </div>
+          </div>
+        ) : (
+          <div className='px-2 py-1 text-muted-foreground text-xs'>Account</div>
+        )}
+
+        <DropdownMenuSeparator className={classNames?.content?.separator} />
+
+        {!user ? (
+          <>
+            <DropdownMenuItem className={classNames?.content?.menuItem} asChild>
+              <Link href={'/login'}>
+                <Icons.logIn className='size-4' />
+                Sign In
+              </Link>
+            </DropdownMenuItem>
+          </>
+        ) : (
+          <>
+            <DropdownMenuItem
+              className={classNames?.content?.menuItem}
+              onClick={() => signOut()}
+            >
+              <Icons.logOut className='size-4' />
+              Log Out
+            </DropdownMenuItem>
+          </>
+        )}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}
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