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/ui/dropdown-menu.tsx | 257 ++++++++++++++++++++++++++++++++++++
 1 file changed, 257 insertions(+)
 create mode 100644 src/components/ui/dropdown-menu.tsx

(limited to 'src/components/ui/dropdown-menu.tsx')

diff --git a/src/components/ui/dropdown-menu.tsx b/src/components/ui/dropdown-menu.tsx
new file mode 100644
index 0000000..eb4601e
--- /dev/null
+++ b/src/components/ui/dropdown-menu.tsx
@@ -0,0 +1,257 @@
+'use client';
+
+import * as DropdownMenuPrimitive from '@radix-ui/react-dropdown-menu';
+import { CheckIcon, ChevronRightIcon, CircleIcon } from 'lucide-react';
+import type * as React from 'react';
+
+import { cn } from '@/lib/utils';
+
+function DropdownMenu({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Root>) {
+  return <DropdownMenuPrimitive.Root data-slot='dropdown-menu' {...props} />;
+}
+
+function DropdownMenuPortal({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Portal>) {
+  return (
+    <DropdownMenuPrimitive.Portal data-slot='dropdown-menu-portal' {...props} />
+  );
+}
+
+function DropdownMenuTrigger({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Trigger>) {
+  return (
+    <DropdownMenuPrimitive.Trigger
+      data-slot='dropdown-menu-trigger'
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuContent({
+  className,
+  sideOffset = 4,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
+  return (
+    <DropdownMenuPrimitive.Portal>
+      <DropdownMenuPrimitive.Content
+        data-slot='dropdown-menu-content'
+        sideOffset={sideOffset}
+        className={cn(
+          'data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 max-h-(--radix-dropdown-menu-content-available-height) min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-y-auto overflow-x-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=closed]:animate-out data-[state=open]:animate-in',
+          className,
+        )}
+        {...props}
+      />
+    </DropdownMenuPrimitive.Portal>
+  );
+}
+
+function DropdownMenuGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Group>) {
+  return (
+    <DropdownMenuPrimitive.Group data-slot='dropdown-menu-group' {...props} />
+  );
+}
+
+function DropdownMenuItem({
+  className,
+  inset,
+  variant = 'default',
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
+  inset?: boolean;
+  variant?: 'default' | 'destructive';
+}) {
+  return (
+    <DropdownMenuPrimitive.Item
+      data-slot='dropdown-menu-item'
+      data-inset={inset}
+      data-variant={variant}
+      className={cn(
+        "data-[variant=destructive]:*:[svg]:!text-destructive dark:data-[variant=destructive]:focus:bg-destructive/20'size-'])]:size-4 relative flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden [&_svg:not([class*= focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[inset]:pl-8 data-[variant=destructive]:text-destructive data-[disabled]:opacity-50 data-[variant=destructive]:focus:bg-destructive/10 data-[variant=destructive]:focus:text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground [&_svg]:pointer-events-none [&_svg]:shrink-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuCheckboxItem({
+  className,
+  children,
+  checked,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem>) {
+  return (
+    <DropdownMenuPrimitive.CheckboxItem
+      data-slot='dropdown-menu-checkbox-item'
+      className={cn(
+        "data-[disabled]:opacity-50'size-'])]:size-4 relative flex cursor-default select-none items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden [&_svg:not([class*= focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none [&_svg]:pointer-events-none [&_svg]:shrink-0",
+        className,
+      )}
+      checked={checked}
+      {...props}
+    >
+      <span className='pointer-events-none absolute left-2 flex size-3.5 items-center justify-center'>
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CheckIcon className='size-4' />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.CheckboxItem>
+  );
+}
+
+function DropdownMenuRadioGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioGroup>) {
+  return (
+    <DropdownMenuPrimitive.RadioGroup
+      data-slot='dropdown-menu-radio-group'
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuRadioItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem>) {
+  return (
+    <DropdownMenuPrimitive.RadioItem
+      data-slot='dropdown-menu-radio-item'
+      className={cn(
+        "data-[disabled]:opacity-50'size-'])]:size-4 relative flex cursor-default select-none items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden [&_svg:not([class*= focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none [&_svg]:pointer-events-none [&_svg]:shrink-0",
+        className,
+      )}
+      {...props}
+    >
+      <span className='pointer-events-none absolute left-2 flex size-3.5 items-center justify-center'>
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CircleIcon className='size-2 fill-current' />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.RadioItem>
+  );
+}
+
+function DropdownMenuLabel({
+  className,
+  inset,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Label> & {
+  inset?: boolean;
+}) {
+  return (
+    <DropdownMenuPrimitive.Label
+      data-slot='dropdown-menu-label'
+      data-inset={inset}
+      className={cn(
+        'px-2 py-1.5 font-medium text-sm data-[inset]:pl-8',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Separator>) {
+  return (
+    <DropdownMenuPrimitive.Separator
+      data-slot='dropdown-menu-separator'
+      className={cn('-mx-1 my-1 h-px bg-border', className)}
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuShortcut({
+  className,
+  ...props
+}: React.ComponentProps<'span'>) {
+  return (
+    <span
+      data-slot='dropdown-menu-shortcut'
+      className={cn(
+        'ml-auto text-muted-foreground text-xs tracking-widest',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function DropdownMenuSub({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Sub>) {
+  return <DropdownMenuPrimitive.Sub data-slot='dropdown-menu-sub' {...props} />;
+}
+
+function DropdownMenuSubTrigger({
+  className,
+  inset,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
+  inset?: boolean;
+}) {
+  return (
+    <DropdownMenuPrimitive.SubTrigger
+      data-slot='dropdown-menu-sub-trigger'
+      data-inset={inset}
+      className={cn(
+        'flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-hidden focus:bg-accent focus:text-accent-foreground data-[state=open]:bg-accent data-[inset]:pl-8 data-[state=open]:text-accent-foreground',
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronRightIcon className='ml-auto size-4' />
+    </DropdownMenuPrimitive.SubTrigger>
+  );
+}
+
+function DropdownMenuSubContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
+  return (
+    <DropdownMenuPrimitive.SubContent
+      data-slot='dropdown-menu-sub-content'
+      className={cn(
+        'data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=closed]:animate-out data-[state=open]:animate-in',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  DropdownMenu,
+  DropdownMenuPortal,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuGroup,
+  DropdownMenuLabel,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioGroup,
+  DropdownMenuRadioItem,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuSub,
+  DropdownMenuSubTrigger,
+  DropdownMenuSubContent,
+};
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