114 lines
3.4 KiB
TypeScript
114 lines
3.4 KiB
TypeScript
'use client';
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import { useEffect, useRef } from 'react';
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import { createPortal } from 'react-dom';
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import { IconCommand } from '@tabler/icons-react';
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import { cn } from '@/lib/utils';
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import type { SlashCommand } from '@/hooks/use-inline-slash';
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type SlashCommandMenuProps = {
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isOpen: boolean;
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position: { x: number; y: number } | null;
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commands: SlashCommand[];
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selectedIndex: number;
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onSelect: (command: SlashCommand) => void;
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onClose: () => void;
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setSelectedIndex: (index: number) => void;
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};
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const MENU_HEIGHT = 280;
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const MENU_WIDTH = 320;
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export function SlashCommandMenu({
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isOpen,
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position,
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commands,
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selectedIndex,
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onSelect,
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onClose,
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setSelectedIndex,
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}: SlashCommandMenuProps) {
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const menuRef = useRef<HTMLDivElement>(null);
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const itemRefs = useRef<Map<number, HTMLButtonElement>>(new Map());
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// Scroll selected item into view
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useEffect(() => {
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const selectedItem = itemRefs.current.get(selectedIndex);
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if (selectedItem) {
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selectedItem.scrollIntoView({ block: 'nearest' });
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}
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}, [selectedIndex]);
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// Close on click outside
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useEffect(() => {
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if (!isOpen) return;
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const handleClickOutside = (event: MouseEvent) => {
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if (menuRef.current && !menuRef.current.contains(event.target as Node)) {
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onClose();
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}
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};
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document.addEventListener('mousedown', handleClickOutside);
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return () => document.removeEventListener('mousedown', handleClickOutside);
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}, [isOpen, onClose]);
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if (!isOpen || !position || commands.length === 0) {
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return null;
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}
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// Calculate position (above cursor)
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const menuStyle: React.CSSProperties = {
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position: 'fixed',
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left: Math.max(8, Math.min(position.x - 16, window.innerWidth - MENU_WIDTH - 8)),
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bottom: window.innerHeight - position.y + 8,
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width: MENU_WIDTH,
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maxHeight: MENU_HEIGHT,
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zIndex: 50,
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};
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const menu = (
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<div
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ref={menuRef}
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style={menuStyle}
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className="overflow-hidden rounded-lg bg-popover text-popover-foreground shadow-md ring-1 ring-foreground/10"
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>
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{/* Header */}
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<div className="px-2 py-1.5 border-b border-border/50">
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<span className="text-xs font-medium text-muted-foreground">Commands</span>
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</div>
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{/* Content */}
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<div className="overflow-y-auto py-1 scrollbar-thin" style={{ maxHeight: MENU_HEIGHT - 36 }}>
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{commands.map((command, index) => (
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<button
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key={command.id}
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ref={(el) => {
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if (el) itemRefs.current.set(index, el);
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}}
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type="button"
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className={cn(
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'flex w-full cursor-pointer select-none items-center gap-3 rounded-[6px] mx-1 px-2 py-1.5 text-[13px] text-left',
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'hover:bg-muted/50',
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selectedIndex === index && 'bg-muted/50'
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)}
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style={{ width: 'calc(100% - 8px)' }}
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onClick={() => onSelect(command)}
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onMouseEnter={() => setSelectedIndex(index)}
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>
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<IconCommand className="h-4 w-4 text-muted-foreground shrink-0" />
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<div className="min-w-0 flex-1">
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<div className="truncate">{command.label}</div>
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<div className="text-[11px] text-muted-foreground">{command.description}</div>
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</div>
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</button>
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))}
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</div>
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</div>
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);
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// Render via portal to escape any overflow containers
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if (typeof document === 'undefined') return null;
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return createPortal(menu, document.body);
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}
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