"use client"; import { useEffect, useRef, useState } from "react"; import { AnimatePresence, motion } from "framer-motion"; import { CornerDownLeft, Delete, Hash, Plus, X } from "lucide-react"; import { cn } from "@/lib/utils"; const EASE: [number, number, number, number] = [0.16, 1, 0.3, 1]; const GLOW_REST = "0 0 0 1px rgba(255,255,255,0.06)"; const GLOW_A = "0 0 0 1px rgba(124,108,255,0.34), 0 10px 42px -14px rgba(124,108,255,0.28)"; const GLOW_B = "0 0 0 1px rgba(124,108,255,0.52), 0 12px 46px -12px rgba(124,108,255,0.44)"; export interface TagInputProps { tags: string[]; inputValue: string; onInputChange?: (value: string) => void; onAdd?: (tag: string) => void; onRemove?: (index: number) => void; suggestions?: string[]; onPick?: (tag: string) => void; placeholder?: string; label?: string; /** Force the focus-ring glow on (used by the autoplay demo). Falls back to internal focus. */ active?: boolean; /** Force the caret visible. Falls back to the active/focus state. */ showCaret?: boolean; /** Enable keyboard editing on the field. Suggestion picks and chip removal stay live regardless. */ interactive?: boolean; maxTags?: number; className?: string; } export function TagInput({ tags, inputValue, onInputChange, onAdd, onRemove, suggestions = [], onPick, placeholder = "Type a tag and press enter", label, active, showCaret, interactive = true, maxTags = 12, className, }: TagInputProps) { const fieldRef = useRef(null); const [focused, setFocused] = useState(false); const isActive = active ?? focused; const caretOn = showCaret ?? isActive; function commit() { const value = inputValue.trim(); if (!value || tags.length >= maxTags) return; if (!tags.includes(value)) onAdd?.(value); onInputChange?.(""); } function handleKeyDown(e: React.KeyboardEvent) { if (!interactive) return; if (e.key === "Enter" || e.key === ",") { e.preventDefault(); commit(); } else if (e.key === "Backspace") { if (inputValue.length > 0) { e.preventDefault(); onInputChange?.(inputValue.slice(0, -1)); } else if (tags.length > 0) { e.preventDefault(); onRemove?.(tags.length - 1); } } else if ( e.key.length === 1 && !e.metaKey && !e.ctrlKey && !e.altKey && tags.length < maxTags ) { e.preventDefault(); onInputChange?.(inputValue + e.key); } } const openSuggestions = suggestions.filter((s) => !tags.includes(s)); const showPlaceholder = !isActive && inputValue === "" && tags.length === 0; return (

{label && (

{label}

)} setFocused(true)} onBlur={() => setFocused(false)} onMouseDown={() => interactive && fieldRef.current?.focus()} animate={{ boxShadow: isActive ? [GLOW_A, GLOW_B, GLOW_A] : GLOW_REST }} transition={ isActive ? { duration: 3.4, repeat: Infinity, ease: "easeInOut" } : { duration: 0.35, ease: EASE } } className="relative cursor-text rounded-xl bg-panel px-2.5 py-2 outline-none" >

{tags.map((tag, i) => ( {tag} ))} {inputValue !== "" && ( {inputValue} )} {showPlaceholder && ( {placeholder} )} {caretOn && ( )}

add remove

{tags.length} / {maxTags}

{openSuggestions.length > 0 && (

Suggested

{openSuggestions.map((s) => ( e.preventDefault()} onClick={() => onPick?.(s)} className="inline-flex items-center gap-1 rounded-lg border border-dashed border-white/12 bg-transparent px-2 py-1 text-[12px] text-zinc-500 transition-colors hover:border-brand/40 hover:bg-brand/[0.06] hover:text-brand-soft" > {s} ))}

)}

); } const INITIAL_TAGS = ["react", "next.js", "typescript", "motion"]; const TYPE_POOL = [ "tailwind", "framer", "vercel", "zod", "prisma", "trpc", "radix", "eslint", ]; const SUGGESTIONS = ["tailwind", "supabase", "vitest", "storybook"]; const MAX_VISIBLE = 7; const MAX_TAGS = 12; export default function Demo() { const [tags, setTags] = useState(INITIAL_TAGS); const [draft, setDraft] = useState(""); useEffect(() => { let alive = true; let timer: ReturnType; let wordIndex = 0; let charIndex = 0; let adds = 0; const schedule = (fn: () => void, ms: number) => { timer = setTimeout(() => { if (alive) fn(); }, ms); }; const typeChar = () => { const word = TYPE_POOL[wordIndex % TYPE_POOL.length]; charIndex += 1; setDraft(word.slice(0, charIndex)); if (charIndex < word.length) { schedule(typeChar, 72 + (charIndex % 3) * 26); } else { schedule(commit, 480); } }; const commit = () => { const word = TYPE_POOL[wordIndex % TYPE_POOL.length]; setDraft(""); setTags((prev) => { if (prev.includes(word)) return prev; const next = [...prev, word]; return next.length > MAX_VISIBLE ? next.slice(next.length - MAX_VISIBLE) : next; }); wordIndex += 1; charIndex = 0; adds += 1; if (adds % 2 === 0) schedule(removeOne, 1000); else schedule(typeChar, 1150); }; const removeOne = () => { setTags((prev) => prev.length <= 3 ? prev : [prev[0], ...prev.slice(2)] ); schedule(typeChar, 1050); }; schedule(typeChar, 1300); return () => { alive = false; clearTimeout(timer); }; }, []); const handleRemove = (index: number) => setTags((prev) => prev.filter((_, i) => i !== index)); const handlePick = (tag: string) => setTags((prev) => { if (prev.includes(tag) || prev.length >= MAX_TAGS) return prev; const next = [...prev, tag]; return next.length > MAX_VISIBLE ? next.slice(next.length - MAX_VISIBLE) : next; }); return (

); }

Tag Input