"use client"; import { X } from "lucide-react"; import { useId, useRef, useState } from "react"; import type { ClipboardEvent, HTMLAttributes, KeyboardEvent } from "react"; export type TagInputProps = Omit, "onChange" | "defaultValue"> & { label: string; value?: string[]; defaultValue?: string[]; onValueChange?: (tags: string[]) => void; /** Maximum number of tags. */ max?: number; /** Maximum characters per tag. */ maxTagLength?: number; /** Return a message to reject a tag, or null to accept it. */ validateTag?: (tag: string, tags: string[]) => string | null; /** Each tag is submitted as its own hidden input with this name. */ name?: string; placeholder?: string; description?: string; error?: string; disabled?: boolean; }; function cx(...values: Array) { return values.filter(Boolean).join(" "); } export function TagInput({ label, value, defaultValue = [], onValueChange, max, maxTagLength = 32, validateTag, name, placeholder = "Type and press Enter", description, error, disabled, className, ...props }: TagInputProps) { const id = useId(); const inputId = id + "-input"; const descriptionId = id + "-description"; const countId = id + "-count"; const errorId = id + "-error"; const [inner, setInner] = useState(defaultValue); const tags = value !== undefined ? value : inner; const [draft, setDraft] = useState(""); const [localError, setLocalError] = useState(null); const [announcement, setAnnouncement] = useState(""); const inputRef = useRef(null); const commit = (next: string[]) => { if (value === undefined) setInner(next); onValueChange?.(next); }; const addMany = (raw: string[]) => { let next = tags.slice(); const added: string[] = []; for (const candidate of raw) { const tag = candidate.trim().replace(/\s+/g, " "); if (!tag) continue; if (max !== undefined && next.length >= max) { setLocalError("You can add up to " + max + " tags. Remove one to add another."); break; } if (tag.length > maxTagLength) { setLocalError("Keep each tag under " + maxTagLength + " characters."); continue; } if (next.some((existing) => existing.toLowerCase() === tag.toLowerCase())) { setLocalError("“" + tag + "” is already in the list."); continue; } const custom = validateTag?.(tag, next) ?? null; if (custom) { setLocalError(custom); continue; } next = next.concat(tag); added.push(tag); } if (added.length) { commit(next); setDraft(""); setAnnouncement("Added " + added.join(", ") + ". " + next.length + (next.length === 1 ? " tag" : " tags") + " in total."); if (added.length === raw.filter((item) => item.trim()).length) setLocalError(null); } }; const remove = (tag: string, refocus = true) => { const next = tags.filter((existing) => existing !== tag); commit(next); setLocalError(null); setAnnouncement("Removed " + tag + "."); if (refocus) inputRef.current?.focus(); }; const onKeyDown = (event: KeyboardEvent) => { if ((event.key === "Enter" || event.key === ",") && draft.trim()) { event.preventDefault(); addMany([draft]); return; } if (event.key === "Backspace" && draft === "" && tags.length) { event.preventDefault(); remove(tags[tags.length - 1]); } }; const onPaste = (event: ClipboardEvent) => { const text = event.clipboardData.getData("text"); if (!/[,\n]/.test(text)) return; event.preventDefault(); addMany(text.split(/[,\n]/)); }; const shownError = localError ?? error ?? ""; const atMax = max !== undefined && tags.length >= max; const describedBy = cx(description && descriptionId, max !== undefined && countId, shownError && errorId) || undefined; return (

{label} {max !== undefined ? ( {tags.length} of {max} ) : null}

{ if (event.target === event.currentTarget) inputRef.current?.focus(); }} className={cx( "flex min-h-11 w-full flex-wrap items-center gap-1.5 rounded-md border bg-[#FBFBF8] px-1.5 py-1 transition-[border-color,box-shadow] motion-reduce:transition-none", "focus-within:border-[#1E6B64] focus-within:ring-2 focus-within:ring-[#1E6B64]/35 dark:bg-[#232A29] dark:focus-within:border-[#7FC4BA] dark:focus-within:ring-[#7FC4BA]/40", shownError ? "border-[#A33228] dark:border-[#F0897D]" : "border-[#858B83] dark:border-[#6E7976]", disabled && "cursor-not-allowed opacity-60", )} > {tags.length ? (

{tag}

) : null} { setDraft(event.target.value); if (localError) setLocalError(null); }} onKeyDown={onKeyDown} onPaste={onPaste} className="h-9 min-w-[8ch] flex-1 bg-transparent px-1.5 text-[15px] text-[#1D211F] outline-none placeholder:text-[#5E6764] dark:text-[#E9EBE4] dark:placeholder:text-[#A6B0AD]" />

{description ? (

{description}

) : null}

{shownError}

{announcement} {name ? tags.map((tag) => ) : null}

); }