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); } ``` ## Props | Prop | Type | Default | | --- | --- | --- | | `notifications` | `NotificationItem[]` | | | `defaultOpen`? | `boolean` | `false` | | `onRequest`? | `(item: NotificationItem, approved: boolean) => void` | | | `onSettings`? | `() => void` | | | `className`? | `string` | | ## Source: components/notification-centre.tsx ```tsx "use client"; import { Popover } from "@base-ui/react/popover"; import { ArchiveIcon, AtSignIcon, BellIcon, BellOffIcon, CheckCheckIcon, CheckIcon, CircleIcon, KeyRoundIcon, MessageSquareIcon, RocketIcon, SettingsIcon, UserRoundPlusIcon, XIcon, } from "lucide-react"; import { AnimatePresence, motion, useReducedMotion } from "motion/react"; import { type ReactNode, useEffect, useMemo, useRef, useState } from "react"; import { Button } from "@/components/ui/button"; import { Tabs, TabsList, TabsTab } from "@/components/ui/tabs"; import { cn } from "@/lib/utils"; export type NotificationKind = "mention" | "comment" | "assign" | "access" | "deploy"; export type NotificationTone = "violet" | "sky" | "emerald" | "amber" | "rose" | "teal"; export interface NotificationItem { id: string; kind: NotificationKind; actor: { name: string; tone?: NotificationTone }; action: string; target?: string; snippet?: string; time: string; place?: string; group: string; read?: boolean; request?: boolean; } export interface NotificationCentreProps { notifications: NotificationItem[]; defaultOpen?: boolean; onRequest?: (item: NotificationItem, approved: boolean) => void; onSettings?: () => void; className?: string; } const TONES: Record = { violet: "bg-violet-500/15 text-violet-700 dark:text-violet-300", sky: "bg-sky-500/15 text-sky-700 dark:text-sky-300", emerald: "bg-emerald-500/15 text-emerald-700 dark:text-emerald-300", amber: "bg-amber-500/15 text-amber-700 dark:text-amber-300", rose: "bg-rose-500/15 text-rose-700 dark:text-rose-300", teal: "bg-teal-500/15 text-teal-700 dark:text-teal-300", }; const KIND_ICON: Record = { mention: , comment: , assign: , access: , deploy: , }; type Tab = "all" | "mentions" | "unread"; const initials = (name: string) => name .split(/\s+/) .map((w) => w[0]) .slice(0, 2) .join("") .toUpperCase(); export function NotificationCentre({ notifications, defaultOpen = false, onRequest, onSettings, className }: NotificationCentreProps) { const reduce = useReducedMotion(); const [items, setItems] = useState(notifications); const [tab, setTab] = useState("all"); const [answered, setAnswered] = useState>({}); const [archived, setArchived] = useState<{ item: NotificationItem; index: number } | null>(null); const undoTimer = useRef(undefined); const popupRef = useRef(null); useEffect(() => () => clearTimeout(undoTimer.current), []); const unread = items.filter((n) => !n.read).length; const counts = { all: items.length, mentions: items.filter((n) => n.kind === "mention").length, unread, }; const visible = useMemo(() => { const list = items.filter((n) => (tab === "mentions" ? n.kind === "mention" : tab === "unread" ? !n.read : true)); const groups: { title: string; items: NotificationItem[] }[] = []; for (const n of list) { const g = groups.find((x) => x.title === n.group); if (g) g.items.push(n); else groups.push({ title: n.group, items: [n] }); } return groups; }, [items, tab]); const setRead = (id: string, read: boolean) => setItems((list) => list.map((n) => (n.id === id ? { ...n, read } : n))); const markAll = () => setItems((list) => list.map((n) => ({ ...n, read: true }))); const archive = (id: string) => { const index = items.findIndex((n) => n.id === id); if (index < 0) return; setArchived({ item: items[index], index }); setItems((list) => list.filter((n) => n.id !== id)); clearTimeout(undoTimer.current); undoTimer.current = window.setTimeout(() => setArchived(null), 5000); }; const undo = () => { if (!archived) return; setItems((list) => { const next = [...list]; next.splice(Math.min(archived.index, next.length), 0, archived.item); return next; }); setArchived(null); clearTimeout(undoTimer.current); }; const answer = (item: NotificationItem, approved: boolean) => { setAnswered((a) => ({ ...a, [item.id]: approved })); setRead(item.id, true); onRequest?.(item, approved); }; const ease = [0.23, 1, 0.32, 1] as const; return ( {unread > 0 && ( {unread > 9 ? "9+" : unread} )} (type === "keyboard" ? true : type === "" ? false : popupRef.current)} ref={popupRef} >

Notifications

setTab(v as Tab)} value={tab}> {(["all", "mentions", "unread"] as const).map((t) => ( {t} {counts[t]} ))}

{visible.length === 0 ? (

You’re all caught up

{tab === "mentions" ? "When someone @mentions you, it lands here." : "New replies, requests and deploys will show up here."}

) : ( {visible.map((group) => (

{group.title}

{group.items.map((n) => ( answer(n, approved)} onArchive={() => archive(n.id)} onOpen={() => setRead(n.id, true)} onToggleRead={() => setRead(n.id, !n.read)} reduce={!!reduce} /> ))} ))} )}

{archived ? ( Archived {archived.item.actor.name}’s notification ) : ( {unread ? `${unread} unread` : "Nothing unread"} )}

); } interface RowProps { item: NotificationItem; answered?: boolean; reduce: boolean; onOpen: () => void; onToggleRead: () => void; onArchive: () => void; onAnswer: (approved: boolean) => void; } function Row({ item, answered, reduce, onOpen, onToggleRead, onArchive, onAnswer }: RowProps) { const ease = [0.23, 1, 0.32, 1] as const; const tone = TONES[item.actor.tone ?? "sky"]; return (

) : ( {answered ? : } {answered ? "Access granted" : "Request declined"} )}

)}

{item.time} {item.place && <> · {item.place}}