Files
siftlode/frontend/src/components/Toaster.tsx
T
peter c2d914bacb feat(notifications): coalesce identical notifications with a repeat count
Fold a burst of identical notifications (same level+title+message within a
short window) into one entry with a ×N count instead of stacking copies — tames
a crash-retry loop or a repeatedly-failing poll. Shown in the toast and centre.
2026-07-13 05:13:18 +02:00

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import { useSyncExternalStore } from "react";
import { useTranslation } from "react-i18next";
import {
AlertCircle,
AlertTriangle,
CheckCircle2,
Info,
X,
XCircle,
} from "lucide-react";
import {
dismiss,
getActiveToasts,
subscribe,
type NotifLevel,
} from "../lib/notifications";
export const LEVEL_STYLE: Record<
NotifLevel,
{ icon: typeof Info; color: string; bar: string }
> = {
info: { icon: Info, color: "text-accent", bar: "bg-accent" },
success: { icon: CheckCircle2, color: "text-emerald-400", bar: "bg-emerald-400" },
warning: { icon: AlertTriangle, color: "text-amber-400", bar: "bg-amber-400" },
error: { icon: AlertCircle, color: "text-red-400", bar: "bg-red-400" },
fatal: { icon: XCircle, color: "text-red-500", bar: "bg-red-500" },
};
export default function Toaster() {
const { t } = useTranslation();
const toasts = useSyncExternalStore(subscribe, getActiveToasts, getActiveToasts);
return (
<div className="absolute bottom-4 left-4 z-50 flex flex-col gap-2 w-80 max-w-[calc(100vw-2rem)]">
{toasts.map((toast) => {
const { icon: Icon, color, bar } = LEVEL_STYLE[toast.level];
return (
<div
key={toast.id}
className="toast-card glass relative overflow-hidden rounded-xl px-3 py-3 flex items-start gap-3 animate-[popIn_0.16s_ease]"
>
<Icon className={`w-5 h-5 shrink-0 mt-0.5 ${color}`} />
<div className="min-w-0 flex-1">
{toast.title && <div className="text-sm font-semibold">{toast.title}</div>}
<div className="text-sm break-words">
{toast.message}
{toast.repeat > 1 && (
<span className="ml-1.5 align-middle text-[11px] font-semibold text-muted tabular-nums">
×{toast.repeat}
</span>
)}
</div>
{toast.action && (
<button
onClick={() => {
toast.action!.onClick();
dismiss(toast.id);
}}
className="mt-1 text-accent text-sm font-semibold hover:underline"
>
{toast.action.label}
</button>
)}
</div>
<button
onClick={() => dismiss(toast.id)}
className="shrink-0 text-muted hover:text-fg"
title={t("notifications.dismiss")}
>
<X className="w-4 h-4" />
</button>
{toast.duration && (
<div
className={`absolute left-0 bottom-0 h-0.5 w-full origin-left ${bar}`}
style={{ animation: `toastbar ${toast.duration}ms linear forwards` }}
/>
)}
</div>
);
})}
</div>
);
}