Files
GMW/services/frontend/src/shared/ui/toast.tsx
T

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TypeScript

// ─── Toast notification system ──────────────────────────────────────────────
import {
createContext,
type ReactNode,
useCallback,
useContext,
useState,
} from "react";
import { cn } from "../lib/utils";
interface Toast {
id: string;
message: string;
type: "info" | "success" | "error" | "warning";
}
interface ToastContextType {
toasts: Toast[];
addToast: (message: string, type?: Toast["type"]) => void;
removeToast: (id: string) => void;
}
const ToastContext = createContext<ToastContextType>({
toasts: [],
addToast: () => {},
removeToast: () => {},
});
export function ToastProvider({ children }: { children: ReactNode }) {
const [toasts, setToasts] = useState<Toast[]>([]);
const addToast = useCallback(
(message: string, type: Toast["type"] = "info") => {
const id = `toast-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`;
setToasts((prev) => [...prev, { id, message, type }]);
setTimeout(
() => setToasts((prev) => prev.filter((t) => t.id !== id)),
4000,
);
},
[],
);
const removeToast = useCallback((id: string) => {
setToasts((prev) => prev.filter((t) => t.id !== id));
}, []);
return (
<ToastContext.Provider value={{ toasts, addToast, removeToast }}>
{children}
<ToastContainer />
</ToastContext.Provider>
);
}
export function useToast() {
return useContext(ToastContext);
}
const typeStyles: Record<Toast["type"], string> = {
info: "border-l-primary bg-white text-foreground",
success: "border-l-green-500 bg-white text-foreground",
error: "border-l-red-500 bg-white text-foreground",
warning: "border-l-amber-500 bg-white text-foreground",
};
const typeIcons: Record<Toast["type"], string> = {
info: "💠",
success: "🌸",
error: "😿",
warning: "⚠️",
};
function ToastContainer() {
const { toasts, removeToast } = useContext(ToastContext);
if (toasts.length === 0) return null;
return (
<div className="fixed bottom-4 right-4 z-50 flex flex-col gap-2">
{toasts.map((toast) => (
<div
key={toast.id}
className={cn(
"flex items-center gap-2 rounded-xl border border-border px-4 py-3 text-sm shadow-md cursor-pointer transition-all hover:scale-[1.02] border-l-4",
typeStyles[toast.type],
)}
onClick={() => removeToast(toast.id)}
>
<span className="text-base leading-none">
{typeIcons[toast.type]}
</span>
<span>{toast.message}</span>
</div>
))}
</div>
);
}