initial commit with full project

src/lib/stores/toast.svelte.ts

@@ -0,0 +1,34 @@
+import type { Toast, ToastType } from '$lib/types';
+
+const defaultDurations: Record<ToastType, number> = {
+	success: 4000,
+	info: 4000,
+	warning: 6000,
+	error: 0
+};
+
+let nextId = 0;
+
+class ToastStore {
+	items: Toast[] = $state([]);
+
+	add(type: ToastType, message: string, duration?: number): string {
+		const id = String(nextId++);
+		const dur = duration ?? defaultDurations[type];
+
+		this.items.push({ id, type, message, duration: dur });
+
+		if (dur > 0) {
+			setTimeout(() => this.remove(id), dur);
+		}
+
+		return id;
+	}
+
+	remove(id: string) {
+		const idx = this.items.findIndex((t) => t.id === id);
+		if (idx !== -1) this.items.splice(idx, 1);
+	}
+}
+
+export const toasts = new ToastStore();