Deletes old project

app/src/lib/components/toasts/notifications.ts

@@ -0,0 +1,52 @@
+import { writable, derived, type Writable } from 'svelte/store';
+
+type NotificationType = 'info' | 'error' | 'warning' | 'success';
+
+type State = {
+	id: string;
+	type: NotificationType;
+	message: string;
+	timeout: number;
+};
+
+function createNotificationStore() {
+	const state: State[] = [];
+	const _notifications = writable(state);
+
+	function send(message: string, type: NotificationType = 'info', timeout: number) {
+		_notifications.update((state) => {
+			return [...state, { id: id(), type, message, timeout }];
+		});
+	}
+
+	const notifications = derived(_notifications, ($_notifications, set) => {
+		set($_notifications);
+		if ($_notifications.length > 0) {
+			const timer = setTimeout(() => {
+				_notifications.update((state) => {
+					state.shift();
+					return state;
+				});
+			}, $_notifications[0].timeout);
+			return () => {
+				clearTimeout(timer);
+			};
+		}
+	}) as Writable<State[]>;
+	const { subscribe } = notifications;
+
+	return {
+		subscribe,
+		send,
+		error: (msg: string, timeout: number) => send(msg, 'error', timeout),
+		warning: (msg: string, timeout: number) => send(msg, 'warning', timeout),
+		info: (msg: string, timeout: number) => send(msg, 'info', timeout),
+		success: (msg: string, timeout: number) => send(msg, 'success', timeout)
+	};
+}
+
+function id() {
+	return '_' + Math.random().toString(36).substr(2, 9);
+}
+
+export const notifications = createNotificationStore();