import mitt from 'mitt'; type NotifyEvents = { notification: UpNotification; }; export type UpNotificationLevel = 'info' | 'warning' | 'error'; export interface INotification { id: string; content: string; level: UpNotificationLevel; } export class UpNotification implements INotification { id: string; content: string; level: UpNotificationLevel; constructor(content: string, level?: UpNotificationLevel) { this.id = String(Math.random()); this.content = content; this.level = level || 'info'; } } export const notify = mitt();