@raona/sp/dist/services/notifier/Singleton.js

Raona utilities to work with Sharepoint using pnp/sp

/* import { Notifier } from './';

export function Singleton<T>() {
    abstract class Singleton {

        private static identifier;

        public constructor(id: string) {
            this.identifier = 'singleton_' + id;
        }

        public static initialize(id: string): void {
            window[id] = window[id] || new Notifier(id);
        }

        public static getInstance(): T {
            return window[this.identifier];
        }

    }

} */