local_storage.ts

export class LocalStorage {
    public localStorage:any;

    constructor() {
        try{
            if (!localStorage) {
                throw new Error('Current browser does not support Local Storage');
            }
            this.localStorage = localStorage;
        } catch(err){}
    }

    public set(key:string, value:string):void {
        this.localStorage[key] = value;
    }

    public get(key:string):string {
        return this.localStorage[key] || false;
    }

    public setObject(key:string, value:any):void {
        this.localStorage[key] = JSON.stringify(value);
    }

    public getObject(key:string):any {
        return JSON.parse(this.localStorage[key] || '{}');
    }

    public remove(key:string):any {
        this.localStorage.removeItem(key);
    }
}

export const LOCAL_STORAGE_PROVIDERS:any[] = [
   {provide: LocalStorage, useClass: LocalStorage},
];