Storage service for Angular2 Apps

storage.service.ts

import { Injectable } from '@angular/core';

@Injectable()
export class StorageService {
  // STORAGE

  static getItem(key: string): any {
    return this.get(localStorage.getItem(key));
  }

  static setItem(key: string, item: Object): void {
    return this.set(key, JSON.stringify(item));
  }

  static removeItem(key: string): void {
    return this.remove(key);
  }

  // KEY/VALUE STORAGE

  static get(key: string): any {
    return localStorage.getItem(key);
  }

  static set(key: string, value: any): void {
    return localStorage.setItem(key, value);
  }

  static remove(key: string): void {
    return localStorage.removeItem(key);
  }

  // ACCOUNT

  static hasAccount(): boolean {
    return !!this.getItem('account');
  }

  static getAccount(): void {
    if (this.hasAccount()) {
      return this.getItem('account');
    }
  }

  static setAccount(account: Object): void {
    return this.setItem('account', account);
  }

  static removeAccount(): void {
    return this.removeItem('account');
  }
}