Localstorage service angular

import { DOCUMENT } from '@angular/common';
import { inject, Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root',
})
export class LocalstorageService {
  private readonly _storage = inject(DOCUMENT)?.defaultView?.localStorage;

  get<T>(key: string): T | null {
    if (!this._storage) {
      return null;
    }
    return JSON.parse(this._storage.getItem(key) || 'null');
  }

  set<T>(key: string, value: T) {
    if (!this._storage) {
      return;
    }
    this._storage.setItem(key, JSON.stringify(value));
  }

  clear() {
    if (!this._storage) {
      return;
    }
    this._storage.clear();
  }
}