CapacitorStorage.ts

import { Injectable } from '@angular/core';
import {
  Preferences,
  ConfigureOptions,
  GetResult,
  MigrateResult,
  KeysResult
} from '@capacitor/preferences';
@Injectable({
  providedIn: 'root',
})
export class CapacitorStorageService {
    constructor() {}

  public async set(_key: string, _value: any): Promise<void> {
    return Preferences.set({ key: _key, value: JSON.stringify(_value) });
  }

  public async get<T>(_key: string): Promise<T | undefined> {
    try {
      const res = await Preferences.get({ key: _key });
      return res.value ? (JSON.parse(res.value) as T) : undefined;
    } catch {
      return undefined;
    }
  }

  public async remove(_key: string): Promise<void> {
    return Preferences.remove({ key: _key });
  }

  public async clear(): Promise<void> {
    return Preferences.clear();
  }

  public async keys(): Promise<string[]> {
    try{
      const keySet:KeysResult = await Preferences.keys()
      return keySet.keys ? keySet.keys : []
    }catch{
      return []
    }
 
  }

  public async configure(_options: ConfigureOptions): Promise<void> {
    return Preferences.configure(_options);
  }

  public async migrate(): Promise<MigrateResult> {
    return Preferences.migrate();
  }
}