Army_home/commons/basic/src/main/ets/utils/YTPreferencesUtil.ets

import { preferences } from '@kit.ArkData'

class YTPreferences {
  private static declare instance: YTPreferences
  private preferencesName: string = 'preferencesName'
  private declare preference: preferences.Preferences

  private constructor() {
  }

  static getInstance() {
    if (!YTPreferences.instance) {
      YTPreferences.instance = new YTPreferences()
    }
    return YTPreferences.instance
  }

  init(context: Context) {
    this.preference = preferences.getPreferencesSync(context, { name: this.preferencesName })
  }

  setData(key: string, data: ESObject) {
    this.preference.putSync(key, data)
    this.preference.flushSync()
  }

  getData(key: string): ESObject {
    return this.preference.getSync(key, undefined)
  }

  removeData(key: string) {
    this.preference.deleteSync(key)
  }

  clear() {
    this.preference.clearSync()
    this.preference.flushSync()
  }
}

export const yTPreferences = YTPreferences.getInstance()