text: import screenfull from 'screenfull'
  
  export default {
    namespaced: true,
    state: {
      // 全屏激活
      active: false
    },
    actions: {
      /**
       * @description 初始化监听
       */
      listen ({ commit }) {
        return new Promise(resolve => {
          if (screenfull.enabled) {
            screenfull.on('change', () => {
              console.log('1')
              if (!screenfull.isFullscreen) {
                commit('set', false)
              }
            })
          }
          // end
          resolve()
        })
      },
      /**
       * @description 切换全屏
       */
      toggle ({ commit }) {
        return new Promise(resolve => {
          if (screenfull.isFullscreen) {
            screenfull.exit()
            commit('set', false)
          } else {
            screenfull.request()
            commit('set', true)
          }
          // end
          resolve()
        })
      }
    },
    mutations: {
      /**
       * @description 设置 store 里的全屏状态
       * @param {Object} state vuex state
       * @param {Boolean} active active
       */
      set (state, active) {
        state.active = active
      }
    }
  }
  