frame/store/setting/mutations.js

import _ from 'lodash';
export const setDefOpt = (state, payload) => {
  let res;

  if (payload) {
    sessionStorage.setItem('defaultOption', JSON.stringify(payload));
    state.defaultOption = payload;
    res = 'set';
  } else {
    let defaultOption = sessionStorage.getItem('defaultOption');
    if (defaultOption) state.defaultOption = JSON.parse(defaultOption);
    res = 'cache';
  }
  return res;
};
export const changeOpt = (state, payload) => {
  sessionStorage.setItem('defaultOption', JSON.stringify(payload));
  state.defaultOption = payload;
};

export const deleteDefOpt = (state, payload) => {
  state.defaultOption = {};
  sessionStorage.removeItem('defaultOption');
};