wxxyx-sdk/model/IpInfoModel.js

import base from './base.js'

class IpInfoModel extends base{
    constructor(config) {
        super();
        this.storageKey = 'ip';
        this.defaultInfo = {
            'ipv4': '',
            'ipv6': '',
        }
        this.load(config)
    }

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

export default IpInfoModel;