text: 
  class Config {
      default = {
          env: process.env.NODE_ENV,
          api: {
              core: 'http://localhost:5000',
  
              token: '',
          },
      };
  
      get config() {
          const core = process.env.REACT_APP_API_CORE || this.default.api.core;
  
          return {
              dev: core.indexOf('test.') > -1 || core.indexOf('localhost') > -1,
              api: {
                  core: process.env.REACT_APP_API_CORE || this.default.api.core,
                  token: this.default.token,
              },
          }
      }
  }
  
  export default new Config();
  
  