example

export default class BasePage {

   static clearDbBeforeTests(){
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').catalogs.drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').headers.drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').items.drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\')[\'parent-catalogs\'].drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\')[\'parent-screens\'].drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').queries.drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').rows.drop()');
      cy.exec( 'docker exec -i mongo mongo -u mcadmin -p mcadmin  --eval db.getSiblingDB(\'local\').screens.drop()');

      cy.debug();
   }
   static loginBeforeTest(page="/"){
      const token = localStorage.getItem('kc_token');
      cy.visit(page);
      if(!token)
         cy.login()
   }
}


----------------------------------------
import BasePage from "./BasePage";

export default class ScreensPage extends BasePage{
    constructor(){
        super()
}

}

------------------------------------------
import  ScreensPage  from"../pages/ScreensPage";

describe("should test screens",()=>{
   before(() => {
    ScreensPage.clearDbBeforeTests();
    ScreensPage.loginBeforeTest();
    })
   it("should try login",()=>{
      cy.visit("/")

   })
})

----------------
export const x =>2+2;
export const y =>3+1;
export default z =>3+5;

--------------
import {x,y},z from "./"

--------------------------
const person = {age:27, name:Tina};
const withDestrcut = ({age,name})=> console.log(`${age} ${name}`)
--------------------
const { state: { breadcrumbPaths, loaded, hasItem }, props: { alert, editFormChanged, contentLanguages, data: { banner }, intl: { formatMessage } } } = this;