To import eosjs
using ES module syntax the following code is provided.
import { Api, JsonRpc } from 'eosjs';
import { JsSignatureProvider } from 'eosjs/dist/eosjs-jssig'; // development only
const privateKeys = [privateKey1];
const signatureProvider = new JsSignatureProvider(privateKeys);
const rpc = new JsonRpc('http://127.0.0.1:8888'); //required to read blockchain state
const api = new Api({ rpc, signatureProvider }); //required to submit transactions