ReferenceError: self is not defined

[A2DNEW]

Hi I get error for below code:

import { Connex } from '@vechain/connex';
new Connex({
      node: 'https://mainnet.veblocks.net',
      network: "main",
    });

Error:

ReferenceError: self is not defined
    at Object.<anonymous> (/xxx/node_modules/@vechain/connex/dist/webpack:/@vechain/connex/webpack/universalModuleDefinition:10:2)

How can I fix it?