install_extension_in_chrome_dynamically.js

import webdriver from 'selenium-webdriver';
import { Driver, Options } from 'selenium-webdriver/chrome';

const CRX_PATH = // YOUR_LOCAL_CRX_PATH

const options = new Options();
options.addExtensions(CRX_PATH);

const driver = Driver.createSession(options);

// You can start work with driver now..