WebDriver JS Extender
This tools extends Selenium's javascript implementation of the WebDriver API to include additional commands (e.g. commands required for appium)).
You can view the full list of commands in lib/index.ts.
Usage
Use WebDriver JS Extender's extend function on your webdriver instance:
var extendedWebdriver = require('webdriver-js-extender').extend(webdriver);
extendedWebdriver.setNetworkConnection(5);