gamecontroller.js/src/index.js

A JavaScript library that lets you handle, configure, and use gamepad and controllers on a browser, using the Gamepad API

// This file is the entry point
import { error, isGamepadSupported } from './tools';
import { MESSAGES } from './constants';
import gameControl from './gamecontrol';

if (isGamepadSupported()) {
  window.gameControl = gameControl;
} else {
  error(MESSAGES.NO_SUPPORT);
}