import not working after installing npm package in React

[pavankumar1792]

Installed messenger-hubspot package and import not working in react.
Any react specific sample implementation or docs would be helpful.

node_1 | [2] [dev:server] /usr/src/app/tmp/webpack://messenger-hubspot/build/js/messenger.js:22
node_1 | [2] })();
node_1 | [2] ^
node_1 | [2] ReferenceError: window is not defined
node_1 | [2] at /usr/src/app/tmp/webpack://messenger-hubspot/build/js/messenger.js:10:1
node_1 | [2] at Object.exports.__esModule (/usr/src/app/tmp/webpack:/~/messenger-hubspot/build/js/messenger.js:22:2)
node_1 | [2] at webpack_require (/usr/src/app/tmp/webpack:/webpack/bootstrap 36d1633f01919608117f:19:1)
node_1 | [2] at Object._prevMessenger (/usr/src/app/tmp/webpack:/src/routes/BlackList.js:28:1)
node_1 | [2] at webpack_require (/usr/src/app/tmp/webpack:/webpack/bootstrap 36d1633f01919608117f:19:1)
node_1 | [2] at Object. (/usr/src/app/tmp/webpack:/src/app/routes.js:37:1)
node_1 | [2] at webpack_require (/usr/src/app/tmp/webpack:/webpack/bootstrap 36d1633f01919608117f:19:1)
node_1 | [2] at Object. (/usr/src/app/tmp/webpack:/server.babel.js:9:1)
node_1 | [2] at webpack_require (/usr/src/app/tmp/webpack:/webpack/bootstrap 36d1633f01919608117f:19:1)
node_1 | [2] at Object. (/usr/src/app/tmp/bundle.js:50:19)
node_1 | [2] [dev:server] [nodemon] app crashed - waiting for file changes before starting...