window 在client / server 渲染访问环境混淆的Erorr

[carllx]

CMD:

(node:10336) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 20): ReferenceError: window is not defined

[carllx]

解决方案:
@evantahler 也遇到这个问题. 参考@arunoda next.js/issues/219#issuecomment-260090020
安装react-no-ssr

[carllx]

static html cannot use environment variable

[carllx]

componentWillMount. runs on the server and client

Do not use componentWillMount. It runs on the server too.
You need to do this on the client, so use componentDidMount to start the connection.
Then use componentWillUnmount to close the connection. @arunoda issues的回答