How can I make React Portal work with React Hook?

Question

I have this specific need to listen to a custom event in the browser and from there, I have a button that will open a popup window. I\'m currently using React Portal to open

Answer 1

The issue is: a new div is created on every render, just create the div outside render function and it should work as expected,

const containerEl = document.createElement('div')
const PopupWindowWithHooks = props => {
   let externalWindow = null
   ... rest of your code ...

https://codesandbox.io/s/q9k8q903z6