Bug fix: the component is removed,But the event handler registered is…

[winnieBear]

fix bug: when the component is removed,But the event handler registered is still running.see Issue #13
Here is a demo: https://github.com/winnieBear/demo-show-react-webcomponentify-bug

[kopach]

Will this work also with Functional components (noting will break)? As well as components with React.memo?

[kopach]

Hi @winnieBear, thanks for your contribution. I've tested this in sandbox, and it works just fine.
Just for reference,

• here is example with defect reproducible: https://codesandbox.io/s/modest-architecture-jly5y?file=/package.json:763-801
• and here is an example with a fix: https://codesandbox.io/s/optimistic-butterfly-yn6ik?file=/package.json:763-855

[kopach]

@a7ul, feel free to release this. Thanks