Support for server side rendering

[nishanBende]

We can use a flag named isSSR and use useEffect hook instead of useLayoutEffect.
https://gist.github.com/gaearon/e7d97cdf38a2907924ea12e4ebdf3c85

[sorensenjg]

I second this request! I would like to use this in nextjs.

[kevinkashou]

any update on this?

[nishanBende]

@Swizec I have updated the PR to use typeof window to determine SSR or CSR instead of adding a new flag.

[timohermans]

Any reason why this hasn't been merged yet?

[timohermans]

Also, I've added a comment to the above PR, as the code isn't entirely correct