Portal - undefined document in SSR

[kraus-milan]

Portal doesn't work correctly in server side rendering.

Expected Behavior

Portal checks, whether document / window exists. If not, it doesn't render anything.

Current Behavior

Error is thrown in SSR because of missing document:

Render error ReferenceError: document is not defined
    at new Portal (/home/milan/Projects/kiwi/frontend/node_modules/@kiwicom/orbit-components/lib/Portal/index.js:41:190)

Possible Solution

if (typeof window === "undefined") do nothing

Steps to Reproduce

Use Portal in component, that renders on server.

Context (Environment)

server side rendering