Cannot read property 'prototype' of undefined when import useObserver

[Ridermansb]

When I import useObserver I'm getting this error:

I tried both way ...

import { useObserver } from "mobx-react-lite";

or

import { useObserver } from "mobx-react";

Full example here:
https://codesandbox.io/s/example-preact-mobx-state-tree-with-hooks-yk7o2

[danielkcz]

Um, based on error stack it's preact-compat library related issue, so please ask there.

I know there was some rumor, that mobx-preact is no longer needed and mobx-react should used instead, but I don't believe it's true ... mobxjs/mobx-preact#18

[lock]

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