TS4025

error TS4025: Exported variable ‘App‘ has or is using private name ‘FC‘.

Broken Code ❌

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import React from 'react';

const App: FC = (): JSX.Element => {
  return <></>;
};

Fixed Code ✔️

When using an external type (like FC) you also have to make sure that it is imported:

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import React, {FC} from 'react';

const App: FC = (): JSX.Element => {
  return <></>;
};