Invariant failed: You should not use outside a

Question

I use react-router-dom for routing in my React application. Part of my app extracted in another package. List of dependencies looks like this:

Answer 1

Use Router outside of your components. Wrap all components inside the Router then will able to use Link in your components.

import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';

<Router>
        <Appbar />
        <Switch>
          <Route exact path="/" component={Home} />
          <Route path="/mac" exact component={Mac} />
        </Switch>
       <Footer />
      </Router>

Answer 2

Trouble with 2 instance of React