react-router scroll to top on every transition

but classes are so 2018

ScrollToTop implementation with React Hooks

ScrollToTop.js

import { useEffect } from 'react';
import { withRouter } from 'react-router-dom';

function ScrollToTop({ history }) {
  useEffect(() => {
    const unlisten = history.listen(() => {
      window.scrollTo(0, 0);
    });
    return () => {
      unlisten();
    }
  }, []);

  return (null);
}

export default withRouter(ScrollToTop);

Usage:

<Router>
  <Fragment>
    <ScrollToTop />
    <Switch>
        <Route path="https://stackoverflow.com/" exact component={Home} />
    </Switch>
  </Fragment>
</Router>

ScrollToTop can also be implemented as a wrapper component:

ScrollToTop.js

import React, { useEffect, Fragment } from 'react';
import { withRouter } from 'react-router-dom';

function ScrollToTop({ history, children }) {
  useEffect(() => {
    const unlisten = history.listen(() => {
      window.scrollTo(0, 0);
    });
    return () => {
      unlisten();
    }
  }, []);

  return <Fragment>{children}</Fragment>;
}

export default withRouter(ScrollToTop);

Usage:

<Router>
  <ScrollToTop>
    <Switch>
        <Route path="https://stackoverflow.com/" exact component={Home} />
    </Switch>
  </ScrollToTop>
</Router>

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