how to leftlet map in React js app code example

Example 1: react map example leaflets

import React from 'react'import { Map as LeafletMap, TileLayer, Marker, Popup } from 'react-leaflet';class Map extends React.Component {  render() {    return (      <LeafletMap        center={[50, 10]}        zoom={6}        maxZoom={10}        attributionControl={true}        zoomControl={true}        doubleClickZoom={true}        scrollWheelZoom={true}        dragging={true}        animate={true}        easeLinearity={0.35}      >        <TileLayer          url='http://{s}.tile.osm.org/{z}/{x}/{y}.png'        />        <Marker position={[50, 10]}>          <Popup>            Popup for any custom information.          </Popup>        </Marker>      </LeafletMap>    );  }}export default Map

Example 2: react map example leaflets

<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.1/leaflet.css">