import React from 'react';
import { Map, TileLayer } from 'react-leaflet';
import GeoJsonCluster from 'react-leaflet-geojson-cluster';
 
const map = <Map id="map" center={[30.25, -97.75]} zoom={13}>
  <TileLayer
    url='https://{s}.tiles.mapbox.com/v3/{id}/{z}/{x}/{y}.png'
    attribution='&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
    />
  <GeoJsonCluster data={your_geojson} />
</Map>;
 
React.render(map, document.getElementById('map-container'));