React component build on top of React-Leaflet that integrate leaflet.shapefile functionality.
npm install react-leaflet-shapefile
Add some 'react-leaflet' so you can have a map. Then add
import { Map, TileLayer, FeatureGroup } from 'react-leaflet';
import { ShapeFile } from "react-leaflet-shapefile"
...
<ShapeFile data={this.somedata} onEachFeature={this.onEachFeature} isArrayBufer={true}/>
For more details on how to use this plugin check the example.