You can start by execute npm start

http://localhost:3000

You can use the leaflet with autocomplete in the src/LeafletGeocoder.js file

You can use the leaflet with routing in the src/LeafletRoutingMachine.js file

you can change the icon of marker by adding

let DefaultIcon = L.icon({ iconUrl: your iconPath, iconSize: [25, 41], iconAnchor: [10, 41], popupAnchor: [2, -40], });

L.Marker.prototype.options.icon = DefaultIcon;

npm i --save leaflet leaflet-control-geocoder leaflet-routing-machine

import "leaflet-control-geocoder/dist/Control.Geocoder.css";

import "leaflet-control-geocoder/dist/Control.Geocoder.js";