title: react-leaflet get current latlng onClick
body: <p>I would be realy happy if some one could help me...
  I've installed react-leaflet on my react project and the map component is loaded successfully, i need to get current latlng and show it in the Popup when i click on map but I don't know how to :(</p>
  
  <p>please... please... help me...</p>
  
  <p>this is my code</p>
  
  <pre><code>import React from 'react'
  import { Map as LeafletMap, TileLayer, Marker, Popup } from 'react-leaflet';
  
  class Mapp extends React.Component {
      componentDidMount() {
  
      }
  
      render() {
          return (
              &lt;LeafletMap
                  center={[35.755229,51.304470]}
                  zoom={16}
                  maxZoom={20}
                  attributionControl={true}
                  zoomControl={true}
                  doubleClickZoom={true}
                  scrollWheelZoom={true}
                  dragging={true}
                  animate={true}
                  easeLinearity={0.35}
              &gt;
                  &lt;TileLayer
                      url='http://{s}.tile.osm.org/{z}/{x}/{y}.png'
                  /&gt;
                  &lt;Marker position={[35.755229,51.304470]}
                  draggable={true}
                  &gt;
                      &lt;Popup &gt;
                          Popup for any custom information.
                      &lt;/Popup&gt;
  
                  &lt;/Marker&gt;
              &lt;/LeafletMap&gt;
          );
      }
  }
  
  export default Mapp;
  </code></pre>