fix: don’t draw points on drag

Author: miles-grant-ibigroup

lib/editor/components/map/EditorMap.js

@@ -3,6 +3,7 @@
 import React, {Component} from 'react'
 import {Map, ZoomControl, FeatureGroup, GeoJSON} from 'react-leaflet'
 import {shallowEqual} from 'react-pure-render'
+import L from 'leaflet'
 
 import * as activeActions from '../../actions/active'
 import * as editorActions from '../../actions/editor'
@@ -121,6 +122,15 @@ export default class EditorMap extends Component<Props, State> {
   componentDidMount () {
     window.addEventListener('resize', this._onResize)
     this.setState({willMount: false})
+
+    // From https://github.com/Leaflet/Leaflet.draw/issues/695#issuecomment-281663243
+    // Prevents creating a new leaflet draw point on drag
+    var originalOnTouch = L.Draw.Polyline.prototype._onTouch;
+  	L.Draw.Polyline.prototype._onTouch = function (e) {
+      if (e.originalEvent.pointerType != "mouse") {
+        return originalOnTouch.call(this, e);
+      }
+   };
   }
 
   componentWillUnmount () {