dist and time

finishing route

src/utils/simplify.js

@@ -0,0 +1,21 @@
+import L from 'leaflet';
+
+export const simplify = ({ map, latlngs }) => {
+  const points = [];
+  const target = [];
+  const zoom = 12;
+  const mul = 0.7; // 0 - not simplifying, 1 - very rude.
+  // its better to estimate mul value by route length
+
+  for (let i = 0; i < latlngs.length; i += 1) {
+    points.push(map.project({ lat: latlngs[i].lat, lng: latlngs[i].lng }, zoom));
+  }
+
+  const simplified = L.LineUtil.simplify(points, mul);
+
+  for (let i = 0; i < simplified.length; i += 1) {
+    target.push(map.unproject(simplified[i], zoom));
+  }
+
+  return target;
+};