fix(r5): workaround issue with segments being processed multiple times.

Author: mattwigway

lib/plan/r5-to-otp.js

@@ -90,12 +90,14 @@ function formatPortion (option, portion) {
 }
 
 function formatStreetEdge (streetEdge) {
-  const line = polyline.decode(streetEdge.geometryPolyline)
-  streetEdge.geometry = {
-    points: streetEdge.geometryPolyline,
-    length: line.length
+  if (streetEdge.geometry === undefined) {
+    const line = polyline.decode(streetEdge.geometryPolyline)
+    streetEdge.geometry = {
+      points: streetEdge.geometryPolyline,
+      length: line.length
+    }
+    delete streetEdge.geometryPolyline
+    streetEdge.distance = streetEdge.distance / 1000 // to meters
   }
-  delete streetEdge.geometryPolyline
-  streetEdge.distance = streetEdge.distance / 1000 // to meters
   return streetEdge
 }