From 48b271ce8e352d3bd3692b321a79d7f844fcbe9a Mon Sep 17 00:00:00 2001
From: Marwin Hochfelsner <50826859+hlfan@users.noreply.github.com>
Date: Wed, 15 Jul 2026 16:28:11 +0200
Subject: [PATCH] Add OSRM support for left uturn

---
 .../index_modules/directions/engines/fossgis_osrm.js     | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/index_modules/directions/engines/fossgis_osrm.js b/app/assets/javascripts/index_modules/directions/engines/fossgis_osrm.js
index a4eb5195f..0f8e60b43 100644
--- a/app/assets/javascripts/index_modules/directions/engines/fossgis_osrm.js
+++ b/app/assets/javascripts/index_modules/directions/engines/fossgis_osrm.js
@@ -24,7 +24,8 @@
         "turn slight right": "slight_right",
         "turn right": "turn_right",
         "turn sharp right": "sharp_right",
-        "turn uturn": "uturn",
+        "turn uturn from left": "uturn",
+        "turn uturn from right": "uturn",
         "turn sharp left": "sharp_left",
         "turn left": "turn_left",
         "turn slight left": "slight_left",
@@ -93,10 +94,11 @@
     }
 
     function _processDirections(leg) {
-      function getManeuverId({ maneuver: { type, modifier }, mode, intersections }) {
+      function getManeuverId({ maneuver: { type, modifier }, mode, intersections, driving_side }) {
         // special case handling
         if (mode === "ferry") return "ferry";
         if (intersections.some(i => i.classes?.includes("ferry"))) return "ferry";
+        if (modifier === "uturn") return "turn uturn from " + driving_side;
 
         switch (type) {
           case "on ramp":
@@ -137,7 +139,8 @@
         "turn slight right": "slight-right",
         "turn right": "right",
         "turn sharp right": "sharp-right",
-        "turn uturn": "u-turn-left",
+        "turn uturn from right": "u-turn-left",
+        "turn uturn from left": "u-turn-right",
         "turn slight left": "slight-left",
         "turn left": "left",
         "turn sharp left": "sharp-left",
-- 
2.47.3