Replace jquery's getJSON with fetch

[rails.git] / app / assets / javascripts / index / directions / fossgis_valhalla.js

diff --git a/app/assets/javascripts/index/directions/fossgis_valhalla.js b/app/assets/javascripts/index/directions/fossgis_valhalla.js
index bbccccb13d1d35ac514c534b7d4600e84908fdf8..11aa4470b4dfbf64d7204d3dd0aec78890e26168 100644 (file)
--- a/app/assets/javascripts/index/directions/fossgis_valhalla.js
+++ b/app/assets/javascripts/index/directions/fossgis_valhalla.js
@@ -1,5 +1,5 @@
 (function () {
-  function FOSSGISValhallaEngine(id, costing) {
+  function FOSSGISValhallaEngine(modeId, costing) {
     const INSTR_MAP = [
       0, // kNone = 0;
       8, // kStart = 1;
@@ -82,13 +82,14 @@
     }
 
     return {
-      id: id,
+      mode: modeId,
+      provider: "fossgis_valhalla",
       creditline:
       "<a href='https://gis-ops.com/global-open-valhalla-server-online/' target='_blank'>Valhalla (FOSSGIS)</a>",
       draggable: false,
 
-      getRoute: function (points, callback) {
-        const data = {
+      getRoute: function (points, signal) {
+        const query = new URLSearchParams({
           json: JSON.stringify({
             locations: points.map(function (p) {
               return { lat: p.lat, lon: p.lng, radius: 5 };
@@ -99,27 +100,18 @@
               language: I18n.currentLocale()
             }
           })
-        };
-        return $.ajax({
-          url: OSM.FOSSGIS_VALHALLA_URL,
-          data,
-          dataType: "json",
-          success: function ({ trip }) {
-            if (trip.status === 0) {
-              callback(false, _processDirections(trip.legs));
-            } else {
-              callback(true);
-            }
-          },
-          error: function () {
-            callback(true);
-          }
         });
+        return fetch(OSM.FOSSGIS_VALHALLA_URL + "?" + query, { signal })
+          .then(response => response.json())
+          .then(({ trip }) => {
+            if (trip.status !== 0) throw new Error();
+            return _processDirections(trip.legs);
+          });
       }
     };
   }
 
-  OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_car", "auto"), true);
-  OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_bicycle", "bicycle"), true);
-  OSM.Directions.addEngine(new FOSSGISValhallaEngine("fossgis_valhalla_foot", "pedestrian"), true);
+  OSM.Directions.addEngine(new FOSSGISValhallaEngine("car", "auto"), true);
+  OSM.Directions.addEngine(new FOSSGISValhallaEngine("bicycle", "bicycle"), true);
+  OSM.Directions.addEngine(new FOSSGISValhallaEngine("foot", "pedestrian"), true);
 }());