From a9c4291631186147df6c46253e0cd25edc6ef8f5 Mon Sep 17 00:00:00 2001
From: Benjamin Clark <clarkben@fb.com>
Date: Fri, 26 Jan 2024 11:37:59 -0500
Subject: [PATCH] Fix #1128 by reinstating the fb_ml_road_url param - purely
 for debug purposes.

---
 modules/services/MapWithAIService.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/services/MapWithAIService.js b/modules/services/MapWithAIService.js
index 53607976e1..8d0af155a9 100644
--- a/modules/services/MapWithAIService.js
+++ b/modules/services/MapWithAIService.js
@@ -2,6 +2,8 @@ import { Tiler } from '@rapid-sdk/math';
 
 import { AbstractSystem } from '../core/AbstractSystem';
 import { Graph, Tree } from '../core/lib';
+import { utilStringQs } from '@rapid-sdk/util';
+
 import { osmEntity, osmNode, osmWay } from '../osm';
 import { utilFetchResponse } from '../util';
 
@@ -260,7 +262,10 @@ export class MapWithAIService extends AbstractSystem {
       qs.crop_bbox = taskExtent.toParam();
     }
 
-    const url = APIROOT + '?' + mapwithaiQsString(qs, true);  // true = noencode
+    const customUrlRoot = utilStringQs(window.location.hash).fb_ml_road_url;
+
+    const urlRoot = customUrlRoot || APIROOT;
+    const url = urlRoot + '?' + mapwithaiQsString(qs, true);  // true = noencode
     return url;