From d9081d11c2b24676ddbf6049f5fd43cf9df3693d Mon Sep 17 00:00:00 2001
From: Pablo Brasero <pablo@pablobm.com>
Date: Wed, 27 May 2026 16:42:00 +0100
Subject: [PATCH] On edit, zoom in on the existing area

---
 app/assets/javascripts/moderation_zone.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/assets/javascripts/moderation_zone.js b/app/assets/javascripts/moderation_zone.js
index a1a4e76ec..e28e51695 100644
--- a/app/assets/javascripts/moderation_zone.js
+++ b/app/assets/javascripts/moderation_zone.js
@@ -77,6 +77,7 @@ $(function () {
     const feature = readFormField(COORDINATES_FIELD_ID);
     if (feature) {
       startTerraDrawForEdit(draw, feature);
+      map.fitBounds(featureToBox(feature), { radius: 100 });
     } else {
       startTerraDrawForNew(draw);
     }
@@ -142,4 +143,10 @@ $(function () {
     const target = document.getElementById(fieldId);
     target.value = `POLYGON((\n${coordinatesString}\n))`;
   }
+
+  function featureToBox(feature) {
+    const points = feature.geometry.coordinates[0];
+    const seed = new maplibregl.LngLatBounds(points[0], points[0]);
+    return points.reduce((bounds, point) => bounds.extend(point), seed);
+  }
 });
-- 
2.47.3