From c8a2b8bb47b29ad89bee7552757e89498b9ae803 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20B=C3=B6sch-Plepelits?= <skunk@xover.mud.at>
Date: Sat, 20 Aug 2022 16:51:39 +0100
Subject: [PATCH] CustomCategory: when testing, execute templates to see if
 they validate

---
 src/customCategory.js | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/customCategory.js b/src/customCategory.js
index 6238cb7e..8c99699c 100644
--- a/src/customCategory.js
+++ b/src/customCategory.js
@@ -418,8 +418,30 @@ function customCategoryTestCompile (data) {
     return
   }
 
+  let template
   try {
-    OverpassLayer.twig.twig({ data })
+    template = OverpassLayer.twig.twig({ data })
+  }
+  catch (e) {
+    return e
+  }
+
+  const fakeOb = {
+    id: 'n1',
+    sublayer_id: 'main',
+    osm_id: 1,
+    type: 'node',
+    tags: {
+      foo: 'bar'
+    },
+    map: {
+      zoom: 15,
+      metersPerPixel: 0.8
+    }
+  }
+
+  try {
+    template.render(fakeOb)
   }
   catch (e) {
     return e