From 7427a9cb9bd406877f24a1c95c366c9728298f64 Mon Sep 17 00:00:00 2001
From: pietervdvn <pietervdvn@posteo.net>
Date: Mon, 17 May 2021 00:31:10 +0200
Subject: [PATCH] Robuster handling of allKnownLayers

---
 Customizations/AllKnownLayers.ts    | 18 +++++++++++-------
 Customizations/JSON/SourceConfig.ts |  2 +-
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/Customizations/AllKnownLayers.ts b/Customizations/AllKnownLayers.ts
index 2c97f7513..87fe98b17 100644
--- a/Customizations/AllKnownLayers.ts
+++ b/Customizations/AllKnownLayers.ts
@@ -22,18 +22,22 @@ export default class AllKnownLayers {
                 }
             }
         }
-        
-        for(const layout of known_layers.themes){
+
+        for (const layout of known_layers.themes) {
             for (const layer of layout.layers) {
-                if(typeof layer === "string"){
+                if (typeof layer === "string") {
                     continue;
                 }
-                const parsed = new LayerConfig(layer, "shared_layer_in_theme")
-                sharedLayers.set(layer.id, parsed);
-                sharedLayers[layer.id] = parsed;
+                try {
+                    const parsed = new LayerConfig(layer, "shared_layer_in_theme")
+                    sharedLayers.set(layer.id, parsed);
+                    sharedLayers[layer.id] = parsed;
+                } catch (e) {
+                    console.error("Could not parse a layer in theme ", layout.id, "due to", e)
+                }
             }
         }
-        
+
         return sharedLayers;
     }
 
diff --git a/Customizations/JSON/SourceConfig.ts b/Customizations/JSON/SourceConfig.ts
index e033d92c2..2ed8fc40d 100644
--- a/Customizations/JSON/SourceConfig.ts
+++ b/Customizations/JSON/SourceConfig.ts
@@ -27,7 +27,7 @@ export default class SourceConfig {
             defined++;
         }
         if (defined == 0) {
-            throw "Source: nothing correct defined in the source"
+            throw `Source: nothing correct defined in the source (in ${context}) (the params are ${JSON.stringify(params)})`
         }
         if(params.isOsmCache && params.geojsonSource == undefined){
             console.error(params)