Add handling for no error callback

stac-utils · May 9, 2022 · 81b47d8 · 81b47d8
1 parent a08e9ba
commit 81b47d8
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/index.js b/src/index.js
@@ -82,13 +82,13 @@ async function addOverviewAssetForFeature (feature, layerGroup, crossOrigin, err
   if (isImageType(asset.type)) {
     const lyr = await imageOverlay(asset.href, [[feature.bbox[1], feature.bbox[0]], [feature.bbox[3], feature.bbox[2]]], crossOrigin);
     if (lyr === null) {
-      errorCallback()
+      if (errorCallback) errorCallback()
       return
     }
     layerGroup.addLayer(lyr)
     lyr.on('error', () => {
       layerGroup.removeLayer(lyr)
-      errorCallback()
+      if (errorCallback) errorCallback()
     })
   }
 }
@@ -98,13 +98,13 @@ async function addThumbnailAssetForFeature (feature, layerGroup, crossOrigin, er
   if (isImageType(asset.type)) { 
     const lyr = await imageOverlay(asset.href, [[feature.bbox[1], feature.bbox[0]], [feature.bbox[3], feature.bbox[2]]], crossOrigin);
     if (lyr === null) {
-      errorCallback()
+      if (errorCallback) errorCallback()
       return
     }
     layerGroup.addLayer(lyr)
     lyr.on('error', () => {
       layerGroup.removeLayer(lyr)
-      errorCallback()
+      if (errorCallback) errorCallback()
     })
   }
 }