Use optional chaining when extracting values

arkalab · Jan 31, 2024 · 0d87357 · 0d87357
1 parent 2507c9c
commit 0d87357
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Showing 2 changed files with 2 additions and 3 deletions.
diff --git a/src/plugin.js b/src/plugin.js
@@ -260,7 +260,7 @@ class TropiiifyPlugin {
 
 
 TropiiifyPlugin.defaults = {
-  itemTemplate: 'Tropy Generic',
+  itemTemplate: 'https://tropy.org/v1/templates/generic',
   collectionName: 'My IIIF Collection',
   homepageLabel: 'Object homepage',
   requiredStatementLabel: 'Attribution',

diff --git a/src/resource.js b/src/resource.js
@@ -39,15 +39,14 @@ class Resource {
         y: this.extractValue(selection, tropy('y')),
         width: this.extractValue(selection, tropy('width')),
         height: this.extractValue(selection, tropy('height')),
-
       }))
     }))
 
     console.log('Constructed object:', this)
   }
 
   extractValue(data, property) {
-    return data[property]?.[0]['@value'] || data[property]?.[0]['@list'];
+    return data?.[property]?.[0]?.['@value'] || data?.[property]?.[0]?.['@list'];
   }
 
   assembleHTML(property) {