Check if metadata has sequences

vrchost · Apr 17, 2023 · b432acb · b432acb
1 parent cb19d24
commit b432acb
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/rooibos/presentation/static/presentation/viewer.js b/rooibos/presentation/static/presentation/viewer.js
@@ -533,13 +533,15 @@ var Viewer = function (options) {
             // if sequence items don't have metadata, copy manifest metadata
             // into each sequence item
             var metadata = manifest.jsonLd.metadata;
-            manifest.jsonLd.sequences.forEach(function (sequence) {
-                sequence.canvases.forEach(function (canvas) {
-                    if (!canvas.metadata || !canvas.metadata.length) {
-                        canvas.metadata = metadata;
-                    }
+            if (manifest.jsonLd.sequences) {
+                manifest.jsonLd.sequences.forEach(function (sequence) {
+                    sequence.canvases.forEach(function (canvas) {
+                        if (!canvas.metadata || !canvas.metadata.length) {
+                            canvas.metadata = metadata;
+                        }
+                    });
                 });
-            });
+            }
         }
     );