Dispatch event to switch on ?tab=about tab when resultCount is 0 (#282)

* Dispatch event to switch on ?tab=about tab when resultCount is 0
internetarchive · Aug 10, 2023 · ec93253 · ec93253
1 parent 969f24f
commit ec93253
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/collection-browser.ts b/src/collection-browser.ts
@@ -1300,6 +1300,10 @@ export class CollectionBrowser
     );
   }
 
+  private emitEmptyResults() {
+    this.dispatchEvent(new Event('emptyResults'));
+  }
+
   private disconnectResizeObserver(
     resizeObserver: SharedResizeObserverInterface
   ) {
@@ -1980,6 +1984,11 @@ export class CollectionBrowser
 
     this.totalResults = success.response.totalResults - this.tileModelOffset;
 
+    // display event to offshoot when result count is zero.
+    if (this.totalResults === 0) {
+      this.emitEmptyResults();
+    }
+
     if (this.withinCollection) {
       this.collectionInfo = success.response.collectionExtraInfo;