Bugfix #539 Only emit pageChage on actual change

VadimDez · Dec 13, 2019 · b6e2531 · b6e2531
1 parent 5c5c466
commit b6e2531
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/app/pdf-viewer/pdf-viewer.component.ts b/src/app/pdf-viewer/pdf-viewer.component.ts
@@ -114,16 +114,19 @@ export class PdfViewerComponent
     this._cMapsUrl = cMapsUrl;
   }
 
-  @Input('page')
+ @Input('page')
   set page(_page) {
     _page = parseInt(_page, 10) || 1;
+    const orginalPage = _page;
 
     if (this._pdf) {
       _page = this.getValidPageNumber(_page);
     }
 
     this._page = _page;
-    this.pageChange.emit(_page);
+    if (orginalPage !== _page) {
+      this.pageChange.emit(_page);
+    }
   }
 
   @Input('render-text')