Put logic into VM

src/domain/session/room/timeline/tiles/GapTile.js

@@ -143,6 +143,18 @@ export class GapTile extends SimpleTile {
         }
         return null;
     }
+
+    get currentAction() {
+        if (this.error) {
+            return this.error;
+        }
+        else if (this.isLoading) {
+            return "Loading";
+        }
+        else {
+            return "Not Loading";
+        }
+    }
 }
 
 import {FragmentBoundaryEntry} from "../../../../../matrix/room/timeline/entries/FragmentBoundaryEntry.js";

src/platform/web/ui/session/room/timeline/GapView.js

@@ -31,17 +31,7 @@ export class GapView extends TemplateView {
         };
         return t.li({ className }, [
             t.if(vm => vm.showSpinner, (t) => spinner(t)),
-            t.span(vm => {
+            t.span(vm => vm.currentAction)
-                if (vm.error) {
-                    return vm.error;
-                }
-                else if (vm.isLoading) {
-                    return "Loading";
-                }
-                else {
-                    return "Not Loading";
-                }
-            })
         ]);
     }