js: add navbar set center api

doric-js/bundle/doric-vm.js

@@ -2879,7 +2879,8 @@ class List extends Superview {
         }
     }
     scrollToItem(context, index, config) {
-        const animated = config === null || config === void 0 ? void 0 : config.animated;
+        var _a;
+        const animated = (_a = config) === null || _a === void 0 ? void 0 : _a.animated;
         return this.nativeChannel(context, 'scrollToItem')({ index, animated, });
     }
     reset() {
@@ -3628,7 +3629,14 @@ function navbar(context) {
                 panel.addHeadView("navbar_right", view);
             }
             return context.callNative('navbar', 'setRight', view.toModel());
-        }
+        },
+        setCenter: (view) => {
+            if (panel) {
+                panel.clearHeadViews("navbar_center");
+                panel.addHeadView("navbar_center", view);
+            }
+            return context.callNative('navbar', 'setCenter', view.toModel());
+        },
     };
 }