feat:List add scrollToItem method

doric-js/lib/src/widget/list.d.ts

@@ -1,5 +1,6 @@
 import { View, Superview, NativeViewModel } from "../ui/view";
 import { Stack } from "./layouts";
+import { BridgeContext } from "../runtime/global";
 export declare class ListItem extends Stack {
     /**
      * Set to reuse native view
@@ -24,6 +25,8 @@ export declare class List extends Superview {
         x: number;
         y: number;
     }) => void;
+    scrolledPosition?: number;
+    scrollToItem(context: BridgeContext, pos: number, animated?: boolean): Promise<any>;
     reset(): void;
     private getItem;
     isDirty(): boolean;

doric-js/lib/src/widget/list.js

@@ -47,6 +47,9 @@ export class List extends Superview {
             return this.cachedViews.values();
         }
     }
+    scrollToItem(context, pos, animated) {
+        return this.nativeChannel(context, 'scrollToItem')({ pos, animated });
+    }
     reset() {
         this.cachedViews.clear();
         this.itemCount = 0;
@@ -111,6 +114,10 @@ __decorate([
     Property,
     __metadata("design:type", Function)
 ], List.prototype, "onScrollEnd", void 0);
+__decorate([
+    Property,
+    __metadata("design:type", Number)
+], List.prototype, "scrolledPosition", void 0);
 export function list(config) {
     const ret = new List;
     for (let key in config) {