fix(Swipe): active may outrange when initialize (#8061)

src/image-preview/ImagePreview.js

@@ -81,12 +81,10 @@ export default createComponent({
 
     const resize = () => {
       if (swipeRef.value) {
-        const { startPosition } = props;
-        swipeRef.value.state.active = +startPosition;
-        swipeRef.value.resize();
         const rect = swipeRef.value.$el.getBoundingClientRect();
         state.rootWidth = rect.width;
         state.rootHeight = rect.height;
+        swipeRef.value.resize();
       }
     };
 

src/swipe/index.js

@@ -244,6 +244,8 @@ export default createComponent({
 
       const rect = useRect(root);
 
+      active = Math.min(children.length - 1, active);
+
       state.rect = rect;
       state.swiping = true;
       state.active = active;
@@ -381,8 +383,7 @@ export default createComponent({
     watch(
       () => children.length,
       () => {
-        const active = Math.min(children.length - 1, state.active);
-        initialize(active);
+        initialize(state.active);
       }
     );