chore: optional chaining (#8283)

2021-03-05 11:05:27 +08:00
parent 391ccd4240
commit 09e1eb5a0d
7 changed files with 24 additions and 47 deletions
@@ -29,7 +29,7 @@ import ImagePreviewItem from './ImagePreviewItem';

 const [createComponent, bem] = createNamespace('image-preview');

-export type ImagePreviewScaleEventParams = {
+export type ScaleEventParams = {
  scale: number;
  index: number;
 };
@@ -110,8 +110,7 @@ export default createComponent({
      }
    };

-    const emitScale = (args: ImagePreviewScaleEventParams) =>
-      emit('scale', args);
+    const emitScale = (args: ScaleEventParams) => emit('scale', args);

    const updateShow = (show: boolean) => emit('update:show', show);

@@ -191,11 +190,8 @@ export default createComponent({

    const onClosed = () => emit('closed');

-    const swipeTo = (index: number, options?: SwipeToOptions) => {
-      if (swipeRef.value) {
-        swipeRef.value.swipeTo(index, options);
-      }
-    };
+    const swipeTo = (index: number, options?: SwipeToOptions) =>
+      swipeRef.value?.swipeTo(index, options);

    useExpose({ swipeTo });

@@ -205,9 +201,7 @@ export default createComponent({

    watch(
      () => props.startPosition,
-      (value) => {
-        setActive(+value);
-      }
+      (value) => setActive(+value)
    );

    watch(