fix(Area): fix change event emit wrong values (youzan#2290)

rex-zsd · web-flow · commit 8af68a0d7afb · 2019-11-12T19:56:02.000+08:00
fix youzan#2287
diff --git a/packages/area/index.ts b/packages/area/index.ts
@@ -108,12 +108,10 @@ VantComponent({
     onChange(event: Weapp.Event) {
       const { index, picker, value } = event.detail;
       this.code = value[index].code;
-      let getValues = picker.getValues();
-      getValues = this.parseOutputValues(getValues);
       this.setValues().then(() => {
         this.$emit('change', {
           picker,
-          values: getValues,
+          values: this.parseOutputValues(picker.getValues()),
           index
         });
       });
