fix: missing emits

src-next/circle/index.js

@@ -61,6 +61,8 @@ export default createComponent({
     },
   },
 
+  emits: ['update:currentRate'],
+
   beforeCreate() {
     this.uid = `van-circle-gradient-${uid++}`;
   },

src-next/count-down/index.js

@@ -21,6 +21,8 @@ export default createComponent({
     },
   },
 
+  emits: ['change', 'finish'],
+
   data() {
     return {
       remain: 0,

src-next/sidebar-item/index.js

@@ -8,6 +8,8 @@ const [createComponent, bem] = createNamespace('sidebar-item');
 export default createComponent({
   mixins: [ChildrenMixin('vanSidebar')],
 
+  emits: ['click'],
+
   props: {
     ...routeProps,
     dot: Boolean,

src-next/sidebar/index.js

@@ -6,6 +6,8 @@ const [createComponent, bem] = createNamespace('sidebar');
 export default createComponent({
   mixins: [ParentMixin('vanSidebar')],
 
+  emits: ['change', 'update:modelValue'],
+
   props: {
     modelValue: {
       type: [Number, String],

src-next/slider/index.js

@@ -33,6 +33,8 @@ export default createComponent({
     },
   },
 
+  emits: ['change', 'drag-end', 'drag-start', 'update:modelValue'],
+
   data() {
     return {
       dragStatus: '',