Merge branch 'dev' into next

types/collapse-item.d.ts

@@ -0,0 +1,5 @@
+import { VanComponent } from './component';
+
+export class CollapseItem extends VanComponent {
+  toggle(expanded?: boolean): void;
+}

types/index.d.ts

@@ -6,6 +6,7 @@ import { Area } from './area';
 import { Calendar } from './calendar';
 import { Checkbox } from './checkbox';
 import { CheckboxGroup } from './checkbox-group';
+import { CollapseItem } from './collapse-item';
 import { CountDown } from './count-down';
 import { DatetimePicker } from './datetime-picker';
 import { Dialog } from './dialog';
@@ -38,7 +39,6 @@ export class CellGroup extends VanComponent {}
 export class Circle extends VanComponent {}
 export class Col extends VanComponent {}
 export class Collapse extends VanComponent {}
-export class CollapseItem extends VanComponent {}
 export class ContactCard extends VanComponent {}
 export class ContactEdit extends VanComponent {}
 export class ContactList extends VanComponent {}
@@ -98,6 +98,7 @@ export {
   Calendar,
   Checkbox,
   CheckboxGroup,
+  CollapseItem,
   CountDown,
   DatetimePicker,
   Dialog,

types/swipe.d.ts

@@ -5,6 +5,10 @@ export type SwipeToOptions = {
 };
 
 export class Swipe extends VanComponent {
+  prev(): void;
+
+  next(): void;
+
   swipeTo(index: number, options?: SwipeToOptions): void;
 
   resize(): void;