[improvement] entry file ts (#2802)

types/component.d.ts

@@ -1,4 +1,4 @@
-import Vue from 'vue'
+import Vue from 'vue';
 
 export class VanComponent {
   static name: string;

types/index.d.ts

@@ -8,7 +8,7 @@ import { Lazyload } from './lazyload';
 import { Waterfall } from './waterfall';
 import { ImagePreview } from './image-preview';
 
-export const version: string
+export const version: string;
 export function install (vue: typeof Vue): void
 export class Actionsheet extends VanComponent {}
 export class AddressEdit extends VanComponent {}
@@ -80,4 +80,4 @@ export {
   Lazyload,
   Waterfall,
   ImagePreview
-}
+};

types/waterfall.d.ts

@@ -1,4 +1,4 @@
-import Vue, { DirectiveFunction, PluginFunction } from 'vue';
+import { DirectiveFunction, PluginFunction } from 'vue';
 
 export interface Waterfall {
   (type: string): DirectiveFunction;