Empty: add empty component (#21080)

types/element-ui.d.ts

@@ -82,6 +82,7 @@ import { ElDrawer } from './drawer'
 import { ElPopconfirm } from './popconfirm'
 import { ElSkeleton } from './skeleton'
 import { ElSkeletonItem } from './skeleton-item'
+import { ElEmpty } from './empty'
 
 export interface InstallationOptions {
   locale: any,
@@ -352,3 +353,6 @@ export class Skeleton extends ElSkeleton {}
 
 /** Skeleton Item Component */
 export class SkeletonItem extends ElSkeletonItem {}
+
+/** Empty Component */
+export class Empty extends ElEmpty {}

types/empty.d.ts

@@ -0,0 +1,31 @@
+import { ElementUIComponent } from './component'
+import { VNode } from 'vue'
+
+interface ELEmptySlots {
+  /* default slot:  Custom bottom content */
+  default: VNode[]
+
+  /* image slot: Custom image */
+  image: VNode[]
+
+  /* description slot: Custom description */
+  description: VNode[]
+
+
+  [key: string]: VNode[]
+}
+
+/** Placeholder hints for empty states. */
+export declare class ElEmpty extends ElementUIComponent {
+  /* image URL */
+  image: string
+  	
+  /* image size (width) */
+  imageSize: number
+  
+  /* description */
+  description: string
+
+  $slots: ELEmptySlots
+
+}