fix: updata upload/steps and test

examples/docs/zh-CN/steps.md

@@ -18,11 +18,11 @@
 </template>
 
 <script>
-import { ref } from "vue"
+import { ref } from 'vue';
 export default {
   setup(){
-    const active = ref(0)
-    function next(){
+    const active = ref(0);
+    const next = () => {
       if (active.value++ > 2) {
         active.value = 0
       }

types/element3.d.ts

@@ -44,6 +44,8 @@ export { useMessage } from './message'
 export { useNotify } from './notification'
 export { useLoading } from './loading'
 export { useMsgbox } from './message-box'
+export { ElSteps } from './steps'
+export { ElUpload } from './upload'
 
 import { ElCollapse } from './collapse'
 import { ElCollapseItem } from './collapse-item'
@@ -67,7 +69,7 @@ import { ElOptionGroup } from './option-group'
 import { ElPopover } from './popover'
 
 import { ElStep } from './step'
-import { ElSteps } from './steps'
+
 import { ElSubmenu } from './submenu'
 import { ElTable } from './table'
 import { ElTableColumn } from './table-column'
@@ -80,7 +82,6 @@ import { ElTimeSelect } from './time-select'
 import { ElTooltip } from './tooltip'
 import { ElTransfer } from './transfer'
 import { ElTree, TreeData } from './tree'
-import { ElUpload } from './upload'
 import { ElDivider } from './divider'
 import { ElIcon } from './icon'
 import { ElCalendar } from './calendar'
@@ -185,9 +186,6 @@ export class Slider extends ElSlider {}
 /** Step Component */
 export class Step extends ElStep {}
 
-/** Steps Component */
-export class Steps extends ElSteps {}
-
 /** Submenu Component */
 export class Submenu extends ElSubmenu {}
 
@@ -224,9 +222,6 @@ export class Transfer extends ElTransfer {}
 /** Tree Component */
 export class Tree<K = any, D = TreeData> extends ElTree<K, D> {}
 
-/** Upload Component */
-export class Upload extends ElUpload {}
-
 /** Divider Component */
 export class Divider extends ElDivider {}
 

types/steps.d.ts

@@ -1,10 +1,10 @@
 import { ElementUIComponent } from './component'
-import { StepStatus } from './step'
+import { ElStep, StepStatus } from './step'
 
 export type StepsDirection = 'vertical' | 'horizontal'
-
+export const ElSteps:ISteps
 /** Guide the user to complete tasks in accordance with the process. Its steps can be set according to the actual application scenario and the number of the steps can't be less than 2. */
-export declare class ElSteps extends ElementUIComponent {
+interface ISteps extends ElementUIComponent {
   /** The spacing of each step, will be responsive if omitted. Support percentage. */
   space: number | string
 

types/upload.d.ts

@@ -38,9 +38,9 @@ export interface HttpRequestOptions {
   onSuccess: (response: any) => void,
   onError: (err: ErrorEvent) => void
 }
-
+export const ElUpload : IUpload;
 /** Upload Component */
-export declare class ElUpload extends ElementUIComponent {
+interface IUpload extends ElementUIComponent {
   /** Request URL (required) */
   action: string