feat: dd aria-* to Spin

Author: tangjinzhou

components/spin/Spin.tsx

@@ -139,7 +139,13 @@ export default defineComponent({
     };
 
     const spinElement = (
-      <div {...divProps} style={style} class={spinClassName}>
+      <div
+        {...divProps}
+        style={style}
+        class={spinClassName}
+        aria-live="polite"
+        aria-busy={sSpinning}
+      >
         {this.renderIndicator(prefixCls)}
         {tip ? <div class={`${prefixCls}-text`}>{tip}</div> : null}
       </div>

components/spin/index.en-US.md

@@ -18,7 +18,7 @@ When part of the page is waiting for asynchronous data or during a rendering pro
 | delay | specifies a delay in milliseconds for loading state (prevent flush) | number (milliseconds) | - |  |
 | indicator | vue node of the spinning indicator | vNode \|slot | - |  |
 | size | size of Spin, options: `small`, `default` and `large` | string | `default` |  |
-| spinning | whether Spin is spinning | boolean | true |  |
+| spinning | whether Spin is visible | boolean | true |  |
 | tip | customize description content when Spin has children | string \| slot | - | slot 3.0 |
 | wrapperClassName | className of wrapper when Spin has children | string | - |  |
 

components/spin/style/index.less

@@ -162,7 +162,7 @@
     }
 
     &-spin {
-      transform: rotate(45deg);
+      transform: rotate(0deg);
       animation: antRotate 1.2s infinite linear;
     }
   }
@@ -211,7 +211,7 @@
 
 @keyframes antRotate {
   to {
-    transform: rotate(405deg);
+    transform: rotate(360deg);
   }
 }