feat(Empty): description prop support undefined/null value to remove description node

components/empty/__tests__/index.test.js

@@ -9,7 +9,7 @@ describe('Empty', () => {
   });
 
   it('description can be false', () => {
-    const wrapper = mount(<Empty description={false} />);
+    const wrapper = mount(<Empty description={undefined} />);
     expect(wrapper.find('.ant-empty-description').length).toBe(0);
   });
 });

components/empty/demo/description.md

@@ -16,5 +16,5 @@ Simplest Usage with no description.
 ```jsx
 import { Empty } from 'antd';
 
-ReactDOM.render(<Empty description={false} />, mountNode);
+ReactDOM.render(<Empty description={undefined} />, mountNode);
 ```

components/empty/index.en-US.md

@@ -22,7 +22,7 @@ Empty state placeholder.
 
 | Property | Description | Type | Default | Version |
 | --- | --- | --- | --- | --- |
-| description | Customize description | string \| ReactNode \| boolean | - | 3.12.0 |
+| description | Customize description | string \| ReactNode | - | 3.12.0 |
 | imageStyle | style of image | CSSProperties | - | 3.16.0 |
 | image | Customize image. Will tread as image url when string provided. | string \| ReactNode | `Empty.PRESENTED_IMAGE_DEFAULT` | 3.12.0 |
 

components/empty/index.tsx

@@ -18,7 +18,7 @@ export interface EmptyProps {
    */
   imageStyle?: React.CSSProperties;
   image?: React.ReactNode;
-  description?: React.ReactNode | boolean;
+  description?: React.ReactNode;
   children?: React.ReactNode;
 }
 
@@ -39,7 +39,7 @@ const OriginEmpty: React.SFC<EmptyProps> = (props: EmptyProps) => (
         <LocaleReceiver componentName="Empty">
           {(locale: TransferLocale) => {
             const prefixCls = getPrefixCls('empty', customizePrefixCls);
-            const des = typeof description === 'boolean' ? description : (description || locale.description);
+            const des = description == null ? description : (description || locale.description);
             const alt = typeof des === 'string' ? des : 'empty';
 
             let imageNode: React.ReactNode = null;

components/empty/index.zh-CN.md

@@ -23,7 +23,7 @@ cols: 1
 
 | 参数 | 说明 | 类型 | 默认值 | 版本 |
 | --- | --- | --- | --- | --- |
-| description | 自定义描述内容 | string \| ReactNode \| boolean | - | 3.12.0 |
+| description | 自定义描述内容 | string \| ReactNode | - | 3.12.0 |
 | imageStyle | 图片样式 | CSSProperties | - | 3.16.0 |
 | image | 设置显示图片，为 string 时表示自定义图片地址。 | string \| ReactNode | `Empty.PRESENTED_IMAGE_DEFAULT` | 3.12.0 |