skeleton 
Use gray to place the data being loaded.
Basic usage 
The skeleton screen component provides two components: <tu-skeleton-line> and <tu-skeleton-shape>, users can combine them according to their needs.
Shape Skeleton 
The graphic skeleton screen is divided into two shapes: square, circle, and provides three sizes of small, medium, and large.
Animation 
By setting the animation property, the skeleton screen can display the animation effect.
Skeleton API 
skeleton Props 
| Name | Description | Type | Default | 
|---|---|---|---|
| loading | Whether to display the skeleton screen (loading state) | Boolean | true | 
| animation | Whether to enable skeleton screen animation | Boolean | false | 
skeleton-line Props 
| Name | Description | Type | Default | 
|---|---|---|---|
| rows | Number of rows displayed | Number | 1 | 
| widths | The width of the line skeleton | Array | [] | 
| line-height | Line height of the line skeleton | Number | 20 | 
| line-spacing | Line spacing of line skeleton | Number | 15 | 
skeleton-shape Props 
| Name | Description | Type | Default | 
|---|---|---|---|
| shape | The shape of the shape skeleton | String | square | 
| size | The size of the shape skeleton | String | medium |