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title: Loading
sidebar_label: Loading
---
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import { StoryWithControls } from '../../../../src/components/StorybookWrapper';
# Loading
The Loading component from Superset's UI library.
## Live Example
<StoryWithControls
component="Loading"
props={{
size: 'm',
position: 'normal',
muted: false,
}}
controls={[
{
name: 'size',
label: 'Size',
type: 'select',
options: ['s', 'm', 'l'],
description: 'Size of the spinner: s (40px), m (70px), or l (100px).',
},
{
name: 'position',
label: 'Position',
type: 'select',
options: ['normal', 'floating', 'inline'],
description:
'Position style: normal (inline flow), floating (overlay), or inline.',
},
{
name: 'muted',
label: 'Muted',
type: 'boolean',
description: 'Whether to show a muted/subtle version of the spinner.',
},
]}
/>
## Try It
Edit the code below to experiment with the component:
```tsx live
function Demo() {
return (
<div>
{['normal', 'floating', 'inline'].map(position => (
<div
key={position}
style={{
marginBottom: 40,
padding: 20,
border: '1px solid #eee',
position: 'relative',
minHeight: 80,
}}
>
<h4 style={{ marginTop: 0 }}>{position}</h4>
<Loading position={position} size="m" />
</div>
))}
</div>
);
}
```
## Size and Opacity Showcase
```tsx live
function SizeShowcase() {
const sizes = ['s', 'm', 'l'];
return (
<div style={{ padding: 20 }}>
<div
style={{
display: 'grid',
gridTemplateColumns: 'repeat(4, 1fr)',
gap: 20,
alignItems: 'center',
}}
>
<div>
<strong>Size</strong>
</div>
<div>
<strong>Normal</strong>
</div>
<div>
<strong>Muted</strong>
</div>
<div>
<strong>Usage</strong>
</div>
{sizes.map(size => (
<React.Fragment key={size}>
<div style={{ fontWeight: 'bold' }}>
{size.toUpperCase()} (
{size === 's' ? '40px' : size === 'm' ? '70px' : '100px'})
</div>
<div
style={{
textAlign: 'center',
padding: 10,
border: '1px solid #eee',
}}
>
<Loading size={size} position="normal" />
</div>
<div
style={{
textAlign: 'center',
padding: 10,
border: '1px solid #eee',
}}
>
<Loading size={size} muted position="normal" />
</div>
<div style={{ fontSize: 12, color: '#666' }}>
{size === 's' && 'Filter bars, inline'}
{size === 'm' && 'Explore pages'}
{size === 'l' && 'Full page loading'}
</div>
</React.Fragment>
))}
</div>
</div>
);
}
```
## Contextual Examples
```tsx live
function ContextualDemo() {
return (
<div style={{ padding: 20 }}>
<h4>Filter Bar (size="s", muted)</h4>
<div
style={{
height: 40,
backgroundColor: '#f5f5f5',
display: 'flex',
alignItems: 'center',
padding: '0 10px',
gap: 10,
marginBottom: 30,
}}
>
<span>Filter 1:</span>
<Loading size="s" muted position="normal" />
<span>Filter 2:</span>
<Loading size="s" muted position="normal" />
</div>
<h4>Dashboard Grid (size="s", muted)</h4>
<div
style={{
display: 'grid',
gridTemplateColumns: 'repeat(3, 1fr)',
gap: 10,
marginBottom: 30,
}}
>
{[1, 2, 3].map(i => (
<div
key={i}
style={{
height: 100,
backgroundColor: '#fafafa',
border: '1px solid #ddd',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
}}
>
<Loading size="s" muted position="normal" />
</div>
))}
</div>
<h4>Main Loading (size="l")</h4>
<div
style={{
height: 200,
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
border: '2px dashed #ccc',
}}
>
<Loading size="l" position="normal" />
</div>
</div>
);
}
```
## Props
| Prop | Type | Default | Description |
| ---------- | --------- | ---------- | -------------------------------------------------------------------- |
| `size` | `string` | `"m"` | Size of the spinner: s (40px), m (70px), or l (100px). |
| `position` | `string` | `"normal"` | Position style: normal (inline flow), floating (overlay), or inline. |
| `muted` | `boolean` | `false` | Whether to show a muted/subtle version of the spinner. |
## Import
```tsx
import { Loading } from '@superset-ui/core/components';
```
---
:::tip[Improve this page]
This documentation is auto-generated from the component's Storybook story.
Help improve it by [editing the story file](https://github.com/apache/superset/edit/master/superset-frontend/packages/superset-ui-core/src/components/Loading/Loading.stories.tsx).
:::
|