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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).
:::
|