docs/developer_docs/components/ui/loading.mdx
import { StoryWithControls } from '../../../src/components/StorybookWrapper';
The Loading component from Superset's UI library.
<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." } ]} />
Edit the code below to experiment with the component:
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>
);
}
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>
);
}
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>
);
}
| 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 { Loading } from '@superset/components';
:::tip[Improve this page] This documentation is auto-generated from the component's Storybook story. Help improve it by editing the story file. :::