element-web/docs/icons.md
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Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
2024-12-02 09:39:36 +00:00

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# Icons
Icons are loaded using [@svgr/webpack](https://www.npmjs.com/package/@svgr/webpack).
This is configured in [element-web](https://github.com/vector-im/element-web/blob/develop/webpack.config.js#L458).
Each `.svg` exports a `ReactComponent` at the named export `Icon`.
Icons have `role="presentation"` and `aria-hidden` automatically applied. These can be overriden by passing props to the icon component.
SVG file recommendations:
- Colours should not be defined absolutely. Use `currentColor` instead.
- SVG files should be taken from the design compound as they are. Some icons contain special padding.
This means that there should be icons for each size, e.g. warning-16px and warning-32px.
Example usage:
```
import { Icon as FavoriteIcon } from 'res/img/element-icons/favorite.svg';
const MyComponent = () => {
return <>
<FavoriteIcon className="mx_Icon mx_Icon_16">
</>;
}
```
If possible, use the icon classes from [here](../res/css/compound/_Icon.pcss).
## Custom styling
Icon components are svg elements and may be custom styled as usual.
`_MyComponents.pcss`:
```css
.mx_MyComponent-icon {
height: 20px;
width: 20px;
* {
fill: $accent;
}
}
```
`MyComponent.tsx`:
```typescript
import { Icon as FavoriteIcon } from 'res/img/element-icons/favorite.svg';
const MyComponent = () => {
return <>
<FavoriteIcon className="mx_MyComponent-icon" role="img" aria-hidden="false">
</>;
}
```