# MapGeoJSON

Render host-supplied GeoJSON data as map layers.

## Public import

```svelte
<script lang="ts">
  import { MapGeoJSON } from "rom-ui/maps";
  import "rom-studio/styles";
</script>
```

## Composition and responsibility

The host supplies data, callbacks and application policy. The component does not provide persistence or authorization.

Public names: `MapGeoJSON`.

## Source and version

ROM UI **0.1.0-alpha.7**. [Component source](https://github.com/pmikstacki/rom-ui/blob/v0.1.0-alpha.7/src/lib/maps/MapGeoJSON.svelte).

Install the optional `maplibre-gl` peer and its styles. Provider contracts and attribution remain host responsibilities.

See [the composition guide](/docs/studio-compositions/) for host integration boundaries.