MapLibre GL Basemaps Control

> The core interactions and styling of this control is based on Leaflet.Basemaps

A Maplibre GL Control for switching between basemaps. The control only supports raster sources.

Demo

Installation

``bash
npm install maplibre-gl-basemaps
`

Usage

`{js}
import BasemapsControl from 'maplibre-gl-basemaps';
import 'maplibre-gl-basemaps/lib/basemaps.css';

map.addControl(new BasemapsControl(options));
`

To run the examples locally, install the dependencies and run npm run examples.
Access the examples at localhost:8080`.

Options

#### Control options

| Attribute | Description | Default value |
|-----------------|------------------------------------------------------------------------------------|---------------|
| basemaps | An array of basemap objects (see the table below for attributes of basemap object) | - |
| initialBasemap | Id of the basemap to set to active on initialization | - |
| expandDirection | The direction that the control expand on hover | right |

#### Basemap object

| Attribute | Description |
|-------------------|------------------------------------------------------------------------------------------------------------------------------------------|
| id | The string to use for both the basemap source and layer |
| tiles | An array of one or more tile source URLs, as in the TileJSON spec (https://maplibre.org/maplibre-style-spec/sources/#raster) |
| sourceExtraParams | Other parameters accepted by MapLibre GL raster source to pass to the basemap (https://maplibre.org/maplibre-style-spec/sources/#raster) |
| layerExtraParams | Other parameters accepted by MapLibre GL raster layer to pass to the basemap (https://maplibre.org/maplibre-style-spec/sources/#raster) |