DefinitelyTyped/types/geojson/index.d.ts

// Type definitions for GeoJSON Format Specification Revision 1.0
// Project: http://geojson.org/
// Definitions by: Jacob Bruun <https://github.com/cobster>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

export as namespace GeoJSON;

/***
* http://geojson.org/geojson-spec.html#geojson-objects
*/
export interface GeoJsonObject {
    type: string;
    bbox?: number[];
    crs?: CoordinateReferenceSystem;
}

/***
* http://geojson.org/geojson-spec.html#positions
*/
export type Position = number[];

/***
* http://geojson.org/geojson-spec.html#geometry-objects
*/
export interface DirectGeometryObject extends GeoJsonObject {
    coordinates: Position[][][] | Position[][] | Position[] | Position;
}
/**
 * GeometryObject supports geometry collection as well
 */
export type GeometryObject = DirectGeometryObject | GeometryCollection;

/***
* http://geojson.org/geojson-spec.html#point
*/
export interface Point extends DirectGeometryObject {
    type: 'Point';
    coordinates: Position;
}

/***
* http://geojson.org/geojson-spec.html#multipoint
*/
export interface MultiPoint extends DirectGeometryObject {
    type: 'MultiPoint';
    coordinates: Position[];
}

/***
* http://geojson.org/geojson-spec.html#linestring
*/
export interface LineString extends DirectGeometryObject {
    type: 'LineString';
    coordinates: Position[];
}

/***
* http://geojson.org/geojson-spec.html#multilinestring
*/
export interface MultiLineString extends DirectGeometryObject {
    type: 'MultiLineString';
    coordinates: Position[][];
}

/***
* http://geojson.org/geojson-spec.html#polygon
*/
export interface Polygon extends DirectGeometryObject {
    type: 'Polygon';
    coordinates: Position[][];
}

/***
* http://geojson.org/geojson-spec.html#multipolygon
*/
export interface MultiPolygon extends DirectGeometryObject {
    type: 'MultiPolygon';
    coordinates: Position[][][];
}

/***
* http://geojson.org/geojson-spec.html#geometry-collection
*/
export interface GeometryCollection extends GeoJsonObject {
    type: 'GeometryCollection';
    geometries: GeometryObject[];
}

/***
* https://tools.ietf.org/html/rfc7946#section-3.2
*/
export interface Feature<T extends GeometryObject> extends GeoJsonObject {
    type: 'Feature';
    geometry: T;
    properties: any;
    id?: string | number;
}

/***
* http://geojson.org/geojson-spec.html#feature-collection-objects
*/
export interface FeatureCollection<T extends GeometryObject> extends GeoJsonObject {
    type: 'FeatureCollection';
    features: Array<Feature<T>>;
}

/***
* http://geojson.org/geojson-spec.html#coordinate-reference-system-objects
*/
export interface CoordinateReferenceSystem {
    type: string;
    properties: any;
}

export interface NamedCoordinateReferenceSystem extends CoordinateReferenceSystem {
    properties: { name: string };
}

export interface LinkedCoordinateReferenceSystem extends CoordinateReferenceSystem {
    properties: { href: string; type: string };
}