turf-invariant

enforce expectations about inputs to turf

geojsonType(value, type, name)

Enforce expectations about types of GeoJSON objects for Turf.

Parameters

parameter	type	description
value	GeoJSON	any GeoJSON object
type	string	expected GeoJSON type
name	String	name of calling function

featureOf(feature, types, name)

Enforce expectations about types of Feature inputs for Turf. Internally this uses geojsonType to judge geometry types.

Parameters

parameter	type	description
feature	Feature	a feature with an expected geometry type
types	string	expected GeoJSON type
name	String	name of calling function

collectionOf(featurecollection, type, name)

Enforce expectations about types of FeatureCollection inputs for Turf. Internally this uses geojsonType to judge geometry types.

Parameters

parameter	type	description
featurecollection	FeatureCollection	a featurecollection for which features will be judged
type	string	expected GeoJSON type
name	String	name of calling function

Installation

Requires nodejs.

1$ npm install turf-invariant

Tests

1$ npm test